diff --git a/index.html b/index.html
index 6fcbc84..d5f28e8 100644
--- a/index.html
+++ b/index.html
@@ -7,6 +7,7 @@
   <meta name="description" content="Description">
   <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">
+  <link rel="icon" href="https://wdndev.github.io/img/wdn_icon.png">
 </head>
 <body>
   <div id="app"></div>
@@ -78,11 +79,11 @@
   <!-- or <script src="//cdn.jsdelivr.net/gh/upupming/docsify-katex@latest/dist/docsify-katex.js"></script> -->
 
   <!-- 代码高亮 -->
+  <script src="//unpkg.com/prismjs/components/prism-c.js"></script>
+  <script src="//unpkg.com/prismjs/components/prism-cpp.js"></script>
   <script src="//cdn.jsdelivr.net/npm/prismjs/components/prism-bash.min.js"></script>
   <script src="//cdn.jsdelivr.net/npm/prismjs/components/prism-java.min.js"></script>
   <script src="//cdn.jsdelivr.net/npm/prismjs/components/prism-python.min.js"></script>
-  <script src="//cdn.jsdelivr.net/npm/prismjs/components/prism-cpp.min.js"></script>
-  <script src="//cdn.jsdelivr.net/npm/prismjs/components/prism-c.min.js"></script>
   <script src="//cdn.jsdelivr.net/npm/prismjs/components/prism-javascript.min.js"></script>
   <script src="//cdn.jsdelivr.net/npm/prismjs/components/prism-css.min.js"></script>
   <script src="//cdn.jsdelivr.net/npm/prismjs/components/prism-powershell.min.js"></script>
@@ -116,10 +117,6 @@
   <!-- 红心点击特效 -->
   <script src="//cdn.jsdelivr.net/gh/jerryc127/butterfly_cdn@2.1.0/js/click_heart.js"></script>
   <script src="https://unpkg.com/docsify-plugin-flexible-alerts"></script>
- 
-
- 
-
 
 </body>
 </html>
