diff --git a/docs/index.html b/docs/index.html
index 6c7d333..21f8f92 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -6,7 +6,8 @@
   <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="//cdn.jsdelivr.net/npm/docsify/lib/themes/vue.css">
+  <!-- <link rel="stylesheet" href="//cdn.jsdelivr.net/npm/docsify/lib/themes/vue.css"> -->
+  <link rel="stylesheet" href="//unpkg.com/docsify@4.7.0/lib/themes/vue.css">
 </head>
 <body>
   <div id="app"></div>
@@ -23,6 +24,7 @@
   <link rel="stylesheet" href="//cdn.jsdelivr.net/npm/katex@latest/dist/katex.min.css">
 
   <!-- Put them above docsify.min.js -->
-  <script src="//cdn.jsdelivr.net/npm/docsify/lib/docsify.min.js"></script>
+  <!-- <script src="//cdn.jsdelivr.net/npm/docsify/lib/docsify.min.js"></script> -->
+  <script src="//unpkg.com/docsify@4.7.0/lib/docsify.min.js"></script>
 </body>
 </html>
