diff --git a/docs/index.html b/docs/index.html
index 3f15f1dd..e445274a 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -7,7 +7,7 @@
   <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/vue.css">
+  <link href="https://cdn.bootcss.com/docsify/4.5.5/themes/vue.css" rel="stylesheet">
 </head>
 <body>
   <div id="app"></div>
@@ -43,6 +43,6 @@
        navigator.serviceWorker.register('serviceWorker.js')
     }
   </script>
-  <script src="//unpkg.com/docsify/lib/docsify.min.js"></script>
+  <script src="https://cdn.bootcss.com/docsify/4.5.5/docsify.min.js"></script>
 </body>
 </html>
