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 1c8826bb..6ba2bb8a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## v0.2.12
 
 - :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))
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/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..8d3c557d 100644
--- a/exampleSite/config.toml
+++ b/exampleSite/config.toml
@@ -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
@@ -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]
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..dfff0f6f 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 $params.watermark.enable -}}
+  {{- $source :=  default "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>