diff --git a/index.html b/index.html
index 4d2d2bb..04dd4a7 100644
--- a/index.html
+++ b/index.html
@@ -1,64 +1,22 @@
 <!DOCTYPE html>
 <html lang="en">
-
 <head>
   <meta charset="UTF-8">
-  <title>JavaYouth</title>
+  <title>Document</title>
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
   <meta name="description" content="Description">
-  <meta name="viewport"
-    content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
-  <link rel="stylesheet" href="//unpkg.com/docsify/lib/themes/prism.css">
-  <!--主题-->
-  <link rel="stylesheet" href="//unpkg.com/docsify/lib/themes/vue.css">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0">
+  <link rel="stylesheet" href="//cdn.jsdelivr.net/npm/docsify@4/lib/themes/vue.css">
 </head>
-
 <body>
-
   <div id="app"></div>
-  <!-- docsify-edit-on-github -->
-  <script src="//unpkg.com/docsify-edit-on-github/index.js"></script>
   <script>
     window.$docsify = {
-      name: 'JavaYouth',
-      repo: 'git@github.com:youthlql/JavaYouth.git',
-      maxLevel: 6,//最大支持渲染的标题层级
-      coverpage: true,
-      auto2top: true,//切换页面后是否自动跳转到页面顶部
-	  loadNavbar: true,//导航栏
-      search: {
-        //maxAge: 86400000, // 过期时间，单位毫秒，默认一天
-        paths: 'auto',
-        placeholder: '搜索',
-        noData: '找不到结果',
-        // 搜索标题的最大程级, 1 - 6
-        depth: 6,
-      },
-      // 字数统计
-      count: {
-        countable: true,
-        fontsize: '0.9em',
-        color: 'rgb(90,90,90)',
-        language: 'chinese'
-      },
-      plugins: [
-        EditOnGithubPlugin.create('https://github.com/youthlql/JavaYouth')
-      ],
+      name: '',
+      repo: ''
     }
   </script>
-  <script src="//unpkg.com/docsify/lib/docsify.min.js"></script>
-  <!--Java代码高亮-->
-  <script src="//unpkg.com/prismjs/components/prism-java.js"></script>
-  <!--全文搜索,直接用官方提供的无法生效-->
-  <script src="https://cdn.bootcss.com/docsify/4.5.9/plugins/search.min.js"></script>
-  <!-- 复制到剪贴板 -->
-  <script src="//unpkg.com/docsify-copy-code"></script>
-  <!-- 图片缩放 -->
-  <script src="//unpkg.com/docsify/lib/plugins/zoom-image.js"></script>
-  <!-- 表情 -->
-  <script src="//unpkg.com/docsify/lib/plugins/emoji.js"></script>
-  <!-- 字数统计 -->
-  <script src="//unpkg.com/docsify-count/dist/countable.js"></script>
+  <!-- Docsify v4 -->
+  <script src="//cdn.jsdelivr.net/npm/docsify@4"></script>
 </body>
-
-</html>
\ No newline at end of file
+</html>
