diff --git a/layout/_common/head.pug b/layout/_common/head.pug
index 51f094a6679f8ecfa3b9fc750d488cd7da9e1300..a73d5ce48a51a0de2cb96d2497911b54e5ebaa95 100644
--- a/layout/_common/head.pug
+++ b/layout/_common/head.pug
@@ -37,13 +37,13 @@ if theme.pwa && theme.pwa.enable
     link(rel="manifest" href=`${url_for(theme.pwa.manifest)}?v=${stun_env("version")}`)
 
 if theme.favicon.small
-  link(rel="icon" type="image/png" sizes="16x16" href=`${url_for(theme.favicon.small)}?v=${stun_env("version")}`)
+  link(rel="icon" href=`${url_for(theme.favicon.small)}?v=${stun_env("version")}` type="image/png" sizes="16x16")
 
 if theme.favicon.medium
-  link(rel="icon" type="image/png" sizes="32x32" href=`${url_for(theme.favicon.medium)}?v=${stun_env("version")}`)
+  link(rel="icon" href=`${url_for(theme.favicon.medium)}?v=${stun_env("version")}` type="image/png" sizes="32x32")
 
 if theme.favicon.apple_touch_icon
-  link(rel="apple-touch-icon" sizes="180x180" href=`${url_for(theme.favicon.apple_touch_icon)}?v=${stun_env("version")}`)
+  link(rel="apple-touch-icon" href=`${url_for(theme.favicon.apple_touch_icon)}?v=${stun_env("version")}` sizes="180x180")
 
 if theme.favicon.safari_pinned_tab
   link(rel="mask-icon" href=`${url_for(theme.favicon.safari_pinned_tab)}?v=${stun_env("version")}` color="#54bcff")
@@ -53,24 +53,34 @@ if theme.favicon.msapplication
   meta(name="msapplication-TileColor" content="#000000")
 
 if theme.feed && theme.feed.rss
-  link(rel="alternate", href=url_for(theme.feed.rss), type="application/atom+xml")
+  link(rel="alternate" href=url_for(theme.feed.rss) type="application/atom+xml")
 
 link(rel="dns-prefetch" href="https://cdn.jsdelivr.net")
 
-- var fontawesome_css = 'https://cdn.jsdelivr.net/npm/font-awesome@4.7.0/css/font-awesome.min.css'
+- var fontawesome_css = "https://cdn.jsdelivr.net/npm/font-awesome@4.7.0/css/font-awesome.min.css"
 - if (theme.cdn.fontawesome_css) fontawesome_css = theme.cdn.fontawesome_css
-link(rel="stylesheet" href=fontawesome_css)
+link(rel="stylesheet" href=fontawesome_css type="text/css")
 
 if theme.fancybox
-  - var fancybox_css = 'https://cdn.jsdelivr.net/gh/fancyapps/fancybox@3.5.7/dist/jquery.fancybox.min.css'
+  - var fancybox_css = "https://cdn.jsdelivr.net/gh/fancyapps/fancybox@3.5.7/dist/jquery.fancybox.min.css"
   - if (theme.cdn.fontawesome) fancybox_css = theme.cdn.fontawesome
-  link(rel="stylesheet" href=fancybox_css)
+  link(rel="stylesheet" href=fancybox_css type="text/css")
+
+if page.comments
+  if theme.gitalk && theme.gitalk.enable
+    - var gitalk_css = "https://cdn.jsdelivr.net/npm/gitalk@latest/dist/gitalk.min.css"
+    - if (theme.cdn.gitalk_css) gitalk_css = theme.cdn.gitalk_css
+    link(rel="stylesheet" href=gitalk_css type="text/css")
+  else if theme.gitment && theme.gitment.enable
+    - var gitment_css = "https://cdn.jsdelivr.net/npm/gitment/style/default.min.css"
+    - if (theme.cdn.gitment_css) gitment_css = theme.cdn.gitment_css
+    link(rel="stylesheet" href=gitment_css type="text/css")
+
+if theme.algolia_search.enable
+  - var instantsearch_css = "https://cdn.jsdelivr.net/npm/instantsearch.js@2.1.1/dist/instantsearch.min.css"
+  - if (theme.cdn.instantsearch_css) instantsearch_css = theme.cdn.instantsearch_css
+  link(rel="stylesheet" href=instantsearch_css type="text/css")
 
 link(rel="stylesheet" href=`${url_for(theme.css)}/index.css?v=${stun_env("version")}`)
 
-include ../_third-party/analytics/index.pug
-include ../_third-party/search/index.pug
-include ../_third-party/comments/index.pug
-include ../_third-party/math/index.pug
-include ../_third-party/advertising/index.pug
 include ./config.pug
diff --git a/layout/_common/header.pug b/layout/_common/header.pug
index 2246c33e8c15d3b43c69d7f1860ed8f19eefe9a8..05ea1f42acc731d81e10235de4e72d90662cb6e9 100644
--- a/layout/_common/header.pug
+++ b/layout/_common/header.pug
@@ -19,9 +19,9 @@ header#header(
       div.header-nav-menu
         each value, name in (theme.menu || [])
           if name && value
-            - var menuItem = value.split('||')
-            - var menuItemPath = _.trim(_.get(menuItem, '[0]'))
-            - var menuItemIcon = _.trim(_.get(menuItem, '[1]'))
+            - var menuItem = value.split("||")
+            - var menuItemPath = _.trim(_.get(menuItem, "[0]"))
+            - var menuItemIcon = _.trim(_.get(menuItem, "[1]"))
             span
               a(href=menuItemPath ? menuItemPath : "/")
                 if !theme.menu_settings.text_only
diff --git a/layout/_common/layout.pug b/layout/_common/layout.pug
index 524d4a8d9bc2a0251aba9ed7b6ddf298071f165c..4e0e2880569f66605f42c5cd255a50aa421fb11f 100644
--- a/layout/_common/layout.pug
+++ b/layout/_common/layout.pug
@@ -14,3 +14,9 @@ html(lang=config.language)
     include ../_components/search/index.pug
     include ../_scripts/cdn.pug
     include ../_scripts/common.pug
+    include ../_third-party/quicklink.pug
+    include ../_third-party/advertising/index.pug
+    include ../_third-party/analytics/index.pug
+    include ../_third-party/comments/index.pug
+    include ../_third-party/math/index.pug
+    include ../_third-party/search/index.pug
diff --git a/layout/_common/sidebar.pug b/layout/_common/sidebar.pug
index 769b1baaed3fdc801c551f9bc102d968e165af9d..ea17fe01acadd538e7cfa08bf176daa019e9f2d7 100644
--- a/layout/_common/sidebar.pug
+++ b/layout/_common/sidebar.pug
@@ -24,13 +24,13 @@ aside#sidebar
         div.sidebar-social
           for value, name in (theme.social || [])
             if name && value
-              - var socialItem = value.split('||')
-              - var socialLinkPath = _.trim(_.get(socialItem, '[0]'))
-              - var socialLinkIcon = _.trim(_.get(socialItem, '[1]'))
+              - var socialItem = value.split("||")
+              - var socialLinkPath = _.trim(_.get(socialItem, "[0]"))
+              - var socialLinkIcon = _.trim(_.get(socialItem, "[1]"))
               span.sidebar-social-item
                 a(href=socialLinkPath target="_blank" rel="noopener"
                     data-popover=_p(`social.${name}`) data-popover-pos=`${
-                      theme.social_setting.icon_only ? 'up' : 'none'}`)
+                      theme.social_setting.icon_only ? "up" : "none"}`)
 
                   if socialLinkIcon && socialLinkIcon.match("origin:")
                     span!= socialLinkIcon.split("origin:")[1]
@@ -60,9 +60,9 @@ aside#sidebar
                 span= _p("sidebar.subscribe")
       
       if theme.menu
-        - var menuArchives   = _.trim(_.get(theme.menu.archives.split('||'), '[0]'))
-        - var menuCategories = _.trim(_.get(theme.menu.categories.split('||'), '[0]'))
-        - var menuTags       = _.trim(_.get(theme.menu.tags.split('||'), '[0]'))
+        - var menuArchives   = _.trim(_.get(theme.menu.archives.split("||"), "[0]"))
+        - var menuCategories = _.trim(_.get(theme.menu.categories.split("||"), "[0]"))
+        - var menuTags       = _.trim(_.get(theme.menu.tags.split("||"), "[0]"))
         div.sidebar-state
           if theme.menu.archives
             span.sidebar-state-item.sidebar-state-posts
diff --git a/layout/_components/recent-posts.pug b/layout/_components/recent-posts.pug
index 933884a485d922d22c14fe8c13bf80106eda8e77..11ad2738ee12cb257ba6975509747b75408ba46d 100644
--- a/layout/_components/recent-posts.pug
+++ b/layout/_components/recent-posts.pug
@@ -3,7 +3,7 @@ section#recent-posts.recent-posts
 
   - var postLists = theme.post_list.paginate.home ? page.posts : site.posts
   - postLists.each(function (post) {
-    article(class=`${post.link ? 'post-link' : ''}`).post
+    article(class=`${post.link ? "post-link" : ""}`).post
       +postHeader(post)
 
       div.post-body
@@ -16,7 +16,7 @@ section#recent-posts.recent-posts
         if theme.auto_excerpt && theme.auto_excerpt.enable
           - const content = strip_html(post.content)
           - var excerpt = content.substring(0, theme.auto_excerpt.length)
-          - content.length > theme.auto_excerpt.length ? excerpt += '......' : ''
+          - content.length > theme.auto_excerpt.length ? excerpt += "......" : ""
           div!= excerpt
         else if post.excerpt
           div.post-excerpt!= post.excerpt
diff --git a/layout/_mixins/posts-sort.pug b/layout/_mixins/posts-sort.pug
index 428867536f56334c797c713499f42159ba774ad0..39263cd2f35ef2ed105a8760f65062b864336a07 100644
--- a/layout/_mixins/posts-sort.pug
+++ b/layout/_mixins/posts-sort.pug
@@ -16,7 +16,7 @@ mixin articleSort(posts)
             if post.link
               a(href=url_for(post.link) target="_blank" rel="noopener")= post.title || post.link
             else
-              a(href=url_for(post.path))= post.title || _p('post.untitled')
+              a(href=url_for(post.path))= post.title || _p("post.untitled")
 
         if post.top
           include ../_components/sticky-top.pug
diff --git a/layout/_third-party/comments/gitalk.pug b/layout/_third-party/comments/gitalk.pug
index 417913857850b386f7c67ab4e9029c59fe8c4fc3..aa0e02ce2af1444b383941eb62c4c27ad9dfc5ef 100644
--- a/layout/_third-party/comments/gitalk.pug
+++ b/layout/_third-party/comments/gitalk.pug
@@ -1,18 +1,15 @@
 -
   var gitalk_js = "https://cdn.jsdelivr.net/npm/gitalk@latest/dist/gitalk.min.js"
-  var gitalk_css = "https://cdn.jsdelivr.net/npm/gitalk@latest/dist/gitalk.min.css"
   var gitalk_md5 = "https://cdn.jsdelivr.net/npm/js-md5@latest/src/md5.min.js"
 
   if (theme.cdn.gitalk_js) gitalk_js = theme.cdn.gitalk_js
-  if (theme.cdn.gitalk_css) gitalk_css = theme.cdn.gitalk_css
   if (theme.cdn.gitalk_md5) gitalk_md5 = theme.cdn.gitalk_md5
 
-link(href=gitalk_css rel="stylesheet" type="text/css")
 script(src=gitalk_js)
 script(src=gitalk_md5)
 
 -
-  var lang = _.get(theme, 'gitalk.language')
+  var lang = _.get(theme, "gitalk.language")
     ? theme.gitalk.language : config.language;
 
 script.
diff --git a/layout/_third-party/comments/gitment.pug b/layout/_third-party/comments/gitment.pug
index 2d3333428527361345f2fc398dc81632306fdb77..7a8c7a41fe523bf857aab4b299012a2205aa6c1b 100644
--- a/layout/_third-party/comments/gitment.pug
+++ b/layout/_third-party/comments/gitment.pug
@@ -1,13 +1,10 @@
 -
   var gitment_js = "https://cdn.jsdelivr.net/npm/gitment/dist/gitment.browser.min.js"
-  var gitment_css = "https://cdn.jsdelivr.net/npm/gitment/style/default.min.css"
   var gitment_md5 = "https://cdn.jsdelivr.net/npm/js-md5@latest/src/md5.min.js"
 
   if (theme.cdn.gitment_js) gitment_js = theme.cdn.gitment_js
-  if (theme.cdn.gitment_css) gitment_css = theme.cdn.gitment_css
   if (theme.cdn.gitment_md5) gitment_md5 = theme.cdn.gitment_md5
 
-link(href=gitment_css rel="stylesheet" type="text/css")
 script(src=gitment_js)
 script(src=gitment_md5)
 
diff --git a/layout/_third-party/comments/index.pug b/layout/_third-party/comments/index.pug
index 9cd1b9e28385f32ae0f3d73812a3f9d117ce8939..cb0e66a916dee503e0653d190ee44b0f95d720b5 100644
--- a/layout/_third-party/comments/index.pug
+++ b/layout/_third-party/comments/index.pug
@@ -1,5 +1,5 @@
 if page.comments
-  if  theme.gitment && theme.gitment.enable
+  if theme.gitment && theme.gitment.enable
     include ./gitment.pug
   else if theme.gitalk && theme.gitalk.enable
     include ./gitalk.pug
diff --git a/layout/_third-party/math/index.pug b/layout/_third-party/math/index.pug
index 76404ec220e384be7d921474041bd798f518a406..20afc772c47a38939c59ca7c8cd39d7a7c32d865 100644
--- a/layout/_third-party/math/index.pug
+++ b/layout/_third-party/math/index.pug
@@ -9,7 +9,7 @@ if theme.math.enable
 
   if !is_tag() && !is_category() && !is_archive()
     if isHomeHasMath || (theme.math.per_page || page.math)
-      if theme.math.engine === 'mathjax'
+      if theme.math.engine === "mathjax"
         include ./mathjax.pug
-      else if theme.math.engine === 'katex'
+      else if theme.math.engine === "katex"
         include ./katex.pug
diff --git a/layout/_third-party/search/algolia.pug b/layout/_third-party/search/algolia.pug
index 223d69ec255a602a5205493ca5308d678b250d5a..b1d6dc5b1cdd14122dc8d74756d93689862dcc8a 100644
--- a/layout/_third-party/search/algolia.pug
+++ b/layout/_third-party/search/algolia.pug
@@ -1,9 +1,5 @@
 -
   var instantsearch_js = "https://cdn.jsdelivr.net/npm/instantsearch.js@2.1.1/dist/instantsearch.min.js"
-  var instantsearch_css = "https://cdn.jsdelivr.net/npm/instantsearch.js@2.1.1/dist/instantsearch.min.css"
-
   if (theme.cdn.instantsearch_js) instantsearch_js = theme.cdn.instantsearch_js
-  if (theme.cdn.instantsearch_css) instantsearch_css = theme.cdn.instantsearch_css
 
-link(href=instantsearch_css rel="stylesheet" type="text/css")
 script(src=instantsearch_js defer)
diff --git a/layout/post.pug b/layout/post.pug
index db8f8e25cbcc268c19d8d43c9ae9af930816cd61..28f6c88bbcb441ee92b98056dc423b3648478488 100644
--- a/layout/post.pug
+++ b/layout/post.pug
@@ -20,7 +20,7 @@ block content
           span= _p("post.end")
           span= "------"
 
-      - let themeConfigCC = theme.creative_commons.enable && theme.creative_commons.post
+      - var themeConfigCC = theme.creative_commons.enable && theme.creative_commons.post
       if page.copyright === false ? page.copyright : themeConfigCC
         include ./_components/copyright.pug