diff --git a/.gitignore b/.gitignore
index 51ffa861..011e6cf8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,6 +14,7 @@ $RECYCLE.BIN/
 
 # OSX
 .DS_Store
+.hugo_build.lock
 
 # Linux
 .directory
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 00000000..11681397
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "assets/lib/watermark"]
+	path = assets/lib/watermark
+	url = git@github.com:Lruihao/watermark.git
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d6d5656d..45f431db 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,10 +1,12 @@
 <!-- See https://github.com/Lruihao/FixIt/releases -->
 
-## v0.2.12
+## v0.2.12 [2022-1-8]
 
 - :tada: Feat: add PWA support
+- :tada: Feat: add Watermark support ([#16](https://github.com/Lruihao/FixIt/issues/16))
 - :bug: Fix: add scroll-margin to headerlink
 - :bug: Fix: Check if content is empty beforing passing
+- :bug: Fix: toc-auto display error ([#21](https://github.com/Lruihao/FixIt/issues/21))
 - :fire: Feat: remove lib smooth-scroll ([#1](https://github.com/Lruihao/FixIt/issues/1))
 - :lipstick: Style: change scroll-behavior to smooth
 - :lipstick: Style: page image margin
@@ -12,7 +14,8 @@
 - :wrench: Chore: minify card-link background image
 - :wrench: Chore(i18n): change some translations
 
-## v0.2.11
+[`v0.2.11...v0.2.12`](https://github.com/Lruihao/FixIt/compare/v0.2.11...v0.2.12)
+## v0.2.11 [2021-12-19]
 
 > :tada: The beginning of FixIt to fix the theme LoveIt.
 
diff --git a/README.md b/README.md
index e7e84ff8..973133b3 100644
--- a/README.md
+++ b/README.md
@@ -48,6 +48,7 @@ Thanks to the authors of following resources included in the theme:
 * [Gitalk](https://github.com/gitalk/gitalk)
 * [Valine](https://valine.js.org/)
 * [cookieconsent](https://github.com/osano/cookieconsent)
+* [Watermark](https://github.com/Lruihao/watermark)
 
 ## Author
 
diff --git a/assets/js/theme.min.js b/assets/js/theme.min.js
index 2413f9ed..c92fa804 100644
--- a/assets/js/theme.min.js
+++ b/assets/js/theme.min.js
@@ -1,3 +1,3 @@
-"use strict";function _objectDestructuringEmpty(a){if(null==a)throw new TypeError("Cannot destructure undefined")}function _createForOfIteratorHelper(a,b){var c="undefined"!=typeof Symbol&&a[Symbol.iterator]||a["@@iterator"];if(!c){if(Array.isArray(a)||(c=_unsupportedIterableToArray(a))||b&&a&&"number"==typeof a.length){c&&(a=c);var d=0,e=function(){};return{s:e,n:function n(){return d>=a.length?{done:!0}:{done:!1,value:a[d++]}},e:function e(a){throw a},f:e}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var f,g=!0,h=!1;return{s:function s(){c=c.call(a)},n:function n(){var a=c.next();return g=a.done,a},e:function e(a){h=!0,f=a},f:function f(){try{g||null==c.return||c.return()}finally{if(h)throw f}}}}function _toConsumableArray(a){return _arrayWithoutHoles(a)||_iterableToArray(a)||_unsupportedIterableToArray(a)||_nonIterableSpread()}function _nonIterableSpread(){throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}function _unsupportedIterableToArray(a,b){if(a){if("string"==typeof a)return _arrayLikeToArray(a,b);var c=Object.prototype.toString.call(a).slice(8,-1);return"Object"===c&&a.constructor&&(c=a.constructor.name),"Map"===c||"Set"===c?Array.from(a):"Arguments"===c||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(c)?_arrayLikeToArray(a,b):void 0}}function _iterableToArray(a){if("undefined"!=typeof Symbol&&null!=a[Symbol.iterator]||null!=a["@@iterator"])return Array.from(a)}function _arrayWithoutHoles(a){if(Array.isArray(a))return _arrayLikeToArray(a)}function _arrayLikeToArray(a,b){(null==b||b>a.length)&&(b=a.length);for(var c=0,d=Array(b);c<b;c++)d[c]=a[c];return d}function _classCallCheck(a,b){if(!(a instanceof b))throw new TypeError("Cannot call a class as a function")}function _defineProperties(a,b){for(var c,d=0;d<b.length;d++)c=b[d],c.enumerable=c.enumerable||!1,c.configurable=!0,"value"in c&&(c.writable=!0),Object.defineProperty(a,c.key,c)}function _createClass(a,b,c){return b&&_defineProperties(a.prototype,b),c&&_defineProperties(a,c),Object.defineProperty(a,"prototype",{writable:!1}),a}var Util=function(){function a(){_classCallCheck(this,a)}return _createClass(a,[{key:"forEach",value:function forEach(a,b){a=a||[];for(var c=0;c<a.length;c++)b(a[c])}},{key:"getScrollTop",value:function getScrollTop(){return document.documentElement&&document.documentElement.scrollTop||document.body.scrollTop}},{key:"isMobile",value:function isMobile(){return window.matchMedia("only screen and (max-width: 680px)").matches}},{key:"isTocStatic",value:function isTocStatic(){return window.matchMedia("only screen and (max-width: 960px)").matches}},{key:"animateCSS",value:function animateCSS(a,b,c,d){var e;Array.isArray(b)||(b=[b]),(e=a.classList).add.apply(e,["animated"].concat(_toConsumableArray(b)));var f=function(){var c;(c=a.classList).remove.apply(c,["animated"].concat(_toConsumableArray(b))),a.removeEventListener("animationend",f),"function"==typeof d&&d()};c||a.addEventListener("animationend",f,!1)}}]),a}(),Theme=function(){function a(){_classCallCheck(this,a),this.config=window.config,this.data=this.config.data,this.isDark="dark"===document.body.getAttribute("theme"),this.util=new Util,this.newScrollTop=this.util.getScrollTop(),this.oldScrollTop=this.newScrollTop,this.scrollEventSet=new Set,this.resizeEventSet=new Set,this.switchThemeEventSet=new Set,this.clickMaskEventSet=new Set,window.objectFitImages&&objectFitImages()}return _createClass(a,[{key:"initSVGIcon",value:function initSVGIcon(){this.util.forEach(document.querySelectorAll("[data-svg-src]"),function(a){fetch(a.getAttribute("data-svg-src")).then(function(a){return a.text()}).then(function(b){var c=document.createElement("div");c.insertAdjacentHTML("afterbegin",b);var d=c.firstChild;d.setAttribute("data-svg-src",a.getAttribute("data-svg-src")),d.classList.add("icon");var e=d.getElementsByTagName("title");e.length&&d.removeChild(e[0]),a.parentElement.replaceChild(d,a)}).catch(function(a){console.error(a)})})}},{key:"initTwemoji",value:function initTwemoji(){this.config.twemoji&&twemoji.parse(document.body)}},{key:"initMenuMobile",value:function initMenuMobile(){var a=document.getElementById("menu-toggle-mobile"),b=document.getElementById("menu-mobile");a.addEventListener("click",function(){document.body.classList.toggle("blur"),a.classList.toggle("active"),b.classList.toggle("active")},!1),this._menuMobileOnClickMask=this._menuMobileOnClickMask||function(){a.classList.remove("active"),b.classList.remove("active")},this.clickMaskEventSet.add(this._menuMobileOnClickMask)}},{key:"initSwitchTheme",value:function initSwitchTheme(){var a=this;this.util.forEach(document.getElementsByClassName("theme-switch"),function(b){b.addEventListener("click",function(){"dark"===document.body.getAttribute("theme")?document.body.setAttribute("theme","light"):document.body.setAttribute("theme","dark"),a.isDark=!a.isDark,window.localStorage&&localStorage.setItem("theme",a.isDark?"dark":"light");var b,c=_createForOfIteratorHelper(a.switchThemeEventSet);try{for(c.s();!(b=c.n()).done;){var d=b.value;d()}}catch(a){c.e(a)}finally{c.f()}},!1)})}},{key:"initSearch",value:function initSearch(){var a=this,b=this.config.search,c=this.util.isMobile();if(!(!b||c&&this._searchMobileOnce||!c&&this._searchDesktopOnce)){var d=b.maxResultLength?b.maxResultLength:10,e=b.snippetLength?b.snippetLength:50,f=b.highlightTag?b.highlightTag:"em",g=c?"mobile":"desktop",h=document.getElementById("header-".concat(g)),i=document.getElementById("search-input-".concat(g)),j=document.getElementById("search-toggle-".concat(g)),k=document.getElementById("search-loading-".concat(g)),l=document.getElementById("search-clear-".concat(g));c?(this._searchMobileOnce=!0,i.addEventListener("focus",function(){document.body.classList.add("blur"),h.classList.add("open")},!1),document.getElementById("search-cancel-mobile").addEventListener("click",function(){h.classList.remove("open"),document.body.classList.remove("blur"),document.getElementById("menu-toggle-mobile").classList.remove("active"),document.getElementById("menu-mobile").classList.remove("active"),k.style.display="none",l.style.display="none",a._searchMobile&&a._searchMobile.autocomplete.setVal("")},!1),l.addEventListener("click",function(){l.style.display="none",a._searchMobile&&a._searchMobile.autocomplete.setVal("")},!1),this._searchMobileOnClickMask=this._searchMobileOnClickMask||function(){h.classList.remove("open"),k.style.display="none",l.style.display="none",a._searchMobile&&a._searchMobile.autocomplete.setVal("")},this.clickMaskEventSet.add(this._searchMobileOnClickMask)):(this._searchDesktopOnce=!0,j.addEventListener("click",function(){document.body.classList.add("blur"),h.classList.add("open"),i.focus()},!1),l.addEventListener("click",function(){l.style.display="none",a._searchDesktop&&a._searchDesktop.autocomplete.setVal("")},!1),this._searchDesktopOnClickMask=this._searchDesktopOnClickMask||function(){h.classList.remove("open"),k.style.display="none",l.style.display="none",a._searchDesktop&&a._searchDesktop.autocomplete.setVal("")},this.clickMaskEventSet.add(this._searchDesktopOnClickMask)),i.addEventListener("input",function(){l.style.display=""===i.value?"none":"inline"},!1);var m=function(){var h=autocomplete("#search-input-".concat(g),{hint:!1,autoselect:!0,dropdownMenuContainer:"#search-dropdown-".concat(g),clearOnSelected:!0,cssClasses:{noPrefix:!0},debug:!0},{name:"search",source:function source(c,g){k.style.display="inline",l.style.display="none";var h=function(a){k.style.display="none",l.style.display="inline",g(a)};if("lunr"===b.type){var i=function(){lunr.queryHandler&&(c=lunr.queryHandler(c));var b={};return a._index.search(c).forEach(function(c){var d=c.ref,g=c.matchData.metadata,h=a._indexData[d],i=h.uri,j=h.title,k=h.content;if(!b[i]){var l=0;Object.values(g).forEach(function(a){var b=a.content;if(b){var c=b.position[0][0];(c<l||0===l)&&(l=c)}}),l-=e/5,0<l?(l+=k.substr(l,20).lastIndexOf(" ")+1,k="..."+k.substr(l,e)):k=k.substr(0,e),Object.keys(g).forEach(function(a){j=j.replace(new RegExp("(".concat(a,")"),"gi"),"<".concat(f,">$1</").concat(f,">")),k=k.replace(new RegExp("(".concat(a,")"),"gi"),"<".concat(f,">$1</").concat(f,">"))}),b[i]={uri:i,title:j,date:h.date,context:k}}}),Object.values(b).slice(0,d)};a._index?h(i()):fetch(b.lunrIndexURL).then(function(a){return a.json()}).then(function(c){var d={};a._index=lunr(function(){var a=this;b.lunrLanguageCode&&this.use(lunr[b.lunrLanguageCode]),this.ref("objectID"),this.field("title",{boost:50}),this.field("tags",{boost:20}),this.field("categories",{boost:20}),this.field("content",{boost:10}),this.metadataWhitelist=["position"],c.forEach(function(b){d[b.objectID]=b,a.add(b)})}),a._indexData=d,h(i())}).catch(function(a){console.error(a),h([])})}else"algolia"===b.type&&(a._algoliaIndex=a._algoliaIndex||algoliasearch(b.algoliaAppID,b.algoliaSearchKey).initIndex(b.algoliaIndex),a._algoliaIndex.search(c,{offset:0,length:8*d,attributesToHighlight:["title"],attributesToSnippet:["content:".concat(e)],highlightPreTag:"<".concat(f,">"),highlightPostTag:"</".concat(f,">")}).then(function(a){var b=a.hits,c={};b.forEach(function(a){var b=a.uri,d=a.date,e=a._highlightResult.title,f=a._snippetResult.content;c[b]&&c[b].context.length>f.value||(c[b]={uri:b,title:e.value,date:d,context:f.value})}),h(Object.values(c).slice(0,d))}).catch(function(a){console.error(a),h([])}))},templates:{suggestion:function suggestion(a){var b=a.title,c=a.date,d=a.context;return"<div><span class=\"suggestion-title\">".concat(b,"</span><span class=\"suggestion-date\">").concat(c,"</span></div><div class=\"suggestion-context\">").concat(d,"</div>")},empty:function empty(a){var c=a.query;return"<div class=\"search-empty\">".concat(b.noResultsFound,": <span class=\"search-query\">\"").concat(c,"\"</span></div>")},footer:function footer(a){_objectDestructuringEmpty(a);var c="algolia"===b.type?{searchType:"algolia",icon:"<i class=\"fab fa-algolia fa-fw\"></i>",href:"https://www.algolia.com/"}:{searchType:"Lunr.js",icon:"",href:"https://lunrjs.com/"},d=c.searchType,e=c.icon,f=c.href;return"<div class=\"search-footer\">Search by <a href=\"".concat(f,"\" rel=\"noopener noreffer\" target=\"_blank\">").concat(e," ").concat(d,"</a></div>")}}});h.on("autocomplete:selected",function(a,b){window.location.assign(b.uri)}),c?a._searchMobile=h:a._searchDesktop=h};if(b.lunrSegmentitURL&&!document.getElementById("lunr-segmentit")){var n=document.createElement("script");n.id="lunr-segmentit",n.type="text/javascript",n.src=b.lunrSegmentitURL,n.async=!0,n.readyState?n.onreadystatechange=function(){("loaded"==n.readyState||"complete"==n.readyState)&&(n.onreadystatechange=null,m())}:n.onload=function(){m()},document.body.appendChild(n)}else m()}}},{key:"initDetails",value:function initDetails(){this.util.forEach(document.getElementsByClassName("details"),function(a){var b=a.getElementsByClassName("details-summary")[0];b.addEventListener("click",function(){a.classList.toggle("open")},!1)})}},{key:"initLightGallery",value:function initLightGallery(){this.config.lightGallery&&lightGallery(document.getElementById("content"),this.config.lightGallery)}},{key:"initHighlight",value:function initHighlight(){var a=this;this.util.forEach(document.querySelectorAll(".highlight > pre.chroma"),function(a){var b=document.createElement("div");b.className=a.className;var c=document.createElement("table");b.appendChild(c);var d=document.createElement("tbody");c.appendChild(d);var e=document.createElement("tr");d.appendChild(e);var f=document.createElement("td");e.appendChild(f),a.parentElement.replaceChild(b,a),f.appendChild(a)}),this.util.forEach(document.querySelectorAll(".highlight > .chroma"),function(b){var c=b.querySelectorAll("pre.chroma > code");if(c.length){var d=c[c.length-1],e=document.createElement("div");e.className="code-header "+d.className.toLowerCase();var f=document.createElement("span");f.classList.add("code-title"),f.insertAdjacentHTML("afterbegin","<i class=\"arrow fas fa-chevron-right fa-fw\"></i>"),f.addEventListener("click",function(){b.classList.toggle("open")},!1),e.appendChild(f);var g=document.createElement("span");g.insertAdjacentHTML("afterbegin","<i class=\"fas fa-ellipsis-h fa-fw\"></i>"),g.classList.add("ellipses"),g.addEventListener("click",function(){b.classList.add("open")},!1),e.appendChild(g);var h=document.createElement("span");h.insertAdjacentHTML("afterbegin","<i class=\"far fa-copy fa-fw\"></i>"),h.classList.add("copy");var i=d.innerText;if((0>a.config.code.maxShownLines||i.split("\n").length<a.config.code.maxShownLines+2)&&b.classList.add("open"),a.config.code.copyTitle){h.setAttribute("data-clipboard-text",i),h.title=a.config.code.copyTitle;var j=new ClipboardJS(h);j.on("success",function(){a.util.animateCSS(d,"flash")}),e.appendChild(h)}b.insertBefore(e,b.firstChild)}})}},{key:"initTable",value:function initTable(){this.util.forEach(document.querySelectorAll(".content table"),function(a){var b=document.createElement("div");b.className="table-wrapper",a.parentElement.replaceChild(b,a),b.appendChild(a)})}},{key:"initHeaderLink",value:function initHeaderLink(){for(var a=1;6>=a;a++)this.util.forEach(document.querySelectorAll(".single .content > h"+a),function(a){a.classList.add("headerLink"),a.insertAdjacentHTML("afterbegin","<a href=\"#".concat(a.id,"\" class=\"header-mark\"></a>"))})}},{key:"initToc",value:function initToc(){var a=this,b=document.getElementById("TableOfContents");if(null!==b)if(document.getElementById("toc-static").getAttribute("kept")||this.util.isTocStatic()){var o=document.getElementById("toc-content-static");b.parentElement!==o&&(b.parentElement.removeChild(b),o.appendChild(b)),this._tocOnScroll&&this.scrollEventSet.delete(this._tocOnScroll)}else{var p=document.getElementById("toc-content-auto");b.parentElement!==p&&(b.parentElement.removeChild(b),p.appendChild(b));var c=document.getElementById("toc-auto"),d=document.getElementsByClassName("page")[0],e=d.getBoundingClientRect();c.style.left="".concat(e.left+e.width+20,"px"),c.style.maxWidth="".concat(d.getBoundingClientRect().left-20,"px"),c.style.visibility="visible";var f=b.querySelectorAll("a:first-child"),g=b.getElementsByTagName("li"),h=document.getElementsByClassName("headerLink"),j="normal"!==document.body.getAttribute("header-desktop"),k=document.getElementById("header-desktop").offsetHeight,l=20+(j?k:0),m=c.offsetTop,n=m-l+(j?0:k);this._tocOnScroll=this._tocOnScroll||function(){var d=document.getElementById("post-footer").offsetTop,e=d-c.getBoundingClientRect().height,o=e-l+(j?0:k);a.newScrollTop<n?(c.style.position="absolute",c.style.top="".concat(m,"px")):a.newScrollTop>o?(c.style.position="absolute",c.style.top="".concat(e,"px")):(c.style.position="fixed",c.style.top="".concat(l,"px")),a.util.forEach(f,function(a){a.classList.remove("active")}),a.util.forEach(g,function(a){a.classList.remove("has-active")});for(var p=20+(j?k:0),q=h.length-1,r=0;r<h.length-1;r++){var s=h[r].getBoundingClientRect().top,t=h[r+1].getBoundingClientRect().top;if(0==r&&s>p||s<=p&&t>p){q=r;break}}if(-1!==q){f[q].classList.add("active");for(var u=f[q].parentElement;u!==b;)u.classList.add("has-active"),u=u.parentElement.parentElement}},this._tocOnScroll(),this.scrollEventSet.add(this._tocOnScroll)}}},{key:"initMath",value:function initMath(){this.config.math&&renderMathInElement(document.body,this.config.math)}},{key:"initMermaid",value:function initMermaid(){var a=this,b=document.getElementsByClassName("mermaid");b.length&&(mermaid.initialize({startOnLoad:!1,theme:"null"}),this.util.forEach(b,function(b){mermaid.mermaidAPI.render("svg-"+b.id,a.data[b.id],function(a){b.insertAdjacentHTML("afterbegin",a)},b)}))}},{key:"initEcharts",value:function initEcharts(){var a=this;this._echartsOnSwitchTheme=this._echartsOnSwitchTheme||function(){a._echartsArr=a._echartsArr||[];for(var b=0;b<a._echartsArr.length;b++)a._echartsArr[b].dispose();a._echartsArr=[],a.util.forEach(document.getElementsByClassName("echarts"),function(b){var c=echarts.init(b,a.isDark?"dark":"macarons",{renderer:"svg"});c.setOption(JSON.parse(a.data[b.id])),a._echartsArr.push(c)})},this.switchThemeEventSet.add(this._echartsOnSwitchTheme),this._echartsOnSwitchTheme(),this._echartsOnResize=this._echartsOnResize||function(){for(var b=0;b<a._echartsArr.length;b++)a._echartsArr[b].resize()},this.resizeEventSet.add(this._echartsOnResize)}},{key:"initMapbox",value:function initMapbox(){var a=this;this.config.mapbox&&(mapboxgl.accessToken=this.config.mapbox.accessToken,mapboxgl.setRTLTextPlugin(this.config.mapbox.RTLTextPlugin),this._mapboxArr=this._mapboxArr||[],this.util.forEach(document.getElementsByClassName("mapbox"),function(b){var c=a.data[b.id],d=c.lng,e=c.lat,f=c.zoom,g=c.lightStyle,h=c.darkStyle,i=c.marked,j=c.navigation,k=c.geolocate,l=c.scale,m=c.fullscreen,n=new mapboxgl.Map({container:b,center:[d,e],zoom:f,minZoom:.2,style:a.isDark?h:g,attributionControl:!1});i&&new mapboxgl.Marker().setLngLat([d,e]).addTo(n),j&&n.addControl(new mapboxgl.NavigationControl,"bottom-right"),k&&n.addControl(new mapboxgl.GeolocateControl({positionOptions:{enableHighAccuracy:!0},showUserLocation:!0,trackUserLocation:!0}),"bottom-right"),l&&n.addControl(new mapboxgl.ScaleControl),m&&n.addControl(new mapboxgl.FullscreenControl),n.addControl(new MapboxLanguage),a._mapboxArr.push(n)}),this._mapboxOnSwitchTheme=this._mapboxOnSwitchTheme||function(){a.util.forEach(a._mapboxArr,function(b){var c=b.getContainer(),d=a.data[c.id],e=d.lightStyle,f=d.darkStyle;b.setStyle(a.isDark?f:e),b.addControl(new MapboxLanguage)})},this.switchThemeEventSet.add(this._mapboxOnSwitchTheme))}},{key:"initTypeit",value:function initTypeit(){var a=this;if(this.config.typeit){var b=this.config.typeit,c=b.speed?b.speed:100,d=b.cursorSpeed?b.cursorSpeed:1e3,e=b.cursorChar?b.cursorChar:"|";Object.values(b.data).forEach(function(f){var g=function(h){var i=f[h],j=new TypeIt("#".concat(i),{strings:a.data[i],speed:c,lifeLike:!0,cursorSpeed:d,cursorChar:e,waitUntilVisible:!0,afterComplete:function afterComplete(){return h===f.length-1?void(0<=b.duration&&window.setTimeout(function(){j.destroy()},b.duration)):void(j.destroy(),g(h+1))}}).go()};g(0)})}}},{key:"initComment",value:function initComment(){var a=this;if(this.config.comment){if(this.config.comment.gitalk){this.config.comment.gitalk.body=decodeURI(window.location.href);var d=new Gitalk(this.config.comment.gitalk);d.render("gitalk")}if(this.config.comment.valine&&new Valine(this.config.comment.valine),this.config.comment.utterances){var b=this.config.comment.utterances,c=document.createElement("script");c.src="https://utteranc.es/client.js",c.type="text/javascript",c.setAttribute("repo",b.repo),c.setAttribute("issue-term",b.issueTerm),b.label&&c.setAttribute("label",b.label),c.setAttribute("theme",this.isDark?b.darkTheme:b.lightTheme),c.crossOrigin="anonymous",c.async=!0,document.getElementById("utterances").appendChild(c),this._utterancesOnSwitchTheme=this._utterancesOnSwitchTheme||function(){var c={type:"set-theme",theme:a.isDark?b.darkTheme:b.lightTheme},d=document.querySelector(".utterances-frame");d.contentWindow.postMessage(c,"https://utteranc.es")},this.switchThemeEventSet.add(this._utterancesOnSwitchTheme)}}}},{key:"initCookieconsent",value:function initCookieconsent(){this.config.cookieconsent&&cookieconsent.initialise(this.config.cookieconsent)}},{key:"onScroll",value:function onScroll(){var a=this,b=[];if("auto"===document.body.getAttribute("header-desktop")&&b.push(document.getElementById("header-desktop")),"auto"===document.body.getAttribute("header-mobile")&&b.push(document.getElementById("header-mobile")),document.getElementById("comments")){var e=document.getElementById("view-comments");e.href="#comments",e.style.display="block"}var c=document.getElementById("fixed-buttons"),d=20;window.addEventListener("scroll",function(){a.newScrollTop=a.util.getScrollTop();var e=a.newScrollTop-a.oldScrollTop,f=a.util.isMobile();a.util.forEach(b,function(b){e>d?(b.classList.remove("fadeInDown"),a.util.animateCSS(b,["fadeOutUp","faster"],!0)):e<-d&&(b.classList.remove("fadeOutUp"),a.util.animateCSS(b,["fadeInDown","faster"],!0))}),a.newScrollTop>100?f&&e>d?(c.classList.remove("fadeIn"),a.util.animateCSS(c,["fadeOut","faster"],!0)):(!f||e<-d)&&(c.style.display="block",c.classList.remove("fadeOut"),a.util.animateCSS(c,["fadeIn","faster"],!0)):(!f&&(c.classList.remove("fadeIn"),a.util.animateCSS(c,["fadeOut","faster"],!0)),c.style.display="none");var g,h=_createForOfIteratorHelper(a.scrollEventSet);try{for(h.s();!(g=h.n()).done;){var i=g.value;i()}}catch(a){h.e(a)}finally{h.f()}a.oldScrollTop=a.newScrollTop},!1)}},{key:"onResize",value:function onResize(){var a=this;window.addEventListener("resize",function(){a._resizeTimeout||(a._resizeTimeout=window.setTimeout(function(){a._resizeTimeout=null;var b,c=_createForOfIteratorHelper(a.resizeEventSet);try{for(c.s();!(b=c.n()).done;){var d=b.value;d()}}catch(a){c.e(a)}finally{c.f()}a.initToc(),a.initMermaid(),a.initSearch()},100))},!1)}},{key:"onClickMask",value:function onClickMask(){var a=this;document.getElementById("mask").addEventListener("click",function(){var b,c=_createForOfIteratorHelper(a.clickMaskEventSet);try{for(c.s();!(b=c.n()).done;){var d=b.value;d()}}catch(a){c.e(a)}finally{c.f()}document.body.classList.remove("blur")},!1)}},{key:"init",value:function init(){var a=this;try{this.initSVGIcon(),this.initTwemoji(),this.initMenuMobile(),this.initSwitchTheme(),this.initSearch(),this.initDetails(),this.initLightGallery(),this.initHighlight(),this.initTable(),this.initHeaderLink(),this.initMath(),this.initMermaid(),this.initEcharts(),this.initTypeit(),this.initMapbox(),this.initCookieconsent()}catch(a){console.error(a)}window.setTimeout(function(){a.initToc(),a.initComment(),a.onScroll(),a.onResize(),a.onClickMask()},100)}}]),a}(),themeInit=function(){var a=new Theme;a.init()};"loading"===document.readyState?document.addEventListener("DOMContentLoaded",themeInit,!1):themeInit();
+"use strict";function _objectDestructuringEmpty(a){if(null==a)throw new TypeError("Cannot destructure undefined")}function _createForOfIteratorHelper(a,b){var c="undefined"!=typeof Symbol&&a[Symbol.iterator]||a["@@iterator"];if(!c){if(Array.isArray(a)||(c=_unsupportedIterableToArray(a))||b&&a&&"number"==typeof a.length){c&&(a=c);var d=0,e=function(){};return{s:e,n:function n(){return d>=a.length?{done:!0}:{done:!1,value:a[d++]}},e:function e(a){throw a},f:e}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var f,g=!0,h=!1;return{s:function s(){c=c.call(a)},n:function n(){var a=c.next();return g=a.done,a},e:function e(a){h=!0,f=a},f:function f(){try{g||null==c.return||c.return()}finally{if(h)throw f}}}}function _toConsumableArray(a){return _arrayWithoutHoles(a)||_iterableToArray(a)||_unsupportedIterableToArray(a)||_nonIterableSpread()}function _nonIterableSpread(){throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}function _unsupportedIterableToArray(a,b){if(a){if("string"==typeof a)return _arrayLikeToArray(a,b);var c=Object.prototype.toString.call(a).slice(8,-1);return"Object"===c&&a.constructor&&(c=a.constructor.name),"Map"===c||"Set"===c?Array.from(a):"Arguments"===c||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(c)?_arrayLikeToArray(a,b):void 0}}function _iterableToArray(a){if("undefined"!=typeof Symbol&&null!=a[Symbol.iterator]||null!=a["@@iterator"])return Array.from(a)}function _arrayWithoutHoles(a){if(Array.isArray(a))return _arrayLikeToArray(a)}function _arrayLikeToArray(a,b){(null==b||b>a.length)&&(b=a.length);for(var c=0,d=Array(b);c<b;c++)d[c]=a[c];return d}function _classCallCheck(a,b){if(!(a instanceof b))throw new TypeError("Cannot call a class as a function")}function _defineProperties(a,b){for(var c,d=0;d<b.length;d++)c=b[d],c.enumerable=c.enumerable||!1,c.configurable=!0,"value"in c&&(c.writable=!0),Object.defineProperty(a,c.key,c)}function _createClass(a,b,c){return b&&_defineProperties(a.prototype,b),c&&_defineProperties(a,c),Object.defineProperty(a,"prototype",{writable:!1}),a}var Util=function(){function a(){_classCallCheck(this,a)}return _createClass(a,[{key:"forEach",value:function forEach(a,b){a=a||[];for(var c=0;c<a.length;c++)b(a[c])}},{key:"getScrollTop",value:function getScrollTop(){return document.documentElement&&document.documentElement.scrollTop||document.body.scrollTop}},{key:"isMobile",value:function isMobile(){return window.matchMedia("only screen and (max-width: 680px)").matches}},{key:"isTocStatic",value:function isTocStatic(){return window.matchMedia("only screen and (max-width: 960px)").matches}},{key:"animateCSS",value:function animateCSS(a,b,c,d){var e;Array.isArray(b)||(b=[b]),(e=a.classList).add.apply(e,["animated"].concat(_toConsumableArray(b)));var 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d=c.firstChild;d.setAttribute("data-svg-src",a.getAttribute("data-svg-src")),d.classList.add("icon");var e=d.getElementsByTagName("title");e.length&&d.removeChild(e[0]),a.parentElement.replaceChild(d,a)}).catch(function(a){console.error(a)})})}},{key:"initTwemoji",value:function initTwemoji(){this.config.twemoji&&twemoji.parse(document.body)}},{key:"initMenuMobile",value:function initMenuMobile(){var a=document.getElementById("menu-toggle-mobile"),b=document.getElementById("menu-mobile");a.addEventListener("click",function(){document.body.classList.toggle("blur"),a.classList.toggle("active"),b.classList.toggle("active")},!1),this._menuMobileOnClickMask=this._menuMobileOnClickMask||function(){a.classList.remove("active"),b.classList.remove("active")},this.clickMaskEventSet.add(this._menuMobileOnClickMask)}},{key:"initSwitchTheme",value:function initSwitchTheme(){var a=this;this.util.forEach(document.getElementsByClassName("theme-switch"),function(b){b.addEventListener("click",function(){"dark"===document.body.getAttribute("theme")?document.body.setAttribute("theme","light"):document.body.setAttribute("theme","dark"),a.isDark=!a.isDark,window.localStorage&&localStorage.setItem("theme",a.isDark?"dark":"light");var b,c=_createForOfIteratorHelper(a.switchThemeEventSet);try{for(c.s();!(b=c.n()).done;){var d=b.value;d()}}catch(a){c.e(a)}finally{c.f()}},!1)})}},{key:"initSearch",value:function initSearch(){var a=this,b=this.config.search,c=this.util.isMobile();if(!(!b||c&&this._searchMobileOnce||!c&&this._searchDesktopOnce)){var d=b.maxResultLength?b.maxResultLength:10,e=b.snippetLength?b.snippetLength:50,f=b.highlightTag?b.highlightTag:"em",g=c?"mobile":"desktop",h=document.getElementById("header-".concat(g)),i=document.getElementById("search-input-".concat(g)),j=document.getElementById("search-toggle-".concat(g)),k=document.getElementById("search-loading-".concat(g)),l=document.getElementById("search-clear-".concat(g));c?(this._searchMobileOnce=!0,i.addEventListener("focus",function(){document.body.classList.add("blur"),h.classList.add("open")},!1),document.getElementById("search-cancel-mobile").addEventListener("click",function(){h.classList.remove("open"),document.body.classList.remove("blur"),document.getElementById("menu-toggle-mobile").classList.remove("active"),document.getElementById("menu-mobile").classList.remove("active"),k.style.display="none",l.style.display="none",a._searchMobile&&a._searchMobile.autocomplete.setVal("")},!1),l.addEventListener("click",function(){l.style.display="none",a._searchMobile&&a._searchMobile.autocomplete.setVal("")},!1),this._searchMobileOnClickMask=this._searchMobileOnClickMask||function(){h.classList.remove("open"),k.style.display="none",l.style.display="none",a._searchMobile&&a._searchMobile.autocomplete.setVal("")},this.clickMaskEventSet.add(this._searchMobileOnClickMask)):(this._searchDesktopOnce=!0,j.addEventListener("click",function(){document.body.classList.add("blur"),h.classList.add("open"),i.focus()},!1),l.addEventListener("click",function(){l.style.display="none",a._searchDesktop&&a._searchDesktop.autocomplete.setVal("")},!1),this._searchDesktopOnClickMask=this._searchDesktopOnClickMask||function(){h.classList.remove("open"),k.style.display="none",l.style.display="none",a._searchDesktop&&a._searchDesktop.autocomplete.setVal("")},this.clickMaskEventSet.add(this._searchDesktopOnClickMask)),i.addEventListener("input",function(){l.style.display=""===i.value?"none":"inline"},!1);var m=function(){var h=autocomplete("#search-input-".concat(g),{hint:!1,autoselect:!0,dropdownMenuContainer:"#search-dropdown-".concat(g),clearOnSelected:!0,cssClasses:{noPrefix:!0},debug:!0},{name:"search",source:function source(c,g){k.style.display="inline",l.style.display="none";var h=function(a){k.style.display="none",l.style.display="inline",g(a)};if("lunr"===b.type){var i=function(){lunr.queryHandler&&(c=lunr.queryHandler(c));var b={};return a._index.search(c).forEach(function(c){var d=c.ref,g=c.matchData.metadata,h=a._indexData[d],i=h.uri,j=h.title,k=h.content;if(!b[i]){var l=0;Object.values(g).forEach(function(a){var b=a.content;if(b){var c=b.position[0][0];(c<l||0===l)&&(l=c)}}),l-=e/5,0<l?(l+=k.substr(l,20).lastIndexOf(" ")+1,k="..."+k.substr(l,e)):k=k.substr(0,e),Object.keys(g).forEach(function(a){j=j.replace(new RegExp("(".concat(a,")"),"gi"),"<".concat(f,">$1</").concat(f,">")),k=k.replace(new RegExp("(".concat(a,")"),"gi"),"<".concat(f,">$1</").concat(f,">"))}),b[i]={uri:i,title:j,date:h.date,context:k}}}),Object.values(b).slice(0,d)};a._index?h(i()):fetch(b.lunrIndexURL).then(function(a){return a.json()}).then(function(c){var d={};a._index=lunr(function(){var a=this;b.lunrLanguageCode&&this.use(lunr[b.lunrLanguageCode]),this.ref("objectID"),this.field("title",{boost:50}),this.field("tags",{boost:20}),this.field("categories",{boost:20}),this.field("content",{boost:10}),this.metadataWhitelist=["position"],c.forEach(function(b){d[b.objectID]=b,a.add(b)})}),a._indexData=d,h(i())}).catch(function(a){console.error(a),h([])})}else"algolia"===b.type&&(a._algoliaIndex=a._algoliaIndex||algoliasearch(b.algoliaAppID,b.algoliaSearchKey).initIndex(b.algoliaIndex),a._algoliaIndex.search(c,{offset:0,length:8*d,attributesToHighlight:["title"],attributesToSnippet:["content:".concat(e)],highlightPreTag:"<".concat(f,">"),highlightPostTag:"</".concat(f,">")}).then(function(a){var b=a.hits,c={};b.forEach(function(a){var b=a.uri,d=a.date,e=a._highlightResult.title,f=a._snippetResult.content;c[b]&&c[b].context.length>f.value||(c[b]={uri:b,title:e.value,date:d,context:f.value})}),h(Object.values(c).slice(0,d))}).catch(function(a){console.error(a),h([])}))},templates:{suggestion:function suggestion(a){var b=a.title,c=a.date,d=a.context;return"<div><span class=\"suggestion-title\">".concat(b,"</span><span class=\"suggestion-date\">").concat(c,"</span></div><div class=\"suggestion-context\">").concat(d,"</div>")},empty:function empty(a){var c=a.query;return"<div class=\"search-empty\">".concat(b.noResultsFound,": <span class=\"search-query\">\"").concat(c,"\"</span></div>")},footer:function footer(a){_objectDestructuringEmpty(a);var c="algolia"===b.type?{searchType:"algolia",icon:"<i class=\"fab fa-algolia fa-fw\"></i>",href:"https://www.algolia.com/"}:{searchType:"Lunr.js",icon:"",href:"https://lunrjs.com/"},d=c.searchType,e=c.icon,f=c.href;return"<div class=\"search-footer\">Search by <a href=\"".concat(f,"\" rel=\"noopener noreffer\" target=\"_blank\">").concat(e," ").concat(d,"</a></div>")}}});h.on("autocomplete:selected",function(a,b){window.location.assign(b.uri)}),c?a._searchMobile=h:a._searchDesktop=h};if(b.lunrSegmentitURL&&!document.getElementById("lunr-segmentit")){var n=document.createElement("script");n.id="lunr-segmentit",n.type="text/javascript",n.src=b.lunrSegmentitURL,n.async=!0,n.readyState?n.onreadystatechange=function(){("loaded"==n.readyState||"complete"==n.readyState)&&(n.onreadystatechange=null,m())}:n.onload=function(){m()},document.body.appendChild(n)}else m()}}},{key:"initDetails",value:function initDetails(){this.util.forEach(document.getElementsByClassName("details"),function(a){var b=a.getElementsByClassName("details-summary")[0];b.addEventListener("click",function(){a.classList.toggle("open")},!1)})}},{key:"initLightGallery",value:function initLightGallery(){this.config.lightGallery&&lightGallery(document.getElementById("content"),this.config.lightGallery)}},{key:"initHighlight",value:function initHighlight(){var a=this;this.util.forEach(document.querySelectorAll(".highlight > pre.chroma"),function(a){var b=document.createElement("div");b.className=a.className;var c=document.createElement("table");b.appendChild(c);var d=document.createElement("tbody");c.appendChild(d);var e=document.createElement("tr");d.appendChild(e);var f=document.createElement("td");e.appendChild(f),a.parentElement.replaceChild(b,a),f.appendChild(a)}),this.util.forEach(document.querySelectorAll(".highlight > .chroma"),function(b){var c=b.querySelectorAll("pre.chroma > code");if(c.length){var d=c[c.length-1],e=document.createElement("div");e.className="code-header "+d.className.toLowerCase();var f=document.createElement("span");f.classList.add("code-title"),f.insertAdjacentHTML("afterbegin","<i class=\"arrow fas fa-chevron-right 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b=document.createElement("div");b.className="table-wrapper",a.parentElement.replaceChild(b,a),b.appendChild(a)})}},{key:"initHeaderLink",value:function initHeaderLink(){for(var a=1;6>=a;a++)this.util.forEach(document.querySelectorAll(".single .content > h"+a),function(a){a.classList.add("headerLink"),a.insertAdjacentHTML("afterbegin","<a href=\"#".concat(a.id,"\" class=\"header-mark\"></a>"))})}},{key:"initToc",value:function initToc(){var a=this,b=document.getElementById("TableOfContents");if(null!==b){var c=document.getElementById("toc-auto");if(""===b.innerText)return void(c.style.display="none");if(document.getElementById("toc-static").getAttribute("kept")||this.util.isTocStatic()){var o=document.getElementById("toc-content-static");b.parentElement!==o&&(b.parentElement.removeChild(b),o.appendChild(b)),this._tocOnScroll&&this.scrollEventSet.delete(this._tocOnScroll)}else{var p=document.getElementById("toc-content-auto");b.parentElement!==p&&(b.parentElement.removeChild(b),p.appendChild(b));var d=document.getElementsByClassName("page")[0],e=d.getBoundingClientRect();c.style.left="".concat(e.left+e.width+20,"px"),c.style.maxWidth="".concat(d.getBoundingClientRect().left-20,"px"),c.style.visibility="visible";var f=b.querySelectorAll("a:first-child"),g=b.getElementsByTagName("li"),h=document.getElementsByClassName("headerLink"),j="normal"!==document.body.getAttribute("header-desktop"),k=document.getElementById("header-desktop").offsetHeight,l=20+(j?k:0),m=c.offsetTop,n=m-l+(j?0:k);this._tocOnScroll=this._tocOnScroll||function(){var d=document.getElementById("post-footer").offsetTop,e=d-c.getBoundingClientRect().height,o=e-l+(j?0:k);a.newScrollTop<n?(c.style.position="absolute",c.style.top="".concat(m,"px")):a.newScrollTop>o?(c.style.position="absolute",c.style.top="".concat(e,"px")):(c.style.position="fixed",c.style.top="".concat(l,"px")),a.util.forEach(f,function(a){a.classList.remove("active")}),a.util.forEach(g,function(a){a.classList.remove("has-active")});for(var p=20+(j?k:0),q=h.length-1,r=0;r<h.length-1;r++){var s=h[r].getBoundingClientRect().top,t=h[r+1].getBoundingClientRect().top;if(0==r&&s>p||s<=p&&t>p){q=r;break}}if(-1!==q){f[q].classList.add("active");for(var u=f[q].parentElement;u!==b;)u.classList.add("has-active"),u=u.parentElement.parentElement}},this._tocOnScroll(),this.scrollEventSet.add(this._tocOnScroll)}}}},{key:"initMath",value:function initMath(){this.config.math&&renderMathInElement(document.body,this.config.math)}},{key:"initMermaid",value:function initMermaid(){var a=this,b=document.getElementsByClassName("mermaid");b.length&&(mermaid.initialize({startOnLoad:!1,theme:"null"}),this.util.forEach(b,function(b){mermaid.mermaidAPI.render("svg-"+b.id,a.data[b.id],function(a){b.insertAdjacentHTML("afterbegin",a)},b)}))}},{key:"initEcharts",value:function initEcharts(){var a=this;this._echartsOnSwitchTheme=this._echartsOnSwitchTheme||function(){a._echartsArr=a._echartsArr||[];for(var b=0;b<a._echartsArr.length;b++)a._echartsArr[b].dispose();a._echartsArr=[],a.util.forEach(document.getElementsByClassName("echarts"),function(b){var c=echarts.init(b,a.isDark?"dark":"macarons",{renderer:"svg"});c.setOption(JSON.parse(a.data[b.id])),a._echartsArr.push(c)})},this.switchThemeEventSet.add(this._echartsOnSwitchTheme),this._echartsOnSwitchTheme(),this._echartsOnResize=this._echartsOnResize||function(){for(var b=0;b<a._echartsArr.length;b++)a._echartsArr[b].resize()},this.resizeEventSet.add(this._echartsOnResize)}},{key:"initMapbox",value:function initMapbox(){var a=this;this.config.mapbox&&(mapboxgl.accessToken=this.config.mapbox.accessToken,mapboxgl.setRTLTextPlugin(this.config.mapbox.RTLTextPlugin),this._mapboxArr=this._mapboxArr||[],this.util.forEach(document.getElementsByClassName("mapbox"),function(b){var c=a.data[b.id],d=c.lng,e=c.lat,f=c.zoom,g=c.lightStyle,h=c.darkStyle,i=c.marked,j=c.navigation,k=c.geolocate,l=c.scale,m=c.fullscreen,n=new mapboxgl.Map({container:b,center:[d,e],zoom:f,minZoom:.2,style:a.isDark?h:g,attributionControl:!1});i&&new mapboxgl.Marker().setLngLat([d,e]).addTo(n),j&&n.addControl(new mapboxgl.NavigationControl,"bottom-right"),k&&n.addControl(new mapboxgl.GeolocateControl({positionOptions:{enableHighAccuracy:!0},showUserLocation:!0,trackUserLocation:!0}),"bottom-right"),l&&n.addControl(new mapboxgl.ScaleControl),m&&n.addControl(new mapboxgl.FullscreenControl),n.addControl(new MapboxLanguage),a._mapboxArr.push(n)}),this._mapboxOnSwitchTheme=this._mapboxOnSwitchTheme||function(){a.util.forEach(a._mapboxArr,function(b){var c=b.getContainer(),d=a.data[c.id],e=d.lightStyle,f=d.darkStyle;b.setStyle(a.isDark?f:e),b.addControl(new MapboxLanguage)})},this.switchThemeEventSet.add(this._mapboxOnSwitchTheme))}},{key:"initTypeit",value:function initTypeit(){var a=this;if(this.config.typeit){var b=this.config.typeit,c=b.speed?b.speed:100,d=b.cursorSpeed?b.cursorSpeed:1e3,e=b.cursorChar?b.cursorChar:"|";Object.values(b.data).forEach(function(f){var g=function(h){var i=f[h],j=new TypeIt("#".concat(i),{strings:a.data[i],speed:c,lifeLike:!0,cursorSpeed:d,cursorChar:e,waitUntilVisible:!0,afterComplete:function afterComplete(){return h===f.length-1?void(0<=b.duration&&window.setTimeout(function(){j.destroy()},b.duration)):void(j.destroy(),g(h+1))}}).go()};g(0)})}}},{key:"initComment",value:function initComment(){var a=this;if(this.config.comment){if(this.config.comment.gitalk){this.config.comment.gitalk.body=decodeURI(window.location.href);var d=new Gitalk(this.config.comment.gitalk);d.render("gitalk")}if(this.config.comment.valine&&new Valine(this.config.comment.valine),this.config.comment.utterances){var b=this.config.comment.utterances,c=document.createElement("script");c.src="https://utteranc.es/client.js",c.type="text/javascript",c.setAttribute("repo",b.repo),c.setAttribute("issue-term",b.issueTerm),b.label&&c.setAttribute("label",b.label),c.setAttribute("theme",this.isDark?b.darkTheme:b.lightTheme),c.crossOrigin="anonymous",c.async=!0,document.getElementById("utterances").appendChild(c),this._utterancesOnSwitchTheme=this._utterancesOnSwitchTheme||function(){var c={type:"set-theme",theme:a.isDark?b.darkTheme:b.lightTheme},d=document.querySelector(".utterances-frame");d.contentWindow.postMessage(c,"https://utteranc.es")},this.switchThemeEventSet.add(this._utterancesOnSwitchTheme)}}}},{key:"initCookieconsent",value:function initCookieconsent(){this.config.cookieconsent&&cookieconsent.initialise(this.config.cookieconsent)}},{key:"onScroll",value:function onScroll(){var a=this,b=[];if("auto"===document.body.getAttribute("header-desktop")&&b.push(document.getElementById("header-desktop")),"auto"===document.body.getAttribute("header-mobile")&&b.push(document.getElementById("header-mobile")),document.getElementById("comments")){var e=document.getElementById("view-comments");e.href="#comments",e.style.display="block"}var c=document.getElementById("fixed-buttons"),d=20;window.addEventListener("scroll",function(){a.newScrollTop=a.util.getScrollTop();var e=a.newScrollTop-a.oldScrollTop,f=a.util.isMobile();a.util.forEach(b,function(b){e>d?(b.classList.remove("fadeInDown"),a.util.animateCSS(b,["fadeOutUp","faster"],!0)):e<-d&&(b.classList.remove("fadeOutUp"),a.util.animateCSS(b,["fadeInDown","faster"],!0))}),a.newScrollTop>100?f&&e>d?(c.classList.remove("fadeIn"),a.util.animateCSS(c,["fadeOut","faster"],!0)):(!f||e<-d)&&(c.style.display="block",c.classList.remove("fadeOut"),a.util.animateCSS(c,["fadeIn","faster"],!0)):(!f&&(c.classList.remove("fadeIn"),a.util.animateCSS(c,["fadeOut","faster"],!0)),c.style.display="none");var g,h=_createForOfIteratorHelper(a.scrollEventSet);try{for(h.s();!(g=h.n()).done;){var i=g.value;i()}}catch(a){h.e(a)}finally{h.f()}a.oldScrollTop=a.newScrollTop},!1)}},{key:"onResize",value:function onResize(){var a=this;window.addEventListener("resize",function(){a._resizeTimeout||(a._resizeTimeout=window.setTimeout(function(){a._resizeTimeout=null;var b,c=_createForOfIteratorHelper(a.resizeEventSet);try{for(c.s();!(b=c.n()).done;){var d=b.value;d()}}catch(a){c.e(a)}finally{c.f()}a.initToc(),a.initMermaid(),a.initSearch()},100))},!1)}},{key:"onClickMask",value:function onClickMask(){var a=this;document.getElementById("mask").addEventListener("click",function(){var b,c=_createForOfIteratorHelper(a.clickMaskEventSet);try{for(c.s();!(b=c.n()).done;){var d=b.value;d()}}catch(a){c.e(a)}finally{c.f()}document.body.classList.remove("blur")},!1)}},{key:"init",value:function init(){var a=this;try{this.initSVGIcon(),this.initTwemoji(),this.initMenuMobile(),this.initSwitchTheme(),this.initSearch(),this.initDetails(),this.initLightGallery(),this.initHighlight(),this.initTable(),this.initHeaderLink(),this.initMath(),this.initMermaid(),this.initEcharts(),this.initTypeit(),this.initMapbox(),this.initCookieconsent()}catch(a){console.error(a)}window.setTimeout(function(){a.initToc(),a.initComment(),a.onScroll(),a.onResize(),a.onClickMask()},100)}}]),a}(),themeInit=function(){var a=new Theme;a.init()};"loading"===document.readyState?document.addEventListener("DOMContentLoaded",themeInit,!1):themeInit();
 
 //# sourceMappingURL=theme.min.js.map
\ No newline at end of file
diff --git a/assets/js/theme.min.js.map b/assets/js/theme.min.js.map
index 08b52ec5..819f19da 100644
--- a/assets/js/theme.min.js.map
+++ b/assets/js/theme.min.js.map
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Util {\n    forEach(elements, handler) {\n        elements = elements || [];\n        for (let i = 0; i < elements.length; i++) handler(elements[i]);\n    }\n\n    getScrollTop() {\n        return (document.documentElement && document.documentElement.scrollTop) || document.body.scrollTop;\n    }\n\n    isMobile() {\n        return window.matchMedia('only screen and (max-width: 680px)').matches;\n    }\n\n    isTocStatic() {\n        return window.matchMedia('only screen and (max-width: 960px)').matches;\n    }\n\n    animateCSS(element, animation, reserved, callback) {\n        if (!Array.isArray(animation)) animation = [animation];\n        element.classList.add('animated', ...animation);\n        const handler = () => {\n            element.classList.remove('animated', ...animation);\n            element.removeEventListener('animationend', handler);\n            if (typeof callback === 'function') callback();\n        };\n        if (!reserved) element.addEventListener('animationend', handler, false);\n    }\n}\n\nclass Theme {\n    constructor() {\n        this.config = window.config;\n        this.data = this.config.data;\n        this.isDark = document.body.getAttribute('theme') === 'dark';\n        this.util = new Util();\n        this.newScrollTop = this.util.getScrollTop();\n        this.oldScrollTop = this.newScrollTop;\n        this.scrollEventSet = new Set();\n        this.resizeEventSet = new Set();\n        this.switchThemeEventSet = new Set();\n        this.clickMaskEventSet = new Set();\n        if (window.objectFitImages) objectFitImages();\n    }\n\n    initSVGIcon() {\n        this.util.forEach(document.querySelectorAll('[data-svg-src]'), $icon => {\n            fetch($icon.getAttribute('data-svg-src'))\n                .then(response => response.text())\n                .then(svg => {\n                    const $temp = document.createElement('div');\n                    $temp.insertAdjacentHTML('afterbegin', svg);\n                    const $svg = $temp.firstChild;\n                    $svg.setAttribute('data-svg-src', $icon.getAttribute('data-svg-src'));\n                    $svg.classList.add('icon');\n                    const $titleElements = $svg.getElementsByTagName('title');\n                    if ($titleElements.length) $svg.removeChild($titleElements[0]);\n                    $icon.parentElement.replaceChild($svg, $icon);\n                })\n                .catch(err => { console.error(err); });\n        });\n    }\n\n    initTwemoji() {\n        if (this.config.twemoji) twemoji.parse(document.body);\n    }\n\n    initMenuMobile() {\n        const $menuToggleMobile = document.getElementById('menu-toggle-mobile');\n        const $menuMobile = document.getElementById('menu-mobile');\n        $menuToggleMobile.addEventListener('click', () => {\n            document.body.classList.toggle('blur');\n            $menuToggleMobile.classList.toggle('active');\n            $menuMobile.classList.toggle('active');\n        }, false);\n        this._menuMobileOnClickMask = this._menuMobileOnClickMask || (() => {\n            $menuToggleMobile.classList.remove('active');\n            $menuMobile.classList.remove('active');\n        });\n        this.clickMaskEventSet.add(this._menuMobileOnClickMask);\n    }\n\n    initSwitchTheme() {\n        this.util.forEach(document.getElementsByClassName('theme-switch'), $themeSwitch => {\n            $themeSwitch.addEventListener('click', () => {\n                if (document.body.getAttribute('theme') === 'dark') document.body.setAttribute('theme', 'light');\n                else document.body.setAttribute('theme', 'dark');\n                this.isDark = !this.isDark;\n                window.localStorage && localStorage.setItem('theme', this.isDark ? 'dark' : 'light');\n                for (let event of this.switchThemeEventSet) event();\n            }, false);\n        });\n    }\n\n    initSearch() {\n        const searchConfig = this.config.search;\n        const isMobile = this.util.isMobile();\n        if (!searchConfig || isMobile && this._searchMobileOnce || !isMobile && this._searchDesktopOnce) return;\n\n        const maxResultLength = searchConfig.maxResultLength ? searchConfig.maxResultLength : 10;\n        const snippetLength = searchConfig.snippetLength ? searchConfig.snippetLength : 50;\n        const highlightTag = searchConfig.highlightTag ? searchConfig.highlightTag : 'em';\n\n        const suffix = isMobile ? 'mobile' : 'desktop';\n        const $header = document.getElementById(`header-${suffix}`);\n        const $searchInput = document.getElementById(`search-input-${suffix}`);\n        const $searchToggle = document.getElementById(`search-toggle-${suffix}`);\n        const $searchLoading = document.getElementById(`search-loading-${suffix}`);\n        const $searchClear = document.getElementById(`search-clear-${suffix}`);\n        if (isMobile) {\n            this._searchMobileOnce = true;\n            $searchInput.addEventListener('focus', () => {\n                document.body.classList.add('blur');\n                $header.classList.add('open');\n            }, false);\n            document.getElementById('search-cancel-mobile').addEventListener('click', () => {\n                $header.classList.remove('open');\n                document.body.classList.remove('blur');\n                document.getElementById('menu-toggle-mobile').classList.remove('active');\n                document.getElementById('menu-mobile').classList.remove('active');\n                $searchLoading.style.display = 'none';\n                $searchClear.style.display = 'none';\n                this._searchMobile && this._searchMobile.autocomplete.setVal('');\n            }, false);\n            $searchClear.addEventListener('click', () => {\n                $searchClear.style.display = 'none';\n                this._searchMobile && this._searchMobile.autocomplete.setVal('');\n            }, false);\n            this._searchMobileOnClickMask = this._searchMobileOnClickMask || (() => {\n                $header.classList.remove('open');\n                $searchLoading.style.display = 'none';\n                $searchClear.style.display = 'none';\n                this._searchMobile && this._searchMobile.autocomplete.setVal('');\n            });\n            this.clickMaskEventSet.add(this._searchMobileOnClickMask);\n        } else {\n            this._searchDesktopOnce = true;\n            $searchToggle.addEventListener('click', () => {\n                document.body.classList.add('blur');\n                $header.classList.add('open');\n                $searchInput.focus();\n            }, false);\n            $searchClear.addEventListener('click', () => {\n                $searchClear.style.display = 'none';\n                this._searchDesktop && this._searchDesktop.autocomplete.setVal('');\n            }, false);\n            this._searchDesktopOnClickMask = this._searchDesktopOnClickMask || (() => {\n                $header.classList.remove('open');\n                $searchLoading.style.display = 'none';\n                $searchClear.style.display = 'none';\n                this._searchDesktop && this._searchDesktop.autocomplete.setVal('');\n            });\n            this.clickMaskEventSet.add(this._searchDesktopOnClickMask);\n        }\n        $searchInput.addEventListener('input', () => {\n            if ($searchInput.value === '') $searchClear.style.display = 'none';\n            else $searchClear.style.display = 'inline';\n        }, false);\n\n        const initAutosearch = () => {\n            const autosearch = autocomplete(`#search-input-${suffix}`, {\n                hint: false,\n                autoselect: true,\n                dropdownMenuContainer: `#search-dropdown-${suffix}`,\n                clearOnSelected: true,\n                cssClasses: { noPrefix: true },\n                debug: true,\n            }, {\n                name: 'search',\n                source: (query, callback) => {\n                    $searchLoading.style.display = 'inline';\n                    $searchClear.style.display = 'none';\n                    const finish = (results) => {\n                        $searchLoading.style.display = 'none';\n                        $searchClear.style.display = 'inline';\n                        callback(results);\n                    };\n                    if (searchConfig.type === 'lunr') {\n                        const search = () => {\n                            if (lunr.queryHandler) query = lunr.queryHandler(query);\n                            const results = {};\n                            this._index.search(query).forEach(({ ref, matchData: { metadata } }) => {\n                                const matchData = this._indexData[ref];\n                                let { uri, title, content: context } = matchData;\n                                if (results[uri]) return;\n                                let position = 0;\n                                Object.values(metadata).forEach(({ content }) => {\n                                    if (content) {\n                                        const matchPosition = content.position[0][0];\n                                        if (matchPosition < position || position === 0) position = matchPosition;\n                                    }\n                                });\n                                position -= snippetLength / 5;\n                                if (position > 0) {\n                                    position += context.substr(position, 20).lastIndexOf(' ') + 1;\n                                    context = '...' + context.substr(position, snippetLength);\n                                } else {\n                                    context = context.substr(0, snippetLength);\n                                }\n                                Object.keys(metadata).forEach(key => {\n                                    title = title.replace(new RegExp(`(${key})`, 'gi'), `<${highlightTag}>$1</${highlightTag}>`);\n                                    context = context.replace(new RegExp(`(${key})`, 'gi'), `<${highlightTag}>$1</${highlightTag}>`);\n                                });\n                                results[uri] = {\n                                    'uri': uri,\n                                    'title' : title,\n                                    'date' : matchData.date,\n                                    'context' : context,\n                                };\n                            });\n                            return Object.values(results).slice(0, maxResultLength);\n                        }\n                        if (!this._index) {\n                            fetch(searchConfig.lunrIndexURL)\n                                .then(response => response.json())\n                                .then(data => {\n                                    const indexData = {};\n                                    this._index = lunr(function () {\n                                        if (searchConfig.lunrLanguageCode) this.use(lunr[searchConfig.lunrLanguageCode]);\n                                        this.ref('objectID');\n                                        this.field('title', { boost: 50 });\n                                        this.field('tags', { boost: 20 });\n                                        this.field('categories', { boost: 20 });\n                                        this.field('content', { boost: 10 });\n                                        this.metadataWhitelist = ['position'];\n                                        data.forEach((record) => {\n                                            indexData[record.objectID] = record;\n                                            this.add(record);\n                                        });\n                                    });\n                                    this._indexData = indexData;\n                                    finish(search());\n                                }).catch(err => {\n                                    console.error(err);\n                                    finish([]);\n                                });\n                        } else finish(search());\n                    } else if (searchConfig.type === 'algolia') {\n                        this._algoliaIndex = this._algoliaIndex || algoliasearch(searchConfig.algoliaAppID, searchConfig.algoliaSearchKey).initIndex(searchConfig.algoliaIndex);\n                        this._algoliaIndex\n                            .search(query, {\n                                offset: 0,\n                                length: maxResultLength * 8,\n                                attributesToHighlight: ['title'],\n                                attributesToSnippet: [`content:${snippetLength}`],\n                                highlightPreTag: `<${highlightTag}>`,\n                                highlightPostTag: `</${highlightTag}>`,\n                            })\n                            .then(({ hits }) => {\n                                const results = {};\n                                hits.forEach(({ uri, date, _highlightResult: { title }, _snippetResult: { content } }) => {\n                                    if (results[uri] && results[uri].context.length > content.value) return;\n                                    results[uri] = {\n                                        uri: uri,\n                                        title: title.value,\n                                        date: date,\n                                        context: content.value,\n                                    };\n                                });\n                                finish(Object.values(results).slice(0, maxResultLength));\n                            })\n                            .catch(err => {\n                                console.error(err);\n                                finish([]);\n                            });\n                    }\n                },\n                templates: {\n                    suggestion: ({ title, date, context }) => `<div><span class=\"suggestion-title\">${title}</span><span class=\"suggestion-date\">${date}</span></div><div class=\"suggestion-context\">${context}</div>`,\n                    empty: ({ query }) => `<div class=\"search-empty\">${searchConfig.noResultsFound}: <span class=\"search-query\">\"${query}\"</span></div>`,\n                    footer: ({}) => {\n                        const { searchType, icon, href } = searchConfig.type === 'algolia' ? {\n                            searchType: 'algolia',\n                            icon: '<i class=\"fab fa-algolia fa-fw\"></i>',\n                            href: 'https://www.algolia.com/',\n                        } : {\n                            searchType: 'Lunr.js',\n                            icon: '',\n                            href: 'https://lunrjs.com/',\n                        };\n                        return `<div class=\"search-footer\">Search by <a href=\"${href}\" rel=\"noopener noreffer\" target=\"_blank\">${icon} ${searchType}</a></div>`;},\n                },\n            });\n            autosearch.on('autocomplete:selected', (_event, suggestion, _dataset, _context) => {\n                window.location.assign(suggestion.uri);\n            });\n            if (isMobile) this._searchMobile = autosearch;\n            else this._searchDesktop = autosearch;\n        };\n        if (searchConfig.lunrSegmentitURL && !document.getElementById('lunr-segmentit')) {\n            const script = document.createElement('script');\n            script.id = 'lunr-segmentit';\n            script.type = 'text/javascript';\n            script.src = searchConfig.lunrSegmentitURL;\n            script.async = true;\n            if (script.readyState) {\n                script.onreadystatechange = () => {\n                    if (script.readyState == 'loaded' || script.readyState == 'complete'){\n                        script.onreadystatechange = null;\n                        initAutosearch();\n                    }\n                };\n            } else {\n                script.onload = () => {\n                    initAutosearch();\n                };\n            }\n            document.body.appendChild(script);\n        } else initAutosearch();\n    }\n\n    initDetails() {\n        this.util.forEach(document.getElementsByClassName('details'), $details => {\n            const $summary = $details.getElementsByClassName('details-summary')[0];\n            $summary.addEventListener('click', () => {\n                $details.classList.toggle('open');\n            }, false);\n        });\n    }\n\n    initLightGallery() {\n        if (this.config.lightGallery) lightGallery(document.getElementById('content'), this.config.lightGallery);\n    }\n\n    initHighlight() {\n        this.util.forEach(document.querySelectorAll('.highlight > pre.chroma'), $preChroma => {\n            const $chroma = document.createElement('div');\n            $chroma.className = $preChroma.className;\n            const $table = document.createElement('table');\n            $chroma.appendChild($table);\n            const $tbody = document.createElement('tbody');\n            $table.appendChild($tbody);\n            const $tr = document.createElement('tr');\n            $tbody.appendChild($tr);\n            const $td = document.createElement('td');\n            $tr.appendChild($td);\n            $preChroma.parentElement.replaceChild($chroma, $preChroma);\n            $td.appendChild($preChroma);\n        });\n        this.util.forEach(document.querySelectorAll('.highlight > .chroma'), $chroma => {\n            const $codeElements = $chroma.querySelectorAll('pre.chroma > code');\n            if ($codeElements.length) {\n                const $code = $codeElements[$codeElements.length - 1];\n                const $header = document.createElement('div');\n                $header.className = 'code-header ' + $code.className.toLowerCase();\n                const $title = document.createElement('span');\n                $title.classList.add('code-title');\n                $title.insertAdjacentHTML('afterbegin', '<i class=\"arrow fas fa-chevron-right fa-fw\"></i>');\n                $title.addEventListener('click', () => {\n                    $chroma.classList.toggle('open');\n                }, false);\n                $header.appendChild($title);\n                const $ellipses = document.createElement('span');\n                $ellipses.insertAdjacentHTML('afterbegin', '<i class=\"fas fa-ellipsis-h fa-fw\"></i>');\n                $ellipses.classList.add('ellipses');\n                $ellipses.addEventListener('click', () => {\n                    $chroma.classList.add('open');\n                }, false);\n                $header.appendChild($ellipses);\n                const $copy = document.createElement('span');\n                $copy.insertAdjacentHTML('afterbegin', '<i class=\"far fa-copy fa-fw\"></i>');\n                $copy.classList.add('copy');\n                const code = $code.innerText;\n                if (this.config.code.maxShownLines < 0 || code.split('\\n').length < this.config.code.maxShownLines + 2) $chroma.classList.add('open');\n                if (this.config.code.copyTitle) {\n                    $copy.setAttribute('data-clipboard-text', code);\n                    $copy.title = this.config.code.copyTitle;\n                    const clipboard = new ClipboardJS($copy);\n                    clipboard.on('success', _e => {\n                        this.util.animateCSS($code, 'flash');\n                    });\n                    $header.appendChild($copy);\n                }\n                $chroma.insertBefore($header, $chroma.firstChild);\n            }\n        });\n    }\n\n    initTable() {\n        this.util.forEach(document.querySelectorAll('.content table'), $table => {\n            const $wrapper = document.createElement('div');\n            $wrapper.className = 'table-wrapper';\n            $table.parentElement.replaceChild($wrapper, $table);\n            $wrapper.appendChild($table);\n        });\n    }\n\n    initHeaderLink() {\n        for (let num = 1; num <= 6; num++) {\n            this.util.forEach(document.querySelectorAll('.single .content > h' + num), $header => {\n                $header.classList.add('headerLink');\n                $header.insertAdjacentHTML('afterbegin', `<a href=\"#${$header.id}\" class=\"header-mark\"></a>`);\n            });\n        }\n    }\n\n    initToc() {\n        const $tocCore = document.getElementById('TableOfContents');\n        if ($tocCore === null) return;\n        if (document.getElementById('toc-static').getAttribute('kept') || this.util.isTocStatic()) {\n            const $tocContentStatic = document.getElementById('toc-content-static');\n            if ($tocCore.parentElement !== $tocContentStatic) {\n                $tocCore.parentElement.removeChild($tocCore);\n                $tocContentStatic.appendChild($tocCore);\n            }\n            if (this._tocOnScroll) this.scrollEventSet.delete(this._tocOnScroll);\n        } else {\n            const $tocContentAuto = document.getElementById('toc-content-auto');\n            if ($tocCore.parentElement !== $tocContentAuto) {\n                $tocCore.parentElement.removeChild($tocCore);\n                $tocContentAuto.appendChild($tocCore);\n            }\n            const $toc = document.getElementById('toc-auto');\n            const $page = document.getElementsByClassName('page')[0];\n            const rect = $page.getBoundingClientRect();\n            $toc.style.left = `${rect.left + rect.width + 20}px`;\n            $toc.style.maxWidth = `${$page.getBoundingClientRect().left - 20}px`;\n            $toc.style.visibility = 'visible';\n            const $tocLinkElements = $tocCore.querySelectorAll('a:first-child');\n            const $tocLiElements = $tocCore.getElementsByTagName('li');\n            const $headerLinkElements = document.getElementsByClassName('headerLink');\n            const headerIsFixed = document.body.getAttribute('header-desktop') !== 'normal';\n            const headerHeight = document.getElementById('header-desktop').offsetHeight;\n            const TOP_SPACING = 20 + (headerIsFixed ? headerHeight : 0);\n            const minTocTop = $toc.offsetTop;\n            const minScrollTop = minTocTop - TOP_SPACING + (headerIsFixed ? 0 : headerHeight);\n            this._tocOnScroll = this._tocOnScroll || (() => {\n                const footerTop = document.getElementById('post-footer').offsetTop;\n                const maxTocTop = footerTop - $toc.getBoundingClientRect().height;\n                const maxScrollTop = maxTocTop - TOP_SPACING + (headerIsFixed ? 0 : headerHeight);\n                if (this.newScrollTop < minScrollTop) {\n                    $toc.style.position = 'absolute';\n                    $toc.style.top = `${minTocTop}px`;\n                } else if (this.newScrollTop > maxScrollTop) {\n                    $toc.style.position = 'absolute';\n                    $toc.style.top = `${maxTocTop}px`;\n                } else {\n                    $toc.style.position = 'fixed';\n                    $toc.style.top = `${TOP_SPACING}px`;\n                }\n\n                this.util.forEach($tocLinkElements, $tocLink => { $tocLink.classList.remove('active'); });\n                this.util.forEach($tocLiElements, $tocLi => { $tocLi.classList.remove('has-active'); });\n                const INDEX_SPACING = 20 + (headerIsFixed ? headerHeight : 0);\n                let activeTocIndex = $headerLinkElements.length - 1;\n                for (let i = 0; i < $headerLinkElements.length - 1; i++) {\n                    const thisTop = $headerLinkElements[i].getBoundingClientRect().top;\n                    const nextTop = $headerLinkElements[i + 1].getBoundingClientRect().top;\n                    if ((i == 0 && thisTop > INDEX_SPACING)\n                     || (thisTop <= INDEX_SPACING && nextTop > INDEX_SPACING)) {\n                        activeTocIndex = i;\n                        break;\n                    }\n                }\n                if (activeTocIndex !== -1) {\n                    $tocLinkElements[activeTocIndex].classList.add('active');\n                    let $parent = $tocLinkElements[activeTocIndex].parentElement;\n                    while ($parent !== $tocCore) {\n                        $parent.classList.add('has-active');\n                        $parent = $parent.parentElement.parentElement;\n                    }\n                }\n            });\n            this._tocOnScroll();\n            this.scrollEventSet.add(this._tocOnScroll);\n        }\n    }\n\n    initMath() {\n        if (this.config.math) renderMathInElement(document.body, this.config.math);\n    }\n\n    initMermaid() {\n        const $mermaidElements = document.getElementsByClassName('mermaid');\n        if ($mermaidElements.length) {\n            mermaid.initialize({startOnLoad: false, theme: 'null'});\n            this.util.forEach($mermaidElements, $mermaid => {\n                mermaid.mermaidAPI.render('svg-' + $mermaid.id, this.data[$mermaid.id], svgCode => {\n                    $mermaid.insertAdjacentHTML('afterbegin', svgCode);\n                }, $mermaid);\n            });\n        }\n    }\n\n    initEcharts() {\n        this._echartsOnSwitchTheme = this._echartsOnSwitchTheme || (() => {\n            this._echartsArr = this._echartsArr || [];\n            for (let i = 0; i < this._echartsArr.length; i++) {\n                this._echartsArr[i].dispose();\n            }\n            this._echartsArr = [];\n            this.util.forEach(document.getElementsByClassName('echarts'), $echarts => {\n                const chart = echarts.init($echarts, this.isDark ? 'dark' : 'macarons', {renderer: 'svg'});\n                chart.setOption(JSON.parse(this.data[$echarts.id]));\n                this._echartsArr.push(chart);\n            });\n        });\n        this.switchThemeEventSet.add(this._echartsOnSwitchTheme);\n        this._echartsOnSwitchTheme();\n        this._echartsOnResize = this._echartsOnResize || (() => {\n            for (let i = 0; i < this._echartsArr.length; i++) {\n                this._echartsArr[i].resize();\n            }\n        });\n        this.resizeEventSet.add(this._echartsOnResize);\n    }\n\n    initMapbox() {\n        if (this.config.mapbox) {\n            mapboxgl.accessToken = this.config.mapbox.accessToken;\n            mapboxgl.setRTLTextPlugin(this.config.mapbox.RTLTextPlugin);\n            this._mapboxArr = this._mapboxArr || [];\n            this.util.forEach(document.getElementsByClassName('mapbox'), $mapbox => {\n                const { lng, lat, zoom, lightStyle, darkStyle, marked, navigation, geolocate, scale, fullscreen } = this.data[$mapbox.id];\n                const mapbox = new mapboxgl.Map({\n                    container: $mapbox,\n                    center: [lng, lat],\n                    zoom: zoom,\n                    minZoom: .2,\n                    style: this.isDark ? darkStyle : lightStyle,\n                    attributionControl: false,\n                });\n                if (marked) {\n                    new mapboxgl.Marker().setLngLat([lng, lat]).addTo(mapbox);\n                }\n                if (navigation) {\n                    mapbox.addControl(new mapboxgl.NavigationControl(), 'bottom-right');\n                }\n                if (geolocate) {\n                    mapbox.addControl(new mapboxgl.GeolocateControl({\n                        positionOptions: {\n                            enableHighAccuracy: true,\n                        },\n                        showUserLocation: true,\n                        trackUserLocation: true,\n                    }), 'bottom-right');\n                }\n                if (scale) {\n                    mapbox.addControl(new mapboxgl.ScaleControl());\n                }\n                if (fullscreen) {\n                    mapbox.addControl(new mapboxgl.FullscreenControl());\n                }\n                mapbox.addControl(new MapboxLanguage());\n                this._mapboxArr.push(mapbox);\n            });\n            this._mapboxOnSwitchTheme = this._mapboxOnSwitchTheme || (() => {\n                this.util.forEach(this._mapboxArr, mapbox => {\n                    const $mapbox = mapbox.getContainer();\n                    const { lightStyle, darkStyle } = this.data[$mapbox.id];\n                    mapbox.setStyle(this.isDark ? darkStyle : lightStyle);\n                    mapbox.addControl(new MapboxLanguage());\n                });\n            });\n            this.switchThemeEventSet.add(this._mapboxOnSwitchTheme);\n        }\n    }\n\n    initTypeit() {\n        if (this.config.typeit) {\n            const typeitConfig = this.config.typeit;\n            const speed = typeitConfig.speed ? typeitConfig.speed : 100;\n            const cursorSpeed = typeitConfig.cursorSpeed ? typeitConfig.cursorSpeed : 1000;\n            const cursorChar = typeitConfig.cursorChar ? typeitConfig.cursorChar : '|';\n            Object.values(typeitConfig.data).forEach(group => {\n                const typeone = (i) => {\n                    const id = group[i];\n                    const instance = new TypeIt(`#${id}`, {\n                        strings: this.data[id],\n                        speed: speed,\n                        lifeLike: true,\n                        cursorSpeed: cursorSpeed,\n                        cursorChar: cursorChar,\n                        waitUntilVisible: true,\n                        afterComplete: () => {\n                            if (i === group.length - 1) {\n                                if (typeitConfig.duration >= 0) window.setTimeout(() => {\n                                    instance.destroy();\n                                }, typeitConfig.duration);\n                                return;\n                            }\n                            instance.destroy();\n                            typeone(i + 1);\n                        },\n                    }).go();\n                };\n                typeone(0);\n            });\n        }\n    }\n\n    initComment() {\n        if (this.config.comment) {\n            if (this.config.comment.gitalk) {\n                this.config.comment.gitalk.body = decodeURI(window.location.href);\n                const gitalk = new Gitalk(this.config.comment.gitalk);\n                gitalk.render('gitalk');\n            }\n            if (this.config.comment.valine) new Valine(this.config.comment.valine);\n            if (this.config.comment.utterances) {\n                const utterancesConfig = this.config.comment.utterances;\n                const script = document.createElement('script');\n                script.src = 'https://utteranc.es/client.js';\n                script.type = 'text/javascript';\n                script.setAttribute('repo', utterancesConfig.repo);\n                script.setAttribute('issue-term', utterancesConfig.issueTerm);\n                if (utterancesConfig.label) script.setAttribute('label', utterancesConfig.label);\n                script.setAttribute('theme', this.isDark ? utterancesConfig.darkTheme : utterancesConfig.lightTheme);\n                script.crossOrigin = 'anonymous';\n                script.async = true;\n                document.getElementById('utterances').appendChild(script);\n                this._utterancesOnSwitchTheme = this._utterancesOnSwitchTheme || (() => {\n                    const message = {\n                        type: 'set-theme',\n                        theme: this.isDark ? utterancesConfig.darkTheme : utterancesConfig.lightTheme,\n                    };\n                    const iframe = document.querySelector('.utterances-frame');\n                    iframe.contentWindow.postMessage(message, 'https://utteranc.es');\n                });\n                this.switchThemeEventSet.add(this._utterancesOnSwitchTheme);\n            }\n        }\n    }\n\n    initCookieconsent() {\n        if (this.config.cookieconsent) cookieconsent.initialise(this.config.cookieconsent);\n    }\n\n    onScroll() {\n        const $headers = [];\n        if (document.body.getAttribute('header-desktop') === 'auto') $headers.push(document.getElementById('header-desktop'));\n        if (document.body.getAttribute('header-mobile') === 'auto') $headers.push(document.getElementById('header-mobile'));\n        if (document.getElementById('comments')) {\n            const $viewComments = document.getElementById('view-comments');\n            $viewComments.href = `#comments`;\n            $viewComments.style.display = 'block';\n        }\n        const $fixedButtons = document.getElementById('fixed-buttons');\n        const ACCURACY = 20, MINIMUM = 100;\n        window.addEventListener('scroll', () => {\n            this.newScrollTop = this.util.getScrollTop();\n            const scroll = this.newScrollTop - this.oldScrollTop;\n            const isMobile = this.util.isMobile();\n            this.util.forEach($headers, $header => {\n                if (scroll > ACCURACY) {\n                    $header.classList.remove('fadeInDown');\n                    this.util.animateCSS($header, ['fadeOutUp', 'faster'], true);\n                } else if (scroll < - ACCURACY) {\n                    $header.classList.remove('fadeOutUp');\n                    this.util.animateCSS($header, ['fadeInDown', 'faster'], true);\n                }\n            });\n            if (this.newScrollTop > MINIMUM) {\n                if (isMobile && scroll > ACCURACY) {\n                    $fixedButtons.classList.remove('fadeIn');\n                    this.util.animateCSS($fixedButtons, ['fadeOut', 'faster'], true);\n                } else if (!isMobile || scroll < - ACCURACY) {\n                    $fixedButtons.style.display = 'block';\n                    $fixedButtons.classList.remove('fadeOut');\n                    this.util.animateCSS($fixedButtons, ['fadeIn', 'faster'], true);\n                }\n            } else {\n                if (!isMobile) {\n                    $fixedButtons.classList.remove('fadeIn');\n                    this.util.animateCSS($fixedButtons, ['fadeOut', 'faster'], true);\n                }\n                $fixedButtons.style.display = 'none';\n            }\n            for (let event of this.scrollEventSet) event();\n            this.oldScrollTop = this.newScrollTop;\n        }, false);\n    }\n\n    onResize() {\n        window.addEventListener('resize', () => {\n            if (!this._resizeTimeout) {\n                this._resizeTimeout = window.setTimeout(() => {\n                    this._resizeTimeout = null;\n                    for (let event of this.resizeEventSet) event();\n                    this.initToc();\n                    this.initMermaid();\n                    this.initSearch();\n                }, 100);\n            }\n        }, false);\n    }\n\n    onClickMask() {\n        document.getElementById('mask').addEventListener('click', () => {\n            for (let event of this.clickMaskEventSet) event();\n            document.body.classList.remove('blur');\n        }, false);\n    }\n\n    init() {\n        try {\n            this.initSVGIcon();\n            this.initTwemoji();\n            this.initMenuMobile();\n            this.initSwitchTheme();\n            this.initSearch();\n            this.initDetails();\n            this.initLightGallery();\n            this.initHighlight();\n            this.initTable();\n            this.initHeaderLink();\n            this.initMath();\n            this.initMermaid();\n            this.initEcharts();\n            this.initTypeit();\n            this.initMapbox();\n            this.initCookieconsent();\n        } catch (err) {\n            console.error(err);\n        }\n\n        window.setTimeout(() => {\n            this.initToc();\n            this.initComment();\n\n            this.onScroll();\n            this.onResize();\n            this.onClickMask();\n        }, 100);\n    }\n}\n\nconst themeInit = () => {\n    const theme = new Theme();\n    theme.init();\n};\n\nif (document.readyState !== 'loading') {\n    themeInit();\n} else {\n    document.addEventListener('DOMContentLoaded', themeInit, false);\n}\n"]}
\ No newline at end of file
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Util {\n  forEach(elements, handler) {\n    elements = elements || [];\n    for (let i = 0; i < elements.length; i++) handler(elements[i]);\n  }\n\n  getScrollTop() {\n    return (document.documentElement && document.documentElement.scrollTop) || document.body.scrollTop;\n  }\n\n  isMobile() {\n    return window.matchMedia('only screen and (max-width: 680px)').matches;\n  }\n\n  isTocStatic() {\n    return window.matchMedia('only screen and (max-width: 960px)').matches;\n  }\n\n  animateCSS(element, animation, reserved, callback) {\n    if (!Array.isArray(animation)) animation = [animation];\n    element.classList.add('animated', ...animation);\n    const handler = () => {\n      element.classList.remove('animated', ...animation);\n      element.removeEventListener('animationend', handler);\n      if (typeof callback === 'function') callback();\n    };\n    if (!reserved) element.addEventListener('animationend', handler, false);\n  }\n}\n\nclass Theme {\n  constructor() {\n    this.config = window.config;\n    this.data = this.config.data;\n    this.isDark = document.body.getAttribute('theme') === 'dark';\n    this.util = new Util();\n    this.newScrollTop = this.util.getScrollTop();\n    this.oldScrollTop = this.newScrollTop;\n    this.scrollEventSet = new Set();\n    this.resizeEventSet = new Set();\n    this.switchThemeEventSet = new Set();\n    this.clickMaskEventSet = new Set();\n    if (window.objectFitImages) objectFitImages();\n  }\n\n  initSVGIcon() {\n    this.util.forEach(document.querySelectorAll('[data-svg-src]'), $icon => {\n      fetch($icon.getAttribute('data-svg-src'))\n        .then(response => response.text())\n        .then(svg => {\n          const $temp = document.createElement('div');\n          $temp.insertAdjacentHTML('afterbegin', svg);\n          const $svg = $temp.firstChild;\n          $svg.setAttribute('data-svg-src', $icon.getAttribute('data-svg-src'));\n          $svg.classList.add('icon');\n          const $titleElements = $svg.getElementsByTagName('title');\n          if ($titleElements.length) $svg.removeChild($titleElements[0]);\n          $icon.parentElement.replaceChild($svg, $icon);\n        })\n        .catch(err => { console.error(err); });\n    });\n  }\n\n  initTwemoji() {\n    if (this.config.twemoji) twemoji.parse(document.body);\n  }\n\n  initMenuMobile() {\n    const $menuToggleMobile = document.getElementById('menu-toggle-mobile');\n    const $menuMobile = document.getElementById('menu-mobile');\n    $menuToggleMobile.addEventListener('click', () => {\n      document.body.classList.toggle('blur');\n      $menuToggleMobile.classList.toggle('active');\n      $menuMobile.classList.toggle('active');\n    }, false);\n    this._menuMobileOnClickMask = this._menuMobileOnClickMask || (() => {\n      $menuToggleMobile.classList.remove('active');\n      $menuMobile.classList.remove('active');\n    });\n    this.clickMaskEventSet.add(this._menuMobileOnClickMask);\n  }\n\n  initSwitchTheme() {\n    this.util.forEach(document.getElementsByClassName('theme-switch'), $themeSwitch => {\n      $themeSwitch.addEventListener('click', () => {\n        if (document.body.getAttribute('theme') === 'dark') document.body.setAttribute('theme', 'light');\n        else document.body.setAttribute('theme', 'dark');\n        this.isDark = !this.isDark;\n        window.localStorage && localStorage.setItem('theme', this.isDark ? 'dark' : 'light');\n        for (let event of this.switchThemeEventSet) event();\n      }, false);\n    });\n  }\n\n  initSearch() {\n    const searchConfig = this.config.search;\n    const isMobile = this.util.isMobile();\n    if (!searchConfig || isMobile && this._searchMobileOnce || !isMobile && this._searchDesktopOnce) return;\n\n    const maxResultLength = searchConfig.maxResultLength ? searchConfig.maxResultLength : 10;\n    const snippetLength = searchConfig.snippetLength ? searchConfig.snippetLength : 50;\n    const highlightTag = searchConfig.highlightTag ? searchConfig.highlightTag : 'em';\n\n    const suffix = isMobile ? 'mobile' : 'desktop';\n    const $header = document.getElementById(`header-${suffix}`);\n    const $searchInput = document.getElementById(`search-input-${suffix}`);\n    const $searchToggle = document.getElementById(`search-toggle-${suffix}`);\n    const $searchLoading = document.getElementById(`search-loading-${suffix}`);\n    const $searchClear = document.getElementById(`search-clear-${suffix}`);\n    if (isMobile) {\n      this._searchMobileOnce = true;\n      $searchInput.addEventListener('focus', () => {\n        document.body.classList.add('blur');\n        $header.classList.add('open');\n      }, false);\n      document.getElementById('search-cancel-mobile').addEventListener('click', () => {\n        $header.classList.remove('open');\n        document.body.classList.remove('blur');\n        document.getElementById('menu-toggle-mobile').classList.remove('active');\n        document.getElementById('menu-mobile').classList.remove('active');\n        $searchLoading.style.display = 'none';\n        $searchClear.style.display = 'none';\n        this._searchMobile && this._searchMobile.autocomplete.setVal('');\n      }, false);\n      $searchClear.addEventListener('click', () => {\n        $searchClear.style.display = 'none';\n        this._searchMobile && this._searchMobile.autocomplete.setVal('');\n      }, false);\n      this._searchMobileOnClickMask = this._searchMobileOnClickMask || (() => {\n        $header.classList.remove('open');\n        $searchLoading.style.display = 'none';\n        $searchClear.style.display = 'none';\n        this._searchMobile && this._searchMobile.autocomplete.setVal('');\n      });\n      this.clickMaskEventSet.add(this._searchMobileOnClickMask);\n    } else {\n      this._searchDesktopOnce = true;\n      $searchToggle.addEventListener('click', () => {\n        document.body.classList.add('blur');\n        $header.classList.add('open');\n        $searchInput.focus();\n      }, false);\n      $searchClear.addEventListener('click', () => {\n        $searchClear.style.display = 'none';\n        this._searchDesktop && this._searchDesktop.autocomplete.setVal('');\n      }, false);\n      this._searchDesktopOnClickMask = this._searchDesktopOnClickMask || (() => {\n        $header.classList.remove('open');\n        $searchLoading.style.display = 'none';\n        $searchClear.style.display = 'none';\n        this._searchDesktop && this._searchDesktop.autocomplete.setVal('');\n      });\n      this.clickMaskEventSet.add(this._searchDesktopOnClickMask);\n    }\n    $searchInput.addEventListener('input', () => {\n      if ($searchInput.value === '') $searchClear.style.display = 'none';\n      else $searchClear.style.display = 'inline';\n    }, false);\n\n    const initAutosearch = () => {\n      const autosearch = autocomplete(`#search-input-${suffix}`, {\n        hint: false,\n        autoselect: true,\n        dropdownMenuContainer: `#search-dropdown-${suffix}`,\n        clearOnSelected: true,\n        cssClasses: { noPrefix: true },\n        debug: true,\n      }, {\n        name: 'search',\n        source: (query, callback) => {\n          $searchLoading.style.display = 'inline';\n          $searchClear.style.display = 'none';\n          const finish = (results) => {\n            $searchLoading.style.display = 'none';\n            $searchClear.style.display = 'inline';\n            callback(results);\n          };\n          if (searchConfig.type === 'lunr') {\n            const search = () => {\n              if (lunr.queryHandler) query = lunr.queryHandler(query);\n              const results = {};\n              this._index.search(query).forEach(({ ref, matchData: { metadata } }) => {\n                const matchData = this._indexData[ref];\n                let { uri, title, content: context } = matchData;\n                if (results[uri]) return;\n                let position = 0;\n                Object.values(metadata).forEach(({ content }) => {\n                  if (content) {\n                    const matchPosition = content.position[0][0];\n                    if (matchPosition < position || position === 0) position = matchPosition;\n                  }\n                });\n                position -= snippetLength / 5;\n                if (position > 0) {\n                  position += context.substr(position, 20).lastIndexOf(' ') + 1;\n                  context = '...' + context.substr(position, snippetLength);\n                } else {\n                  context = context.substr(0, snippetLength);\n                }\n                Object.keys(metadata).forEach(key => {\n                  title = title.replace(new RegExp(`(${key})`, 'gi'), `<${highlightTag}>$1</${highlightTag}>`);\n                  context = context.replace(new RegExp(`(${key})`, 'gi'), `<${highlightTag}>$1</${highlightTag}>`);\n                });\n                results[uri] = {\n                  'uri': uri,\n                  'title' : title,\n                  'date' : matchData.date,\n                  'context' : context,\n                };\n              });\n              return Object.values(results).slice(0, maxResultLength);\n            }\n            if (!this._index) {\n              fetch(searchConfig.lunrIndexURL)\n                .then(response => response.json())\n                .then(data => {\n                  const indexData = {};\n                  this._index = lunr(function () {\n                    if (searchConfig.lunrLanguageCode) this.use(lunr[searchConfig.lunrLanguageCode]);\n                    this.ref('objectID');\n                    this.field('title', { boost: 50 });\n                    this.field('tags', { boost: 20 });\n                    this.field('categories', { boost: 20 });\n                    this.field('content', { boost: 10 });\n                    this.metadataWhitelist = ['position'];\n                    data.forEach((record) => {\n                      indexData[record.objectID] = record;\n                      this.add(record);\n                    });\n                  });\n                  this._indexData = indexData;\n                  finish(search());\n                }).catch(err => {\n                  console.error(err);\n                  finish([]);\n                });\n            } else finish(search());\n          } else if (searchConfig.type === 'algolia') {\n            this._algoliaIndex = this._algoliaIndex || algoliasearch(searchConfig.algoliaAppID, searchConfig.algoliaSearchKey).initIndex(searchConfig.algoliaIndex);\n            this._algoliaIndex\n              .search(query, {\n                offset: 0,\n                length: maxResultLength * 8,\n                attributesToHighlight: ['title'],\n                attributesToSnippet: [`content:${snippetLength}`],\n                highlightPreTag: `<${highlightTag}>`,\n                highlightPostTag: `</${highlightTag}>`,\n              })\n              .then(({ hits }) => {\n                const results = {};\n                hits.forEach(({ uri, date, _highlightResult: { title }, _snippetResult: { content } }) => {\n                  if (results[uri] && results[uri].context.length > content.value) return;\n                  results[uri] = {\n                    uri: uri,\n                    title: title.value,\n                    date: date,\n                    context: content.value,\n                  };\n                });\n                finish(Object.values(results).slice(0, maxResultLength));\n              })\n              .catch(err => {\n                console.error(err);\n                finish([]);\n              });\n          }\n        },\n        templates: {\n          suggestion: ({ title, date, context }) => `<div><span class=\"suggestion-title\">${title}</span><span class=\"suggestion-date\">${date}</span></div><div class=\"suggestion-context\">${context}</div>`,\n          empty: ({ query }) => `<div class=\"search-empty\">${searchConfig.noResultsFound}: <span class=\"search-query\">\"${query}\"</span></div>`,\n          footer: ({}) => {\n            const { searchType, icon, href } = searchConfig.type === 'algolia' ? {\n              searchType: 'algolia',\n              icon: '<i class=\"fab fa-algolia fa-fw\"></i>',\n              href: 'https://www.algolia.com/',\n            } : {\n              searchType: 'Lunr.js',\n              icon: '',\n              href: 'https://lunrjs.com/',\n            };\n            return `<div class=\"search-footer\">Search by <a href=\"${href}\" rel=\"noopener noreffer\" target=\"_blank\">${icon} ${searchType}</a></div>`;},\n        },\n      });\n      autosearch.on('autocomplete:selected', (_event, suggestion, _dataset, _context) => {\n        window.location.assign(suggestion.uri);\n      });\n      if (isMobile) this._searchMobile = autosearch;\n      else this._searchDesktop = autosearch;\n    };\n    if (searchConfig.lunrSegmentitURL && !document.getElementById('lunr-segmentit')) {\n      const script = document.createElement('script');\n      script.id = 'lunr-segmentit';\n      script.type = 'text/javascript';\n      script.src = searchConfig.lunrSegmentitURL;\n      script.async = true;\n      if (script.readyState) {\n        script.onreadystatechange = () => {\n          if (script.readyState == 'loaded' || script.readyState == 'complete'){\n            script.onreadystatechange = null;\n            initAutosearch();\n          }\n        };\n      } else {\n        script.onload = () => {\n          initAutosearch();\n        };\n      }\n      document.body.appendChild(script);\n    } else initAutosearch();\n  }\n\n  initDetails() {\n    this.util.forEach(document.getElementsByClassName('details'), $details => {\n      const $summary = $details.getElementsByClassName('details-summary')[0];\n      $summary.addEventListener('click', () => {\n        $details.classList.toggle('open');\n      }, false);\n    });\n  }\n\n  initLightGallery() {\n    if (this.config.lightGallery) lightGallery(document.getElementById('content'), this.config.lightGallery);\n  }\n\n  initHighlight() {\n    this.util.forEach(document.querySelectorAll('.highlight > pre.chroma'), $preChroma => {\n      const $chroma = document.createElement('div');\n      $chroma.className = $preChroma.className;\n      const $table = document.createElement('table');\n      $chroma.appendChild($table);\n      const $tbody = document.createElement('tbody');\n      $table.appendChild($tbody);\n      const $tr = document.createElement('tr');\n      $tbody.appendChild($tr);\n      const $td = document.createElement('td');\n      $tr.appendChild($td);\n      $preChroma.parentElement.replaceChild($chroma, $preChroma);\n      $td.appendChild($preChroma);\n    });\n    this.util.forEach(document.querySelectorAll('.highlight > .chroma'), $chroma => {\n      const $codeElements = $chroma.querySelectorAll('pre.chroma > code');\n      if ($codeElements.length) {\n        const $code = $codeElements[$codeElements.length - 1];\n        const $header = document.createElement('div');\n        $header.className = 'code-header ' + $code.className.toLowerCase();\n        const $title = document.createElement('span');\n        $title.classList.add('code-title');\n        $title.insertAdjacentHTML('afterbegin', '<i class=\"arrow fas fa-chevron-right fa-fw\"></i>');\n        $title.addEventListener('click', () => {\n          $chroma.classList.toggle('open');\n        }, false);\n        $header.appendChild($title);\n        const $ellipses = document.createElement('span');\n        $ellipses.insertAdjacentHTML('afterbegin', '<i class=\"fas fa-ellipsis-h fa-fw\"></i>');\n        $ellipses.classList.add('ellipses');\n        $ellipses.addEventListener('click', () => {\n          $chroma.classList.add('open');\n        }, false);\n        $header.appendChild($ellipses);\n        const $copy = document.createElement('span');\n        $copy.insertAdjacentHTML('afterbegin', '<i class=\"far fa-copy fa-fw\"></i>');\n        $copy.classList.add('copy');\n        const code = $code.innerText;\n        if (this.config.code.maxShownLines < 0 || code.split('\\n').length < this.config.code.maxShownLines + 2) $chroma.classList.add('open');\n        if (this.config.code.copyTitle) {\n          $copy.setAttribute('data-clipboard-text', code);\n          $copy.title = this.config.code.copyTitle;\n          const clipboard = new ClipboardJS($copy);\n          clipboard.on('success', _e => {\n            this.util.animateCSS($code, 'flash');\n          });\n          $header.appendChild($copy);\n        }\n        $chroma.insertBefore($header, $chroma.firstChild);\n      }\n    });\n  }\n\n  initTable() {\n    this.util.forEach(document.querySelectorAll('.content table'), $table => {\n      const $wrapper = document.createElement('div');\n      $wrapper.className = 'table-wrapper';\n      $table.parentElement.replaceChild($wrapper, $table);\n      $wrapper.appendChild($table);\n    });\n  }\n\n  initHeaderLink() {\n    for (let num = 1; num <= 6; num++) {\n      this.util.forEach(document.querySelectorAll('.single .content > h' + num), $header => {\n        $header.classList.add('headerLink');\n        $header.insertAdjacentHTML('afterbegin', `<a href=\"#${$header.id}\" class=\"header-mark\"></a>`);\n      });\n    }\n  }\n\n  initToc() {\n    const $tocCore = document.getElementById('TableOfContents');\n    if ($tocCore === null){\n      return;\n    }\n    const $toc = document.getElementById('toc-auto');\n    if ($tocCore.innerText === ''){\n      $toc.style.display = 'none';\n      return;\n    }\n    if (document.getElementById('toc-static').getAttribute('kept') || this.util.isTocStatic()) {\n      const $tocContentStatic = document.getElementById('toc-content-static');\n      if ($tocCore.parentElement !== $tocContentStatic) {\n        $tocCore.parentElement.removeChild($tocCore);\n        $tocContentStatic.appendChild($tocCore);\n      }\n      if (this._tocOnScroll) this.scrollEventSet.delete(this._tocOnScroll);\n    } else {\n      const $tocContentAuto = document.getElementById('toc-content-auto');\n      if ($tocCore.parentElement !== $tocContentAuto) {\n        $tocCore.parentElement.removeChild($tocCore);\n        $tocContentAuto.appendChild($tocCore);\n      }\n      const $page = document.getElementsByClassName('page')[0];\n      const rect = $page.getBoundingClientRect();\n      $toc.style.left = `${rect.left + rect.width + 20}px`;\n      $toc.style.maxWidth = `${$page.getBoundingClientRect().left - 20}px`;\n      $toc.style.visibility = 'visible';\n      const $tocLinkElements = $tocCore.querySelectorAll('a:first-child');\n      const $tocLiElements = $tocCore.getElementsByTagName('li');\n      const $headerLinkElements = document.getElementsByClassName('headerLink');\n      const headerIsFixed = document.body.getAttribute('header-desktop') !== 'normal';\n      const headerHeight = document.getElementById('header-desktop').offsetHeight;\n      const TOP_SPACING = 20 + (headerIsFixed ? headerHeight : 0);\n      const minTocTop = $toc.offsetTop;\n      const minScrollTop = minTocTop - TOP_SPACING + (headerIsFixed ? 0 : headerHeight);\n      this._tocOnScroll = this._tocOnScroll || (() => {\n        const footerTop = document.getElementById('post-footer').offsetTop;\n        const maxTocTop = footerTop - $toc.getBoundingClientRect().height;\n        const maxScrollTop = maxTocTop - TOP_SPACING + (headerIsFixed ? 0 : headerHeight);\n        if (this.newScrollTop < minScrollTop) {\n          $toc.style.position = 'absolute';\n          $toc.style.top = `${minTocTop}px`;\n        } else if (this.newScrollTop > maxScrollTop) {\n          $toc.style.position = 'absolute';\n          $toc.style.top = `${maxTocTop}px`;\n        } else {\n          $toc.style.position = 'fixed';\n          $toc.style.top = `${TOP_SPACING}px`;\n        }\n\n        this.util.forEach($tocLinkElements, $tocLink => { $tocLink.classList.remove('active'); });\n        this.util.forEach($tocLiElements, $tocLi => { $tocLi.classList.remove('has-active'); });\n        const INDEX_SPACING = 20 + (headerIsFixed ? headerHeight : 0);\n        let activeTocIndex = $headerLinkElements.length - 1;\n        for (let i = 0; i < $headerLinkElements.length - 1; i++) {\n          const thisTop = $headerLinkElements[i].getBoundingClientRect().top;\n          const nextTop = $headerLinkElements[i + 1].getBoundingClientRect().top;\n          if ((i == 0 && thisTop > INDEX_SPACING)\n           || (thisTop <= INDEX_SPACING && nextTop > INDEX_SPACING)) {\n            activeTocIndex = i;\n            break;\n          }\n        }\n        if (activeTocIndex !== -1) {\n          $tocLinkElements[activeTocIndex].classList.add('active');\n          let $parent = $tocLinkElements[activeTocIndex].parentElement;\n          while ($parent !== $tocCore) {\n            $parent.classList.add('has-active');\n            $parent = $parent.parentElement.parentElement;\n          }\n        }\n      });\n      this._tocOnScroll();\n      this.scrollEventSet.add(this._tocOnScroll);\n    }\n  }\n\n  initMath() {\n    if (this.config.math) renderMathInElement(document.body, this.config.math);\n  }\n\n  initMermaid() {\n    const $mermaidElements = document.getElementsByClassName('mermaid');\n    if ($mermaidElements.length) {\n      mermaid.initialize({startOnLoad: false, theme: 'null'});\n      this.util.forEach($mermaidElements, $mermaid => {\n        mermaid.mermaidAPI.render('svg-' + $mermaid.id, this.data[$mermaid.id], svgCode => {\n          $mermaid.insertAdjacentHTML('afterbegin', svgCode);\n        }, $mermaid);\n      });\n    }\n  }\n\n  initEcharts() {\n    this._echartsOnSwitchTheme = this._echartsOnSwitchTheme || (() => {\n      this._echartsArr = this._echartsArr || [];\n      for (let i = 0; i < this._echartsArr.length; i++) {\n        this._echartsArr[i].dispose();\n      }\n      this._echartsArr = [];\n      this.util.forEach(document.getElementsByClassName('echarts'), $echarts => {\n        const chart = echarts.init($echarts, this.isDark ? 'dark' : 'macarons', {renderer: 'svg'});\n        chart.setOption(JSON.parse(this.data[$echarts.id]));\n        this._echartsArr.push(chart);\n      });\n    });\n    this.switchThemeEventSet.add(this._echartsOnSwitchTheme);\n    this._echartsOnSwitchTheme();\n    this._echartsOnResize = this._echartsOnResize || (() => {\n      for (let i = 0; i < this._echartsArr.length; i++) {\n        this._echartsArr[i].resize();\n      }\n    });\n    this.resizeEventSet.add(this._echartsOnResize);\n  }\n\n  initMapbox() {\n    if (this.config.mapbox) {\n      mapboxgl.accessToken = this.config.mapbox.accessToken;\n      mapboxgl.setRTLTextPlugin(this.config.mapbox.RTLTextPlugin);\n      this._mapboxArr = this._mapboxArr || [];\n      this.util.forEach(document.getElementsByClassName('mapbox'), $mapbox => {\n        const { lng, lat, zoom, lightStyle, darkStyle, marked, navigation, geolocate, scale, fullscreen } = this.data[$mapbox.id];\n        const mapbox = new mapboxgl.Map({\n          container: $mapbox,\n          center: [lng, lat],\n          zoom: zoom,\n          minZoom: .2,\n          style: this.isDark ? darkStyle : lightStyle,\n          attributionControl: false,\n        });\n        if (marked) {\n          new mapboxgl.Marker().setLngLat([lng, lat]).addTo(mapbox);\n        }\n        if (navigation) {\n          mapbox.addControl(new mapboxgl.NavigationControl(), 'bottom-right');\n        }\n        if (geolocate) {\n          mapbox.addControl(new mapboxgl.GeolocateControl({\n            positionOptions: {\n              enableHighAccuracy: true,\n            },\n            showUserLocation: true,\n            trackUserLocation: true,\n          }), 'bottom-right');\n        }\n        if (scale) {\n          mapbox.addControl(new mapboxgl.ScaleControl());\n        }\n        if (fullscreen) {\n          mapbox.addControl(new mapboxgl.FullscreenControl());\n        }\n        mapbox.addControl(new MapboxLanguage());\n        this._mapboxArr.push(mapbox);\n      });\n      this._mapboxOnSwitchTheme = this._mapboxOnSwitchTheme || (() => {\n        this.util.forEach(this._mapboxArr, mapbox => {\n          const $mapbox = mapbox.getContainer();\n          const { lightStyle, darkStyle } = this.data[$mapbox.id];\n          mapbox.setStyle(this.isDark ? darkStyle : lightStyle);\n          mapbox.addControl(new MapboxLanguage());\n        });\n      });\n      this.switchThemeEventSet.add(this._mapboxOnSwitchTheme);\n    }\n  }\n\n  initTypeit() {\n    if (this.config.typeit) {\n      const typeitConfig = this.config.typeit;\n      const speed = typeitConfig.speed ? typeitConfig.speed : 100;\n      const cursorSpeed = typeitConfig.cursorSpeed ? typeitConfig.cursorSpeed : 1000;\n      const cursorChar = typeitConfig.cursorChar ? typeitConfig.cursorChar : '|';\n      Object.values(typeitConfig.data).forEach(group => {\n        const typeone = (i) => {\n          const id = group[i];\n          const instance = new TypeIt(`#${id}`, {\n            strings: this.data[id],\n            speed: speed,\n            lifeLike: true,\n            cursorSpeed: cursorSpeed,\n            cursorChar: cursorChar,\n            waitUntilVisible: true,\n            afterComplete: () => {\n              if (i === group.length - 1) {\n                if (typeitConfig.duration >= 0) window.setTimeout(() => {\n                  instance.destroy();\n                }, typeitConfig.duration);\n                return;\n              }\n              instance.destroy();\n              typeone(i + 1);\n            },\n          }).go();\n        };\n        typeone(0);\n      });\n    }\n  }\n\n  initComment() {\n    if (this.config.comment) {\n      if (this.config.comment.gitalk) {\n        this.config.comment.gitalk.body = decodeURI(window.location.href);\n        const gitalk = new Gitalk(this.config.comment.gitalk);\n        gitalk.render('gitalk');\n      }\n      if (this.config.comment.valine) new Valine(this.config.comment.valine);\n      if (this.config.comment.utterances) {\n        const utterancesConfig = this.config.comment.utterances;\n        const script = document.createElement('script');\n        script.src = 'https://utteranc.es/client.js';\n        script.type = 'text/javascript';\n        script.setAttribute('repo', utterancesConfig.repo);\n        script.setAttribute('issue-term', utterancesConfig.issueTerm);\n        if (utterancesConfig.label) script.setAttribute('label', utterancesConfig.label);\n        script.setAttribute('theme', this.isDark ? utterancesConfig.darkTheme : utterancesConfig.lightTheme);\n        script.crossOrigin = 'anonymous';\n        script.async = true;\n        document.getElementById('utterances').appendChild(script);\n        this._utterancesOnSwitchTheme = this._utterancesOnSwitchTheme || (() => {\n          const message = {\n            type: 'set-theme',\n            theme: this.isDark ? utterancesConfig.darkTheme : utterancesConfig.lightTheme,\n          };\n          const iframe = document.querySelector('.utterances-frame');\n          iframe.contentWindow.postMessage(message, 'https://utteranc.es');\n        });\n        this.switchThemeEventSet.add(this._utterancesOnSwitchTheme);\n      }\n    }\n  }\n\n  initCookieconsent() {\n    if (this.config.cookieconsent) cookieconsent.initialise(this.config.cookieconsent);\n  }\n\n  onScroll() {\n    const $headers = [];\n    if (document.body.getAttribute('header-desktop') === 'auto') $headers.push(document.getElementById('header-desktop'));\n    if (document.body.getAttribute('header-mobile') === 'auto') $headers.push(document.getElementById('header-mobile'));\n    if (document.getElementById('comments')) {\n      const $viewComments = document.getElementById('view-comments');\n      $viewComments.href = `#comments`;\n      $viewComments.style.display = 'block';\n    }\n    const $fixedButtons = document.getElementById('fixed-buttons');\n    const ACCURACY = 20, MINIMUM = 100;\n    window.addEventListener('scroll', () => {\n      this.newScrollTop = this.util.getScrollTop();\n      const scroll = this.newScrollTop - this.oldScrollTop;\n      const isMobile = this.util.isMobile();\n      this.util.forEach($headers, $header => {\n        if (scroll > ACCURACY) {\n          $header.classList.remove('fadeInDown');\n          this.util.animateCSS($header, ['fadeOutUp', 'faster'], true);\n        } else if (scroll < - ACCURACY) {\n          $header.classList.remove('fadeOutUp');\n          this.util.animateCSS($header, ['fadeInDown', 'faster'], true);\n        }\n      });\n      if (this.newScrollTop > MINIMUM) {\n        if (isMobile && scroll > ACCURACY) {\n          $fixedButtons.classList.remove('fadeIn');\n          this.util.animateCSS($fixedButtons, ['fadeOut', 'faster'], true);\n        } else if (!isMobile || scroll < - ACCURACY) {\n          $fixedButtons.style.display = 'block';\n          $fixedButtons.classList.remove('fadeOut');\n          this.util.animateCSS($fixedButtons, ['fadeIn', 'faster'], true);\n        }\n      } else {\n        if (!isMobile) {\n          $fixedButtons.classList.remove('fadeIn');\n          this.util.animateCSS($fixedButtons, ['fadeOut', 'faster'], true);\n        }\n        $fixedButtons.style.display = 'none';\n      }\n      for (let event of this.scrollEventSet) event();\n      this.oldScrollTop = this.newScrollTop;\n    }, false);\n  }\n\n  onResize() {\n    window.addEventListener('resize', () => {\n      if (!this._resizeTimeout) {\n        this._resizeTimeout = window.setTimeout(() => {\n          this._resizeTimeout = null;\n          for (let event of this.resizeEventSet) event();\n          this.initToc();\n          this.initMermaid();\n          this.initSearch();\n        }, 100);\n      }\n    }, false);\n  }\n\n  onClickMask() {\n    document.getElementById('mask').addEventListener('click', () => {\n      for (let event of this.clickMaskEventSet) event();\n      document.body.classList.remove('blur');\n    }, false);\n  }\n\n  init() {\n    try {\n      this.initSVGIcon();\n      this.initTwemoji();\n      this.initMenuMobile();\n      this.initSwitchTheme();\n      this.initSearch();\n      this.initDetails();\n      this.initLightGallery();\n      this.initHighlight();\n      this.initTable();\n      this.initHeaderLink();\n      this.initMath();\n      this.initMermaid();\n      this.initEcharts();\n      this.initTypeit();\n      this.initMapbox();\n      this.initCookieconsent();\n    } catch (err) {\n      console.error(err);\n    }\n\n    window.setTimeout(() => {\n      this.initToc();\n      this.initComment();\n\n      this.onScroll();\n      this.onResize();\n      this.onClickMask();\n    }, 100);\n  }\n}\n\nconst themeInit = () => {\n  const theme = new Theme();\n  theme.init();\n};\n\nif (document.readyState !== 'loading') {\n  themeInit();\n} else {\n  document.addEventListener('DOMContentLoaded', themeInit, false);\n}\n"]}
\ No newline at end of file
diff --git a/assets/lib/VERSION b/assets/lib/VERSION
index ff462392..4ef089e2 100644
--- a/assets/lib/VERSION
+++ b/assets/lib/VERSION
@@ -22,4 +22,5 @@ sharer.js@0.4.2 https://github.com/ellisonleao/sharer.js
 simple-icons@5.21.1 https://github.com/simple-icons/simple-icons
 twemoji@13.1.0 https://github.com/twitter/twemoji
 typeit@7.0.4 https://github.com/alexmacarthur/typeit
-valine@1.4.16 https://github.com/xCss/Valine
\ No newline at end of file
+valine@1.4.16 https://github.com/xCss/Valine
+watermark@1.0.2 https://github.com/Lruihao/watermark.git
\ No newline at end of file
diff --git a/assets/lib/watermark b/assets/lib/watermark
new file mode 160000
index 00000000..fb10592c
--- /dev/null
+++ b/assets/lib/watermark
@@ -0,0 +1 @@
+Subproject commit fb10592c9229d0ecf6153096fb4785ef01d0f623
diff --git a/exampleSite/config.toml b/exampleSite/config.toml
index df4403b8..dab9e808 100644
--- a/exampleSite/config.toml
+++ b/exampleSite/config.toml
@@ -4,14 +4,14 @@ baseURL = "https://example.com"
 defaultContentLanguage = "en"
 # theme
 # 主题
-theme = "LoveIt"
+theme = "FixIt"
 # themes directory
 # 主题目录
 themesDir = "../.."
 
 # website title
 # 网站标题
-title = "LoveIt"
+title = "FixIt"
 
 # whether to use robots.txt
 # 是否使用 robots.txt
@@ -88,18 +88,18 @@ enableEmoji = true
         pre = "<i class='fab fa-github fa-fw'></i>"
         post = ""
         name = ""
-        url = "https://github.com/dillonzq/LoveIt"
+        url = "https://github.com/Lruihao/FixIt"
         title = "GitHub"
         weight = 6
     [languages.en.params]
       # site description
-      description = "About LoveIt Theme"
+      description = "About FixIt Theme"
       # site keywords
       keywords = ["Theme", "Hugo"]
       # App icon config
       [languages.en.params.app]
         # optional site title override for the app when added to an iOS home screen or Android launcher
-        title = "LoveIt"
+        title = "FixIt"
         # whether to omit favicon resource links
         noFavicon = false
         # modern SVG favicon to use in place of older style .png and .ico files
@@ -290,18 +290,18 @@ enableEmoji = true
         pre = "<i class='fab fa-github fa-fw'></i>"
         post = ""
         name = ""
-        url = "https://github.com/dillonzq/LoveIt"
+        url = "https://github.com/Lruihao/FixIt"
         title = "GitHub"
         weight = 6
     [languages.zh-cn.params]
       # 网站描述
-      description = "关于 LoveIt 主题"
+      description = "关于 FixIt 主题"
       # 网站关键词
       keywords = ["Theme", "Hugo"]
       # 应用图标配置
       [languages.zh-cn.params.app]
         # 当添加到 iOS 主屏幕或者 Android 启动器时的标题, 覆盖默认标题
-        title = "LoveIt"
+        title = "FixIt"
         # 是否隐藏网站图标资源链接
         noFavicon = false
         # 更现代的 SVG 网站图标, 可替代旧的 .png 和 .ico 文件
@@ -488,18 +488,18 @@ enableEmoji = true
         pre = "<i class='fab fa-github fa-fw'></i>"
         post = ""
         name = ""
-        url = "https://github.com/dillonzq/LoveIt"
+        url = "https://github.com/Lruihao/FixIt"
         title = "GitHub"
         weight = 6
     [languages.fr.params]
       # site description
-      description = "À propos du thème LoveIt"
+      description = "À propos du thème FixIt"
       # site keywords
       keywords = ["Thème", "Hugo"]
       # App icon config
       [languages.fr.params.app]
         # optional site title override for the app when added to an iOS home screen or Android launcher
-        title = "LoveIt"
+        title = "FixIt"
         # whether to omit favicon resource links
         noFavicon = false
         # modern SVG favicon to use in place of older style .png and .ico files
@@ -564,7 +564,7 @@ enableEmoji = true
         GitHub = "xxxx"
         Linkedin = "xxxx"
         Twitter = "xxxx"
-        Instagram = ""
+        Instagram = "xxxx"
         Facebook = ""
         Telegram = ""
         Medium = ""
@@ -627,15 +627,15 @@ enableEmoji = true
         RSS = true
 
 [params]
-  # LoveIt theme version
-  # LoveIt 主题版本
+  # FixIt theme version
+  # FixIt 主题版本
   version = "0.2.X"
   # site default theme ("light", "dark", "auto")
   # 网站默认主题 ("light", "dark", "auto")
   defaultTheme = "auto"
   # public git repo url only then enableGitInfo is true
   # 公共 git 仓库路径，仅在 enableGitInfo 设为 true 时有效
-  gitRepo = "https://github.com/dillonzq/LoveIt"
+  gitRepo = "https://github.com/Lruihao/FixIt"
   # which hash function used for SRI, when empty, no SRI is used ("sha256", "sha384", "sha512", "md5")
   # 哪种哈希函数用来 SRI, 为空时表示不使用 SRI ("sha256", "sha384", "sha512", "md5")
   fingerprint = ""
@@ -645,8 +645,8 @@ enableEmoji = true
   # website images for Open Graph and Twitter Cards
   # 网站图片, 用于 Open Graph 和 Twitter Cards
   images = ["/logo.png"]
-  # enable PWA
-  # 开启 PWA 支持
+  # enable PWA since v0.2.12
+  # 开启 PWA 支持（>v0.2.12 版本）
   enablePWA = true
 
   # Header config
@@ -666,7 +666,7 @@ enableEmoji = true
       logo = ""
       # title name
       # 标题名称
-      name = "LoveIt"
+      name = "FixIt"
       # you can add extra information before the name (HTML format is supported), such as icons
       # 你可以在名称 (允许 HTML 格式) 之前添加其他信息, 例如图标
       pre = "<i class='far fa-kiss-wink-heart fa-fw'></i>"
@@ -887,15 +887,15 @@ enableEmoji = true
         recordIP = true
         highlight = true
         enableQQ = false
-        serverURLs = "https://leancloud.hugoloveit.com"
+        serverURLs = "https://leancloud.hugoFixIt.com"
         # emoji data file name, default is "google.yml"
         # ("apple.yml", "google.yml", "facebook.yml", "twitter.yml")
-        # located in "themes/LoveIt/assets/data/emoji/" directory
+        # located in "themes/FixIt/assets/data/emoji/" directory
         # you can store your own data files in the same path under your project:
         # "assets/data/emoji/"
         # emoji 数据文件名称, 默认是 "google.yml"
         # ("apple.yml", "google.yml", "facebook.yml", "twitter.yml")
-        # 位于 "themes/LoveIt/assets/data/emoji/" 目录
+        # 位于 "themes/FixIt/assets/data/emoji/" 目录
         # 可以在你的项目下相同路径存放你自己的数据文件:
         # "assets/data/emoji/"
         emoji = ""
@@ -973,6 +973,40 @@ enableEmoji = true
     # 打字结束之后光标的持续时间 (单位是毫秒, "-1" 代表无限大)
     duration = -1
 
+  # Watermark config since v0.2.12
+  # Detail config see https://github.com/Lruihao/watermark#readme
+  # 水印配置
+  # 详细参数见 https://github.com/Lruihao/watermark#readme
+  [params.watermark]
+    enable = true
+    # watermark's text
+    # 水印内容
+    content = 'Theme FixIt'
+    # watermark's transparency
+    # 水印透明度
+    opacity = 0.02
+    # parent of watermark's container
+    # 水印父节点
+    appendTo = '.wrapper>.main'
+    # watermark's width. unit: px
+    # 单水印宽度 单位：px
+    width = 150
+    # watermark's height. unit: px
+    # 单水印高度 单位：px
+    height = 20
+    # row spacing of watermarks. unit: px
+    # 水印行间距 单位：px
+    rowSpacing = 60
+    # col spacing of watermarks. unit: px
+    # 水印列间距 单位：px
+    colSpacing = 30
+    # watermark's tangent angle. unit: deg
+    # 水印旋转角度 单位：deg
+    rotate = 15
+    # watermark's fontSize. unit: rem
+    # 水印字体大小，单位：rem
+    fontSize = 0.85
+
   # Site verification code for Google/Bing/Yandex/Pinterest/Baidu
   # 网站验证代码，用于 Google/Bing/Yandex/Pinterest/Baidu
   [params.verification]
@@ -1025,15 +1059,15 @@ enableEmoji = true
   [params.cdn]
     # CDN data file name, disabled by default
     # ("jsdelivr.yml")
-    # located in "themes/LoveIt/assets/data/cdn/" directory
+    # located in "themes/FixIt/assets/data/cdn/" directory
     # you can store your own data files in the same path under your project:
     # "assets/data/cdn/"
     # CDN 数据文件名称, 默认不启用
     # ("jsdelivr.yml")
-    # 位于 "themes/LoveIt/assets/data/cdn/" 目录
+    # 位于 "themes/FixIt/assets/data/cdn/" 目录
     # 可以在你的项目下相同路径存放你自己的数据文件:
     # "assets/data/cdn/"
-    data = "jsdelivr.yml"
+    # data = "jsdelivr.yml"
 
   # Compatibility config
   # 兼容性设置
diff --git a/exampleSite/content/offline/index.md b/exampleSite/content/offline/index.md
new file mode 100644
index 00000000..7fedfd9c
--- /dev/null
+++ b/exampleSite/content/offline/index.md
@@ -0,0 +1,35 @@
+---
+title: "離線 (Offline)"
+comment: false
+---
+
+> 您沒有連接到 Internet，只有緩存的頁面可用。  
+> You are not connected to the Internet, only cached pages will be available.
+
+```bash
+    ███████    ███████████ ███████████ █████       █████ ██████   █████ ██████████
+  ███░░░░░███ ░░███░░░░░░█░░███░░░░░░█░░███       ░░███ ░░██████ ░░███ ░░███░░░░░█
+ ███     ░░███ ░███   █ ░  ░███   █ ░  ░███        ░███  ░███░███ ░███  ░███  █ ░ 
+░███      ░███ ░███████    ░███████    ░███        ░███  ░███░░███░███  ░██████   
+░███      ░███ ░███░░░█    ░███░░░█    ░███        ░███  ░███ ░░██████  ░███░░█   
+░░███     ███  ░███  ░     ░███  ░     ░███      █ ░███  ░███  ░░█████  ░███ ░   █
+ ░░░███████░   █████       █████       ███████████ █████ █████  ░░█████ ██████████
+   ░░░░░░░    ░░░░░       ░░░░░       ░░░░░░░░░░░ ░░░░░ ░░░░░    ░░░░░ ░░░░░░░░░░
+
+ ▒█████    █████▒ █████▒██▓     ██▓ ███▄    █ ▓█████ 
+▒██▒  ██▒▓██   ▒▓██   ▒▓██▒    ▓██▒ ██ ▀█   █ ▓█   ▀ 
+▒██░  ██▒▒████ ░▒████ ░▒██░    ▒██▒▓██  ▀█ ██▒▒███   
+▒██   ██░░▓█▒  ░░▓█▒  ░▒██░    ░██░▓██▒  ▐▌██▒▒▓█  ▄ 
+░ ████▓▒░░▒█░   ░▒█░   ░██████▒░██░▒██░   ▓██░░▒████▒
+░ ▒░▒░▒░  ▒ ░    ▒ ░   ░ ▒░▓  ░░▓  ░ ▒░   ▒ ▒ ░░ ▒░ ░
+  ░ ▒ ▒░  ░      ░     ░ ░ ▒  ░ ▒ ░░ ░░   ░ ▒░ ░ ░  ░
+░ ░ ░ ▒   ░ ░    ░ ░     ░ ░    ▒ ░   ░   ░ ░    ░   
+    ░ ░                    ░  ░ ░           ░    ░  ░
+
+████▄ ▄████  ▄████  █    ▄█    ▄   ▄███▄   
+█   █ █▀   ▀ █▀   ▀ █    ██     █  █▀   ▀  
+█   █ █▀▀    █▀▀    █    ██ ██   █ ██▄▄    
+▀████ █      █      ███▄ ▐█ █ █  █ █▄   ▄▀ 
+       █      █         ▀ ▐ █  █ █ ▀███▀   
+        ▀      ▀            █   ██         
+```
\ No newline at end of file
diff --git a/exampleSite/content/posts/theme-documentation-built-in-shortcodes/index.en.md b/exampleSite/content/posts/theme-documentation-built-in-shortcodes/index.en.md
index 9ddabed9..7222ddf1 100644
--- a/exampleSite/content/posts/theme-documentation-built-in-shortcodes/index.en.md
+++ b/exampleSite/content/posts/theme-documentation-built-in-shortcodes/index.en.md
@@ -107,7 +107,7 @@ The rendered output looks like this:
 </section>
 {{< /highlight >}}
 
-## 4 instagram
+## 4 instagram [Deprecated]
 
 [Documentation of `instagram`](https://gohugo.io/content-management/shortcodes#instagram)
 
@@ -119,8 +119,6 @@ Example `instagram` input:
 
 The rendered output looks like this:
 
-{{< instagram BWNjjyYFxVx hidecaption >}}
-
 ## 5 param
 
 [Documentation of `param`](https://gohugo.io/content-management/shortcodes#param)
diff --git a/exampleSite/content/posts/theme-documentation-built-in-shortcodes/index.fr.md b/exampleSite/content/posts/theme-documentation-built-in-shortcodes/index.fr.md
index fdb0bb19..48149f64 100644
--- a/exampleSite/content/posts/theme-documentation-built-in-shortcodes/index.fr.md
+++ b/exampleSite/content/posts/theme-documentation-built-in-shortcodes/index.fr.md
@@ -112,7 +112,7 @@ The rendered output looks like this:
 </section>
 {{< /highlight >}}
 
-## 4 instagram
+## 4 instagram [Deprecated]
 
 [Documentation of `instagram`](https://gohugo.io/content-management/shortcodes#instagram)
 
@@ -124,8 +124,6 @@ Example `instagram` input:
 
 The rendered output looks like this:
 
-{{< instagram BWNjjyYFxVx hidecaption >}}
-
 ## 5 param
 
 [Documentation of `param`](https://gohugo.io/content-management/shortcodes#param)
diff --git a/exampleSite/content/posts/theme-documentation-built-in-shortcodes/index.zh-cn.md b/exampleSite/content/posts/theme-documentation-built-in-shortcodes/index.zh-cn.md
index 66d275aa..5ab1e232 100644
--- a/exampleSite/content/posts/theme-documentation-built-in-shortcodes/index.zh-cn.md
+++ b/exampleSite/content/posts/theme-documentation-built-in-shortcodes/index.zh-cn.md
@@ -6,7 +6,7 @@ lastmod: 2020-03-04T16:29:59+08:00
 draft: false
 author: "Dillon"
 authorLink: "https://dillonzq.com"
-description: "Hugo 提供了多个内置的 Shortcodes, 以方便作者保持 Markdown 内容的整洁."
+description: "Hugo 提供了多个内置的 Shortcodes, 以方便作者保持 Markdown 内容的整洁。"
 resources:
 - name: "featured-image"
   src: "featured-image.png"
@@ -17,35 +17,35 @@ categories: ["documentation"]
 lightgallery: true
 ---
 
-**Hugo** 提供了多个内置的 Shortcodes, 以方便作者保持 Markdown 内容的整洁.
+**Hugo** 提供了多个内置的 Shortcodes, 以方便作者保持 Markdown 内容的整洁。
 
 <!--more-->
 
-Hugo 使用 Markdown 为其简单的内容格式. 但是, Markdown 在很多方面都无法很好地支持. 你可以使用纯 HTML 来扩展可能性.
+Hugo 使用 Markdown 为其简单的内容格式。但是，Markdown 在很多方面都无法很好地支持。你可以使用纯 HTML 来扩展可能性。
 
-但这恰好是一个坏主意. 大家使用 Markdown, 正是因为它即使不经过渲染也可以轻松阅读. 应该尽可能避免使用 HTML 以保持内容简洁.
+但这恰好是一个坏主意。大家使用 Markdown, 正是因为它即使不经过渲染也可以轻松阅读。应该尽可能避免使用 HTML 以保持内容简洁。
 
-为了避免这种限制, Hugo 创建了 [shortcodes](https://gohugo.io/extras/shortcodes/).
-shortcode 是一个简单代码段, 可以生成合理的 HTML 代码, 并且符合 Markdown 的设计哲学.
+为了避免这种限制，Hugo 创建了 [shortcodes](https://gohugo.io/extras/shortcodes/).
+shortcode 是一个简单代码段，可以生成合理的 HTML 代码，并且符合 Markdown 的设计哲学。
 
-Hugo 附带了一组预定义的 shortcodes, 它们实现了一些非常常见的用法.
-提供这些 shortcodes 是为了方便保持你的 Markdown 内容简洁.
+Hugo 附带了一组预定义的 shortcodes, 它们实现了一些非常常见的用法。
+提供这些 shortcodes 是为了方便保持你的 Markdown 内容简洁。
 
 ## 1 figure {#figure}
 
 [`figure` 的文档](https://gohugo.io/content-management/shortcodes#figure)
 
-一个 `figure` 示例:
+一个 `figure` 示例：
 
 ```markdown
 {{</* figure src="/images/lighthouse.jpg" title="Lighthouse (figure)" */>}}
 ```
 
-呈现的输出效果如下:
+呈现的输出效果如下：
 
 {{< figure src="/images/lighthouse.jpg" title="Lighthouse (figure)" >}}
 
-输出的 HTML 看起来像这样:
+输出的 HTML 看起来像这样：
 
 ```html
 <figure>
@@ -60,17 +60,17 @@ Hugo 附带了一组预定义的 shortcodes, 它们实现了一些非常常见
 
 [`gist` 的文档](https://gohugo.io/content-management/shortcodes#gist)
 
-一个 `gist` 示例:
+一个 `gist` 示例：
 
 ```markdown
 {{</* gist spf13 7896402 */>}}
 ```
 
-呈现的输出效果如下:
+呈现的输出效果如下：
 
 {{< gist spf13 7896402 >}}
 
-输出的 HTML 看起来像这样:
+输出的 HTML 看起来像这样：
 
 ```html
 <script type="application/javascript" src="https://gist.github.com/spf13/7896402.js"></script>
@@ -80,7 +80,7 @@ Hugo 附带了一组预定义的 shortcodes, 它们实现了一些非常常见
 
 [`highlight` 的文档](https://gohugo.io/content-management/shortcodes#instagram)
 
-一个 `highlight` 示例:
+一个 `highlight` 示例：
 
 ```markdown
 {{</* highlight html */>}}
@@ -95,7 +95,7 @@ Hugo 附带了一组预定义的 shortcodes, 它们实现了一些非常常见
 {{</* /highlight */>}}
 ```
 
-呈现的输出效果如下:
+呈现的输出效果如下：
 
 {{< highlight html >}}
 <section id="main">
@@ -108,31 +108,29 @@ Hugo 附带了一组预定义的 shortcodes, 它们实现了一些非常常见
 </section>
 {{< /highlight >}}
 
-## 4 instagram
+## 4 instagram [Deprecated]
 
 [`instagram` 的文档](https://gohugo.io/content-management/shortcodes#instagram)
 
-一个 `instagram` 示例:
+一个 `instagram` 示例：
 
 ```markdown
 {{</* instagram BWNjjyYFxVx hidecaption */>}}
 ```
 
-呈现的输出效果如下:
-
-{{< instagram BWNjjyYFxVx hidecaption >}}
+呈现的输出效果如下：
 
 ## 5 param
 
 [`param` 的文档](https://gohugo.io/content-management/shortcodes#param)
 
-一个 `param` 示例:
+一个 `param` 示例：
 
 ```markdown
 {{</* param description */>}}
 ```
 
-呈现的输出效果如下:
+呈现的输出效果如下：
 
 {{< param description >}}
 
@@ -144,13 +142,13 @@ Hugo 附带了一组预定义的 shortcodes, 它们实现了一些非常常见
 
 [`tweet` 的文档](https://gohugo.io/content-management/shortcodes#tweet)
 
-一个 `tweet` 示例:
+一个 `tweet` 示例：
 
 ```markdown
 {{</* tweet 877500564405444608 */>}}
 ```
 
-呈现的输出效果如下:
+呈现的输出效果如下：
 
 {{< tweet 877500564405444608 >}}
 
@@ -158,13 +156,13 @@ Hugo 附带了一组预定义的 shortcodes, 它们实现了一些非常常见
 
 [`vimeo` 的文档](https://gohugo.io/content-management/shortcodes#vimeo)
 
-一个 `vimeo` 示例:
+一个 `vimeo` 示例：
 
 ```markdown
 {{</* vimeo 146022717 */>}}
 ```
 
-呈现的输出效果如下:
+呈现的输出效果如下：
 
 {{< vimeo 146022717 >}}
 
@@ -172,12 +170,12 @@ Hugo 附带了一组预定义的 shortcodes, 它们实现了一些非常常见
 
 [`youtube` 的文档](https://gohugo.io/content-management/shortcodes#youtube)
 
-一个 `youtube` 示例:
+一个 `youtube` 示例：
 
 ```markdown
 {{</* youtube w7Ft2ymGmfc */>}}
 ```
 
-呈现的输出效果如下:
+呈现的输出效果如下：
 
 {{< youtube w7Ft2ymGmfc >}}
diff --git a/exampleSite/static/site.webmanifest b/exampleSite/static/site.webmanifest
index 73497a5c..e34f5f4f 100644
--- a/exampleSite/static/site.webmanifest
+++ b/exampleSite/static/site.webmanifest
@@ -1,19 +1,27 @@
 {
-    "name": "LoveIt",
-    "short_name": "LoveIt",
-    "icons": [
-        {
-            "src": "/android-chrome-192x192.png",
-            "sizes": "192x192",
-            "type": "image/png"
-        },
-        {
-            "src": "/android-chrome-512x512.png",
-            "sizes": "512x512",
-            "type": "image/png"
-        }
-    ],
-    "theme_color": "#ffffff",
-    "background_color": "#ffffff",
-    "display": "standalone"
+  "name": "FixIt",
+  "short_name": "FixIt",
+  "description": "A Clean, Elegant but Advanced Hugo Theme",
+  "icons": [
+    {
+      "src": "/apple-touch-icon.png",
+      "sizes": "180x180",
+      "type": "image/png",
+      "purpose": "any maskable"
+    },
+    {
+      "src": "/android-chrome-192x192.png",
+      "sizes": "192x192",
+      "type": "image/png"
+    },
+    {
+      "src": "/android-chrome-512x512.png",
+      "sizes": "512x512",
+      "type": "image/png"
+    }
+  ],
+  "theme_color": "#ffffff",
+  "background_color": "#ffffff",
+  "display": "standalone",
+  "start_url": "/"
 }
diff --git a/images/Apple-Devices-Preview.png b/images/Apple-Devices-Preview.png
index ac7709b3..56c7280f 100644
Binary files a/images/Apple-Devices-Preview.png and b/images/Apple-Devices-Preview.png differ
diff --git a/images/screenshot.png b/images/screenshot.png
new file mode 100644
index 00000000..169c06ed
Binary files /dev/null and b/images/screenshot.png differ
diff --git a/images/tn.png b/images/tn.png
new file mode 100644
index 00000000..15168754
Binary files /dev/null and b/images/tn.png differ
diff --git a/layouts/_default/baseof.html b/layouts/_default/baseof.html
index 6b4d91a7..59b46e8d 100644
--- a/layouts/_default/baseof.html
+++ b/layouts/_default/baseof.html
@@ -45,27 +45,6 @@
       </a>
     </div>
 
-    {{- /* PWA */ -}}
-    {{- if eq .Site.Params.enablePWA true -}}
-      {{- if eq hugo.Environment "production" -}}
-        <script type="text/javascript">
-          if ('serviceWorker' in navigator) {
-            navigator.serviceWorker
-              .register('/service-worker.min.js', { scope: '/' })
-              .then(function (registration) {
-                // console.log('Service Worker Registered');
-              })
-              .catch(function (error) {
-                console.error('error: ', error);
-              });
-            navigator.serviceWorker.ready.then(function (registration) {
-              // console.log('Service Worker Ready');
-            });
-          }
-        </script>
-      {{- end -}}
-    {{- end -}}
-
     {{- /* Load JavaScript scripts and CSS */ -}}
     {{- partial "assets.html" . -}}
   </body>
diff --git a/layouts/partials/assets.html b/layouts/partials/assets.html
index 57b9e5f4..548cd88f 100644
--- a/layouts/partials/assets.html
+++ b/layouts/partials/assets.html
@@ -5,29 +5,29 @@
 
 {{- /* Search */ -}}
 {{- if .Site.Params.search | and .Site.Params.search.enable -}}
-    {{- $search := .Site.Params.search -}}
-    {{- $source := $cdn.autocompleteJS | default "lib/autocomplete/autocomplete.min.js" -}}
-    {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
-    {{- $config = dict "maxResultLength" $search.maxResultLength "snippetLength" $search.snippetLength "highlightTag" $search.highlightTag "noResultsFound" (T "noResultsFound") | dict "search" | merge $config -}}
-    {{- if eq $search.type "lunr" -}}
-        {{- with .Site.Home.OutputFormats.Get "json" -}}
-            {{- $config = dict "type" "lunr" "lunrIndexURL" .RelPermalink | dict "search" | merge $config -}}
-        {{- end -}}
-        {{- $source := $cdn.lunrJS | default "lib/lunr/lunr.min.js" -}}
-        {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
-        {{- if T "lunrLanguageLib" -}}
-            {{- $config = T "lunrLanguageCode" | dict "lunrLanguageCode" | dict "search" | merge $config -}}
-            {{- with T "lunrSegmentitLib" -}}
-                {{- $config = dict "lunrSegmentitURL" (resources.Get .).RelPermalink | dict "search" | merge $config -}}
-            {{- end -}}
-            {{- dict "Source" "lib/lunr/lunr.stemmer.support.js" "Minify" true "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
-            {{- dict "Source" (T "lunrLanguageLib") "Minify" true "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
-        {{- end -}}
-    {{- else if eq $search.type "algolia" -}}
-        {{- $source := $cdn.algoliasearchJS | default "lib/algoliasearch/algoliasearch-lite.umd.min.js" -}}
-        {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
-        {{- $config = dict "type" "algolia" "algoliaIndex" $search.algolia.index "algoliaAppID" $search.algolia.appID "algoliaSearchKey" $search.algolia.searchKey | dict "search" | merge $config -}}
+  {{- $search := .Site.Params.search -}}
+  {{- $source := $cdn.autocompleteJS | default "lib/autocomplete/autocomplete.min.js" -}}
+  {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
+  {{- $config = dict "maxResultLength" $search.maxResultLength "snippetLength" $search.snippetLength "highlightTag" $search.highlightTag "noResultsFound" (T "noResultsFound") | dict "search" | merge $config -}}
+  {{- if eq $search.type "lunr" -}}
+    {{- with .Site.Home.OutputFormats.Get "json" -}}
+      {{- $config = dict "type" "lunr" "lunrIndexURL" .RelPermalink | dict "search" | merge $config -}}
     {{- end -}}
+    {{- $source := $cdn.lunrJS | default "lib/lunr/lunr.min.js" -}}
+    {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
+    {{- if T "lunrLanguageLib" -}}
+      {{- $config = T "lunrLanguageCode" | dict "lunrLanguageCode" | dict "search" | merge $config -}}
+      {{- with T "lunrSegmentitLib" -}}
+        {{- $config = dict "lunrSegmentitURL" (resources.Get .).RelPermalink | dict "search" | merge $config -}}
+      {{- end -}}
+      {{- dict "Source" "lib/lunr/lunr.stemmer.support.js" "Minify" true "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
+      {{- dict "Source" (T "lunrLanguageLib") "Minify" true "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
+    {{- end -}}
+  {{- else if eq $search.type "algolia" -}}
+    {{- $source := $cdn.algoliasearchJS | default "lib/algoliasearch/algoliasearch-lite.umd.min.js" -}}
+    {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
+    {{- $config = dict "type" "algolia" "algoliaIndex" $search.algolia.index "algoliaAppID" $search.algolia.appID "algoliaSearchKey" $search.algolia.searchKey | dict "search" | merge $config -}}
+  {{- end -}}
 {{- end -}}
 
 {{- /* lazysizes */ -}}
@@ -36,22 +36,22 @@
 
 {{- /* twemoji */ -}}
 {{- if $params.twemoji -}}
-    {{- $source := $cdn.twemojiJS | default "lib/twemoji/twemoji.min.js" -}}
-    {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
-    {{- $config = dict "twemoji" true | merge $config -}}
+  {{- $source := $cdn.twemojiJS | default "lib/twemoji/twemoji.min.js" -}}
+  {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
+  {{- $config = dict "twemoji" true | merge $config -}}
 {{- end -}}
 
 {{- /* lightgallery.js */ -}}
 {{- if $params.lightgallery -}}
-    {{- $source := $cdn.lightgalleryCSS | default "lib/lightgallery/lightgallery.min.css" -}}
-    {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/style.html" -}}
-    {{- $source := $cdn.lightgalleryJS | default "lib/lightgallery/lightgallery.min.js" -}}
-    {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
-    {{- $source := $cdn.lightgalleryThumbnailJS | default "lib/lightgallery/lg-thumbnail.min.js" -}}
-    {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
-    {{- $source := $cdn.lightgalleryZoomJS | default "lib/lightgallery/lg-zoom.min.js" -}}
-    {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
-    {{- $config = dict "selector" ".lightgallery" "speed" 400 "hideBarsDelay" 2000 "thumbnail" true "exThumbImage" "data-thumbnail" "thumbWidth" 80 "thumbContHeight" 80 "actualSize" false | dict "lightGallery" | merge $config -}}
+  {{- $source := $cdn.lightgalleryCSS | default "lib/lightgallery/lightgallery.min.css" -}}
+  {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/style.html" -}}
+  {{- $source := $cdn.lightgalleryJS | default "lib/lightgallery/lightgallery.min.js" -}}
+  {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
+  {{- $source := $cdn.lightgalleryThumbnailJS | default "lib/lightgallery/lg-thumbnail.min.js" -}}
+  {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
+  {{- $source := $cdn.lightgalleryZoomJS | default "lib/lightgallery/lg-zoom.min.js" -}}
+  {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
+  {{- $config = dict "selector" ".lightgallery" "speed" 400 "hideBarsDelay" 2000 "thumbnail" true "exThumbImage" "data-thumbnail" "thumbWidth" 80 "thumbContHeight" 80 "actualSize" false | dict "lightGallery" | merge $config -}}
 {{- end -}}
 
 {{- $code := $params.code | default dict -}}
@@ -59,126 +59,132 @@
 
 {{- /* clipboard.js */ -}}
 {{- if ne $code.copy false -}}
-    {{- $source := $cdn.clipboardJS | default "lib/clipboard/clipboard.min.js" -}}
-    {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
-    {{- $config = T "copyToClipboard" | dict "copyTitle" | dict "code" | merge $config -}}
+  {{- $source := $cdn.clipboardJS | default "lib/clipboard/clipboard.min.js" -}}
+  {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
+  {{- $config = T "copyToClipboard" | dict "copyTitle" | dict "code" | merge $config -}}
 {{- end -}}
 
 {{- /* Sharer.js */ -}}
 {{- if $params.share.enable -}}
-    {{- $source := $cdn.sharerJS | default "lib/sharer/sharer.min.js" -}}
-    {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
+  {{- $source := $cdn.sharerJS | default "lib/sharer/sharer.min.js" -}}
+  {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
 {{- end -}}
 
 {{- /* TypeIt */ -}}
 {{- with (.Scratch.Get "this").typeitMap -}}
-    {{- $typeit := $.Site.Params.typeit -}}
-    {{- $source := $cdn.typeitJS | default "lib/typeit/typeit.min.js" -}}
-    {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" $.Scratch "Data" | partial "scratch/script.html" -}}
-    {{- $config = dict "speed" $typeit.speed "cursorSpeed" $typeit.cursorSpeed "cursorChar" $typeit.cursorChar "duration" $typeit.duration "data" . | dict "typeit" | merge $config -}}
+  {{- $typeit := $.Site.Params.typeit -}}
+  {{- $source := $cdn.typeitJS | default "lib/typeit/typeit.min.js" -}}
+  {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" $.Scratch "Data" | partial "scratch/script.html" -}}
+  {{- $config = dict "speed" $typeit.speed "cursorSpeed" $typeit.cursorSpeed "cursorChar" $typeit.cursorChar "duration" $typeit.duration "data" . | dict "typeit" | merge $config -}}
 {{- end -}}
 
 {{- /* KaTeX */ -}}
 {{- $math := $params.math -}}
 {{- if eq $math true -}}
-    {{- $math = .Site.Params.page.math | default dict -}}
+  {{- $math = .Site.Params.page.math | default dict -}}
 {{- else if eq $math false -}}
-    {{- $math = dict "enable" false -}}
+  {{- $math = dict "enable" false -}}
 {{- end -}}
 {{- if $math.enable -}}
-    {{- $source := $cdn.katexCSS | default "lib/katex/katex.min.css" -}}
+  {{- $source := $cdn.katexCSS | default "lib/katex/katex.min.css" -}}
+  {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/style.html" -}}
+  {{- $source := $cdn.katexJS | default "lib/katex/katex.min.js" -}}
+  {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
+  {{- $source := $cdn.katexAutoRenderJS | default "lib/katex/auto-render.min.js" -}}
+  {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
+  {{- if $math.copyTex -}}
+    {{- $source := $cdn.katexCopyTexCSS | default "lib/katex/copy-tex.min.css" -}}
     {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/style.html" -}}
-    {{- $source := $cdn.katexJS | default "lib/katex/katex.min.js" -}}
+    {{- $source := $cdn.katexCopyTexJS | default "lib/katex/copy-tex.min.js" -}}
     {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
-    {{- $source := $cdn.katexAutoRenderJS | default "lib/katex/auto-render.min.js" -}}
+  {{- end -}}
+  {{- if $math.mhchem -}}
+    {{- $source := $cdn.katexMhchemJS | default "lib/katex/mhchem.min.js" -}}
     {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
-    {{- if $math.copyTex -}}
-        {{- $source := $cdn.katexCopyTexCSS | default "lib/katex/copy-tex.min.css" -}}
-        {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/style.html" -}}
-        {{- $source := $cdn.katexCopyTexJS | default "lib/katex/copy-tex.min.js" -}}
-        {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
-    {{- end -}}
-    {{- if $math.mhchem -}}
-        {{- $source := $cdn.katexMhchemJS | default "lib/katex/mhchem.min.js" -}}
-        {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
-    {{- end -}}
-    {{- $delimiters := slice (dict "left" "$$" "right" "$$" "display" true) (dict "left" "\\[" "right" "\\]" "display" true) -}}
-    {{- if and $math.blockLeftDelimiter $math.blockRightDelimiter -}}
-        {{- $delimiters = $delimiters | append (dict "left" $math.blockLeftDelimiter "right" $math.blockRightDelimiter "display" true) -}}
-    {{- end -}}
-    {{- $delimiters = $delimiters | append (dict "left" "$" "right" "$" "display" false) (dict "left" "\\(" "right" "\\)" "display" false) -}}
-    {{- if and $math.inlineLeftDelimiter $math.inlineRightDelimiter -}}
-        {{- $delimiters = $delimiters | append (dict "left" $math.inlineRightDelimiter "right" $math.inlineRightDelimiter "display" false) -}}
-    {{- end -}}
-    {{- $config = dict "strict" false "delimiters" $delimiters | dict "math" | merge $config -}}
+  {{- end -}}
+  {{- $delimiters := slice (dict "left" "$$" "right" "$$" "display" true) (dict "left" "\\[" "right" "\\]" "display" true) -}}
+  {{- if and $math.blockLeftDelimiter $math.blockRightDelimiter -}}
+    {{- $delimiters = $delimiters | append (dict "left" $math.blockLeftDelimiter "right" $math.blockRightDelimiter "display" true) -}}
+  {{- end -}}
+  {{- $delimiters = $delimiters | append (dict "left" "$" "right" "$" "display" false) (dict "left" "\\(" "right" "\\)" "display" false) -}}
+  {{- if and $math.inlineLeftDelimiter $math.inlineRightDelimiter -}}
+    {{- $delimiters = $delimiters | append (dict "left" $math.inlineRightDelimiter "right" $math.inlineRightDelimiter "display" false) -}}
+  {{- end -}}
+  {{- $config = dict "strict" false "delimiters" $delimiters | dict "math" | merge $config -}}
 {{- end -}}
 
 {{- /* mermaid */ -}}
 {{- if (.Scratch.Get "this").mermaid -}}
-    {{- $source := $cdn.mermaidJS | default "lib/mermaid/mermaid.min.js" -}}
-    {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
-    {{- $options := dict "targetPath" "lib/mermaid/mermaid.min.css" "enableSourceMap" true -}}
-    {{- dict "Source" "lib/mermaid/mermaid.scss" "ToCSS" $options "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/style.html" -}}
+  {{- $source := $cdn.mermaidJS | default "lib/mermaid/mermaid.min.js" -}}
+  {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
+  {{- $options := dict "targetPath" "lib/mermaid/mermaid.min.css" "enableSourceMap" true -}}
+  {{- dict "Source" "lib/mermaid/mermaid.scss" "ToCSS" $options "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/style.html" -}}
 {{- end -}}
 
 {{- /* ECharts */ -}}
 {{- if (.Scratch.Get "this").echarts -}}
-    {{- $source := $cdn.echartsJS | default "lib/echarts/echarts.min.js" -}}
-    {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
-    {{- $source := $cdn.echartsMacaronsJS | default "lib/echarts/macarons.js" -}}
-    {{- dict "Source" $source "Minify" true "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
+  {{- $source := $cdn.echartsJS | default "lib/echarts/echarts.min.js" -}}
+  {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
+  {{- $source := $cdn.echartsMacaronsJS | default "lib/echarts/macarons.js" -}}
+  {{- dict "Source" $source "Minify" true "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
 {{- end -}}
 
 {{- /* Mapbox GL */ -}}
 {{- if (.Scratch.Get "this").mapbox -}}
-    {{- $source := $cdn.mapboxGLCSS | default "lib/mapbox-gl/mapbox-gl.min.css" -}}
-    {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/style.html" -}}
-    {{- $source := $cdn.mapboxGLJS | default "lib/mapbox-gl/mapbox-gl.min.js" -}}
-    {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
-    {{- dict "Source" "lib/mapbox-gl/mapbox-gl-language.js" "Minify" true "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
-    {{- $config = dict "accessToken" $params.mapbox.accessToken "RTLTextPlugin" "https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-rtl-text/v0.2.0/mapbox-gl-rtl-text.js" | dict "mapbox" | merge $config -}}
+  {{- $source := $cdn.mapboxGLCSS | default "lib/mapbox-gl/mapbox-gl.min.css" -}}
+  {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/style.html" -}}
+  {{- $source := $cdn.mapboxGLJS | default "lib/mapbox-gl/mapbox-gl.min.js" -}}
+  {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
+  {{- dict "Source" "lib/mapbox-gl/mapbox-gl-language.js" "Minify" true "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
+  {{- $config = dict "accessToken" $params.mapbox.accessToken "RTLTextPlugin" "https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-rtl-text/v0.2.0/mapbox-gl-rtl-text.js" | dict "mapbox" | merge $config -}}
 {{- end -}}
 
 {{- /* Music */ -}}
 {{- if (.Scratch.Get "this").music -}}
-    {{- /* APlayer */ -}}
-    {{- $source := $cdn.aplayerCSS | default "lib/aplayer/APlayer.min.css" -}}
-    {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/style.html" -}}
-    {{- $options := dict "targetPath" "lib/aplayer/dark.min.css" "enableSourceMap" true -}}
-    {{- dict "Source" "lib/aplayer/dark.scss" "ToCSS" $options "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/style.html" -}}
-    {{- $source := $cdn.aplayerJS | default "lib/aplayer/APlayer.min.js" -}}
-    {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
+  {{- /* APlayer */ -}}
+  {{- $source := $cdn.aplayerCSS | default "lib/aplayer/APlayer.min.css" -}}
+  {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/style.html" -}}
+  {{- $options := dict "targetPath" "lib/aplayer/dark.min.css" "enableSourceMap" true -}}
+  {{- dict "Source" "lib/aplayer/dark.scss" "ToCSS" $options "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/style.html" -}}
+  {{- $source := $cdn.aplayerJS | default "lib/aplayer/APlayer.min.js" -}}
+  {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
 
-    {{- /* MetingJS */ -}}
-    {{- $source := $cdn.metingJS | default "lib/meting/Meting.min.js" -}}
-    {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
+  {{- /* MetingJS */ -}}
+  {{- $source := $cdn.metingJS | default "lib/meting/Meting.min.js" -}}
+  {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
 {{- end -}}
 
 {{- /* Cookie Consent */ -}}
 {{- if .Site.Params.cookieconsent | and .Site.Params.cookieconsent.enable -}}
-    {{- $source := $cdn.cookieconsentCSS | default "lib/cookieconsent/cookieconsent.min.css" -}}
-    {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/style.html" -}}
-    {{- $source := $cdn.cookieconsentJS | default "lib/cookieconsent/cookieconsent.min.js" -}}
-    {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
-    {{- $cookieconsentConfig := dict "popup" (dict "background" "#1aa3ff") "button" (dict "background" "#f0f0f0") | dict "theme" "edgeless" "palette" -}}
-    {{- $cookieconsentConfig = .Site.Params.cookieconsent | merge $cookieconsentConfig -}}
-    {{- $cookieconsentConfig = dict "message" ($cookieconsentConfig.content.message | default (T "cookieconsentMessage")) "dismiss" ($cookieconsentConfig.content.dismiss | default (T "cookieconsentDismiss")) "link" ($cookieconsentConfig.content.link | default (T "cookieconsentLink")) | dict "content" | merge $cookieconsentConfig -}}
-    {{- $config = $cookieconsentConfig | dict "cookieconsent" | merge $config -}}
+  {{- $source := $cdn.cookieconsentCSS | default "lib/cookieconsent/cookieconsent.min.css" -}}
+  {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/style.html" -}}
+  {{- $source := $cdn.cookieconsentJS | default "lib/cookieconsent/cookieconsent.min.js" -}}
+  {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
+  {{- $cookieconsentConfig := dict "popup" (dict "background" "#1aa3ff") "button" (dict "background" "#f0f0f0") | dict "theme" "edgeless" "palette" -}}
+  {{- $cookieconsentConfig = .Site.Params.cookieconsent | merge $cookieconsentConfig -}}
+  {{- $cookieconsentConfig = dict "message" ($cookieconsentConfig.content.message | default (T "cookieconsentMessage")) "dismiss" ($cookieconsentConfig.content.dismiss | default (T "cookieconsentDismiss")) "link" ($cookieconsentConfig.content.link | default (T "cookieconsentLink")) | dict "content" | merge $cookieconsentConfig -}}
+  {{- $config = $cookieconsentConfig | dict "cookieconsent" | merge $config -}}
+{{- end -}}
+
+{{- /* Watermark */ -}}
+{{- if eq .Site.Params.watermark.enable true -}}
+  {{- $source := "lib/watermark/watermark.min.js" -}}
+  {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/script.html" -}}
 {{- end -}}
 
 {{- range $params.library.css -}}
-    {{- dict "Source" . "Fingerprint" $fingerprint | dict "Scratch" $.Scratch "Data" | partial "scratch/style.html" -}}
+  {{- dict "Source" . "Fingerprint" $fingerprint | dict "Scratch" $.Scratch "Data" | partial "scratch/style.html" -}}
 {{- end -}}
 
 {{- range $params.library.js -}}
-    {{- dict "Source" . "Fingerprint" $fingerprint | dict "Scratch" $.Scratch "Data" | partial "scratch/script.html" -}}
+  {{- dict "Source" . "Fingerprint" $fingerprint | dict "Scratch" $.Scratch "Data" | partial "scratch/script.html" -}}
 {{- end -}}
 
 {{- with (.Scratch.Get "this").styleArr -}}
-    {{- $content := delimit . "" -}}
-    {{- $path := substr (md5 $content) 0 6 | printf "css/%v" -}}
-    {{- $options := printf "%v.min.css" $path | dict "targetPath" -}}
-    {{- dict "Content" $content "Path" (printf "%v.scss" $path) "ToCSS" $options | dict "Scratch" $.Scratch "Data" | partial "scratch/style.html" -}}
+  {{- $content := delimit . "" -}}
+  {{- $path := substr (md5 $content) 0 6 | printf "css/%v" -}}
+  {{- $options := printf "%v.min.css" $path | dict "targetPath" -}}
+  {{- dict "Content" $content "Path" (printf "%v.scss" $path) "ToCSS" $options | dict "Scratch" $.Scratch "Data" | partial "scratch/style.html" -}}
 {{- end -}}
 
 {{- /* Config script */ -}}
@@ -189,15 +195,52 @@
 {{- $_ := (resources.Get "js/theme.min.js.map").RelPermalink -}}
 
 {{- with (.Scratch.Get "this").scriptArr -}}
-    {{- delimit . "\n" | dict "Content" | dict "Scratch" $.Scratch "Data" | partial "scratch/script.html" -}}
+  {{- delimit . "\n" | dict "Content" | dict "Scratch" $.Scratch "Data" | partial "scratch/script.html" -}}
 {{- end -}}
 
 {{- range (.Scratch.Get "this").style -}}
-    {{- partial "plugin/style.html" . -}}
+  {{- partial "plugin/style.html" . -}}
 {{- end -}}
 
 {{- range (.Scratch.Get "this").script -}}
-    {{- partial "plugin/script.html" . -}}
+  {{- partial "plugin/script.html" . -}}
 {{- end -}}
 
 {{- partial "plugin/analytics.html" . -}}
+
+{{- /* Inline scripts */ -}}
+<script type="text/javascript">
+{{- /* PWA */ -}}
+{{- if eq .Site.Params.enablePWA true -}}
+  {{- if eq hugo.Environment "production" -}}
+    if ('serviceWorker' in navigator) {
+      navigator.serviceWorker
+        .register('/service-worker.min.js', { scope: '/' })
+        .then(function (registration) {
+          // console.log('Service Worker Registered');
+        })
+        .catch(function (error) {
+          console.error('error: ', error);
+        });
+      navigator.serviceWorker.ready.then(function (registration) {
+        // console.log('Service Worker Ready');
+      });
+    }
+  {{- end -}}
+{{- end -}}
+
+{{- /* Watermark */ -}}
+{{- if eq .Site.Params.watermark.enable true -}}
+  new Watermark({
+    content: {{ $.Site.Params.watermark.content }} || ' Theme FixIt',
+    appendTo: {{ $.Site.Params.watermark.appendTo }} || '.wrapper>.main',
+    opacity: {{ $.Site.Params.watermark.opacity }},
+    width: {{ $.Site.Params.watermark.width }},
+    height: {{ $.Site.Params.watermark.height }},
+    rowSpacing: {{ $.Site.Params.watermark.rowSpacing }},
+    colSpacing: {{ $.Site.Params.watermark.colSpacing }},
+    rotate: {{ $.Site.Params.watermark.rotate }},
+    fontSize: {{ $.Site.Params.watermark.fontSize }}
+  });
+{{- end -}}
+</script>
diff --git a/src/js/theme.js b/src/js/theme.js
index b3d894a3..f3d32569 100644
--- a/src/js/theme.js
+++ b/src/js/theme.js
@@ -1,737 +1,743 @@
 class Util {
-    forEach(elements, handler) {
-        elements = elements || [];
-        for (let i = 0; i < elements.length; i++) handler(elements[i]);
-    }
+  forEach(elements, handler) {
+    elements = elements || [];
+    for (let i = 0; i < elements.length; i++) handler(elements[i]);
+  }
 
-    getScrollTop() {
-        return (document.documentElement && document.documentElement.scrollTop) || document.body.scrollTop;
-    }
+  getScrollTop() {
+    return (document.documentElement && document.documentElement.scrollTop) || document.body.scrollTop;
+  }
 
-    isMobile() {
-        return window.matchMedia('only screen and (max-width: 680px)').matches;
-    }
+  isMobile() {
+    return window.matchMedia('only screen and (max-width: 680px)').matches;
+  }
 
-    isTocStatic() {
-        return window.matchMedia('only screen and (max-width: 960px)').matches;
-    }
+  isTocStatic() {
+    return window.matchMedia('only screen and (max-width: 960px)').matches;
+  }
 
-    animateCSS(element, animation, reserved, callback) {
-        if (!Array.isArray(animation)) animation = [animation];
-        element.classList.add('animated', ...animation);
-        const handler = () => {
-            element.classList.remove('animated', ...animation);
-            element.removeEventListener('animationend', handler);
-            if (typeof callback === 'function') callback();
-        };
-        if (!reserved) element.addEventListener('animationend', handler, false);
-    }
+  animateCSS(element, animation, reserved, callback) {
+    if (!Array.isArray(animation)) animation = [animation];
+    element.classList.add('animated', ...animation);
+    const handler = () => {
+      element.classList.remove('animated', ...animation);
+      element.removeEventListener('animationend', handler);
+      if (typeof callback === 'function') callback();
+    };
+    if (!reserved) element.addEventListener('animationend', handler, false);
+  }
 }
 
 class Theme {
-    constructor() {
-        this.config = window.config;
-        this.data = this.config.data;
-        this.isDark = document.body.getAttribute('theme') === 'dark';
-        this.util = new Util();
-        this.newScrollTop = this.util.getScrollTop();
-        this.oldScrollTop = this.newScrollTop;
-        this.scrollEventSet = new Set();
-        this.resizeEventSet = new Set();
-        this.switchThemeEventSet = new Set();
-        this.clickMaskEventSet = new Set();
-        if (window.objectFitImages) objectFitImages();
+  constructor() {
+    this.config = window.config;
+    this.data = this.config.data;
+    this.isDark = document.body.getAttribute('theme') === 'dark';
+    this.util = new Util();
+    this.newScrollTop = this.util.getScrollTop();
+    this.oldScrollTop = this.newScrollTop;
+    this.scrollEventSet = new Set();
+    this.resizeEventSet = new Set();
+    this.switchThemeEventSet = new Set();
+    this.clickMaskEventSet = new Set();
+    if (window.objectFitImages) objectFitImages();
+  }
+
+  initSVGIcon() {
+    this.util.forEach(document.querySelectorAll('[data-svg-src]'), $icon => {
+      fetch($icon.getAttribute('data-svg-src'))
+        .then(response => response.text())
+        .then(svg => {
+          const $temp = document.createElement('div');
+          $temp.insertAdjacentHTML('afterbegin', svg);
+          const $svg = $temp.firstChild;
+          $svg.setAttribute('data-svg-src', $icon.getAttribute('data-svg-src'));
+          $svg.classList.add('icon');
+          const $titleElements = $svg.getElementsByTagName('title');
+          if ($titleElements.length) $svg.removeChild($titleElements[0]);
+          $icon.parentElement.replaceChild($svg, $icon);
+        })
+        .catch(err => { console.error(err); });
+    });
+  }
+
+  initTwemoji() {
+    if (this.config.twemoji) twemoji.parse(document.body);
+  }
+
+  initMenuMobile() {
+    const $menuToggleMobile = document.getElementById('menu-toggle-mobile');
+    const $menuMobile = document.getElementById('menu-mobile');
+    $menuToggleMobile.addEventListener('click', () => {
+      document.body.classList.toggle('blur');
+      $menuToggleMobile.classList.toggle('active');
+      $menuMobile.classList.toggle('active');
+    }, false);
+    this._menuMobileOnClickMask = this._menuMobileOnClickMask || (() => {
+      $menuToggleMobile.classList.remove('active');
+      $menuMobile.classList.remove('active');
+    });
+    this.clickMaskEventSet.add(this._menuMobileOnClickMask);
+  }
+
+  initSwitchTheme() {
+    this.util.forEach(document.getElementsByClassName('theme-switch'), $themeSwitch => {
+      $themeSwitch.addEventListener('click', () => {
+        if (document.body.getAttribute('theme') === 'dark') document.body.setAttribute('theme', 'light');
+        else document.body.setAttribute('theme', 'dark');
+        this.isDark = !this.isDark;
+        window.localStorage && localStorage.setItem('theme', this.isDark ? 'dark' : 'light');
+        for (let event of this.switchThemeEventSet) event();
+      }, false);
+    });
+  }
+
+  initSearch() {
+    const searchConfig = this.config.search;
+    const isMobile = this.util.isMobile();
+    if (!searchConfig || isMobile && this._searchMobileOnce || !isMobile && this._searchDesktopOnce) return;
+
+    const maxResultLength = searchConfig.maxResultLength ? searchConfig.maxResultLength : 10;
+    const snippetLength = searchConfig.snippetLength ? searchConfig.snippetLength : 50;
+    const highlightTag = searchConfig.highlightTag ? searchConfig.highlightTag : 'em';
+
+    const suffix = isMobile ? 'mobile' : 'desktop';
+    const $header = document.getElementById(`header-${suffix}`);
+    const $searchInput = document.getElementById(`search-input-${suffix}`);
+    const $searchToggle = document.getElementById(`search-toggle-${suffix}`);
+    const $searchLoading = document.getElementById(`search-loading-${suffix}`);
+    const $searchClear = document.getElementById(`search-clear-${suffix}`);
+    if (isMobile) {
+      this._searchMobileOnce = true;
+      $searchInput.addEventListener('focus', () => {
+        document.body.classList.add('blur');
+        $header.classList.add('open');
+      }, false);
+      document.getElementById('search-cancel-mobile').addEventListener('click', () => {
+        $header.classList.remove('open');
+        document.body.classList.remove('blur');
+        document.getElementById('menu-toggle-mobile').classList.remove('active');
+        document.getElementById('menu-mobile').classList.remove('active');
+        $searchLoading.style.display = 'none';
+        $searchClear.style.display = 'none';
+        this._searchMobile && this._searchMobile.autocomplete.setVal('');
+      }, false);
+      $searchClear.addEventListener('click', () => {
+        $searchClear.style.display = 'none';
+        this._searchMobile && this._searchMobile.autocomplete.setVal('');
+      }, false);
+      this._searchMobileOnClickMask = this._searchMobileOnClickMask || (() => {
+        $header.classList.remove('open');
+        $searchLoading.style.display = 'none';
+        $searchClear.style.display = 'none';
+        this._searchMobile && this._searchMobile.autocomplete.setVal('');
+      });
+      this.clickMaskEventSet.add(this._searchMobileOnClickMask);
+    } else {
+      this._searchDesktopOnce = true;
+      $searchToggle.addEventListener('click', () => {
+        document.body.classList.add('blur');
+        $header.classList.add('open');
+        $searchInput.focus();
+      }, false);
+      $searchClear.addEventListener('click', () => {
+        $searchClear.style.display = 'none';
+        this._searchDesktop && this._searchDesktop.autocomplete.setVal('');
+      }, false);
+      this._searchDesktopOnClickMask = this._searchDesktopOnClickMask || (() => {
+        $header.classList.remove('open');
+        $searchLoading.style.display = 'none';
+        $searchClear.style.display = 'none';
+        this._searchDesktop && this._searchDesktop.autocomplete.setVal('');
+      });
+      this.clickMaskEventSet.add(this._searchDesktopOnClickMask);
     }
+    $searchInput.addEventListener('input', () => {
+      if ($searchInput.value === '') $searchClear.style.display = 'none';
+      else $searchClear.style.display = 'inline';
+    }, false);
 
-    initSVGIcon() {
-        this.util.forEach(document.querySelectorAll('[data-svg-src]'), $icon => {
-            fetch($icon.getAttribute('data-svg-src'))
-                .then(response => response.text())
-                .then(svg => {
-                    const $temp = document.createElement('div');
-                    $temp.insertAdjacentHTML('afterbegin', svg);
-                    const $svg = $temp.firstChild;
-                    $svg.setAttribute('data-svg-src', $icon.getAttribute('data-svg-src'));
-                    $svg.classList.add('icon');
-                    const $titleElements = $svg.getElementsByTagName('title');
-                    if ($titleElements.length) $svg.removeChild($titleElements[0]);
-                    $icon.parentElement.replaceChild($svg, $icon);
-                })
-                .catch(err => { console.error(err); });
-        });
-    }
-
-    initTwemoji() {
-        if (this.config.twemoji) twemoji.parse(document.body);
-    }
-
-    initMenuMobile() {
-        const $menuToggleMobile = document.getElementById('menu-toggle-mobile');
-        const $menuMobile = document.getElementById('menu-mobile');
-        $menuToggleMobile.addEventListener('click', () => {
-            document.body.classList.toggle('blur');
-            $menuToggleMobile.classList.toggle('active');
-            $menuMobile.classList.toggle('active');
-        }, false);
-        this._menuMobileOnClickMask = this._menuMobileOnClickMask || (() => {
-            $menuToggleMobile.classList.remove('active');
-            $menuMobile.classList.remove('active');
-        });
-        this.clickMaskEventSet.add(this._menuMobileOnClickMask);
-    }
-
-    initSwitchTheme() {
-        this.util.forEach(document.getElementsByClassName('theme-switch'), $themeSwitch => {
-            $themeSwitch.addEventListener('click', () => {
-                if (document.body.getAttribute('theme') === 'dark') document.body.setAttribute('theme', 'light');
-                else document.body.setAttribute('theme', 'dark');
-                this.isDark = !this.isDark;
-                window.localStorage && localStorage.setItem('theme', this.isDark ? 'dark' : 'light');
-                for (let event of this.switchThemeEventSet) event();
-            }, false);
-        });
-    }
-
-    initSearch() {
-        const searchConfig = this.config.search;
-        const isMobile = this.util.isMobile();
-        if (!searchConfig || isMobile && this._searchMobileOnce || !isMobile && this._searchDesktopOnce) return;
-
-        const maxResultLength = searchConfig.maxResultLength ? searchConfig.maxResultLength : 10;
-        const snippetLength = searchConfig.snippetLength ? searchConfig.snippetLength : 50;
-        const highlightTag = searchConfig.highlightTag ? searchConfig.highlightTag : 'em';
-
-        const suffix = isMobile ? 'mobile' : 'desktop';
-        const $header = document.getElementById(`header-${suffix}`);
-        const $searchInput = document.getElementById(`search-input-${suffix}`);
-        const $searchToggle = document.getElementById(`search-toggle-${suffix}`);
-        const $searchLoading = document.getElementById(`search-loading-${suffix}`);
-        const $searchClear = document.getElementById(`search-clear-${suffix}`);
-        if (isMobile) {
-            this._searchMobileOnce = true;
-            $searchInput.addEventListener('focus', () => {
-                document.body.classList.add('blur');
-                $header.classList.add('open');
-            }, false);
-            document.getElementById('search-cancel-mobile').addEventListener('click', () => {
-                $header.classList.remove('open');
-                document.body.classList.remove('blur');
-                document.getElementById('menu-toggle-mobile').classList.remove('active');
-                document.getElementById('menu-mobile').classList.remove('active');
-                $searchLoading.style.display = 'none';
-                $searchClear.style.display = 'none';
-                this._searchMobile && this._searchMobile.autocomplete.setVal('');
-            }, false);
-            $searchClear.addEventListener('click', () => {
-                $searchClear.style.display = 'none';
-                this._searchMobile && this._searchMobile.autocomplete.setVal('');
-            }, false);
-            this._searchMobileOnClickMask = this._searchMobileOnClickMask || (() => {
-                $header.classList.remove('open');
-                $searchLoading.style.display = 'none';
-                $searchClear.style.display = 'none';
-                this._searchMobile && this._searchMobile.autocomplete.setVal('');
-            });
-            this.clickMaskEventSet.add(this._searchMobileOnClickMask);
-        } else {
-            this._searchDesktopOnce = true;
-            $searchToggle.addEventListener('click', () => {
-                document.body.classList.add('blur');
-                $header.classList.add('open');
-                $searchInput.focus();
-            }, false);
-            $searchClear.addEventListener('click', () => {
-                $searchClear.style.display = 'none';
-                this._searchDesktop && this._searchDesktop.autocomplete.setVal('');
-            }, false);
-            this._searchDesktopOnClickMask = this._searchDesktopOnClickMask || (() => {
-                $header.classList.remove('open');
-                $searchLoading.style.display = 'none';
-                $searchClear.style.display = 'none';
-                this._searchDesktop && this._searchDesktop.autocomplete.setVal('');
-            });
-            this.clickMaskEventSet.add(this._searchDesktopOnClickMask);
-        }
-        $searchInput.addEventListener('input', () => {
-            if ($searchInput.value === '') $searchClear.style.display = 'none';
-            else $searchClear.style.display = 'inline';
-        }, false);
-
-        const initAutosearch = () => {
-            const autosearch = autocomplete(`#search-input-${suffix}`, {
-                hint: false,
-                autoselect: true,
-                dropdownMenuContainer: `#search-dropdown-${suffix}`,
-                clearOnSelected: true,
-                cssClasses: { noPrefix: true },
-                debug: true,
-            }, {
-                name: 'search',
-                source: (query, callback) => {
-                    $searchLoading.style.display = 'inline';
-                    $searchClear.style.display = 'none';
-                    const finish = (results) => {
-                        $searchLoading.style.display = 'none';
-                        $searchClear.style.display = 'inline';
-                        callback(results);
-                    };
-                    if (searchConfig.type === 'lunr') {
-                        const search = () => {
-                            if (lunr.queryHandler) query = lunr.queryHandler(query);
-                            const results = {};
-                            this._index.search(query).forEach(({ ref, matchData: { metadata } }) => {
-                                const matchData = this._indexData[ref];
-                                let { uri, title, content: context } = matchData;
-                                if (results[uri]) return;
-                                let position = 0;
-                                Object.values(metadata).forEach(({ content }) => {
-                                    if (content) {
-                                        const matchPosition = content.position[0][0];
-                                        if (matchPosition < position || position === 0) position = matchPosition;
-                                    }
-                                });
-                                position -= snippetLength / 5;
-                                if (position > 0) {
-                                    position += context.substr(position, 20).lastIndexOf(' ') + 1;
-                                    context = '...' + context.substr(position, snippetLength);
-                                } else {
-                                    context = context.substr(0, snippetLength);
-                                }
-                                Object.keys(metadata).forEach(key => {
-                                    title = title.replace(new RegExp(`(${key})`, 'gi'), `<${highlightTag}>$1</${highlightTag}>`);
-                                    context = context.replace(new RegExp(`(${key})`, 'gi'), `<${highlightTag}>$1</${highlightTag}>`);
-                                });
-                                results[uri] = {
-                                    'uri': uri,
-                                    'title' : title,
-                                    'date' : matchData.date,
-                                    'context' : context,
-                                };
-                            });
-                            return Object.values(results).slice(0, maxResultLength);
-                        }
-                        if (!this._index) {
-                            fetch(searchConfig.lunrIndexURL)
-                                .then(response => response.json())
-                                .then(data => {
-                                    const indexData = {};
-                                    this._index = lunr(function () {
-                                        if (searchConfig.lunrLanguageCode) this.use(lunr[searchConfig.lunrLanguageCode]);
-                                        this.ref('objectID');
-                                        this.field('title', { boost: 50 });
-                                        this.field('tags', { boost: 20 });
-                                        this.field('categories', { boost: 20 });
-                                        this.field('content', { boost: 10 });
-                                        this.metadataWhitelist = ['position'];
-                                        data.forEach((record) => {
-                                            indexData[record.objectID] = record;
-                                            this.add(record);
-                                        });
-                                    });
-                                    this._indexData = indexData;
-                                    finish(search());
-                                }).catch(err => {
-                                    console.error(err);
-                                    finish([]);
-                                });
-                        } else finish(search());
-                    } else if (searchConfig.type === 'algolia') {
-                        this._algoliaIndex = this._algoliaIndex || algoliasearch(searchConfig.algoliaAppID, searchConfig.algoliaSearchKey).initIndex(searchConfig.algoliaIndex);
-                        this._algoliaIndex
-                            .search(query, {
-                                offset: 0,
-                                length: maxResultLength * 8,
-                                attributesToHighlight: ['title'],
-                                attributesToSnippet: [`content:${snippetLength}`],
-                                highlightPreTag: `<${highlightTag}>`,
-                                highlightPostTag: `</${highlightTag}>`,
-                            })
-                            .then(({ hits }) => {
-                                const results = {};
-                                hits.forEach(({ uri, date, _highlightResult: { title }, _snippetResult: { content } }) => {
-                                    if (results[uri] && results[uri].context.length > content.value) return;
-                                    results[uri] = {
-                                        uri: uri,
-                                        title: title.value,
-                                        date: date,
-                                        context: content.value,
-                                    };
-                                });
-                                finish(Object.values(results).slice(0, maxResultLength));
-                            })
-                            .catch(err => {
-                                console.error(err);
-                                finish([]);
-                            });
-                    }
-                },
-                templates: {
-                    suggestion: ({ title, date, context }) => `<div><span class="suggestion-title">${title}</span><span class="suggestion-date">${date}</span></div><div class="suggestion-context">${context}</div>`,
-                    empty: ({ query }) => `<div class="search-empty">${searchConfig.noResultsFound}: <span class="search-query">"${query}"</span></div>`,
-                    footer: ({}) => {
-                        const { searchType, icon, href } = searchConfig.type === 'algolia' ? {
-                            searchType: 'algolia',
-                            icon: '<i class="fab fa-algolia fa-fw"></i>',
-                            href: 'https://www.algolia.com/',
-                        } : {
-                            searchType: 'Lunr.js',
-                            icon: '',
-                            href: 'https://lunrjs.com/',
-                        };
-                        return `<div class="search-footer">Search by <a href="${href}" rel="noopener noreffer" target="_blank">${icon} ${searchType}</a></div>`;},
-                },
-            });
-            autosearch.on('autocomplete:selected', (_event, suggestion, _dataset, _context) => {
-                window.location.assign(suggestion.uri);
-            });
-            if (isMobile) this._searchMobile = autosearch;
-            else this._searchDesktop = autosearch;
-        };
-        if (searchConfig.lunrSegmentitURL && !document.getElementById('lunr-segmentit')) {
-            const script = document.createElement('script');
-            script.id = 'lunr-segmentit';
-            script.type = 'text/javascript';
-            script.src = searchConfig.lunrSegmentitURL;
-            script.async = true;
-            if (script.readyState) {
-                script.onreadystatechange = () => {
-                    if (script.readyState == 'loaded' || script.readyState == 'complete'){
-                        script.onreadystatechange = null;
-                        initAutosearch();
-                    }
-                };
-            } else {
-                script.onload = () => {
-                    initAutosearch();
-                };
-            }
-            document.body.appendChild(script);
-        } else initAutosearch();
-    }
-
-    initDetails() {
-        this.util.forEach(document.getElementsByClassName('details'), $details => {
-            const $summary = $details.getElementsByClassName('details-summary')[0];
-            $summary.addEventListener('click', () => {
-                $details.classList.toggle('open');
-            }, false);
-        });
-    }
-
-    initLightGallery() {
-        if (this.config.lightGallery) lightGallery(document.getElementById('content'), this.config.lightGallery);
-    }
-
-    initHighlight() {
-        this.util.forEach(document.querySelectorAll('.highlight > pre.chroma'), $preChroma => {
-            const $chroma = document.createElement('div');
-            $chroma.className = $preChroma.className;
-            const $table = document.createElement('table');
-            $chroma.appendChild($table);
-            const $tbody = document.createElement('tbody');
-            $table.appendChild($tbody);
-            const $tr = document.createElement('tr');
-            $tbody.appendChild($tr);
-            const $td = document.createElement('td');
-            $tr.appendChild($td);
-            $preChroma.parentElement.replaceChild($chroma, $preChroma);
-            $td.appendChild($preChroma);
-        });
-        this.util.forEach(document.querySelectorAll('.highlight > .chroma'), $chroma => {
-            const $codeElements = $chroma.querySelectorAll('pre.chroma > code');
-            if ($codeElements.length) {
-                const $code = $codeElements[$codeElements.length - 1];
-                const $header = document.createElement('div');
-                $header.className = 'code-header ' + $code.className.toLowerCase();
-                const $title = document.createElement('span');
-                $title.classList.add('code-title');
-                $title.insertAdjacentHTML('afterbegin', '<i class="arrow fas fa-chevron-right fa-fw"></i>');
-                $title.addEventListener('click', () => {
-                    $chroma.classList.toggle('open');
-                }, false);
-                $header.appendChild($title);
-                const $ellipses = document.createElement('span');
-                $ellipses.insertAdjacentHTML('afterbegin', '<i class="fas fa-ellipsis-h fa-fw"></i>');
-                $ellipses.classList.add('ellipses');
-                $ellipses.addEventListener('click', () => {
-                    $chroma.classList.add('open');
-                }, false);
-                $header.appendChild($ellipses);
-                const $copy = document.createElement('span');
-                $copy.insertAdjacentHTML('afterbegin', '<i class="far fa-copy fa-fw"></i>');
-                $copy.classList.add('copy');
-                const code = $code.innerText;
-                if (this.config.code.maxShownLines < 0 || code.split('\n').length < this.config.code.maxShownLines + 2) $chroma.classList.add('open');
-                if (this.config.code.copyTitle) {
-                    $copy.setAttribute('data-clipboard-text', code);
-                    $copy.title = this.config.code.copyTitle;
-                    const clipboard = new ClipboardJS($copy);
-                    clipboard.on('success', _e => {
-                        this.util.animateCSS($code, 'flash');
-                    });
-                    $header.appendChild($copy);
-                }
-                $chroma.insertBefore($header, $chroma.firstChild);
-            }
-        });
-    }
-
-    initTable() {
-        this.util.forEach(document.querySelectorAll('.content table'), $table => {
-            const $wrapper = document.createElement('div');
-            $wrapper.className = 'table-wrapper';
-            $table.parentElement.replaceChild($wrapper, $table);
-            $wrapper.appendChild($table);
-        });
-    }
-
-    initHeaderLink() {
-        for (let num = 1; num <= 6; num++) {
-            this.util.forEach(document.querySelectorAll('.single .content > h' + num), $header => {
-                $header.classList.add('headerLink');
-                $header.insertAdjacentHTML('afterbegin', `<a href="#${$header.id}" class="header-mark"></a>`);
-            });
-        }
-    }
-
-    initToc() {
-        const $tocCore = document.getElementById('TableOfContents');
-        if ($tocCore === null) return;
-        if (document.getElementById('toc-static').getAttribute('kept') || this.util.isTocStatic()) {
-            const $tocContentStatic = document.getElementById('toc-content-static');
-            if ($tocCore.parentElement !== $tocContentStatic) {
-                $tocCore.parentElement.removeChild($tocCore);
-                $tocContentStatic.appendChild($tocCore);
-            }
-            if (this._tocOnScroll) this.scrollEventSet.delete(this._tocOnScroll);
-        } else {
-            const $tocContentAuto = document.getElementById('toc-content-auto');
-            if ($tocCore.parentElement !== $tocContentAuto) {
-                $tocCore.parentElement.removeChild($tocCore);
-                $tocContentAuto.appendChild($tocCore);
-            }
-            const $toc = document.getElementById('toc-auto');
-            const $page = document.getElementsByClassName('page')[0];
-            const rect = $page.getBoundingClientRect();
-            $toc.style.left = `${rect.left + rect.width + 20}px`;
-            $toc.style.maxWidth = `${$page.getBoundingClientRect().left - 20}px`;
-            $toc.style.visibility = 'visible';
-            const $tocLinkElements = $tocCore.querySelectorAll('a:first-child');
-            const $tocLiElements = $tocCore.getElementsByTagName('li');
-            const $headerLinkElements = document.getElementsByClassName('headerLink');
-            const headerIsFixed = document.body.getAttribute('header-desktop') !== 'normal';
-            const headerHeight = document.getElementById('header-desktop').offsetHeight;
-            const TOP_SPACING = 20 + (headerIsFixed ? headerHeight : 0);
-            const minTocTop = $toc.offsetTop;
-            const minScrollTop = minTocTop - TOP_SPACING + (headerIsFixed ? 0 : headerHeight);
-            this._tocOnScroll = this._tocOnScroll || (() => {
-                const footerTop = document.getElementById('post-footer').offsetTop;
-                const maxTocTop = footerTop - $toc.getBoundingClientRect().height;
-                const maxScrollTop = maxTocTop - TOP_SPACING + (headerIsFixed ? 0 : headerHeight);
-                if (this.newScrollTop < minScrollTop) {
-                    $toc.style.position = 'absolute';
-                    $toc.style.top = `${minTocTop}px`;
-                } else if (this.newScrollTop > maxScrollTop) {
-                    $toc.style.position = 'absolute';
-                    $toc.style.top = `${maxTocTop}px`;
+    const initAutosearch = () => {
+      const autosearch = autocomplete(`#search-input-${suffix}`, {
+        hint: false,
+        autoselect: true,
+        dropdownMenuContainer: `#search-dropdown-${suffix}`,
+        clearOnSelected: true,
+        cssClasses: { noPrefix: true },
+        debug: true,
+      }, {
+        name: 'search',
+        source: (query, callback) => {
+          $searchLoading.style.display = 'inline';
+          $searchClear.style.display = 'none';
+          const finish = (results) => {
+            $searchLoading.style.display = 'none';
+            $searchClear.style.display = 'inline';
+            callback(results);
+          };
+          if (searchConfig.type === 'lunr') {
+            const search = () => {
+              if (lunr.queryHandler) query = lunr.queryHandler(query);
+              const results = {};
+              this._index.search(query).forEach(({ ref, matchData: { metadata } }) => {
+                const matchData = this._indexData[ref];
+                let { uri, title, content: context } = matchData;
+                if (results[uri]) return;
+                let position = 0;
+                Object.values(metadata).forEach(({ content }) => {
+                  if (content) {
+                    const matchPosition = content.position[0][0];
+                    if (matchPosition < position || position === 0) position = matchPosition;
+                  }
+                });
+                position -= snippetLength / 5;
+                if (position > 0) {
+                  position += context.substr(position, 20).lastIndexOf(' ') + 1;
+                  context = '...' + context.substr(position, snippetLength);
                 } else {
-                    $toc.style.position = 'fixed';
-                    $toc.style.top = `${TOP_SPACING}px`;
+                  context = context.substr(0, snippetLength);
                 }
-
-                this.util.forEach($tocLinkElements, $tocLink => { $tocLink.classList.remove('active'); });
-                this.util.forEach($tocLiElements, $tocLi => { $tocLi.classList.remove('has-active'); });
-                const INDEX_SPACING = 20 + (headerIsFixed ? headerHeight : 0);
-                let activeTocIndex = $headerLinkElements.length - 1;
-                for (let i = 0; i < $headerLinkElements.length - 1; i++) {
-                    const thisTop = $headerLinkElements[i].getBoundingClientRect().top;
-                    const nextTop = $headerLinkElements[i + 1].getBoundingClientRect().top;
-                    if ((i == 0 && thisTop > INDEX_SPACING)
-                     || (thisTop <= INDEX_SPACING && nextTop > INDEX_SPACING)) {
-                        activeTocIndex = i;
-                        break;
-                    }
-                }
-                if (activeTocIndex !== -1) {
-                    $tocLinkElements[activeTocIndex].classList.add('active');
-                    let $parent = $tocLinkElements[activeTocIndex].parentElement;
-                    while ($parent !== $tocCore) {
-                        $parent.classList.add('has-active');
-                        $parent = $parent.parentElement.parentElement;
-                    }
-                }
-            });
-            this._tocOnScroll();
-            this.scrollEventSet.add(this._tocOnScroll);
-        }
-    }
-
-    initMath() {
-        if (this.config.math) renderMathInElement(document.body, this.config.math);
-    }
-
-    initMermaid() {
-        const $mermaidElements = document.getElementsByClassName('mermaid');
-        if ($mermaidElements.length) {
-            mermaid.initialize({startOnLoad: false, theme: 'null'});
-            this.util.forEach($mermaidElements, $mermaid => {
-                mermaid.mermaidAPI.render('svg-' + $mermaid.id, this.data[$mermaid.id], svgCode => {
-                    $mermaid.insertAdjacentHTML('afterbegin', svgCode);
-                }, $mermaid);
-            });
-        }
-    }
-
-    initEcharts() {
-        this._echartsOnSwitchTheme = this._echartsOnSwitchTheme || (() => {
-            this._echartsArr = this._echartsArr || [];
-            for (let i = 0; i < this._echartsArr.length; i++) {
-                this._echartsArr[i].dispose();
-            }
-            this._echartsArr = [];
-            this.util.forEach(document.getElementsByClassName('echarts'), $echarts => {
-                const chart = echarts.init($echarts, this.isDark ? 'dark' : 'macarons', {renderer: 'svg'});
-                chart.setOption(JSON.parse(this.data[$echarts.id]));
-                this._echartsArr.push(chart);
-            });
-        });
-        this.switchThemeEventSet.add(this._echartsOnSwitchTheme);
-        this._echartsOnSwitchTheme();
-        this._echartsOnResize = this._echartsOnResize || (() => {
-            for (let i = 0; i < this._echartsArr.length; i++) {
-                this._echartsArr[i].resize();
-            }
-        });
-        this.resizeEventSet.add(this._echartsOnResize);
-    }
-
-    initMapbox() {
-        if (this.config.mapbox) {
-            mapboxgl.accessToken = this.config.mapbox.accessToken;
-            mapboxgl.setRTLTextPlugin(this.config.mapbox.RTLTextPlugin);
-            this._mapboxArr = this._mapboxArr || [];
-            this.util.forEach(document.getElementsByClassName('mapbox'), $mapbox => {
-                const { lng, lat, zoom, lightStyle, darkStyle, marked, navigation, geolocate, scale, fullscreen } = this.data[$mapbox.id];
-                const mapbox = new mapboxgl.Map({
-                    container: $mapbox,
-                    center: [lng, lat],
-                    zoom: zoom,
-                    minZoom: .2,
-                    style: this.isDark ? darkStyle : lightStyle,
-                    attributionControl: false,
+                Object.keys(metadata).forEach(key => {
+                  title = title.replace(new RegExp(`(${key})`, 'gi'), `<${highlightTag}>$1</${highlightTag}>`);
+                  context = context.replace(new RegExp(`(${key})`, 'gi'), `<${highlightTag}>$1</${highlightTag}>`);
                 });
-                if (marked) {
-                    new mapboxgl.Marker().setLngLat([lng, lat]).addTo(mapbox);
-                }
-                if (navigation) {
-                    mapbox.addControl(new mapboxgl.NavigationControl(), 'bottom-right');
-                }
-                if (geolocate) {
-                    mapbox.addControl(new mapboxgl.GeolocateControl({
-                        positionOptions: {
-                            enableHighAccuracy: true,
-                        },
-                        showUserLocation: true,
-                        trackUserLocation: true,
-                    }), 'bottom-right');
-                }
-                if (scale) {
-                    mapbox.addControl(new mapboxgl.ScaleControl());
-                }
-                if (fullscreen) {
-                    mapbox.addControl(new mapboxgl.FullscreenControl());
-                }
-                mapbox.addControl(new MapboxLanguage());
-                this._mapboxArr.push(mapbox);
-            });
-            this._mapboxOnSwitchTheme = this._mapboxOnSwitchTheme || (() => {
-                this.util.forEach(this._mapboxArr, mapbox => {
-                    const $mapbox = mapbox.getContainer();
-                    const { lightStyle, darkStyle } = this.data[$mapbox.id];
-                    mapbox.setStyle(this.isDark ? darkStyle : lightStyle);
-                    mapbox.addControl(new MapboxLanguage());
-                });
-            });
-            this.switchThemeEventSet.add(this._mapboxOnSwitchTheme);
-        }
-    }
-
-    initTypeit() {
-        if (this.config.typeit) {
-            const typeitConfig = this.config.typeit;
-            const speed = typeitConfig.speed ? typeitConfig.speed : 100;
-            const cursorSpeed = typeitConfig.cursorSpeed ? typeitConfig.cursorSpeed : 1000;
-            const cursorChar = typeitConfig.cursorChar ? typeitConfig.cursorChar : '|';
-            Object.values(typeitConfig.data).forEach(group => {
-                const typeone = (i) => {
-                    const id = group[i];
-                    const instance = new TypeIt(`#${id}`, {
-                        strings: this.data[id],
-                        speed: speed,
-                        lifeLike: true,
-                        cursorSpeed: cursorSpeed,
-                        cursorChar: cursorChar,
-                        waitUntilVisible: true,
-                        afterComplete: () => {
-                            if (i === group.length - 1) {
-                                if (typeitConfig.duration >= 0) window.setTimeout(() => {
-                                    instance.destroy();
-                                }, typeitConfig.duration);
-                                return;
-                            }
-                            instance.destroy();
-                            typeone(i + 1);
-                        },
-                    }).go();
+                results[uri] = {
+                  'uri': uri,
+                  'title' : title,
+                  'date' : matchData.date,
+                  'context' : context,
                 };
-                typeone(0);
-            });
-        }
-    }
-
-    initComment() {
-        if (this.config.comment) {
-            if (this.config.comment.gitalk) {
-                this.config.comment.gitalk.body = decodeURI(window.location.href);
-                const gitalk = new Gitalk(this.config.comment.gitalk);
-                gitalk.render('gitalk');
+              });
+              return Object.values(results).slice(0, maxResultLength);
             }
-            if (this.config.comment.valine) new Valine(this.config.comment.valine);
-            if (this.config.comment.utterances) {
-                const utterancesConfig = this.config.comment.utterances;
-                const script = document.createElement('script');
-                script.src = 'https://utteranc.es/client.js';
-                script.type = 'text/javascript';
-                script.setAttribute('repo', utterancesConfig.repo);
-                script.setAttribute('issue-term', utterancesConfig.issueTerm);
-                if (utterancesConfig.label) script.setAttribute('label', utterancesConfig.label);
-                script.setAttribute('theme', this.isDark ? utterancesConfig.darkTheme : utterancesConfig.lightTheme);
-                script.crossOrigin = 'anonymous';
-                script.async = true;
-                document.getElementById('utterances').appendChild(script);
-                this._utterancesOnSwitchTheme = this._utterancesOnSwitchTheme || (() => {
-                    const message = {
-                        type: 'set-theme',
-                        theme: this.isDark ? utterancesConfig.darkTheme : utterancesConfig.lightTheme,
-                    };
-                    const iframe = document.querySelector('.utterances-frame');
-                    iframe.contentWindow.postMessage(message, 'https://utteranc.es');
+            if (!this._index) {
+              fetch(searchConfig.lunrIndexURL)
+                .then(response => response.json())
+                .then(data => {
+                  const indexData = {};
+                  this._index = lunr(function () {
+                    if (searchConfig.lunrLanguageCode) this.use(lunr[searchConfig.lunrLanguageCode]);
+                    this.ref('objectID');
+                    this.field('title', { boost: 50 });
+                    this.field('tags', { boost: 20 });
+                    this.field('categories', { boost: 20 });
+                    this.field('content', { boost: 10 });
+                    this.metadataWhitelist = ['position'];
+                    data.forEach((record) => {
+                      indexData[record.objectID] = record;
+                      this.add(record);
+                    });
+                  });
+                  this._indexData = indexData;
+                  finish(search());
+                }).catch(err => {
+                  console.error(err);
+                  finish([]);
                 });
-                this.switchThemeEventSet.add(this._utterancesOnSwitchTheme);
-            }
+            } else finish(search());
+          } else if (searchConfig.type === 'algolia') {
+            this._algoliaIndex = this._algoliaIndex || algoliasearch(searchConfig.algoliaAppID, searchConfig.algoliaSearchKey).initIndex(searchConfig.algoliaIndex);
+            this._algoliaIndex
+              .search(query, {
+                offset: 0,
+                length: maxResultLength * 8,
+                attributesToHighlight: ['title'],
+                attributesToSnippet: [`content:${snippetLength}`],
+                highlightPreTag: `<${highlightTag}>`,
+                highlightPostTag: `</${highlightTag}>`,
+              })
+              .then(({ hits }) => {
+                const results = {};
+                hits.forEach(({ uri, date, _highlightResult: { title }, _snippetResult: { content } }) => {
+                  if (results[uri] && results[uri].context.length > content.value) return;
+                  results[uri] = {
+                    uri: uri,
+                    title: title.value,
+                    date: date,
+                    context: content.value,
+                  };
+                });
+                finish(Object.values(results).slice(0, maxResultLength));
+              })
+              .catch(err => {
+                console.error(err);
+                finish([]);
+              });
+          }
+        },
+        templates: {
+          suggestion: ({ title, date, context }) => `<div><span class="suggestion-title">${title}</span><span class="suggestion-date">${date}</span></div><div class="suggestion-context">${context}</div>`,
+          empty: ({ query }) => `<div class="search-empty">${searchConfig.noResultsFound}: <span class="search-query">"${query}"</span></div>`,
+          footer: ({}) => {
+            const { searchType, icon, href } = searchConfig.type === 'algolia' ? {
+              searchType: 'algolia',
+              icon: '<i class="fab fa-algolia fa-fw"></i>',
+              href: 'https://www.algolia.com/',
+            } : {
+              searchType: 'Lunr.js',
+              icon: '',
+              href: 'https://lunrjs.com/',
+            };
+            return `<div class="search-footer">Search by <a href="${href}" rel="noopener noreffer" target="_blank">${icon} ${searchType}</a></div>`;},
+        },
+      });
+      autosearch.on('autocomplete:selected', (_event, suggestion, _dataset, _context) => {
+        window.location.assign(suggestion.uri);
+      });
+      if (isMobile) this._searchMobile = autosearch;
+      else this._searchDesktop = autosearch;
+    };
+    if (searchConfig.lunrSegmentitURL && !document.getElementById('lunr-segmentit')) {
+      const script = document.createElement('script');
+      script.id = 'lunr-segmentit';
+      script.type = 'text/javascript';
+      script.src = searchConfig.lunrSegmentitURL;
+      script.async = true;
+      if (script.readyState) {
+        script.onreadystatechange = () => {
+          if (script.readyState == 'loaded' || script.readyState == 'complete'){
+            script.onreadystatechange = null;
+            initAutosearch();
+          }
+        };
+      } else {
+        script.onload = () => {
+          initAutosearch();
+        };
+      }
+      document.body.appendChild(script);
+    } else initAutosearch();
+  }
+
+  initDetails() {
+    this.util.forEach(document.getElementsByClassName('details'), $details => {
+      const $summary = $details.getElementsByClassName('details-summary')[0];
+      $summary.addEventListener('click', () => {
+        $details.classList.toggle('open');
+      }, false);
+    });
+  }
+
+  initLightGallery() {
+    if (this.config.lightGallery) lightGallery(document.getElementById('content'), this.config.lightGallery);
+  }
+
+  initHighlight() {
+    this.util.forEach(document.querySelectorAll('.highlight > pre.chroma'), $preChroma => {
+      const $chroma = document.createElement('div');
+      $chroma.className = $preChroma.className;
+      const $table = document.createElement('table');
+      $chroma.appendChild($table);
+      const $tbody = document.createElement('tbody');
+      $table.appendChild($tbody);
+      const $tr = document.createElement('tr');
+      $tbody.appendChild($tr);
+      const $td = document.createElement('td');
+      $tr.appendChild($td);
+      $preChroma.parentElement.replaceChild($chroma, $preChroma);
+      $td.appendChild($preChroma);
+    });
+    this.util.forEach(document.querySelectorAll('.highlight > .chroma'), $chroma => {
+      const $codeElements = $chroma.querySelectorAll('pre.chroma > code');
+      if ($codeElements.length) {
+        const $code = $codeElements[$codeElements.length - 1];
+        const $header = document.createElement('div');
+        $header.className = 'code-header ' + $code.className.toLowerCase();
+        const $title = document.createElement('span');
+        $title.classList.add('code-title');
+        $title.insertAdjacentHTML('afterbegin', '<i class="arrow fas fa-chevron-right fa-fw"></i>');
+        $title.addEventListener('click', () => {
+          $chroma.classList.toggle('open');
+        }, false);
+        $header.appendChild($title);
+        const $ellipses = document.createElement('span');
+        $ellipses.insertAdjacentHTML('afterbegin', '<i class="fas fa-ellipsis-h fa-fw"></i>');
+        $ellipses.classList.add('ellipses');
+        $ellipses.addEventListener('click', () => {
+          $chroma.classList.add('open');
+        }, false);
+        $header.appendChild($ellipses);
+        const $copy = document.createElement('span');
+        $copy.insertAdjacentHTML('afterbegin', '<i class="far fa-copy fa-fw"></i>');
+        $copy.classList.add('copy');
+        const code = $code.innerText;
+        if (this.config.code.maxShownLines < 0 || code.split('\n').length < this.config.code.maxShownLines + 2) $chroma.classList.add('open');
+        if (this.config.code.copyTitle) {
+          $copy.setAttribute('data-clipboard-text', code);
+          $copy.title = this.config.code.copyTitle;
+          const clipboard = new ClipboardJS($copy);
+          clipboard.on('success', _e => {
+            this.util.animateCSS($code, 'flash');
+          });
+          $header.appendChild($copy);
         }
-    }
+        $chroma.insertBefore($header, $chroma.firstChild);
+      }
+    });
+  }
 
-    initCookieconsent() {
-        if (this.config.cookieconsent) cookieconsent.initialise(this.config.cookieconsent);
-    }
+  initTable() {
+    this.util.forEach(document.querySelectorAll('.content table'), $table => {
+      const $wrapper = document.createElement('div');
+      $wrapper.className = 'table-wrapper';
+      $table.parentElement.replaceChild($wrapper, $table);
+      $wrapper.appendChild($table);
+    });
+  }
 
-    onScroll() {
-        const $headers = [];
-        if (document.body.getAttribute('header-desktop') === 'auto') $headers.push(document.getElementById('header-desktop'));
-        if (document.body.getAttribute('header-mobile') === 'auto') $headers.push(document.getElementById('header-mobile'));
-        if (document.getElementById('comments')) {
-            const $viewComments = document.getElementById('view-comments');
-            $viewComments.href = `#comments`;
-            $viewComments.style.display = 'block';
-        }
-        const $fixedButtons = document.getElementById('fixed-buttons');
-        const ACCURACY = 20, MINIMUM = 100;
-        window.addEventListener('scroll', () => {
-            this.newScrollTop = this.util.getScrollTop();
-            const scroll = this.newScrollTop - this.oldScrollTop;
-            const isMobile = this.util.isMobile();
-            this.util.forEach($headers, $header => {
-                if (scroll > ACCURACY) {
-                    $header.classList.remove('fadeInDown');
-                    this.util.animateCSS($header, ['fadeOutUp', 'faster'], true);
-                } else if (scroll < - ACCURACY) {
-                    $header.classList.remove('fadeOutUp');
-                    this.util.animateCSS($header, ['fadeInDown', 'faster'], true);
-                }
-            });
-            if (this.newScrollTop > MINIMUM) {
-                if (isMobile && scroll > ACCURACY) {
-                    $fixedButtons.classList.remove('fadeIn');
-                    this.util.animateCSS($fixedButtons, ['fadeOut', 'faster'], true);
-                } else if (!isMobile || scroll < - ACCURACY) {
-                    $fixedButtons.style.display = 'block';
-                    $fixedButtons.classList.remove('fadeOut');
-                    this.util.animateCSS($fixedButtons, ['fadeIn', 'faster'], true);
-                }
-            } else {
-                if (!isMobile) {
-                    $fixedButtons.classList.remove('fadeIn');
-                    this.util.animateCSS($fixedButtons, ['fadeOut', 'faster'], true);
-                }
-                $fixedButtons.style.display = 'none';
-            }
-            for (let event of this.scrollEventSet) event();
-            this.oldScrollTop = this.newScrollTop;
-        }, false);
+  initHeaderLink() {
+    for (let num = 1; num <= 6; num++) {
+      this.util.forEach(document.querySelectorAll('.single .content > h' + num), $header => {
+        $header.classList.add('headerLink');
+        $header.insertAdjacentHTML('afterbegin', `<a href="#${$header.id}" class="header-mark"></a>`);
+      });
     }
+  }
 
-    onResize() {
-        window.addEventListener('resize', () => {
-            if (!this._resizeTimeout) {
-                this._resizeTimeout = window.setTimeout(() => {
-                    this._resizeTimeout = null;
-                    for (let event of this.resizeEventSet) event();
-                    this.initToc();
-                    this.initMermaid();
-                    this.initSearch();
-                }, 100);
-            }
-        }, false);
+  initToc() {
+    const $tocCore = document.getElementById('TableOfContents');
+    if ($tocCore === null){
+      return;
     }
-
-    onClickMask() {
-        document.getElementById('mask').addEventListener('click', () => {
-            for (let event of this.clickMaskEventSet) event();
-            document.body.classList.remove('blur');
-        }, false);
+    const $toc = document.getElementById('toc-auto');
+    if ($tocCore.innerText === ''){
+      $toc.style.display = 'none';
+      return;
     }
-
-    init() {
-        try {
-            this.initSVGIcon();
-            this.initTwemoji();
-            this.initMenuMobile();
-            this.initSwitchTheme();
-            this.initSearch();
-            this.initDetails();
-            this.initLightGallery();
-            this.initHighlight();
-            this.initTable();
-            this.initHeaderLink();
-            this.initMath();
-            this.initMermaid();
-            this.initEcharts();
-            this.initTypeit();
-            this.initMapbox();
-            this.initCookieconsent();
-        } catch (err) {
-            console.error(err);
+    if (document.getElementById('toc-static').getAttribute('kept') || this.util.isTocStatic()) {
+      const $tocContentStatic = document.getElementById('toc-content-static');
+      if ($tocCore.parentElement !== $tocContentStatic) {
+        $tocCore.parentElement.removeChild($tocCore);
+        $tocContentStatic.appendChild($tocCore);
+      }
+      if (this._tocOnScroll) this.scrollEventSet.delete(this._tocOnScroll);
+    } else {
+      const $tocContentAuto = document.getElementById('toc-content-auto');
+      if ($tocCore.parentElement !== $tocContentAuto) {
+        $tocCore.parentElement.removeChild($tocCore);
+        $tocContentAuto.appendChild($tocCore);
+      }
+      const $page = document.getElementsByClassName('page')[0];
+      const rect = $page.getBoundingClientRect();
+      $toc.style.left = `${rect.left + rect.width + 20}px`;
+      $toc.style.maxWidth = `${$page.getBoundingClientRect().left - 20}px`;
+      $toc.style.visibility = 'visible';
+      const $tocLinkElements = $tocCore.querySelectorAll('a:first-child');
+      const $tocLiElements = $tocCore.getElementsByTagName('li');
+      const $headerLinkElements = document.getElementsByClassName('headerLink');
+      const headerIsFixed = document.body.getAttribute('header-desktop') !== 'normal';
+      const headerHeight = document.getElementById('header-desktop').offsetHeight;
+      const TOP_SPACING = 20 + (headerIsFixed ? headerHeight : 0);
+      const minTocTop = $toc.offsetTop;
+      const minScrollTop = minTocTop - TOP_SPACING + (headerIsFixed ? 0 : headerHeight);
+      this._tocOnScroll = this._tocOnScroll || (() => {
+        const footerTop = document.getElementById('post-footer').offsetTop;
+        const maxTocTop = footerTop - $toc.getBoundingClientRect().height;
+        const maxScrollTop = maxTocTop - TOP_SPACING + (headerIsFixed ? 0 : headerHeight);
+        if (this.newScrollTop < minScrollTop) {
+          $toc.style.position = 'absolute';
+          $toc.style.top = `${minTocTop}px`;
+        } else if (this.newScrollTop > maxScrollTop) {
+          $toc.style.position = 'absolute';
+          $toc.style.top = `${maxTocTop}px`;
+        } else {
+          $toc.style.position = 'fixed';
+          $toc.style.top = `${TOP_SPACING}px`;
         }
 
-        window.setTimeout(() => {
-            this.initToc();
-            this.initComment();
+        this.util.forEach($tocLinkElements, $tocLink => { $tocLink.classList.remove('active'); });
+        this.util.forEach($tocLiElements, $tocLi => { $tocLi.classList.remove('has-active'); });
+        const INDEX_SPACING = 20 + (headerIsFixed ? headerHeight : 0);
+        let activeTocIndex = $headerLinkElements.length - 1;
+        for (let i = 0; i < $headerLinkElements.length - 1; i++) {
+          const thisTop = $headerLinkElements[i].getBoundingClientRect().top;
+          const nextTop = $headerLinkElements[i + 1].getBoundingClientRect().top;
+          if ((i == 0 && thisTop > INDEX_SPACING)
+           || (thisTop <= INDEX_SPACING && nextTop > INDEX_SPACING)) {
+            activeTocIndex = i;
+            break;
+          }
+        }
+        if (activeTocIndex !== -1) {
+          $tocLinkElements[activeTocIndex].classList.add('active');
+          let $parent = $tocLinkElements[activeTocIndex].parentElement;
+          while ($parent !== $tocCore) {
+            $parent.classList.add('has-active');
+            $parent = $parent.parentElement.parentElement;
+          }
+        }
+      });
+      this._tocOnScroll();
+      this.scrollEventSet.add(this._tocOnScroll);
+    }
+  }
 
-            this.onScroll();
-            this.onResize();
-            this.onClickMask();
+  initMath() {
+    if (this.config.math) renderMathInElement(document.body, this.config.math);
+  }
+
+  initMermaid() {
+    const $mermaidElements = document.getElementsByClassName('mermaid');
+    if ($mermaidElements.length) {
+      mermaid.initialize({startOnLoad: false, theme: 'null'});
+      this.util.forEach($mermaidElements, $mermaid => {
+        mermaid.mermaidAPI.render('svg-' + $mermaid.id, this.data[$mermaid.id], svgCode => {
+          $mermaid.insertAdjacentHTML('afterbegin', svgCode);
+        }, $mermaid);
+      });
+    }
+  }
+
+  initEcharts() {
+    this._echartsOnSwitchTheme = this._echartsOnSwitchTheme || (() => {
+      this._echartsArr = this._echartsArr || [];
+      for (let i = 0; i < this._echartsArr.length; i++) {
+        this._echartsArr[i].dispose();
+      }
+      this._echartsArr = [];
+      this.util.forEach(document.getElementsByClassName('echarts'), $echarts => {
+        const chart = echarts.init($echarts, this.isDark ? 'dark' : 'macarons', {renderer: 'svg'});
+        chart.setOption(JSON.parse(this.data[$echarts.id]));
+        this._echartsArr.push(chart);
+      });
+    });
+    this.switchThemeEventSet.add(this._echartsOnSwitchTheme);
+    this._echartsOnSwitchTheme();
+    this._echartsOnResize = this._echartsOnResize || (() => {
+      for (let i = 0; i < this._echartsArr.length; i++) {
+        this._echartsArr[i].resize();
+      }
+    });
+    this.resizeEventSet.add(this._echartsOnResize);
+  }
+
+  initMapbox() {
+    if (this.config.mapbox) {
+      mapboxgl.accessToken = this.config.mapbox.accessToken;
+      mapboxgl.setRTLTextPlugin(this.config.mapbox.RTLTextPlugin);
+      this._mapboxArr = this._mapboxArr || [];
+      this.util.forEach(document.getElementsByClassName('mapbox'), $mapbox => {
+        const { lng, lat, zoom, lightStyle, darkStyle, marked, navigation, geolocate, scale, fullscreen } = this.data[$mapbox.id];
+        const mapbox = new mapboxgl.Map({
+          container: $mapbox,
+          center: [lng, lat],
+          zoom: zoom,
+          minZoom: .2,
+          style: this.isDark ? darkStyle : lightStyle,
+          attributionControl: false,
+        });
+        if (marked) {
+          new mapboxgl.Marker().setLngLat([lng, lat]).addTo(mapbox);
+        }
+        if (navigation) {
+          mapbox.addControl(new mapboxgl.NavigationControl(), 'bottom-right');
+        }
+        if (geolocate) {
+          mapbox.addControl(new mapboxgl.GeolocateControl({
+            positionOptions: {
+              enableHighAccuracy: true,
+            },
+            showUserLocation: true,
+            trackUserLocation: true,
+          }), 'bottom-right');
+        }
+        if (scale) {
+          mapbox.addControl(new mapboxgl.ScaleControl());
+        }
+        if (fullscreen) {
+          mapbox.addControl(new mapboxgl.FullscreenControl());
+        }
+        mapbox.addControl(new MapboxLanguage());
+        this._mapboxArr.push(mapbox);
+      });
+      this._mapboxOnSwitchTheme = this._mapboxOnSwitchTheme || (() => {
+        this.util.forEach(this._mapboxArr, mapbox => {
+          const $mapbox = mapbox.getContainer();
+          const { lightStyle, darkStyle } = this.data[$mapbox.id];
+          mapbox.setStyle(this.isDark ? darkStyle : lightStyle);
+          mapbox.addControl(new MapboxLanguage());
+        });
+      });
+      this.switchThemeEventSet.add(this._mapboxOnSwitchTheme);
+    }
+  }
+
+  initTypeit() {
+    if (this.config.typeit) {
+      const typeitConfig = this.config.typeit;
+      const speed = typeitConfig.speed ? typeitConfig.speed : 100;
+      const cursorSpeed = typeitConfig.cursorSpeed ? typeitConfig.cursorSpeed : 1000;
+      const cursorChar = typeitConfig.cursorChar ? typeitConfig.cursorChar : '|';
+      Object.values(typeitConfig.data).forEach(group => {
+        const typeone = (i) => {
+          const id = group[i];
+          const instance = new TypeIt(`#${id}`, {
+            strings: this.data[id],
+            speed: speed,
+            lifeLike: true,
+            cursorSpeed: cursorSpeed,
+            cursorChar: cursorChar,
+            waitUntilVisible: true,
+            afterComplete: () => {
+              if (i === group.length - 1) {
+                if (typeitConfig.duration >= 0) window.setTimeout(() => {
+                  instance.destroy();
+                }, typeitConfig.duration);
+                return;
+              }
+              instance.destroy();
+              typeone(i + 1);
+            },
+          }).go();
+        };
+        typeone(0);
+      });
+    }
+  }
+
+  initComment() {
+    if (this.config.comment) {
+      if (this.config.comment.gitalk) {
+        this.config.comment.gitalk.body = decodeURI(window.location.href);
+        const gitalk = new Gitalk(this.config.comment.gitalk);
+        gitalk.render('gitalk');
+      }
+      if (this.config.comment.valine) new Valine(this.config.comment.valine);
+      if (this.config.comment.utterances) {
+        const utterancesConfig = this.config.comment.utterances;
+        const script = document.createElement('script');
+        script.src = 'https://utteranc.es/client.js';
+        script.type = 'text/javascript';
+        script.setAttribute('repo', utterancesConfig.repo);
+        script.setAttribute('issue-term', utterancesConfig.issueTerm);
+        if (utterancesConfig.label) script.setAttribute('label', utterancesConfig.label);
+        script.setAttribute('theme', this.isDark ? utterancesConfig.darkTheme : utterancesConfig.lightTheme);
+        script.crossOrigin = 'anonymous';
+        script.async = true;
+        document.getElementById('utterances').appendChild(script);
+        this._utterancesOnSwitchTheme = this._utterancesOnSwitchTheme || (() => {
+          const message = {
+            type: 'set-theme',
+            theme: this.isDark ? utterancesConfig.darkTheme : utterancesConfig.lightTheme,
+          };
+          const iframe = document.querySelector('.utterances-frame');
+          iframe.contentWindow.postMessage(message, 'https://utteranc.es');
+        });
+        this.switchThemeEventSet.add(this._utterancesOnSwitchTheme);
+      }
+    }
+  }
+
+  initCookieconsent() {
+    if (this.config.cookieconsent) cookieconsent.initialise(this.config.cookieconsent);
+  }
+
+  onScroll() {
+    const $headers = [];
+    if (document.body.getAttribute('header-desktop') === 'auto') $headers.push(document.getElementById('header-desktop'));
+    if (document.body.getAttribute('header-mobile') === 'auto') $headers.push(document.getElementById('header-mobile'));
+    if (document.getElementById('comments')) {
+      const $viewComments = document.getElementById('view-comments');
+      $viewComments.href = `#comments`;
+      $viewComments.style.display = 'block';
+    }
+    const $fixedButtons = document.getElementById('fixed-buttons');
+    const ACCURACY = 20, MINIMUM = 100;
+    window.addEventListener('scroll', () => {
+      this.newScrollTop = this.util.getScrollTop();
+      const scroll = this.newScrollTop - this.oldScrollTop;
+      const isMobile = this.util.isMobile();
+      this.util.forEach($headers, $header => {
+        if (scroll > ACCURACY) {
+          $header.classList.remove('fadeInDown');
+          this.util.animateCSS($header, ['fadeOutUp', 'faster'], true);
+        } else if (scroll < - ACCURACY) {
+          $header.classList.remove('fadeOutUp');
+          this.util.animateCSS($header, ['fadeInDown', 'faster'], true);
+        }
+      });
+      if (this.newScrollTop > MINIMUM) {
+        if (isMobile && scroll > ACCURACY) {
+          $fixedButtons.classList.remove('fadeIn');
+          this.util.animateCSS($fixedButtons, ['fadeOut', 'faster'], true);
+        } else if (!isMobile || scroll < - ACCURACY) {
+          $fixedButtons.style.display = 'block';
+          $fixedButtons.classList.remove('fadeOut');
+          this.util.animateCSS($fixedButtons, ['fadeIn', 'faster'], true);
+        }
+      } else {
+        if (!isMobile) {
+          $fixedButtons.classList.remove('fadeIn');
+          this.util.animateCSS($fixedButtons, ['fadeOut', 'faster'], true);
+        }
+        $fixedButtons.style.display = 'none';
+      }
+      for (let event of this.scrollEventSet) event();
+      this.oldScrollTop = this.newScrollTop;
+    }, false);
+  }
+
+  onResize() {
+    window.addEventListener('resize', () => {
+      if (!this._resizeTimeout) {
+        this._resizeTimeout = window.setTimeout(() => {
+          this._resizeTimeout = null;
+          for (let event of this.resizeEventSet) event();
+          this.initToc();
+          this.initMermaid();
+          this.initSearch();
         }, 100);
+      }
+    }, false);
+  }
+
+  onClickMask() {
+    document.getElementById('mask').addEventListener('click', () => {
+      for (let event of this.clickMaskEventSet) event();
+      document.body.classList.remove('blur');
+    }, false);
+  }
+
+  init() {
+    try {
+      this.initSVGIcon();
+      this.initTwemoji();
+      this.initMenuMobile();
+      this.initSwitchTheme();
+      this.initSearch();
+      this.initDetails();
+      this.initLightGallery();
+      this.initHighlight();
+      this.initTable();
+      this.initHeaderLink();
+      this.initMath();
+      this.initMermaid();
+      this.initEcharts();
+      this.initTypeit();
+      this.initMapbox();
+      this.initCookieconsent();
+    } catch (err) {
+      console.error(err);
     }
+
+    window.setTimeout(() => {
+      this.initToc();
+      this.initComment();
+
+      this.onScroll();
+      this.onResize();
+      this.onClickMask();
+    }, 100);
+  }
 }
 
 const themeInit = () => {
-    const theme = new Theme();
-    theme.init();
+  const theme = new Theme();
+  theme.init();
 };
 
 if (document.readyState !== 'loading') {
-    themeInit();
+  themeInit();
 } else {
-    document.addEventListener('DOMContentLoaded', themeInit, false);
+  document.addEventListener('DOMContentLoaded', themeInit, false);
 }
diff --git a/theme.toml b/theme.toml
index f1f5e3f7..64f42824 100644
--- a/theme.toml
+++ b/theme.toml
@@ -20,9 +20,11 @@ features = [
   "pagination",
   "social-menu",
   "syntax-highlighting",
-  "SEO Optimized"
+  "SEO Optimized",
+  "friends link template",
+  "PWA support",
+  "watermark support"
 ]
-min_version = "0.62.0"
 
 [author]
   name = "Lruihao"
@@ -31,3 +33,9 @@ min_version = "0.62.0"
 [original]
   name = "Dillon"
   homepage = "https://dillonzq.com"
+  repo = "https://github.com/dillonzq/LoveIt"
+
+[module]
+  [module.hugoVersion]
+    extended = true
+    min = "0.62.0"