diff --git a/_config.yml b/_config.yml
index 4d92fab80d0dcb394cf8d977ee0797cf26b2cb78..f99ee6c280450de6de149e2ec5f581a92f03e87f 100644
--- a/_config.yml
+++ b/_config.yml
@@ -524,6 +524,7 @@ math:
   # If true, it will load mathjax / katex srcipt EVERY PAGE.
   per_page: false
 
+  # value: mathjax / katex (suggest: katex)
   engine: katex
 
   # See: https://github.com/mathjax/MathJax/
@@ -601,31 +602,28 @@ lazyload:
 # See: https://github.com/GoogleChromeLabs/quicklink/
 quicklink:
   enable: false
-
   # Quicklink (quicklink.umd.js script) is loaded on demand.
   # Add `quicklink: true` in Front-matter of the page or post you need.
   # Home page and archive page can be controlled through home and archive options below.
   home: true
   archive: true
-
   # Initialize quicklink after the load event fires.
   delay: true
   # Custom a time in milliseconds by which the browser must execute prefetching.
   timeout: 10000
   # Enable fetch() or falls back to XHR.
   priority: true
-
   # For more flexibility you can add some patterns (RegExp, Function, or Array) to ignores.
   # See: https://github.com/GoogleChromeLabs/quicklink#custom-ignore-patterns
   # ! ---------------------------------------------------------------
   # ! Leave "ignores" as empty if you don't understand what it means.
   # ! ---------------------------------------------------------------
-  # Example:
-  # ignores:
-  #   - /\/api\/?/
-  #   - uri => uri.includes('.zip')
-  #   - (uri, el) => el.hasAttribute('nofollow')
   ignores:
+    - /\/api\/?/
+    - uri => uri.includes('.xml')
+    - uri => uri.includes('.zip')
+    - (uri, el) => el.hasAttribute('nofollow')
+    - (uri, el) => el.hasAttribute('noprefetch')
 
 # Pjax
 # See: https://github.com/MoOx/pjax/
diff --git a/layout/_common/head.pug b/layout/_common/head.pug
index 86126c95db4c5b38a9aab29cd20eee6921601aad..c87bea22fef778c1b110e831499072436e32b2be 100644
--- a/layout/_common/head.pug
+++ b/layout/_common/head.pug
@@ -96,5 +96,5 @@ if theme.tencent_analytics
   link(rel="dns-prefetch" href="https://tajs.qq.com")
 
 include ../_third-party/math/katex_css.pug
-include ../_third-party/analytics/analytics-widget.pug
+include ../_third-party/analytics/index.pug
 include ./config.pug
diff --git a/layout/_common/layout.pug b/layout/_common/layout.pug
index 957c4a4fb6e6907769ea8b672184ffbc8933eb3c..506dff33ff12818b5dc717d37801e0c03dbe412b 100644
--- a/layout/_common/layout.pug
+++ b/layout/_common/layout.pug
@@ -15,13 +15,13 @@ html(lang=config.language)
 
     include ../_scripts/vendors.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
+    include ../_third-party/comments/index.pug
 
     if theme.pjax && theme.pjax.enable
       include ../_third-party/pjax.pug
 
+    include ../_third-party/analytics/busuanzi.pug
+    include ../_third-party/advertising/index.pug
+    include ../_third-party/math/index.pug
     include ../_scripts/stun.pug
diff --git a/layout/_scripts/vendors.pug b/layout/_scripts/vendors.pug
index 9f07784a36ed5fe058efa0ae07b15f6b0c00dc97..95d1f4429af54171a26082d92c804356e367ffbf 100644
--- a/layout/_scripts/vendors.pug
+++ b/layout/_scripts/vendors.pug
@@ -1,10 +1,3 @@
-//- Reset `window.Promise` when it was not a function.
-//- IE refers the element whose id is `Promise` as `window.Promise`, this causes Velocity throwing an exception
-script.
-  if (Object.prototype.toString.call(window.Promise) !== '[object Function]') {
-    window.Promise = null;
-  }
-
 - var jquery_js = "https://cdn.jsdelivr.net/npm/jquery@v3.4.1/dist/jquery.min.js"
 - var velocity_js = "https://cdn.jsdelivr.net/npm/velocity-animate@1.5.2/velocity.min.js"
 - var velocity_ui_js = "https://cdn.jsdelivr.net/npm/velocity-animate@1.5.2/velocity.ui.min.js"
diff --git a/layout/_third-party/analytics/analytics-widget.pug b/layout/_third-party/analytics/analytics-widget.pug
deleted file mode 100644
index ab6cb82962e8aa71665bdd3ec0b0ef25cea9cbde..0000000000000000000000000000000000000000
--- a/layout/_third-party/analytics/analytics-widget.pug
+++ /dev/null
@@ -1,6 +0,0 @@
-if theme.google_analytics
-  include ./google-analytics.pug
-if theme.baidu_analytics
-  include ./baidu-analytics.pug
-if theme.tencent_analytics
-  include ./tencent-analytics.pug
diff --git a/layout/_third-party/analytics/busuanzi.pug b/layout/_third-party/analytics/busuanzi.pug
index 37e612087c8ab2ab006551f83aabfbc6f8cb8dcd..9c2e9faf178521c7480a2e67de5e6b7ed8552807 100644
--- a/layout/_third-party/analytics/busuanzi.pug
+++ b/layout/_third-party/analytics/busuanzi.pug
@@ -1,5 +1,27 @@
--
-  var busuanzi_js = "https://cdn.jsdelivr.net/gh/sukkaw/busuanzi@latest/bsz.pure.mini.js"
-  if (theme.cdn.busuanzi) busuanzi_js = theme.cdn.busuanzi
+if theme.busuanzi.enable
+  - var busuanzi_js = "https://cdn.jsdelivr.net/gh/sukkaw/busuanzi@latest/bsz.pure.mini.js"
+  - if (theme.cdn.busuanzi) busuanzi_js = theme.cdn.busuanzi
 
-script(async src=busuanzi_js)
+  script.
+    window.addEventListener('load', function () {
+      Stun.utils.pjaxReloadBusuanzi = function () {
+        (function(d, s) {
+          // Remove old script of busuanzi
+          var old = d.getElementById('busuazi_statistics');
+
+          if (old) {
+            var parent = d.querySelector('head');
+            parent.removeChild(old);
+          }
+
+          var d = document, s = d.createElement('script');
+          s.id = 'busuazi_statistics'
+          s.src = '!{ busuanzi_js }';
+          s.setAttribute('async', '');
+          (d.head || d.body).appendChild(s);
+        })(document, 'script');
+      };
+
+      // Initialization
+      Stun.utils.pjaxReloadBusuanzi();
+    }, false);
diff --git a/layout/_third-party/analytics/index.pug b/layout/_third-party/analytics/index.pug
index 7bdfba674856c1246c02072a50815b7614b1f5d3..ab6cb82962e8aa71665bdd3ec0b0ef25cea9cbde 100644
--- a/layout/_third-party/analytics/index.pug
+++ b/layout/_third-party/analytics/index.pug
@@ -1,2 +1,6 @@
-if theme.busuanzi.enable
-  include ./busuanzi.pug
+if theme.google_analytics
+  include ./google-analytics.pug
+if theme.baidu_analytics
+  include ./baidu-analytics.pug
+if theme.tencent_analytics
+  include ./tencent-analytics.pug
diff --git a/layout/_third-party/comments/disqus.pug b/layout/_third-party/comments/disqus.pug
index 84bf15a4cce46ec338f7294f29e7c5b40afe8991..0e9f5e3a49698f26e8461ae30b4e35bf86c7e779 100644
--- a/layout/_third-party/comments/disqus.pug
+++ b/layout/_third-party/comments/disqus.pug
@@ -5,13 +5,19 @@ script.
     this.page.title = '!{ page.title }';
   };
 
-  (function() {
-    var d = document, s = d.createElement('script');
-    s.src = 'https://!{ theme.disqus.shortname }.disqus.com/embed.js';
-    s.setAttribute('data-timestamp', '' + +new Date());
-    (d.head || d.body).appendChild(s);
-  })();
+  window.addEventListener('load', function () {
+    Stun.utils.pjaxReloadDisqus = function () {
+      (function(d, s) {
+        var d = document, s = d.createElement('script');
+        s.src = 'https://!{ theme.disqus.shortname }.disqus.com/embed.js';
+        s.setAttribute('data-timestamp', '' + +new Date());
+        (d.head || d.body).appendChild(s);
+      })(document, 'script');
+    };
+
+    // Initialization
+    Stun.utils.pjaxReloadDisqus();
+  }, false);
 
 if theme.disqus.count
-  script#dsq-count-scr(
-    src='https://' + theme.disqus.shortname + '.disqus.com/count.js' async)
+  script(async src='https://' + theme.disqus.shortname + '.disqus.com/count.js')#dsq-count-scr
diff --git a/layout/_third-party/comments/gitalk.pug b/layout/_third-party/comments/gitalk.pug
index 85c84a1c8dba692413e2fbb72458c0af0fa3f5b4..ab2075e7e88fabae80187c03ce05f31c7aaaf700 100644
--- a/layout/_third-party/comments/gitalk.pug
+++ b/layout/_third-party/comments/gitalk.pug
@@ -14,15 +14,20 @@ script(src=gitalk_md5)
 
 script.
   window.addEventListener('load', function () {
-    var gitalk = new Gitalk({
-      id: md5('!{ page.path }'),
-      clientID: '!{ theme.gitalk.client_id }',
-      clientSecret: '!{ theme.gitalk.client_secret }',
-      repo: '!{ theme.gitalk.repo }',
-      owner: '!{ theme.gitalk.owner }',
-      admin: ['!{ theme.gitalk.admin }'],
-      distractionFreeMode: '!{ theme.gitalk.distraction_free_mode }',
-      language: '!{ lang }'
-    });
-    gitalk.render('gitalk-container');
+    Stun.utils.pjaxReloadGitalk = function () {
+      var gitalk = new Gitalk({
+        id: md5('!{ page.path }'),
+        clientID: '!{ theme.gitalk.client_id }',
+        clientSecret: '!{ theme.gitalk.client_secret }',
+        repo: '!{ theme.gitalk.repo }',
+        owner: '!{ theme.gitalk.owner }',
+        admin: ['!{ theme.gitalk.admin }'],
+        distractionFreeMode: '!{ theme.gitalk.distraction_free_mode }',
+        language: '!{ lang }'
+      });
+      gitalk.render('gitalk-container');
+    };
+
+    // Initialization
+    Stun.utils.pjaxReloadGitalk();
   }, false);
diff --git a/layout/_third-party/comments/livere.pug b/layout/_third-party/comments/livere.pug
index 022820c23861ad50fa46651755415dd2c02ea3e7..79fbd61c30f316233bccea98f9e73e2822582115 100644
--- a/layout/_third-party/comments/livere.pug
+++ b/layout/_third-party/comments/livere.pug
@@ -1,12 +1,17 @@
 script.
   window.addEventListener('load', function () {
-    (function(d, s) {
-      var j, e = d.getElementsByTagName(s)[0];
-      if (typeof LivereTower === 'function') { return; }
+    Stun.utils.pjaxReloadLivere = function () {
+      (function(d, s) {
+        var j, e = d.getElementsByTagName(s)[0];
+        if (typeof LivereTower === 'function') { return; }
 
-      j = d.createElement(s);
-      j.src = 'https://cdn-city.livere.com/js/embed.dist.js';
-      j.async = true;
-      e.parentNode.insertBefore(j, e);
-    })(document, 'script');
+        j = d.createElement(s);
+        j.src = 'https://cdn-city.livere.com/js/embed.dist.js';
+        j.async = true;
+        e.parentNode.insertBefore(j, e);
+      })(document, 'script');
+    };
+
+    // Initialization
+    Stun.utils.pjaxReloadLivere();
   }, false);
diff --git a/layout/_third-party/comments/valine.pug b/layout/_third-party/comments/valine.pug
index c9bec10cb35ffc8a6c290bcca390efa5e62a92f2..6f6f4888a933496ae1d927437378c9a27f422c87 100644
--- a/layout/_third-party/comments/valine.pug
+++ b/layout/_third-party/comments/valine.pug
@@ -10,25 +10,30 @@ script(src=valine_js)
 
 script.
   window.addEventListener('load', function () {
-    var GUEST_INFO = ['nick', 'mail', 'link'];
-    var guest_info = '!{ theme.valine.meta }';
+    Stun.utils.pjaxReloadValine = function () {
+      var GUEST_INFO = ['nick', 'mail', 'link'];
+      var guest_info = '!{ theme.valine.meta }';
 
-    guest_info = guest_info.split(',').filter(function(item) {
-      return GUEST_INFO.indexOf(item) > -1;
-    });
+      guest_info = guest_info.split(',').filter(function(item) {
+        return GUEST_INFO.indexOf(item) > -1;
+      });
 
-    new Valine({
-      el: '#comments',
-      appId: '!{ theme.valine.appid }',
-      appKey: '!{ theme.valine.appkey }',
-      notify: !{ theme.valine.notify },
-      verify: !{ theme.valine.verify },
-      placeholder: '!{ theme.valine.placeholder }',
-      avatar: '!{ theme.valine.avatar }',
-      meta: guest_info,
-      pageSize: '!{ theme.valine.pageSize }' || 10,
-      visitor: !{ theme.valine.visitor },
-      recordIP: !{ theme.valine.recordIP },
-      lang: '!{ theme.valine.language }' || 'zh-cn'
-    });
+      new Valine({
+        el: '#comments',
+        appId: '!{ theme.valine.appid }',
+        appKey: '!{ theme.valine.appkey }',
+        notify: !{ theme.valine.notify },
+        verify: !{ theme.valine.verify },
+        placeholder: '!{ theme.valine.placeholder }',
+        avatar: '!{ theme.valine.avatar }',
+        meta: guest_info,
+        pageSize: '!{ theme.valine.pageSize }' || 10,
+        visitor: !{ theme.valine.visitor },
+        recordIP: !{ theme.valine.recordIP },
+        lang: '!{ theme.valine.language }' || 'zh-cn'
+      });
+    };
+
+    // Initialization
+    Stun.utils.pjaxReloadValine();
   }, false);
diff --git a/layout/_third-party/math/index.pug b/layout/_third-party/math/index.pug
index 20afc772c47a38939c59ca7c8cd39d7a7c32d865..51e0fdfaa1828a6f500e2e4eaff38355fe0efe29 100644
--- a/layout/_third-party/math/index.pug
+++ b/layout/_third-party/math/index.pug
@@ -8,7 +8,7 @@ if theme.math.enable
     - })
 
   if !is_tag() && !is_category() && !is_archive()
-    if isHomeHasMath || (theme.math.per_page || page.math)
+    if theme.pjax.enable || isHomeHasMath || (theme.math.per_page || page.math)
       if theme.math.engine === "mathjax"
         include ./mathjax.pug
       else if theme.math.engine === "katex"
diff --git a/layout/_third-party/math/katex.pug b/layout/_third-party/math/katex.pug
index 68f82104474e2561fbe01546a380cdda70c61ce1..e3d535336592c962e5c9fb394f7d0f594dc34ef0 100644
--- a/layout/_third-party/math/katex.pug
+++ b/layout/_third-party/math/katex.pug
@@ -1,3 +1,16 @@
 if theme.math.katex.copy_tex.enable
   if theme.math.katex.copy_tex.copy_tex_js
-    script(async src=theme.math.katex.copy_tex.copy_tex_js)
+    script.
+      window.addEventListener('load', function () {
+        Stun.utils.pjaxReloadCopyKatex = function () {
+          (function(d, s) {
+            var d = document, s = d.createElement('script');
+            s.src = '!{ theme.math.katex.copy_tex.copy_tex_js }';
+            s.setAttribute('async', '');
+            (d.head || d.body).appendChild(s);
+          })(document, 'script');
+        };
+
+        // Initialization
+        Stun.utils.pjaxReloadCopyKatex();
+      }, false);
diff --git a/layout/_third-party/math/katex_css.pug b/layout/_third-party/math/katex_css.pug
index 95dd85aaf4b22851fad1c7a23b48fc21c2744a88..25f629c0cd01b9c35601c37dd3bc8ce1f4018878 100644
--- a/layout/_third-party/math/katex_css.pug
+++ b/layout/_third-party/math/katex_css.pug
@@ -8,7 +8,7 @@ if theme.math.enable
     - })
 
   if !is_tag() && !is_category() && !is_archive()
-    if isHomeHasMath || (theme.math.per_page || page.math)
+    if theme.pjax.enable || isHomeHasMath || (theme.math.per_page || page.math)
       if theme.math.engine === "katex"
         link(href=theme.math.katex.cdn rel="stylesheet" type="text/css")
 
diff --git a/layout/_third-party/math/mathjax.pug b/layout/_third-party/math/mathjax.pug
index 9734fdf2f1768c0bd7eac6bea40bd2169e434eec..129e098ea6c7202e9ef35ad7fe85d47f7d89c9f6 100644
--- a/layout/_third-party/math/mathjax.pug
+++ b/layout/_third-party/math/mathjax.pug
@@ -1,8 +1,8 @@
 script(type="text/x-mathjax-config").
   var mathjaxMhchem = '';
 
-  if (!!'!{theme.math.mathjax.mhchem}') {
-    mathjaxMhchem = '!{theme.math.mathjax.mhchem}'
+  if (!{ theme.math.mathjax.mhchem.enable }) {
+    mathjaxMhchem = '!{ theme.math.mathjax.mhchem.mhchem_js }';
     MathJax.Ajax.config.path['mhchem'] = mathjaxMhchem;
   }
 
@@ -24,13 +24,12 @@ script(type="text/x-mathjax-config").
     MathJax.InputJax.TeX.prefilterHooks.Add(function(data) {
       if (data.display) {
         var next = data.script.nextSibling;
-        while (next && next.nodeName.toLowerCase() === '#text') { next = next.nextSibling }
-        if (next && next.nodeName.toLowerCase() === 'br') { next.parentNode.removeChild(next) }
+        while (next && next.nodeName.toLowerCase() === '#text') { next = next.nextSibling; }
+        if (next && next.nodeName.toLowerCase() === 'br') { next.parentNode.removeChild(next); }
       }
     });
   });
 
-script(type="text/x-mathjax-config").
   MathJax.Hub.Queue(function() {
     var all = MathJax.Hub.getAllJax(), i;
     for (i = 0; i < all.length; i++) {
@@ -38,4 +37,4 @@ script(type="text/x-mathjax-config").
     }
   });
 
-script(src=theme.math.mathjax.cdn async)
+script(async src=theme.math.mathjax.cdn)
diff --git a/layout/_third-party/pjax.pug b/layout/_third-party/pjax.pug
index 9a61eace0250bef358b5905dca473f130f41a0ea..52f437e05d25b35b45f292057088a17164ab4a6b 100644
--- a/layout/_third-party/pjax.pug
+++ b/layout/_third-party/pjax.pug
@@ -32,6 +32,28 @@
 
   pjaxArgs = JSON.stringify(pjaxArgs)
 
+  var enabledCommentName = '';
+  var isEnableComment = false;
+
+  if (page.comments) {
+    if (theme.gitment && theme.gitment.enable) {
+      isEnableComment = true;
+      enabledCommentName = 'Gitment';
+    } else if (theme.gitalk && theme.gitalk.enable) {
+      isEnableComment = true;
+      enabledCommentName = 'Gitalk';
+    } else if (theme.livere && theme.livere.enable) {
+      isEnableComment = true;
+      enabledCommentName = 'Livere';
+    } else if (theme.disqus && theme.disqus.enable) {
+      isEnableComment = true;
+      enabledCommentName = 'Disqus';
+    } else if (theme.valine && theme.valine.enable) {
+      isEnableComment = true;
+      enabledCommentName = 'Valine';
+    }
+  }
+
 if theme.pjax && theme.pjax.enable
   - var pjax_js = "https://cdn.jsdelivr.net/npm/pjax@latest/pjax.min.js"
   - if (theme.cdn.pjax) pjax_js = theme.cdn.pjax
@@ -44,9 +66,13 @@ script.
     var pjax = new Pjax(!{ pjaxArgs });
     // 加载进度条的计时器
     var loadingTimer = null;
+    // 是否第一次加载 pjax
+    var isFirstLoad = true;
 
     // 重置页面 Y 方向上的滚动偏移量
     document.addEventListener('pjax:send', function () {
+      isFirstLoad = false;
+
       $('html').velocity('scroll', {
         duration: 500,
         offset: $('#header').height(),
@@ -84,5 +110,21 @@ script.
       Stun.utils.pjaxReloadBoot();
       Stun.utils.pjaxReloadScroll();
       Stun.utils.pjaxReloadSidebar();
+
+      // 重载评论
+      if (!{ isEnableComment }) {
+        var reloadFnName = 'pjaxReload' + '!{ enabledCommentName }';
+        var comment = Stun.utils[reloadFnName];
+
+        comment && comment();
+      }
+
+      // 重载 KaTex（只有当第一次加载 pjax 才重载）
+      if (isFirstLoad) {
+        Stun.utils.pjaxReloadCopyKatex();
+      }
+
+      // 重载 busuanzi
+      Stun.utils.pjaxReloadBusuanzi();
     }, false);
   }, false);