diff --git a/2023/07/05/zhihu-aac-old/index.html b/2023/07/05/zhihu-aac-old/index.html
index 676627c..dc8ab3e 100644
--- a/2023/07/05/zhihu-aac-old/index.html
+++ b/2023/07/05/zhihu-aac-old/index.html
@@ -25,7 +25,7 @@
 <meta property="og:locale" content="zh_CN">
 <meta property="og:image" content="https://blog.cxzlw.top/imgs/image.png">
 <meta property="article:published_time" content="2023-07-05T01:49:31.000Z">
-<meta property="article:modified_time" content="2023-07-04T17:55:08.561Z">
+<meta property="article:modified_time" content="2023-07-05T02:48:32.220Z">
 <meta property="article:author" content="cxzlw">
 <meta property="article:tag" content="知乎">
 <meta property="article:tag" content="反爬">
diff --git a/about/index.html b/about/index.html
index 4c7da73..8ab9394 100644
--- a/about/index.html
+++ b/about/index.html
@@ -24,7 +24,7 @@
 <meta property="og:description" content="欢迎来到我的博客">
 <meta property="og:locale" content="zh_CN">
 <meta property="article:published_time" content="2023-07-03T01:01:41.000Z">
-<meta property="article:modified_time" content="2023-07-04T17:55:08.561Z">
+<meta property="article:modified_time" content="2023-07-05T02:48:32.220Z">
 <meta property="article:author" content="cxzlw">
 <meta name="twitter:card" content="summary_large_image">
   
diff --git a/css/gitalk.css b/css/gitalk.css
index a268f1d..d1191ae 100644
--- a/css/gitalk.css
+++ b/css/gitalk.css
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diff --git a/css/highlight-dark.css b/css/highlight-dark.css
index 9cae4a7..9ed546b 100644
--- a/css/highlight-dark.css
+++ b/css/highlight-dark.css
@@ -1 +1 @@
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+pre code.hljs{display:block;overflow-x:auto;padding:1em}code.hljs{padding:3px 5px}.hljs{color:#ddd;background:#303030}.hljs-keyword,.hljs-link,.hljs-literal,.hljs-section,.hljs-selector-tag{color:#fff}.hljs-addition,.hljs-attribute,.hljs-built_in,.hljs-bullet,.hljs-name,.hljs-string,.hljs-symbol,.hljs-template-tag,.hljs-template-variable,.hljs-title,.hljs-type,.hljs-variable{color:#d88}.hljs-comment,.hljs-deletion,.hljs-meta,.hljs-quote{color:#979797}.hljs-doctag,.hljs-keyword,.hljs-literal,.hljs-name,.hljs-section,.hljs-selector-tag,.hljs-strong,.hljs-title,.hljs-type{font-weight:700}.hljs-emphasis{font-style:italic}
\ No newline at end of file
diff --git a/css/highlight.css b/css/highlight.css
index 96af284..275239a 100644
--- a/css/highlight.css
+++ b/css/highlight.css
@@ -7,4 +7,4 @@ pre code.hljs{display:block;overflow-x:auto;padding:1em}code.hljs{padding:3px 5p
 
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\ No newline at end of file
diff --git a/css/main.css b/css/main.css
index 1df74cd..11ebdd3 100644
--- a/css/main.css
+++ b/css/main.css
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-i.iconfont {
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-:root {
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-  :root {
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-  }
-  :root:not([data-user-color-scheme]) {
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.hidden-mobile,.post-prevnext .post-prev .hidden-mobile{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;text-overflow:ellipsis;overflow:hidden}@media (max-width:575px){.post-prevnext .post-next .hidden-mobile,.post-prevnext .post-prev .hidden-mobile{display:none}}.post-prevnext .post-next:active i,.post-prevnext .post-next:hover i,.post-prevnext .post-prev:active i,.post-prevnext .post-prev:hover i{-webkit-animation-duration:1s;animation-duration:1s;-webkit-animation-delay:.1s;animation-delay:.1s;-webkit-animation-timing-function:ease-in-out;animation-timing-function:ease-in-out;-webkit-animation-iteration-count:infinite;animation-iteration-count:infinite;-webkit-animation-fill-mode:forwards;animation-fill-mode:forwards;-webkit-animation-direction:alternate;animation-direction:alternate}.post-prevnext .post-prev:active i,.post-prevnext .post-prev:hover i{-webkit-animation-name:post-prev-anim;animation-name:post-prev-anim}.post-prevnext .post-next:active i,.post-prevnext .post-next:hover i{-webkit-animation-name:post-next-anim;animation-name:post-next-anim}.post-prevnext .post-next{justify-content:flex-end}.post-prevnext .fa-chevron-left{margin-right:.5rem}.post-prevnext .fa-chevron-right{margin-left:.5rem}#seo-header{color:var(--post-heading-color);font-weight:700;margin-top:.5em;margin-bottom:.75em;border-bottom-color:var(--line-color);border-bottom-style:solid;border-bottom-width:2px;line-height:1.5}#comments,.custom{margin-top:2rem}#comments noscript{display:block;text-align:center;padding:2rem 0}.visitors{font-size:.8em;padding:.45rem;float:right}a.fancybox:hover{text-decoration:none}.mjx-container,mjx-container{overflow-x:auto;overflow-y:hidden!important;padding:.5em 0}.mjx-container svg:focus,.mjx-container:focus,mjx-container svg:focus,mjx-container:focus{outline:0}.mjx-char{line-height:1}.katex-block{overflow-x:auto}.katex,.mjx-mrow{white-space:pre-wrap!important}.footnote-ref [class*=hint--][aria-label]:after{max-width:12rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}@-moz-keyframes post-prev-anim{0%{-webkit-transform:translateX(0);transform:translateX(0)}50%{-webkit-transform:translateX(-.35rem);transform:translateX(-.35rem)}100%{-webkit-transform:translateX(0);transform:translateX(0)}}@-webkit-keyframes post-prev-anim{0%{-webkit-transform:translateX(0);transform:translateX(0)}50%{-webkit-transform:translateX(-.35rem);transform:translateX(-.35rem)}100%{-webkit-transform:translateX(0);transform:translateX(0)}}@-o-keyframes post-prev-anim{0%{-webkit-transform:translateX(0);transform:translateX(0)}50%{-webkit-transform:translateX(-.35rem);transform:translateX(-.35rem)}100%{-webkit-transform:translateX(0);transform:translateX(0)}}@keyframes post-prev-anim{0%{-webkit-transform:translateX(0);transform:translateX(0)}50%{-webkit-transform:translateX(-.35rem);transform:translateX(-.35rem)}100%{-webkit-transform:translateX(0);transform:translateX(0)}}@-moz-keyframes post-next-anim{0%{-webkit-transform:translateX(0);transform:translateX(0)}50%{-webkit-transform:translateX(.35rem);transform:translateX(.35rem)}100%{-webkit-transform:translateX(0);transform:translateX(0)}}@-webkit-keyframes post-next-anim{0%{-webkit-transform:translateX(0);transform:translateX(0)}50%{-webkit-transform:translateX(.35rem);transform:translateX(.35rem)}100%{-webkit-transform:translateX(0);transform:translateX(0)}}@-o-keyframes post-next-anim{0%{-webkit-transform:translateX(0);transform:translateX(0)}50%{-webkit-transform:translateX(.35rem);transform:translateX(.35rem)}100%{-webkit-transform:translateX(0);transform:translateX(0)}}@keyframes post-next-anim{0%{-webkit-transform:translateX(0);transform:translateX(0)}50%{-webkit-transform:translateX(.35rem);transform:translateX(.35rem)}100%{-webkit-transform:translateX(0);transform:translateX(0)}}.note{padding:.75rem;border-left:.35rem solid;border-radius:.25rem;margin:1.5rem 0;color:var(--text-color);transition:color .2s ease-in-out;font-size:.9rem}.note a{color:var(--text-color);transition:color .2s ease-in-out}.note :last-child{margin-bottom:0}.note-primary{background-color:rgba(183,160,224,.25);border-color:#6f42c1}.note-secondary,note-default{background-color:rgba(187,187,187,.25);border-color:#777}.note-success{background-color:rgba(174,220,174,.25);border-color:#5cb85c}.note-danger{background-color:rgba(236,169,167,.25);border-color:#d9534f}.note-warning{background-color:rgba(248,214,166,.25);border-color:#f0ad4e}.note-info{background-color:rgba(160,197,228,.25);border-color:#428bca}.note-light{background-color:rgba(254,254,254,.25);border-color:#0f0f0f}.label{display:inline;border-radius:3px;font-size:85%;margin:0;padding:.2em .4em;color:var(--text-color);transition:color .2s ease-in-out}.label-default{background:rgba(187,187,187,.25)}.label-primary{background:rgba(183,160,224,.25)}.label-info{background:rgba(160,197,228,.25)}.label-success{background:rgba(174,220,174,.25)}.label-warning{background:rgba(248,214,166,.25)}.label-danger{background:rgba(236,169,167,.25)}.markdown-body .btn{border:1px solid var(--line-color);background-color:var(--button-bg-color);color:var(--text-color);transition:color .2s ease-in-out,background .2s ease-in-out,border-color .2s ease-in-out;border-radius:.25rem;display:inline-block;font-size:.875em;line-height:2;padding:0 .75rem;margin-bottom:1rem}.markdown-body .btn:hover{background-color:var(--button-hover-bg-color);text-decoration:none}.group-image-container{margin:1.5rem auto}.group-image-container img{margin:0 auto;border-radius:3px;background-color:transparent;box-shadow:0 3px 9px 0 rgba(0,0,0,.15),0 3px 9px 0 rgba(0,0,0,.15)}.group-image-row{margin-bottom:.5rem;display:flex;justify-content:center}.group-image-wrap{flex:1;display:flex;justify-content:center}.group-image-wrap:not(:last-child){margin-right:.25rem}input[type=checkbox]{margin:0 .2em .2em 0;vertical-align:middle}.list-group a~p.h5{margin-top:1rem}.list-group-item{display:flex;background-color:transparent;border:0}.list-group-item time{flex:0 0 5rem}.list-group-item .list-group-item-title{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}@media (max-width:575px){.list-group-item{font-size:.95rem;padding:.5rem .75rem}.list-group-item time{flex:0 0 4rem}}.list-group-item-action{color:var(--text-color)}.list-group-item-action:focus,.list-group-item-action:hover{color:var(--link-hover-color);background-color:var(--link-hover-bg-color)}.about-avatar{position:relative;margin:-8rem auto 1rem;width:10rem;height:10rem;z-index:3}.about-avatar img{width:100%;height:100%;border-radius:50%;background-color:transparent;object-fit:cover;box-shadow:0 2px 5px 0 rgba(0,0,0,.16),0 2px 10px 0 rgba(0,0,0,.12)}.about-info>div{margin-bottom:.5rem}.about-name{font-size:1.75rem;font-weight:700}.about-intro{font-size:1rem}.about-icons>a:not(:last-child){margin-right:.5rem}.about-icons>a>i{font-size:1.5rem}.category-bar .category-list{max-height:85vh;overflow-y:auto;overflow-x:hidden}.category-bar .category-list::-webkit-scrollbar{display:none}.category-bar .category-list>.category-sub>a{font-weight:700;font-size:1.2rem}.category-bar .category-list .category-item-action i{margin:0}.category-bar .category-list .category-subitem.list-group-item{padding-left:.5rem;padding-right:0}.category-bar .category-list .category-collapse .category-post-list{margin-top:.25rem;margin-bottom:.5rem}.category-bar .category-list .category-collapse .category-post{font-size:.9rem;line-height:1.75}.category-bar .category-list .category-item-action:hover{background-color:initial}.category-bar .list-group-item{padding:0}.category-bar .list-group-item.active{color:var(--link-hover-color);background-color:initial;font-weight:700;font-family:iconfont;font-style:normal;-webkit-font-smoothing:antialiased}.category-bar .list-group-item.active::before{content:"\e61f";font-weight:initial;margin-right:.25rem}.category-bar .list-group-count{margin-left:.2rem;margin-right:.2rem;font-size:.9em}.category-bar .list-group-item-action:focus,.category-bar .list-group-item-action:hover{background-color:initial}.category-chains{display:flex;flex-wrap:wrap}.category-chains>:not(:last-child){margin-right:1em}.category:not(:last-child){margin-bottom:1rem}.category .category-item,.category .category-subitem{font-weight:700;display:flex;align-items:center}.category .category-item{font-size:1.25rem}.category .category-subitem{font-size:1.1rem}.category .category-collapse{padding-left:1.25rem;width:100%}.category .category-count{font-size:.9rem;font-weight:initial;min-width:1.3em;line-height:1.3em;display:flex;align-items:center}.category .category-count i{padding-right:.25rem}.category .category-count span{width:2rem}.category .category-post{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.category .category-item-action:not(.collapsed)>i{transform:rotate(90deg);transform-origin:center center}.category .category-item-action i{transition:transform .3s ease-out;display:inline-block;margin-left:.25rem}.category .category-item-action .category:hover{z-index:1;color:var(--link-hover-color);text-decoration:none;background-color:var(--link-hover-bg-color)}.category .row{margin-left:0;margin-right:0}.tagcloud{padding:1rem 5%}.tagcloud a{display:inline-block;padding:.5rem}.tagcloud a:hover{color:var(--link-hover-color)!important}.links .card{box-shadow:none;min-width:33%;background-color:transparent;border:0}.links .card-body{margin:1rem 0;padding:1rem;border-radius:.3rem;display:block;width:100%;height:100%}.links .card-body:hover .link-avatar{transform:scale(1.1)}.links .card-content{display:flex;flex-wrap:nowrap;width:100%;height:3.5rem}.link-avatar{flex:none;width:3rem;height:3rem;margin-right:.75rem;object-fit:cover;transition-duration:.2s;transition-timing-function:ease-in-out}.link-avatar img{width:100%;height:100%;border-radius:50%;background-color:transparent;object-fit:cover}.link-text{flex:1;display:grid;flex-direction:column;line-height:1.5}.link-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-color);font-weight:700}.link-intro{max-height:2rem;font-size:.85rem;line-height:1.2;color:var(--sec-text-color);display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;text-overflow:ellipsis;overflow:hidden}@media (max-width:767px){.links{display:flex;flex-direction:column;justify-content:center;align-items:center}.links .card{padding-left:2rem;padding-right:2rem}}@media (min-width:768px){.link-text:only-child{margin-left:1rem}}
\ No newline at end of file
diff --git a/js/boot.js b/js/boot.js
index 26c3a1a..82566ec 100644
--- a/js/boot.js
+++ b/js/boot.js
@@ -1,22 +1 @@
-/* global Fluid */
-
-Fluid.boot = {};
-
-Fluid.boot.registerEvents = function() {
-  Fluid.events.billboard();
-  Fluid.events.registerNavbarEvent();
-  Fluid.events.registerParallaxEvent();
-  Fluid.events.registerScrollDownArrowEvent();
-  Fluid.events.registerScrollTopArrowEvent();
-  Fluid.events.registerImageLoadedEvent();
-};
-
-Fluid.boot.refresh = function() {
-  Fluid.plugins.fancyBox();
-  Fluid.plugins.codeWidget();
-  Fluid.events.refresh();
-};
-
-document.addEventListener('DOMContentLoaded', function() {
-  Fluid.boot.registerEvents();
-});
+Fluid.boot={},Fluid.boot.registerEvents=function(){Fluid.events.billboard(),Fluid.events.registerNavbarEvent(),Fluid.events.registerParallaxEvent(),Fluid.events.registerScrollDownArrowEvent(),Fluid.events.registerScrollTopArrowEvent(),Fluid.events.registerImageLoadedEvent()},Fluid.boot.refresh=function(){Fluid.plugins.fancyBox(),Fluid.plugins.codeWidget(),Fluid.events.refresh()},document.addEventListener("DOMContentLoaded",(function(){Fluid.boot.registerEvents()}));
\ No newline at end of file
diff --git a/js/color-schema.js b/js/color-schema.js
index 93924ca..4260aaa 100644
--- a/js/color-schema.js
+++ b/js/color-schema.js
@@ -1,279 +1 @@
-/* global Fluid */
-
-/**
- * Modified from https://blog.skk.moe/post/hello-darkmode-my-old-friend/
- */
-(function(window, document) {
-  var rootElement = document.documentElement;
-  var colorSchemaStorageKey = 'Fluid_Color_Scheme';
-  var colorSchemaMediaQueryKey = '--color-mode';
-  var userColorSchemaAttributeName = 'data-user-color-scheme';
-  var defaultColorSchemaAttributeName = 'data-default-color-scheme';
-  var colorToggleButtonSelector = '#color-toggle-btn';
-  var colorToggleIconSelector = '#color-toggle-icon';
-
-  function setLS(k, v) {
-    try {
-      localStorage.setItem(k, v);
-    } catch (e) {}
-  }
-
-  function removeLS(k) {
-    try {
-      localStorage.removeItem(k);
-    } catch (e) {}
-  }
-
-  function getLS(k) {
-    try {
-      return localStorage.getItem(k);
-    } catch (e) {
-      return null;
-    }
-  }
-
-  function getSchemaFromHTML() {
-    var res = rootElement.getAttribute(defaultColorSchemaAttributeName);
-    if (typeof res === 'string') {
-      return res.replace(/["'\s]/g, '');
-    }
-    return null;
-  }
-
-  function getSchemaFromCSSMediaQuery() {
-    var res = getComputedStyle(rootElement).getPropertyValue(
-      colorSchemaMediaQueryKey
-    );
-    if (typeof res === 'string') {
-      return res.replace(/["'\s]/g, '');
-    }
-    return null;
-  }
-
-  function resetSchemaAttributeAndLS() {
-    rootElement.setAttribute(userColorSchemaAttributeName, getDefaultColorSchema());
-    removeLS(colorSchemaStorageKey);
-  }
-
-  var validColorSchemaKeys = {
-    dark : true,
-    light: true
-  };
-
-  function getDefaultColorSchema() {
-    // 取默认字段的值
-    var schema = getSchemaFromHTML();
-    // 如果明确指定了 schema 则返回
-    if (validColorSchemaKeys[schema]) {
-      return schema;
-    }
-    // 默认优先按 prefers-color-scheme
-    schema = getSchemaFromCSSMediaQuery();
-    if (validColorSchemaKeys[schema]) {
-      return schema;
-    }
-    // 否则按本地时间是否大于 18 点或凌晨 0 ~ 6 点
-    var hours = new Date().getHours();
-    if (hours >= 18 || (hours >= 0 && hours <= 6)) {
-      return 'dark';
-    }
-    return 'light';
-  }
-
-  function applyCustomColorSchemaSettings(schema) {
-    // 接受从「开关」处传来的模式，或者从 localStorage 读取，否则按默认设置值
-    var current = schema || getLS(colorSchemaStorageKey) || getDefaultColorSchema();
-
-    if (current === getDefaultColorSchema()) {
-      // 当用户切换的显示模式和默认模式相同时，则恢复为自动模式
-      resetSchemaAttributeAndLS();
-    } else if (validColorSchemaKeys[current]) {
-      rootElement.setAttribute(
-        userColorSchemaAttributeName,
-        current
-      );
-    } else {
-      // 特殊情况重置
-      resetSchemaAttributeAndLS();
-      return;
-    }
-
-    // 根据当前模式设置图标
-    setButtonIcon(current);
-
-    // 设置代码高亮
-    setHighlightCSS(current);
-
-    // 设置其他应用
-    setApplications(current);
-  }
-
-  var invertColorSchemaObj = {
-    dark : 'light',
-    light: 'dark'
-  };
-
-  function getIconClass(scheme) {
-    return 'icon-' + scheme;
-  }
-
-  function toggleCustomColorSchema() {
-    var currentSetting = getLS(colorSchemaStorageKey);
-
-    if (validColorSchemaKeys[currentSetting]) {
-      // 从 localStorage 中读取模式，并取相反的模式
-      currentSetting = invertColorSchemaObj[currentSetting];
-    } else if (currentSetting === null) {
-      // 当 localStorage 中没有相关值，或者 localStorage 抛了 Error
-      // 先按照按钮的状态进行切换
-      var iconElement = document.querySelector(colorToggleIconSelector);
-      if (iconElement) {
-        currentSetting = iconElement.getAttribute('data');
-      }
-      if (!iconElement || !validColorSchemaKeys[currentSetting]) {
-        // 当 localStorage 中没有相关值，或者 localStorage 抛了 Error，则读取默认值并切换到相反的模式
-        currentSetting = invertColorSchemaObj[getSchemaFromCSSMediaQuery()];
-      }
-    } else {
-      return;
-    }
-    // 将相反的模式写入 localStorage
-    setLS(colorSchemaStorageKey, currentSetting);
-
-    return currentSetting;
-  }
-
-  function setButtonIcon(schema) {
-    if (validColorSchemaKeys[schema]) {
-      // 切换图标
-      var icon = getIconClass('dark');
-      if (schema) {
-        icon = getIconClass(schema);
-      }
-      var iconElement = document.querySelector(colorToggleIconSelector);
-      if (iconElement) {
-        iconElement.setAttribute(
-          'class',
-          'iconfont ' + icon
-        );
-        iconElement.setAttribute(
-          'data',
-          invertColorSchemaObj[schema]
-        );
-      } else {
-        // 如果图标不存在则说明图标还没加载出来，等到页面全部加载再尝试切换
-        Fluid.utils.waitElementLoaded(colorToggleIconSelector, function() {
-          var iconElement = document.querySelector(colorToggleIconSelector);
-          if (iconElement) {
-            iconElement.setAttribute(
-              'class',
-              'iconfont ' + icon
-            );
-            iconElement.setAttribute(
-              'data',
-              invertColorSchemaObj[schema]
-            );
-          }
-        });
-      }
-      if (document.documentElement.getAttribute('data-user-color-scheme')) {
-        var color = getComputedStyle(document.documentElement).getPropertyValue('--navbar-bg-color').trim()
-        document.querySelector('meta[name="theme-color"]').setAttribute('content', color)
-      }
-    }
-  }
-
-  function setHighlightCSS(schema) {
-    // 启用对应的代码高亮的样式
-    var lightCss = document.getElementById('highlight-css');
-    var darkCss = document.getElementById('highlight-css-dark');
-    if (schema === 'dark') {
-      if (darkCss) {
-        darkCss.removeAttribute('disabled');
-      }
-      if (lightCss) {
-        lightCss.setAttribute('disabled', '');
-      }
-    } else {
-      if (lightCss) {
-        lightCss.removeAttribute('disabled');
-      }
-      if (darkCss) {
-        darkCss.setAttribute('disabled', '');
-      }
-    }
-
-    setTimeout(function() {
-      // 设置代码块组件样式
-      document.querySelectorAll('.markdown-body pre').forEach((pre) => {
-        var cls = Fluid.utils.getBackgroundLightness(pre) >= 0 ? 'code-widget-light' : 'code-widget-dark';
-        var widget = pre.querySelector('.code-widget-light, .code-widget-dark');
-        if (widget) {
-          widget.classList.remove('code-widget-light', 'code-widget-dark');
-          widget.classList.add(cls);
-        }
-      });
-    }, 200);
-  }
-
-  function setApplications(schema) {
-    // 设置 remark42 评论主题
-    if (window.REMARK42) {
-      window.REMARK42.changeTheme(schema);
-    }
-
-    // 设置 cusdis 评论主题
-    if (window.CUSDIS) {
-      window.CUSDIS.setTheme(schema);
-    }
-
-    // 设置 utterances 评论主题
-    var utterances = document.querySelector('.utterances-frame');
-    if (utterances) {
-      var utterancesTheme = schema === 'dark' ? window.UtterancesThemeDark : window.UtterancesThemeLight;
-      const message = {
-        type : 'set-theme',
-        theme: utterancesTheme
-      };
-      utterances.contentWindow.postMessage(message, 'https://utteranc.es');
-    }
-
-    // 设置 giscus 评论主题
-    var giscus = document.querySelector('iframe.giscus-frame');
-    if (giscus) {
-      var giscusTheme = schema === 'dark' ? window.GiscusThemeDark : window.GiscusThemeLight;
-      const message = {
-        setConfig: {
-          theme: giscusTheme,
-        }
-      };
-      giscus.contentWindow.postMessage({ 'giscus': message }, 'https://giscus.app');
-    }
-  }
-
-  // 当页面加载时，将显示模式设置为 localStorage 中自定义的值（如果有的话）
-  applyCustomColorSchemaSettings();
-
-  Fluid.utils.waitElementLoaded(colorToggleIconSelector, function() {
-    applyCustomColorSchemaSettings();
-    var button = document.querySelector(colorToggleButtonSelector);
-    if (button) {
-      // 当用户点击切换按钮时，获得新的显示模式、写入 localStorage、并在页面上生效
-      button.addEventListener('click', function() {
-        applyCustomColorSchemaSettings(toggleCustomColorSchema());
-      });
-      var icon = document.querySelector(colorToggleIconSelector);
-      if (icon) {
-        // 光标悬停在按钮上时，切换图标
-        button.addEventListener('mouseenter', function() {
-          var current = icon.getAttribute('data');
-          icon.classList.replace(getIconClass(invertColorSchemaObj[current]), getIconClass(current));
-        });
-        button.addEventListener('mouseleave', function() {
-          var current = icon.getAttribute('data');
-          icon.classList.replace(getIconClass(current), getIconClass(invertColorSchemaObj[current]));
-        });
-      }
-    }
-  });
-})(window, document);
+!function(e,t){var r=t.documentElement,i="Fluid_Color_Scheme",a="--color-mode",o="data-user-color-scheme",n="data-default-color-scheme",c="#color-toggle-icon";function u(e){try{return localStorage.getItem(e)}catch(t){return null}}function s(){var e=getComputedStyle(r).getPropertyValue(a);return"string"==typeof e?e.replace(/["'\s]/g,""):null}function l(){r.setAttribute(o,g()),function(e){try{localStorage.removeItem(e)}catch(t){}}(i)}var d={dark:!0,light:!0};function g(){var e,t="string"==typeof(e=r.getAttribute(n))?e.replace(/["'\s]/g,""):null;if(d[t])return t;if(t=s(),d[t])return t;var i=(new Date).getHours();return i>=18||i>=0&&i<=6?"dark":"light"}function m(a){var n=a||u(i)||g();if(n===g())l();else{if(!d[n])return void l();r.setAttribute(o,n)}!function(e){if(d[e]){var r=h("dark");e&&(r=h(e));var i=t.querySelector(c);if(i?(i.setAttribute("class","iconfont "+r),i.setAttribute("data",f[e])):Fluid.utils.waitElementLoaded(c,(function(){var i=t.querySelector(c);i&&(i.setAttribute("class","iconfont "+r),i.setAttribute("data",f[e]))})),t.documentElement.getAttribute("data-user-color-scheme")){var a=getComputedStyle(t.documentElement).getPropertyValue("--navbar-bg-color").trim();t.querySelector('meta[name="theme-color"]').setAttribute("content",a)}}}(n),function(e){var r=t.getElementById("highlight-css"),i=t.getElementById("highlight-css-dark");"dark"===e?(i&&i.removeAttribute("disabled"),r&&r.setAttribute("disabled","")):(r&&r.removeAttribute("disabled"),i&&i.setAttribute("disabled",""));setTimeout((function(){t.querySelectorAll(".markdown-body pre").forEach((e=>{var t=Fluid.utils.getBackgroundLightness(e)>=0?"code-widget-light":"code-widget-dark",r=e.querySelector(".code-widget-light, .code-widget-dark");r&&(r.classList.remove("code-widget-light","code-widget-dark"),r.classList.add(t))}))}),200)}(n),function(r){e.REMARK42&&e.REMARK42.changeTheme(r);e.CUSDIS&&e.CUSDIS.setTheme(r);var i=t.querySelector(".utterances-frame");if(i){const t={type:"set-theme",theme:"dark"===r?e.UtterancesThemeDark:e.UtterancesThemeLight};i.contentWindow.postMessage(t,"https://utteranc.es")}var a=t.querySelector("iframe.giscus-frame");if(a){const t={setConfig:{theme:"dark"===r?e.GiscusThemeDark:e.GiscusThemeLight}};a.contentWindow.postMessage({giscus:t},"https://giscus.app")}}(n)}var f={dark:"light",light:"dark"};function h(e){return"icon-"+e}function v(){var e=u(i);if(d[e])e=f[e];else{if(null!==e)return;var r=t.querySelector(c);r&&(e=r.getAttribute("data")),r&&d[e]||(e=f[s()])}return function(e,t){try{localStorage.setItem(e,t)}catch(r){}}(i,e),e}m(),Fluid.utils.waitElementLoaded(c,(function(){m();var e=t.querySelector("#color-toggle-btn");if(e){e.addEventListener("click",(function(){m(v())}));var r=t.querySelector(c);r&&(e.addEventListener("mouseenter",(function(){var e=r.getAttribute("data");r.classList.replace(h(f[e]),h(e))})),e.addEventListener("mouseleave",(function(){var e=r.getAttribute("data");r.classList.replace(h(e),h(f[e]))})))}}))}(window,document);
\ No newline at end of file
diff --git a/js/events.js b/js/events.js
index 149eadc..06f69f2 100644
--- a/js/events.js
+++ b/js/events.js
@@ -1,184 +1 @@
-/* global Fluid */
-
-HTMLElement.prototype.wrap = function(wrapper) {
-  this.parentNode.insertBefore(wrapper, this);
-  this.parentNode.removeChild(this);
-  wrapper.appendChild(this);
-};
-
-Fluid.events = {
-
-  registerNavbarEvent: function() {
-    var navbar = jQuery('#navbar');
-    if (navbar.length === 0) {
-      return;
-    }
-    var submenu = jQuery('#navbar .dropdown-menu');
-    if (navbar.offset().top > 0) {
-      navbar.removeClass('navbar-dark');
-      submenu.removeClass('navbar-dark');
-    }
-    Fluid.utils.listenScroll(function() {
-      navbar[navbar.offset().top > 50 ? 'addClass' : 'removeClass']('top-nav-collapse');
-      submenu[navbar.offset().top > 50 ? 'addClass' : 'removeClass']('dropdown-collapse');
-      if (navbar.offset().top > 0) {
-        navbar.removeClass('navbar-dark');
-        submenu.removeClass('navbar-dark');
-      } else {
-        navbar.addClass('navbar-dark');
-        submenu.removeClass('navbar-dark');
-      }
-    });
-    jQuery('#navbar-toggler-btn').on('click', function() {
-      jQuery('.animated-icon').toggleClass('open');
-      jQuery('#navbar').toggleClass('navbar-col-show');
-    });
-  },
-
-  registerParallaxEvent: function() {
-    var ph = jQuery('#banner[parallax="true"]');
-    if (ph.length === 0) {
-      return;
-    }
-    var board = jQuery('#board');
-    if (board.length === 0) {
-      return;
-    }
-    var parallax = function() {
-      var pxv = jQuery(window).scrollTop() / 5;
-      var offset = parseInt(board.css('margin-top'), 10);
-      var max = 96 + offset;
-      if (pxv > max) {
-        pxv = max;
-      }
-      ph.css({
-        transform: 'translate3d(0,' + pxv + 'px,0)'
-      });
-      var sideCol = jQuery('.side-col');
-      if (sideCol) {
-        sideCol.css({
-          'padding-top': pxv + 'px'
-        });
-      }
-    };
-    Fluid.utils.listenScroll(parallax);
-  },
-
-  registerScrollDownArrowEvent: function() {
-    var scrollbar = jQuery('.scroll-down-bar');
-    if (scrollbar.length === 0) {
-      return;
-    }
-    scrollbar.on('click', function() {
-      Fluid.utils.scrollToElement('#board', -jQuery('#navbar').height());
-    });
-  },
-
-  registerScrollTopArrowEvent: function() {
-    var topArrow = jQuery('#scroll-top-button');
-    if (topArrow.length === 0) {
-      return;
-    }
-    var board = jQuery('#board');
-    if (board.length === 0) {
-      return;
-    }
-    var posDisplay = false;
-    var scrollDisplay = false;
-    // Position
-    var setTopArrowPos = function() {
-      var boardRight = board[0].getClientRects()[0].right;
-      var bodyWidth = document.body.offsetWidth;
-      var right = bodyWidth - boardRight;
-      posDisplay = right >= 50;
-      topArrow.css({
-        'bottom': posDisplay && scrollDisplay ? '20px' : '-60px',
-        'right' : right - 64 + 'px'
-      });
-    };
-    setTopArrowPos();
-    jQuery(window).resize(setTopArrowPos);
-    // Display
-    var headerHeight = board.offset().top;
-    Fluid.utils.listenScroll(function() {
-      var scrollHeight = document.body.scrollTop + document.documentElement.scrollTop;
-      scrollDisplay = scrollHeight >= headerHeight;
-      topArrow.css({
-        'bottom': posDisplay && scrollDisplay ? '20px' : '-60px'
-      });
-    });
-    // Click
-    topArrow.on('click', function() {
-      jQuery('body,html').animate({
-        scrollTop: 0,
-        easing   : 'swing'
-      });
-    });
-  },
-
-  registerImageLoadedEvent: function() {
-    if (!('NProgress' in window)) { return; }
-
-    var bg = document.getElementById('banner');
-    if (bg) {
-      var src = bg.style.backgroundImage;
-      var url = src.match(/\((.*?)\)/)[1].replace(/(['"])/g, '');
-      var img = new Image();
-      img.onload = function() {
-        window.NProgress && window.NProgress.inc(0.2);
-      };
-      img.src = url;
-      if (img.complete) { img.onload(); }
-    }
-
-    var notLazyImages = jQuery('main img:not([lazyload])');
-    var total = notLazyImages.length;
-    for (const img of notLazyImages) {
-      const old = img.onload;
-      img.onload = function() {
-        old && old();
-        window.NProgress && window.NProgress.inc(0.5 / total);
-      };
-      if (img.complete) { img.onload(); }
-    }
-  },
-
-  registerRefreshCallback: function(callback) {
-    if (!Array.isArray(Fluid.events._refreshCallbacks)) {
-      Fluid.events._refreshCallbacks = [];
-    }
-    Fluid.events._refreshCallbacks.push(callback);
-  },
-
-  refresh: function() {
-    if (Array.isArray(Fluid.events._refreshCallbacks)) {
-      for (var callback of Fluid.events._refreshCallbacks) {
-        if (callback instanceof Function) {
-          callback();
-        }
-      }
-    }
-  },
-
-  billboard: function() {
-    if (!('console' in window)) {
-      return;
-    }
-    // eslint-disable-next-line no-console
-    console.log(`
-------------------------------------------------
-|                                              |
-|     ________  __            _        __      |
-|    |_   __  |[  |          (_)      |  ]     |
-|      | |_ \\_| | | __   _   __   .--.| |      |
-|      |  _|    | |[  | | | [  |/ /'\`\\' |      |
-|     _| |_     | | | \\_/ |, | || \\__/  |      |
-|    |_____|   [___]'.__.'_/[___]'.__.;__]     |
-|                                              |
-|           Powered by Hexo x Fluid            |
-|         GitHub: https://git.io/JqpVD         |
-|                                              |
-------------------------------------------------
-    `);
-  }
-};
+HTMLElement.prototype.wrap=function(e){this.parentNode.insertBefore(e,this),this.parentNode.removeChild(this),e.appendChild(this)},Fluid.events={registerNavbarEvent:function(){var e=jQuery("#navbar");if(0!==e.length){var n=jQuery("#navbar .dropdown-menu");e.offset().top>0&&(e.removeClass("navbar-dark"),n.removeClass("navbar-dark")),Fluid.utils.listenScroll((function(){e[e.offset().top>50?"addClass":"removeClass"]("top-nav-collapse"),n[e.offset().top>50?"addClass":"removeClass"]("dropdown-collapse"),e.offset().top>0?(e.removeClass("navbar-dark"),n.removeClass("navbar-dark")):(e.addClass("navbar-dark"),n.removeClass("navbar-dark"))})),jQuery("#navbar-toggler-btn").on("click",(function(){jQuery(".animated-icon").toggleClass("open"),jQuery("#navbar").toggleClass("navbar-col-show")}))}},registerParallaxEvent:function(){var e=jQuery('#banner[parallax="true"]');if(0!==e.length){var n=jQuery("#board");if(0!==n.length){Fluid.utils.listenScroll((function(){var r=jQuery(window).scrollTop()/5,o=96+parseInt(n.css("margin-top"),10);r>o&&(r=o),e.css({transform:"translate3d(0,"+r+"px,0)"});var a=jQuery(".side-col");a&&a.css({"padding-top":r+"px"})}))}}},registerScrollDownArrowEvent:function(){var e=jQuery(".scroll-down-bar");0!==e.length&&e.on("click",(function(){Fluid.utils.scrollToElement("#board",-jQuery("#navbar").height())}))},registerScrollTopArrowEvent:function(){var e=jQuery("#scroll-top-button");if(0!==e.length){var n=jQuery("#board");if(0!==n.length){var r=!1,o=!1,a=function(){var a=n[0].getClientRects()[0].right,t=document.body.offsetWidth-a;r=t>=50,e.css({bottom:r&&o?"20px":"-60px",right:t-64+"px"})};a(),jQuery(window).resize(a);var t=n.offset().top;Fluid.utils.listenScroll((function(){var n=document.body.scrollTop+document.documentElement.scrollTop;o=n>=t,e.css({bottom:r&&o?"20px":"-60px"})})),e.on("click",(function(){jQuery("body,html").animate({scrollTop:0,easing:"swing"})}))}}},registerImageLoadedEvent:function(){if("NProgress"in window){var e=document.getElementById("banner");if(e){var n=e.style.backgroundImage.match(/\((.*?)\)/)[1].replace(/(['"])/g,""),r=new Image;r.onload=function(){window.NProgress&&window.NProgress.inc(.2)},r.src=n,r.complete&&r.onload()}var o=jQuery("main img:not([lazyload])"),a=o.length;for(const e of o){const n=e.onload;e.onload=function(){n&&n(),window.NProgress&&window.NProgress.inc(.5/a)},e.complete&&e.onload()}}},registerRefreshCallback:function(e){Array.isArray(Fluid.events._refreshCallbacks)||(Fluid.events._refreshCallbacks=[]),Fluid.events._refreshCallbacks.push(e)},refresh:function(){if(Array.isArray(Fluid.events._refreshCallbacks))for(var e of Fluid.events._refreshCallbacks)e instanceof Function&&e()},billboard:function(){"console"in window&&console.log("\n------------------------------------------------\n|                                              |\n|     ________  __            _        __      |\n|    |_   __  |[  |          (_)      |  ]     |\n|      | |_ \\_| | | __   _   __   .--.| |      |\n|      |  _|    | |[  | | | [  |/ /'`\\' |      |\n|     _| |_     | | | \\_/ |, | || \\__/  |      |\n|    |_____|   [___]'.__.'_/[___]'.__.;__]     |\n|                                              |\n|           Powered by Hexo x Fluid            |\n|         GitHub: https://git.io/JqpVD         |\n|                                              |\n------------------------------------------------\n    ")}};
\ No newline at end of file
diff --git a/js/img-lazyload.js b/js/img-lazyload.js
index c0c8e4e..9948ecd 100644
--- a/js/img-lazyload.js
+++ b/js/img-lazyload.js
@@ -1,10 +1 @@
-/* global Fluid, CONFIG */
-
-(function(window, document) {
-  for (const each of document.querySelectorAll('img[lazyload]')) {
-    Fluid.utils.waitElementVisible(each, function() {
-      each.removeAttribute('srcset');
-      each.removeAttribute('lazyload');
-    }, CONFIG.lazyload.offset_factor);
-  }
-})(window, document);
+!function(t,e){for(const o of e.querySelectorAll("img[lazyload]"))Fluid.utils.waitElementVisible(o,(function(){o.removeAttribute("srcset"),o.removeAttribute("lazyload")}),CONFIG.lazyload.offset_factor)}(window,document);
\ No newline at end of file
diff --git a/js/leancloud.js b/js/leancloud.js
index ab901ce..5d6a1d9 100644
--- a/js/leancloud.js
+++ b/js/leancloud.js
@@ -1,192 +1 @@
-/* global CONFIG */
-// eslint-disable-next-line no-console
-
-(function(window, document) {
-  // 查询存储的记录
-  function getRecord(Counter, target) {
-    return new Promise(function(resolve, reject) {
-      Counter('get', '/classes/Counter?where=' + encodeURIComponent(JSON.stringify({ target })))
-        .then(resp => resp.json())
-        .then(({ results, code, error }) => {
-          if (code === 401) {
-            throw error;
-          }
-          if (results && results.length > 0) {
-            var record = results[0];
-            resolve(record);
-          } else {
-            Counter('post', '/classes/Counter', { target, time: 0 })
-              .then(resp => resp.json())
-              .then((record, error) => {
-                if (error) {
-                  throw error;
-                }
-                resolve(record);
-              }).catch(error => {
-                console.error('Failed to create: ', error);
-                reject(error);
-              });
-          }
-        }).catch((error) => {
-          console.error('LeanCloud Counter Error: ', error);
-          reject(error);
-        });
-    });
-  }
-
-  // 发起自增请求
-  function increment(Counter, incrArr) {
-    return new Promise(function(resolve, reject) {
-      Counter('post', '/batch', {
-        'requests': incrArr
-      }).then((res) => {
-        res = res.json();
-        if (res.error) {
-          throw res.error;
-        }
-        resolve(res);
-      }).catch((error) => {
-        console.error('Failed to save visitor count: ', error);
-        reject(error);
-      });
-    });
-  }
-
-  // 构建自增请求体
-  function buildIncrement(objectId) {
-    return {
-      'method': 'PUT',
-      'path'  : `/1.1/classes/Counter/${objectId}`,
-      'body'  : {
-        'time': {
-          '__op'  : 'Increment',
-          'amount': 1
-        }
-      }
-    };
-  }
-
-  // 校验是否为有效的 Host
-  function validHost() {
-    if (CONFIG.web_analytics.leancloud.ignore_local) {
-      var hostname = window.location.hostname;
-      if (hostname === 'localhost' || hostname === '127.0.0.1') {
-        return false;
-      }
-    }
-    return true;
-  }
-
-  // 校验是否为有效的 UV
-  function validUV() {
-    var key = 'LeanCloud_UV_Flag';
-    var flag = localStorage.getItem(key);
-    if (flag) {
-      // 距离标记小于 24 小时则不计为 UV
-      if (new Date().getTime() - parseInt(flag, 10) <= 86400000) {
-        return false;
-      }
-    }
-    localStorage.setItem(key, new Date().getTime().toString());
-    return true;
-  }
-
-  function addCount(Counter) {
-    var enableIncr = CONFIG.web_analytics.enable && !Fluid.ctx.dnt && validHost();
-    var getterArr = [];
-    var incrArr = [];
-
-    // 请求 PV 并自增
-    var pvCtn = document.querySelector('#leancloud-site-pv-container');
-    if (pvCtn) {
-      var pvGetter = getRecord(Counter, 'site-pv').then((record) => {
-        enableIncr && incrArr.push(buildIncrement(record.objectId));
-        var ele = document.querySelector('#leancloud-site-pv');
-        if (ele) {
-          ele.innerText = (record.time || 0) + (enableIncr ? 1 : 0);
-          pvCtn.style.display = 'inline';
-        }
-      });
-      getterArr.push(pvGetter);
-    }
-
-    // 请求 UV 并自增
-    var uvCtn = document.querySelector('#leancloud-site-uv-container');
-    if (uvCtn) {
-      var uvGetter = getRecord(Counter, 'site-uv').then((record) => {
-        var incrUV = validUV() && enableIncr;
-        incrUV && incrArr.push(buildIncrement(record.objectId));
-        var ele = document.querySelector('#leancloud-site-uv');
-        if (ele) {
-          ele.innerText = (record.time || 0) + (incrUV ? 1 : 0);
-          uvCtn.style.display = 'inline';
-        }
-      });
-      getterArr.push(uvGetter);
-    }
-
-    // 如果有页面浏览数节点，则请求浏览数并自增
-    var viewCtn = document.querySelector('#leancloud-page-views-container');
-    if (viewCtn) {
-      var path = eval(CONFIG.web_analytics.leancloud.path || 'window.location.pathname');
-      var target = decodeURI(path.replace(/\/*(index.html)?$/, '/'));
-      var viewGetter = getRecord(Counter, target).then((record) => {
-        enableIncr && incrArr.push(buildIncrement(record.objectId));
-        var ele = document.querySelector('#leancloud-page-views');
-        if (ele) {
-          ele.innerText = (record.time || 0) + (enableIncr ? 1 : 0);
-          viewCtn.style.display = 'inline';
-        }
-      });
-      getterArr.push(viewGetter);
-    }
-
-    // 如果启动计数自增，批量发起自增请求
-    if (enableIncr) {
-      Promise.all(getterArr).then(() => {
-        incrArr.length > 0 && increment(Counter, incrArr);
-      });
-    }
-  }
-
-  var appId = CONFIG.web_analytics.leancloud.app_id;
-  var appKey = CONFIG.web_analytics.leancloud.app_key;
-  var serverUrl = CONFIG.web_analytics.leancloud.server_url;
-
-  if (!appId) {
-    throw new Error('LeanCloud appId is empty');
-  }
-  if (!appKey) {
-    throw new Error('LeanCloud appKey is empty');
-  }
-
-  function fetchData(api_server) {
-    var Counter = (method, url, data) => {
-      return fetch(`${api_server}/1.1${url}`, {
-        method,
-        headers: {
-          'X-LC-Id'     : appId,
-          'X-LC-Key'    : appKey,
-          'Content-Type': 'application/json'
-        },
-        body: JSON.stringify(data)
-      });
-    };
-
-    addCount(Counter);
-  }
-
-  var apiServer = serverUrl || `https://${appId.slice(0, 8).toLowerCase()}.api.lncldglobal.com`;
-
-  if (apiServer) {
-    fetchData(apiServer);
-  } else {
-    fetch('https://app-router.leancloud.cn/2/route?appId=' + appId)
-      .then(resp => resp.json())
-      .then((data) => {
-        if (data.api_server) {
-          fetchData('https://' + data.api_server);
-        }
-      });
-  }
-})(window, document);
+(function(window,document){function getRecord(e,t){return new Promise((function(r,n){e("get","/classes/Counter?where="+encodeURIComponent(JSON.stringify({target:t}))).then((e=>e.json())).then((({results:a,code:o,error:i})=>{if(401===o)throw i;if(a&&a.length>0){var c=a[0];r(c)}else e("post","/classes/Counter",{target:t,time:0}).then((e=>e.json())).then(((e,t)=>{if(t)throw t;r(e)})).catch((e=>{console.error("Failed to create: ",e),n(e)}))})).catch((e=>{console.error("LeanCloud Counter Error: ",e),n(e)}))}))}function increment(e,t){return new Promise((function(r,n){e("post","/batch",{requests:t}).then((e=>{if((e=e.json()).error)throw e.error;r(e)})).catch((e=>{console.error("Failed to save visitor count: ",e),n(e)}))}))}function buildIncrement(e){return{method:"PUT",path:`/1.1/classes/Counter/${e}`,body:{time:{__op:"Increment",amount:1}}}}function validHost(){if(CONFIG.web_analytics.leancloud.ignore_local){var e=window.location.hostname;if("localhost"===e||"127.0.0.1"===e)return!1}return!0}function validUV(){var e="LeanCloud_UV_Flag",t=localStorage.getItem(e);return!(t&&(new Date).getTime()-parseInt(t,10)<=864e5)&&(localStorage.setItem(e,(new Date).getTime().toString()),!0)}function addCount(Counter){var enableIncr=CONFIG.web_analytics.enable&&!Fluid.ctx.dnt&&validHost(),getterArr=[],incrArr=[],pvCtn=document.querySelector("#leancloud-site-pv-container");if(pvCtn){var pvGetter=getRecord(Counter,"site-pv").then((e=>{enableIncr&&incrArr.push(buildIncrement(e.objectId));var t=document.querySelector("#leancloud-site-pv");t&&(t.innerText=(e.time||0)+(enableIncr?1:0),pvCtn.style.display="inline")}));getterArr.push(pvGetter)}var uvCtn=document.querySelector("#leancloud-site-uv-container");if(uvCtn){var uvGetter=getRecord(Counter,"site-uv").then((e=>{var t=validUV()&&enableIncr;t&&incrArr.push(buildIncrement(e.objectId));var r=document.querySelector("#leancloud-site-uv");r&&(r.innerText=(e.time||0)+(t?1:0),uvCtn.style.display="inline")}));getterArr.push(uvGetter)}var viewCtn=document.querySelector("#leancloud-page-views-container");if(viewCtn){var path=eval(CONFIG.web_analytics.leancloud.path||"window.location.pathname"),target=decodeURI(path.replace(/\/*(index.html)?$/,"/")),viewGetter=getRecord(Counter,target).then((e=>{enableIncr&&incrArr.push(buildIncrement(e.objectId));var t=document.querySelector("#leancloud-page-views");t&&(t.innerText=(e.time||0)+(enableIncr?1:0),viewCtn.style.display="inline")}));getterArr.push(viewGetter)}enableIncr&&Promise.all(getterArr).then((()=>{incrArr.length>0&&increment(Counter,incrArr)}))}var appId=CONFIG.web_analytics.leancloud.app_id,appKey=CONFIG.web_analytics.leancloud.app_key,serverUrl=CONFIG.web_analytics.leancloud.server_url;if(!appId)throw new Error("LeanCloud appId is empty");if(!appKey)throw new Error("LeanCloud appKey is empty");function fetchData(e){addCount(((t,r,n)=>fetch(`${e}/1.1${r}`,{method:t,headers:{"X-LC-Id":appId,"X-LC-Key":appKey,"Content-Type":"application/json"},body:JSON.stringify(n)})))}var apiServer=serverUrl||`https://${appId.slice(0,8).toLowerCase()}.api.lncldglobal.com`;apiServer?fetchData(apiServer):fetch("https://app-router.leancloud.cn/2/route?appId="+appId).then((e=>e.json())).then((e=>{e.api_server&&fetchData("https://"+e.api_server)}))})(window,document);
\ No newline at end of file
diff --git a/js/local-search.js b/js/local-search.js
index 0784a80..567523a 100644
--- a/js/local-search.js
+++ b/js/local-search.js
@@ -1,159 +1 @@
-/* global CONFIG */
-
-(function() {
-  // Modified from [hexo-generator-search](https://github.com/wzpan/hexo-generator-search)
-  function localSearchFunc(path, searchSelector, resultSelector) {
-    'use strict';
-    // 0x00. environment initialization
-    var $input = jQuery(searchSelector);
-    var $result = jQuery(resultSelector);
-
-    if ($input.length === 0) {
-      // eslint-disable-next-line no-console
-      throw Error('No element selected by the searchSelector');
-    }
-    if ($result.length === 0) {
-      // eslint-disable-next-line no-console
-      throw Error('No element selected by the resultSelector');
-    }
-
-    if ($result.attr('class').indexOf('list-group-item') === -1) {
-      $result.html('<div class="m-auto text-center"><div class="spinner-border" role="status"><span class="sr-only">Loading...</span></div><br/>Loading...</div>');
-    }
-
-    jQuery.ajax({
-      // 0x01. load xml file
-      url     : path,
-      dataType: 'xml',
-      success : function(xmlResponse) {
-        // 0x02. parse xml file
-        var dataList = jQuery('entry', xmlResponse).map(function() {
-          return {
-            title  : jQuery('title', this).text(),
-            content: jQuery('content', this).text(),
-            url    : jQuery('url', this).text()
-          };
-        }).get();
-
-        if ($result.html().indexOf('list-group-item') === -1) {
-          $result.html('');
-        }
-
-        $input.on('input', function() {
-          // 0x03. parse query to keywords list
-          var content = $input.val();
-          var resultHTML = '';
-          var keywords = content.trim().toLowerCase().split(/[\s-]+/);
-          $result.html('');
-          if (content.trim().length <= 0) {
-            return $input.removeClass('invalid').removeClass('valid');
-          }
-          // 0x04. perform local searching
-          dataList.forEach(function(data) {
-            var isMatch = true;
-            if (!data.title || data.title.trim() === '') {
-              data.title = 'Untitled';
-            }
-            var orig_data_title = data.title.trim();
-            var data_title = orig_data_title.toLowerCase();
-            var orig_data_content = data.content.trim().replace(/<[^>]+>/g, '');
-            var data_content = orig_data_content.toLowerCase();
-            var data_url = data.url;
-            var index_title = -1;
-            var index_content = -1;
-            var first_occur = -1;
-            // Skip matching when content is included in search and content is empty
-            if (CONFIG.include_content_in_search && data_content === '') {
-              isMatch = false;
-            } else {
-              keywords.forEach(function (keyword, i) {
-                index_title = data_title.indexOf(keyword);
-                index_content = data_content.indexOf(keyword);
-
-                if (index_title < 0 && index_content < 0) {
-                  isMatch = false;
-                } else {
-                  if (index_content < 0) {
-                    index_content = 0;
-                  }
-                  if (i === 0) {
-                    first_occur = index_content;
-                  }
-                }
-              });
-            }
-            // 0x05. show search results
-            if (isMatch) {
-              resultHTML += '<a href=\'' + data_url + '\' class=\'list-group-item list-group-item-action font-weight-bolder search-list-title\'>' + orig_data_title + '</a>';
-              var content = orig_data_content;
-              if (first_occur >= 0) {
-                // cut out 100 characters
-                var start = first_occur - 20;
-                var end = first_occur + 80;
-
-                if (start < 0) {
-                  start = 0;
-                }
-
-                if (start === 0) {
-                  end = 100;
-                }
-
-                if (end > content.length) {
-                  end = content.length;
-                }
-
-                var match_content = content.substring(start, end);
-
-                // highlight all keywords
-                keywords.forEach(function(keyword) {
-                  var regS = new RegExp(keyword, 'gi');
-                  match_content = match_content.replace(regS, '<span class="search-word">' + keyword + '</span>');
-                });
-
-                resultHTML += '<p class=\'search-list-content\'>' + match_content + '...</p>';
-              }
-            }
-          });
-          if (resultHTML.indexOf('list-group-item') === -1) {
-            return $input.addClass('invalid').removeClass('valid');
-          }
-          $input.addClass('valid').removeClass('invalid');
-          $result.html(resultHTML);
-        });
-      }
-    });
-  }
-
-  function localSearchReset(searchSelector, resultSelector) {
-    'use strict';
-    var $input = jQuery(searchSelector);
-    var $result = jQuery(resultSelector);
-
-    if ($input.length === 0) {
-      // eslint-disable-next-line no-console
-      throw Error('No element selected by the searchSelector');
-    }
-    if ($result.length === 0) {
-      // eslint-disable-next-line no-console
-      throw Error('No element selected by the resultSelector');
-    }
-
-    $input.val('').removeClass('invalid').removeClass('valid');
-    $result.html('');
-  }
-
-  var modal = jQuery('#modalSearch');
-  var searchSelector = '#local-search-input';
-  var resultSelector = '#local-search-result';
-  modal.on('show.bs.modal', function() {
-    var path = CONFIG.search_path || '/local-search.xml';
-    localSearchFunc(path, searchSelector, resultSelector);
-  });
-  modal.on('shown.bs.modal', function() {
-    jQuery('#local-search-input').focus();
-  });
-  modal.on('hidden.bs.modal', function() {
-    localSearchReset(searchSelector, resultSelector);
-  });
-})();
+!function(){var e=jQuery("#modalSearch"),t="#local-search-input",r="#local-search-result";e.on("show.bs.modal",(function(){!function(e,t,r){"use strict";var l=jQuery(t),s=jQuery(r);if(0===l.length)throw Error("No element selected by the searchSelector");if(0===s.length)throw Error("No element selected by the resultSelector");-1===s.attr("class").indexOf("list-group-item")&&s.html('<div class="m-auto text-center"><div class="spinner-border" role="status"><span class="sr-only">Loading...</span></div><br/>Loading...</div>'),jQuery.ajax({url:e,dataType:"xml",success:function(e){var t=jQuery("entry",e).map((function(){return{title:jQuery("title",this).text(),content:jQuery("content",this).text(),url:jQuery("url",this).text()}})).get();-1===s.html().indexOf("list-group-item")&&s.html(""),l.on("input",(function(){var e=l.val(),r="",a=e.trim().toLowerCase().split(/[\s-]+/);return s.html(""),e.trim().length<=0?l.removeClass("invalid").removeClass("valid"):(t.forEach((function(e){var t=!0;e.title&&""!==e.title.trim()||(e.title="Untitled");var l=e.title.trim(),s=l.toLowerCase(),i=e.content.trim().replace(/<[^>]+>/g,""),n=i.toLowerCase(),o=e.url,c=-1,u=-1,h=-1;if(CONFIG.include_content_in_search&&""===n?t=!1:a.forEach((function(e,r){c=s.indexOf(e),u=n.indexOf(e),c<0&&u<0?t=!1:(u<0&&(u=0),0===r&&(h=u))})),t){r+="<a href='"+o+"' class='list-group-item list-group-item-action font-weight-bolder search-list-title'>"+l+"</a>";var d=i;if(h>=0){var m=h-20,v=h+80;m<0&&(m=0),0===m&&(v=100),v>d.length&&(v=d.length);var f=d.substring(m,v);a.forEach((function(e){var t=new RegExp(e,"gi");f=f.replace(t,'<span class="search-word">'+e+"</span>")})),r+="<p class='search-list-content'>"+f+"...</p>"}}})),-1===r.indexOf("list-group-item")?l.addClass("invalid").removeClass("valid"):(l.addClass("valid").removeClass("invalid"),void s.html(r)))}))}})}(CONFIG.search_path||"/local-search.xml",t,r)})),e.on("shown.bs.modal",(function(){jQuery("#local-search-input").focus()})),e.on("hidden.bs.modal",(function(){!function(e,t){"use strict";var r=jQuery(e),l=jQuery(t);if(0===r.length)throw Error("No element selected by the searchSelector");if(0===l.length)throw Error("No element selected by the resultSelector");r.val("").removeClass("invalid").removeClass("valid"),l.html("")}(t,r)}))}();
\ No newline at end of file
diff --git a/js/plugins.js b/js/plugins.js
index 2a364b0..56391f0 100644
--- a/js/plugins.js
+++ b/js/plugins.js
@@ -1,164 +1 @@
-/* global Fluid, CONFIG */
-
-HTMLElement.prototype.wrap = function(wrapper) {
-  this.parentNode.insertBefore(wrapper, this);
-  this.parentNode.removeChild(this);
-  wrapper.appendChild(this);
-};
-
-Fluid.plugins = {
-
-  typing: function(text) {
-    if (!('Typed' in window)) { return; }
-
-    var typed = new window.Typed('#subtitle', {
-      strings: [
-        '  ',
-        text
-      ],
-      cursorChar: CONFIG.typing.cursorChar,
-      typeSpeed : CONFIG.typing.typeSpeed,
-      loop      : CONFIG.typing.loop
-    });
-    typed.stop();
-    var subtitle = document.getElementById('subtitle');
-    if (subtitle) {
-      subtitle.innerText = '';
-    }
-    jQuery(document).ready(function() {
-      typed.start();
-    });
-  },
-
-  fancyBox: function(selector) {
-    if (!CONFIG.image_zoom.enable || !('fancybox' in jQuery)) { return; }
-
-    jQuery(selector || '.markdown-body :not(a) > img, .markdown-body > img').each(function() {
-      var $image = jQuery(this);
-      var imageUrl = $image.attr('data-src') || $image.attr('src') || '';
-      if (CONFIG.image_zoom.img_url_replace) {
-        var rep = CONFIG.image_zoom.img_url_replace;
-        var r1 = rep[0] || '';
-        var r2 = rep[1] || '';
-        if (r1) {
-          if (/^re:/.test(r1)) {
-            r1 = r1.replace(/^re:/, '');
-            var reg = new RegExp(r1, 'gi');
-            imageUrl = imageUrl.replace(reg, r2);
-          } else {
-            imageUrl = imageUrl.replace(r1, r2);
-          }
-        }
-      }
-      var $imageWrap = $image.wrap(`
-        <a class="fancybox fancybox.image" href="${imageUrl}"
-          itemscope itemtype="http://schema.org/ImageObject" itemprop="url"></a>`
-      ).parent('a');
-      if ($imageWrap.length !== 0) {
-        if ($image.is('.group-image-container img')) {
-          $imageWrap.attr('data-fancybox', 'group').attr('rel', 'group');
-        } else {
-          $imageWrap.attr('data-fancybox', 'default').attr('rel', 'default');
-        }
-
-        var imageTitle = $image.attr('title') || $image.attr('alt');
-        if (imageTitle) {
-          $imageWrap.attr('title', imageTitle).attr('data-caption', imageTitle);
-        }
-      }
-    });
-
-    jQuery.fancybox.defaults.hash = false;
-    jQuery('.fancybox').fancybox({
-      loop   : true,
-      helpers: {
-        overlay: {
-          locked: false
-        }
-      }
-    });
-  },
-
-  imageCaption: function(selector) {
-    if (!CONFIG.image_caption.enable) { return; }
-
-    jQuery(selector || `.markdown-body > p > img, .markdown-body > figure > img,
-      .markdown-body > p > a.fancybox, .markdown-body > figure > a.fancybox`).each(function() {
-      var $target = jQuery(this);
-      var $figcaption = $target.next('figcaption');
-      if ($figcaption.length !== 0) {
-        $figcaption.addClass('image-caption');
-      } else {
-        var imageTitle = $target.attr('title') || $target.attr('alt');
-        if (imageTitle) {
-          $target.after(`<figcaption aria-hidden="true" class="image-caption">${imageTitle}</figcaption>`);
-        }
-      }
-    });
-  },
-
-  codeWidget() {
-    var enableLang = CONFIG.code_language.enable && CONFIG.code_language.default;
-    var enableCopy = CONFIG.copy_btn && 'ClipboardJS' in window;
-    if (!enableLang && !enableCopy) {
-      return;
-    }
-
-    function getBgClass(ele) {
-      return Fluid.utils.getBackgroundLightness(ele) >= 0 ? 'code-widget-light' : 'code-widget-dark';
-    }
-
-    var copyTmpl = '';
-    copyTmpl += '<div class="code-widget">';
-    copyTmpl += 'LANG';
-    copyTmpl += '</div>';
-    jQuery('.markdown-body pre').each(function() {
-      var $pre = jQuery(this);
-      if ($pre.find('code.mermaid').length > 0) {
-        return;
-      }
-      if ($pre.find('span.line').length > 0) {
-        return;
-      }
-
-      var lang = '';
-
-      if (enableLang) {
-        lang = CONFIG.code_language.default;
-        if ($pre[0].children.length > 0 && $pre[0].children[0].classList.length >= 2 && $pre.children().hasClass('hljs')) {
-          lang = $pre[0].children[0].classList[1];
-        } else if ($pre[0].getAttribute('data-language')) {
-          lang = $pre[0].getAttribute('data-language');
-        } else if ($pre.parent().hasClass('sourceCode') && $pre[0].children.length > 0 && $pre[0].children[0].classList.length >= 2) {
-          lang = $pre[0].children[0].classList[1];
-          $pre.parent().addClass('code-wrapper');
-        } else if ($pre.parent().hasClass('markdown-body') && $pre[0].classList.length === 0) {
-          $pre.wrap('<div class="code-wrapper"></div>');
-        }
-        lang = lang.toUpperCase().replace('NONE', CONFIG.code_language.default);
-      }
-      $pre.append(copyTmpl.replace('LANG', lang).replace('code-widget">',
-        getBgClass($pre[0]) + (enableCopy ? ' code-widget copy-btn" data-clipboard-snippet><i class="iconfont icon-copy"></i>' : ' code-widget">')));
-
-      if (enableCopy) {
-        var clipboard = new ClipboardJS('.copy-btn', {
-          target: function(trigger) {
-            var nodes = trigger.parentNode.childNodes;
-            for (var i = 0; i < nodes.length; i++) {
-              if (nodes[i].tagName === 'CODE') {
-                return nodes[i];
-              }
-            }
-          }
-        });
-        clipboard.on('success', function(e) {
-          e.clearSelection();
-          e.trigger.innerHTML = e.trigger.innerHTML.replace('icon-copy', 'icon-success');
-          setTimeout(function() {
-            e.trigger.innerHTML = e.trigger.innerHTML.replace('icon-success', 'icon-copy');
-          }, 2000);
-        });
-      }
-    });
-  }
-};
+HTMLElement.prototype.wrap=function(e){this.parentNode.insertBefore(e,this),this.parentNode.removeChild(this),e.appendChild(this)},Fluid.plugins={typing:function(e){if("Typed"in window){var a=new window.Typed("#subtitle",{strings:["  ",e],cursorChar:CONFIG.typing.cursorChar,typeSpeed:CONFIG.typing.typeSpeed,loop:CONFIG.typing.loop});a.stop();var t=document.getElementById("subtitle");t&&(t.innerText=""),jQuery(document).ready((function(){a.start()}))}},fancyBox:function(e){CONFIG.image_zoom.enable&&"fancybox"in jQuery&&(jQuery(e||".markdown-body :not(a) > img, .markdown-body > img").each((function(){var e=jQuery(this),a=e.attr("data-src")||e.attr("src")||"";if(CONFIG.image_zoom.img_url_replace){var t=CONFIG.image_zoom.img_url_replace,i=t[0]||"",n=t[1]||"";if(i)if(/^re:/.test(i)){i=i.replace(/^re:/,"");var r=new RegExp(i,"gi");a=a.replace(r,n)}else a=a.replace(i,n)}var o=e.wrap(`\n        <a class="fancybox fancybox.image" href="${a}"\n          itemscope itemtype="http://schema.org/ImageObject" itemprop="url"></a>`).parent("a");if(0!==o.length){e.is(".group-image-container img")?o.attr("data-fancybox","group").attr("rel","group"):o.attr("data-fancybox","default").attr("rel","default");var c=e.attr("title")||e.attr("alt");c&&o.attr("title",c).attr("data-caption",c)}})),jQuery.fancybox.defaults.hash=!1,jQuery(".fancybox").fancybox({loop:!0,helpers:{overlay:{locked:!1}}}))},imageCaption:function(e){CONFIG.image_caption.enable&&jQuery(e||".markdown-body > p > img, .markdown-body > figure > img,\n      .markdown-body > p > a.fancybox, .markdown-body > figure > a.fancybox").each((function(){var e=jQuery(this),a=e.next("figcaption");if(0!==a.length)a.addClass("image-caption");else{var t=e.attr("title")||e.attr("alt");t&&e.after(`<figcaption aria-hidden="true" class="image-caption">${t}</figcaption>`)}}))},codeWidget(){var e=CONFIG.code_language.enable&&CONFIG.code_language.default,a=CONFIG.copy_btn&&"ClipboardJS"in window;if(e||a){var t="";t+='<div class="code-widget">',t+="LANG",t+="</div>",jQuery(".markdown-body pre").each((function(){var i=jQuery(this);if(!(i.find("code.mermaid").length>0||i.find("span.line").length>0)){var n,r="";if(e&&(r=CONFIG.code_language.default,i[0].children.length>0&&i[0].children[0].classList.length>=2&&i.children().hasClass("hljs")?r=i[0].children[0].classList[1]:i[0].getAttribute("data-language")?r=i[0].getAttribute("data-language"):i.parent().hasClass("sourceCode")&&i[0].children.length>0&&i[0].children[0].classList.length>=2?(r=i[0].children[0].classList[1],i.parent().addClass("code-wrapper")):i.parent().hasClass("markdown-body")&&0===i[0].classList.length&&i.wrap('<div class="code-wrapper"></div>'),r=r.toUpperCase().replace("NONE",CONFIG.code_language.default)),i.append(t.replace("LANG",r).replace('code-widget">',(n=i[0],(Fluid.utils.getBackgroundLightness(n)>=0?"code-widget-light":"code-widget-dark")+(a?' code-widget copy-btn" data-clipboard-snippet><i class="iconfont icon-copy"></i>':' code-widget">')))),a)new ClipboardJS(".copy-btn",{target:function(e){for(var a=e.parentNode.childNodes,t=0;t<a.length;t++)if("CODE"===a[t].tagName)return a[t]}}).on("success",(function(e){e.clearSelection(),e.trigger.innerHTML=e.trigger.innerHTML.replace("icon-copy","icon-success"),setTimeout((function(){e.trigger.innerHTML=e.trigger.innerHTML.replace("icon-success","icon-copy")}),2e3)}))}}))}}};
\ No newline at end of file
diff --git a/js/utils.js b/js/utils.js
index d61bc26..a10dfd7 100644
--- a/js/utils.js
+++ b/js/utils.js
@@ -1,245 +1 @@
-/* global Fluid, CONFIG */
-
-window.requestAnimationFrame = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame;
-
-Fluid.utils = {
-
-  listenScroll: function(callback) {
-    var dbc = new Debouncer(callback);
-    window.addEventListener('scroll', dbc, false);
-    dbc.handleEvent();
-    return dbc;
-  },
-
-  unlistenScroll: function(callback) {
-    window.removeEventListener('scroll', callback);
-  },
-
-  listenDOMLoaded(callback) {
-    if (document.readyState !== 'loading') {
-      callback();
-    } else {
-      document.addEventListener('DOMContentLoaded', function () {
-        callback();
-      });
-    }
-  },
-
-  scrollToElement: function(target, offset) {
-    var of = jQuery(target).offset();
-    if (of) {
-      jQuery('html,body').animate({
-        scrollTop: of.top + (offset || 0),
-        easing   : 'swing'
-      });
-    }
-  },
-
-  elementVisible: function(element, offsetFactor) {
-    offsetFactor = offsetFactor && offsetFactor >= 0 ? offsetFactor : 0;
-    var rect = element.getBoundingClientRect();
-    const viewportHeight = window.innerHeight || document.documentElement.clientHeight;
-    return (
-      (rect.top >= 0 && rect.top <= viewportHeight * (1 + offsetFactor) + rect.height / 2) ||
-      (rect.bottom >= 0 && rect.bottom <= viewportHeight * (1 + offsetFactor) + rect.height / 2)
-    );
-  },
-
-  waitElementVisible: function(selectorOrElement, callback, offsetFactor) {
-    var runningOnBrowser = typeof window !== 'undefined';
-    var isBot = (runningOnBrowser && !('onscroll' in window))
-      || (typeof navigator !== 'undefined' && /(gle|ing|ro|msn)bot|crawl|spider|yand|duckgo/i.test(navigator.userAgent));
-    if (!runningOnBrowser || isBot) {
-      return;
-    }
-
-    offsetFactor = offsetFactor && offsetFactor >= 0 ? offsetFactor : 0;
-
-    function waitInViewport(element) {
-      Fluid.utils.listenDOMLoaded(function() {
-        if (Fluid.utils.elementVisible(element, offsetFactor)) {
-          callback();
-          return;
-        }
-        if ('IntersectionObserver' in window) {
-          var io = new IntersectionObserver(function(entries, ob) {
-            if (entries[0].isIntersecting) {
-              callback();
-              ob.disconnect();
-            }
-          }, {
-            threshold : [0],
-            rootMargin: (window.innerHeight || document.documentElement.clientHeight) * offsetFactor + 'px'
-          });
-          io.observe(element);
-        } else {
-          var wrapper = Fluid.utils.listenScroll(function() {
-            if (Fluid.utils.elementVisible(element, offsetFactor)) {
-              Fluid.utils.unlistenScroll(wrapper);
-              callback();
-            }
-          });
-        }
-      });
-    }
-
-    if (typeof selectorOrElement === 'string') {
-      this.waitElementLoaded(selectorOrElement, function(element) {
-        waitInViewport(element);
-      });
-    } else {
-      waitInViewport(selectorOrElement);
-    }
-  },
-
-  waitElementLoaded: function(selector, callback) {
-    var runningOnBrowser = typeof window !== 'undefined';
-    var isBot = (runningOnBrowser && !('onscroll' in window))
-      || (typeof navigator !== 'undefined' && /(gle|ing|ro|msn)bot|crawl|spider|yand|duckgo/i.test(navigator.userAgent));
-    if (!runningOnBrowser || isBot) {
-      return;
-    }
-
-    if ('MutationObserver' in window) {
-      var mo = new MutationObserver(function(records, ob) {
-        var ele = document.querySelector(selector);
-        if (ele) {
-          callback(ele);
-          ob.disconnect();
-        }
-      });
-      mo.observe(document, { childList: true, subtree: true });
-    } else {
-      Fluid.utils.listenDOMLoaded(function() {
-        var waitLoop = function() {
-          var ele = document.querySelector(selector);
-          if (ele) {
-            callback(ele);
-          } else {
-            setTimeout(waitLoop, 100);
-          }
-        };
-        waitLoop();
-      });
-    }
-  },
-
-  createScript: function(url, onload) {
-    var s = document.createElement('script');
-    s.setAttribute('src', url);
-    s.setAttribute('type', 'text/javascript');
-    s.setAttribute('charset', 'UTF-8');
-    s.async = false;
-    if (typeof onload === 'function') {
-      if (window.attachEvent) {
-        s.onreadystatechange = function() {
-          var e = s.readyState;
-          if (e === 'loaded' || e === 'complete') {
-            s.onreadystatechange = null;
-            onload();
-          }
-        };
-      } else {
-        s.onload = onload;
-      }
-    }
-    var ss = document.getElementsByTagName('script');
-    var e = ss.length > 0 ? ss[ss.length - 1] : document.head || document.documentElement;
-    e.parentNode.insertBefore(s, e.nextSibling);
-  },
-
-  createCssLink: function(url) {
-    var l = document.createElement('link');
-    l.setAttribute('rel', 'stylesheet');
-    l.setAttribute('type', 'text/css');
-    l.setAttribute('href', url);
-    var e = document.getElementsByTagName('link')[0]
-      || document.getElementsByTagName('head')[0]
-      || document.head || document.documentElement;
-    e.parentNode.insertBefore(l, e);
-  },
-
-  loadComments: function(selector, loadFunc) {
-    var ele = document.querySelector('#comments[lazyload]');
-    if (ele) {
-      var callback = function() {
-        loadFunc();
-        ele.removeAttribute('lazyload');
-      };
-      Fluid.utils.waitElementVisible(selector, callback, CONFIG.lazyload.offset_factor);
-    } else {
-      loadFunc();
-    }
-  },
-
-  getBackgroundLightness(selectorOrElement) {
-    var ele = selectorOrElement;
-    if (typeof selectorOrElement === 'string') {
-      ele = document.querySelector(selectorOrElement);
-    }
-    var view = ele.ownerDocument.defaultView;
-    if (!view) {
-      view = window;
-    }
-    var rgbArr = view.getComputedStyle(ele).backgroundColor.replace(/rgba*\(/, '').replace(')', '').split(/,\s*/);
-    if (rgbArr.length < 3) {
-      return 0;
-    }
-    var colorCast = (0.213 * rgbArr[0]) + (0.715 * rgbArr[1]) + (0.072 * rgbArr[2]);
-    return colorCast === 0 || colorCast > 255 / 2 ? 1 : -1;
-  },
-
-  retry(handler, interval, times) {
-    if (times <= 0) {
-      return;
-    }
-    var next = function() {
-      if (--times >= 0 && !handler()) {
-        setTimeout(next, interval);
-      }
-    };
-    setTimeout(next, interval);
-  }
-
-};
-
-/**
- * Handles debouncing of events via requestAnimationFrame
- * @see http://www.html5rocks.com/en/tutorials/speed/animations/
- * @param {Function} callback The callback to handle whichever event
- */
-function Debouncer(callback) {
-  this.callback = callback;
-  this.ticking = false;
-}
-
-Debouncer.prototype = {
-  constructor: Debouncer,
-
-  /**
-   * dispatches the event to the supplied callback
-   * @private
-   */
-  update: function() {
-    this.callback && this.callback();
-    this.ticking = false;
-  },
-
-  /**
-   * ensures events don't get stacked
-   * @private
-   */
-  requestTick: function() {
-    if (!this.ticking) {
-      requestAnimationFrame(this.rafCallback || (this.rafCallback = this.update.bind(this)));
-      this.ticking = true;
-    }
-  },
-
-  /**
-   * Attach this as the event listeners
-   */
-  handleEvent: function() {
-    this.requestTick();
-  }
-};
+function e(e){this.callback=e,this.ticking=!1}window.requestAnimationFrame=window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame,Fluid.utils={listenScroll:function(t){var n=new e(t);return window.addEventListener("scroll",n,!1),n.handleEvent(),n},unlistenScroll:function(e){window.removeEventListener("scroll",e)},listenDOMLoaded(e){"loading"!==document.readyState?e():document.addEventListener("DOMContentLoaded",(function(){e()}))},scrollToElement:function(e,t){var n=jQuery(e).offset();n&&jQuery("html,body").animate({scrollTop:n.top+(t||0),easing:"swing"})},elementVisible:function(e,t){t=t&&t>=0?t:0;var n=e.getBoundingClientRect();const i=window.innerHeight||document.documentElement.clientHeight;return n.top>=0&&n.top<=i*(1+t)+n.height/2||n.bottom>=0&&n.bottom<=i*(1+t)+n.height/2},waitElementVisible:function(e,t,n){var i="undefined"!=typeof window,o=i&&!("onscroll"in window)||"undefined"!=typeof navigator&&/(gle|ing|ro|msn)bot|crawl|spider|yand|duckgo/i.test(navigator.userAgent);function r(e){Fluid.utils.listenDOMLoaded((function(){if(Fluid.utils.elementVisible(e,n))t();else if("IntersectionObserver"in window)new IntersectionObserver((function(e,n){e[0].isIntersecting&&(t(),n.disconnect())}),{threshold:[0],rootMargin:(window.innerHeight||document.documentElement.clientHeight)*n+"px"}).observe(e);else var i=Fluid.utils.listenScroll((function(){Fluid.utils.elementVisible(e,n)&&(Fluid.utils.unlistenScroll(i),t())}))}))}i&&!o&&(n=n&&n>=0?n:0,"string"==typeof e?this.waitElementLoaded(e,(function(e){r(e)})):r(e))},waitElementLoaded:function(e,t){var n="undefined"!=typeof window,i=n&&!("onscroll"in window)||"undefined"!=typeof navigator&&/(gle|ing|ro|msn)bot|crawl|spider|yand|duckgo/i.test(navigator.userAgent);n&&!i&&("MutationObserver"in window?new MutationObserver((function(n,i){var o=document.querySelector(e);o&&(t(o),i.disconnect())})).observe(document,{childList:!0,subtree:!0}):Fluid.utils.listenDOMLoaded((function(){var n=function(){var i=document.querySelector(e);i?t(i):setTimeout(n,100)};n()})))},createScript:function(e,t){var n=document.createElement("script");n.setAttribute("src",e),n.setAttribute("type","text/javascript"),n.setAttribute("charset","UTF-8"),n.async=!1,"function"==typeof t&&(window.attachEvent?n.onreadystatechange=function(){var e=n.readyState;"loaded"!==e&&"complete"!==e||(n.onreadystatechange=null,t())}:n.onload=t);var i=document.getElementsByTagName("script"),o=i.length>0?i[i.length-1]:document.head||document.documentElement;o.parentNode.insertBefore(n,o.nextSibling)},createCssLink:function(e){var t=document.createElement("link");t.setAttribute("rel","stylesheet"),t.setAttribute("type","text/css"),t.setAttribute("href",e);var n=document.getElementsByTagName("link")[0]||document.getElementsByTagName("head")[0]||document.head||document.documentElement;n.parentNode.insertBefore(t,n)},loadComments:function(e,t){var n=document.querySelector("#comments[lazyload]");if(n){Fluid.utils.waitElementVisible(e,(function(){t(),n.removeAttribute("lazyload")}),CONFIG.lazyload.offset_factor)}else t()},getBackgroundLightness(e){var t=e;"string"==typeof e&&(t=document.querySelector(e));var n=t.ownerDocument.defaultView;n||(n=window);var i=n.getComputedStyle(t).backgroundColor.replace(/rgba*\(/,"").replace(")","").split(/,\s*/);if(i.length<3)return 0;var o=.213*i[0]+.715*i[1]+.072*i[2];return 0===o||o>127.5?1:-1},retry(e,t,n){if(!(n<=0)){var i=function(){--n>=0&&!e()&&setTimeout(i,t)};setTimeout(i,t)}}},e.prototype={constructor:e,update:function(){this.callback&&this.callback(),this.ticking=!1},requestTick:function(){this.ticking||(requestAnimationFrame(this.rafCallback||(this.rafCallback=this.update.bind(this))),this.ticking=!0)},handleEvent:function(){this.requestTick()}};
\ No newline at end of file