diff --git a/index.html b/index.html
index 0289be1..e6dcb92 100644
--- a/index.html
+++ b/index.html
@@ -15,6 +15,9 @@
     <!-- vue js -->
     <script src="https://unpkg.com/vue@3"></script>
 
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.9-1/core.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.9-1/md5.js"></script>
+
 </head>
 <body>
 
