diff --git a/exampleSite/content/math-typesetting.md b/exampleSite/content/math-typesetting.md
index c3d09bd..67440b7 100644
--- a/exampleSite/content/math-typesetting.md
+++ b/exampleSite/content/math-typesetting.md
@@ -1,11 +1,12 @@
 ---
 author: Mivinci
 title: Math Typesetting
-date: 2021-07-18T10:52:59+08:00
+date: 2020-07-18T10:52:59+08:00
 description: A brief guide to write mathematical notation.
 math: true
 tags: 
     - KaTex
+    - markdown
 ---
 
 Mathematical notation in a Hugo project can be enabled by using third party JavaScript libraries like [KaTeX](https://katex.org) the one that Minima uses. Here's what you can do in the configuration file to enable it.
diff --git a/layouts/_default/list.html b/layouts/_default/list.html
index 4a4b6f4..317fe91 100644
--- a/layouts/_default/list.html
+++ b/layouts/_default/list.html
@@ -6,9 +6,14 @@
   <h2 class="text-4xl mt-8 mb-8">{{ .Title }}</h2>
   {{ end }}
   <div class="mt-8">
-    {{ range .Data.Pages }}
-    {{ partial "item.html" . }}
+    {{ range .Data.Pages.GroupByDate "2006" }}
+      <h3 class="text-3xl font-bold mb-4 mt-8">
+        <a href="#{{ .Key }}">{{ .Key }}</a>
+      </h3>
+      {{ range .Pages }}
+      {{ partial "item.html" . }}
+      {{ end }}
     {{ end }}
   </div>
 </main>
-{{ end }}
\ No newline at end of file
+{{ end }}
diff --git a/layouts/partials/head.html b/layouts/partials/head.html
index 0ae50e6..7b3aad6 100644
--- a/layouts/partials/head.html
+++ b/layouts/partials/head.html
@@ -15,12 +15,11 @@
   </title>
   {{ $favicon := "favicon.ico" }}
   <link rel="shortcut icon" href="{{ $favicon | relURL }}" type="image/x-icon" />
-  {{ $hash := now.Unix }}
-  {{ $options := (dict "targetPath" (printf `minima.%d.css` $hash) "outputStyle" "compressed" "enableSourceMap" true) }}
+  {{ $options := (dict "targetPath" "minima.css" "outputStyle" "compressed" "enableSourceMap" true) }}
   {{ $style := resources.Get "css/main.scss" | resources.ToCSS $options }}
   <link rel="stylesheet" href="{{ $style.RelPermalink }}">
-  {{ $options = (dict "targetPath" (printf `minima.%d.js` $hash) "minify" true) }}
-  {{ $js := resources.Get "js/main.js" | js.Build $options | resources.ExecuteAsTemplate (printf `minima.%d.js` $hash) . }}
+  {{ $options = (dict "targetPath" "minima.js" "minify" true) }}
+  {{ $js := resources.Get "js/main.js" | js.Build $options | resources.ExecuteAsTemplate "minima.js" . }}
   <script defer type="text/javascript" src="{{ $js.RelPermalink }}"></script>
   {{ if .IsTranslated }}
 	{{ range .Translations }}