diff --git a/.vscode/extensions.json b/.vscode/extensions.json
index a990b7ca..50fddad2 100644
--- a/.vscode/extensions.json
+++ b/.vscode/extensions.json
@@ -5,6 +5,7 @@
     "lruihao.hugo-partials-refs",
     "tamasfe.even-better-toml",
     "casualjim.gotemplate",
-    "SomewhatStationery.some-sass"
+    "SomewhatStationery.some-sass",
+    "gruntfuggly.todo-tree"
   ]
 }
diff --git a/layouts/_markup/render-passthrough.html b/layouts/_markup/render-passthrough.html
index 4288fdc1..025b911c 100644
--- a/layouts/_markup/render-passthrough.html
+++ b/layouts/_markup/render-passthrough.html
@@ -6,12 +6,12 @@
   {{- $math = dict "enable" false -}}
 {{- end -}}
 
-{{- /* 
+{{- /*
   Mathematical formulas rendering:
     - KaTeX server-side rendering
     - MathJax client-side rendering
   Regular passthrough rendering:
-    - [todo] support more features in future
+    - support more features in future
 */ -}}
 {{- if $math.enable | and (ne hugo.Context.MarkupScope "home") -}}
   {{- if eq $math.type "katex" -}}
diff --git a/layouts/_partials/base/assets.html b/layouts/_partials/base/assets.html
index 7f0fb011..d70e55ce 100644
--- a/layouts/_partials/base/assets.html
+++ b/layouts/_partials/base/assets.html
@@ -127,7 +127,7 @@
 {{- $math := .Store.Get "math" -}}
 {{- if .Store.Get "hasKaTeX" | and (not $isArchivesOrOffline) -}}
   {{- $source := $cdn.katexCSS | default "lib/katex/katex.min.css" -}}
-  {{- dict "Source" $source "Fingerprint" $fingerprint "Preload" true | dict "Page" . "Data" | partial "store/style.html" -}}
+  {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Page" . "Data" | partial "store/style.html" -}}
   {{- /* Copy-tex extension */ -}}
   {{- if $math.katex.copyTex -}}
     {{- $source := $cdn.katexCopyTexJS | default "lib/katex/copy-tex.min.js" -}}
@@ -178,7 +178,7 @@
 {{- /* Mapbox GL */ -}}
 {{- if .Store.Get "hasMapbox" -}}
   {{- $source := $cdn.mapboxGLCSS | default "lib/mapbox-gl/mapbox-gl.css" -}}
-  {{- dict "Source" $source "Minify" hugo.IsProduction "Fingerprint" $fingerprint "Preload" true | dict "Page" . "Data" | partial "store/style.html" -}}
+  {{- dict "Source" $source "Minify" hugo.IsProduction "Fingerprint" $fingerprint | dict "Page" . "Data" | partial "store/style.html" -}}
   {{- $source = $cdn.mapboxGLJS | default "lib/mapbox-gl/mapbox-gl.js" -}}
   {{- dict "Source" $source "Minify" hugo.IsProduction "Fingerprint" $fingerprint "Defer" true | dict "Page" . "Data" | partial "store/script.html" -}}
   {{- dict "Source" "lib/mapbox-gl/mapbox-gl-language.js" "Minify" hugo.IsProduction "Fingerprint" $fingerprint "Defer" true | dict "Page" . "Data" | partial "store/script.html" -}}
@@ -190,7 +190,7 @@
 {{- if (.Store.Get "hasAplayer") | or (.Store.Get "hasMusic") -}}
   {{- /* APlayer */ -}}
   {{- $source := $cdn.aplayerCSS | default "lib/aplayer/APlayer.min.css" -}}
-  {{- dict "Source" $source "Fingerprint" $fingerprint "Preload" true | dict "Page" . "Data" | partial "store/style.html" -}}
+  {{- dict "Source" $source "Fingerprint" $fingerprint | dict "Page" . "Data" | partial "store/style.html" -}}
   {{- $options := dict "targetPath" "lib/aplayer/dark.min.css" -}}
   {{- dict "Source" "lib/aplayer/dark.scss" "ToCSS" $options "Fingerprint" $fingerprint | dict "Page" . "Data" | partial "store/style.html" -}}
   {{- $source := $cdn.aplayerJS | default "lib/aplayer/APlayer.min.js" -}}
diff --git a/layouts/_partials/base/head/index.html b/layouts/_partials/base/head/index.html
index 531201d3..589a4eec 100644
--- a/layouts/_partials/base/head/index.html
+++ b/layouts/_partials/base/head/index.html
@@ -121,7 +121,7 @@
 {{- $options = dict "Context" . "ToCSS" $toCSS | merge $options -}}
 {{- partial "plugin/style.html" $options -}}
 
-{{- /* Theme CSS */ -}}
+{{- /* Theme main CSS */ -}}
 {{- $options := dict "Source" "scss/main.scss" "Fingerprint" $fingerprint -}}
 {{- $toCSS := dict "targetPath" "css/main.min.css" "enableSourceMap" true -}}
 {{- $options = dict "Context" . "ToCSS" $toCSS | merge $options -}}
@@ -137,6 +137,13 @@
 {{- $options := dict "Source" $source "Fingerprint" $fingerprint "Preload" true -}}
 {{- partial "plugin/style.html" $options -}}
 
+{{- /* Preload main theme bundle */ -}}
+{{- $mainResource := dict "Resource" (resources.Get "js/main.ts") "Build" true | partial "function/js-build.html" -}}
+{{- with $fingerprint -}}
+  {{- $mainResource = $mainResource | fingerprint . -}}
+{{- end -}}
+<link rel="preload" href="{{ $mainResource.RelPermalink }}" as="script">
+
 {{- /* ========== SEO: Structured Data (Schema.org) ========== */ -}}
 {{- $params := partial "function/params.html" -}}
 
diff --git a/layouts/baseof.html b/layouts/baseof.html
index 5dec115c..5eeb3582 100644
--- a/layouts/baseof.html
+++ b/layouts/baseof.html
@@ -11,7 +11,6 @@
     <meta name="robots" content="noodp" />
     <title>{{ block "title" . }}{{ .Site.Title }}{{ end }}</title>
     {{- partial "base/head/index.html" . -}}
-    {{- /* TODO preload script https://developer.mozilla.org/zh-CN/docs/Web/HTML/Attributes/rel/preload */ -}}
   </head>
   <body data-instant-intensity="viewport" data-header-desktop="{{ .Site.Params.header.desktopMode }}" data-header-mobile="{{ .Site.Params.header.mobileMode }}">
     {{- /* Body wrapper */ -}}