diff --git a/index.html b/index.html
index cbb34a1..f0f2225 100644
--- a/index.html
+++ b/index.html
@@ -88,9 +88,9 @@
             object-fit: cover;
         }
     </style>
-    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/mdui/2.1.1/mdui.min.css">
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/mdui/2.1.1/mdui.global.js"></script>
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/markdown-it/13.0.2/markdown-it.min.js"></script>
+    <link rel="stylesheet" href="https://mirrors.sustech.edu.cn/cdnjs/ajax/libs/mdui/2.1.1/mdui.min.css">
+    <script src="https://mirrors.sustech.edu.cn/cdnjs/ajax/libs/mdui/2.1.1/mdui.global.js"></script>
+    <script src="https://mirrors.sustech.edu.cn/cdnjs/ajax/libs/markdown-it/13.0.2/markdown-it.min.js"></script>
 </head>
 
 <body class="mdui-prose">
