diff --git a/docs/index.html b/docs/index.html
index b78814b..749e2f5 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -33,7 +33,9 @@
 </head>
 
 <body>
-
+    <header style="font-size: larger; padding: 2rem; background: lightblue; text-align: center;">
+        此页面是 2.x 旧版工具的主页。请前往<a href="https://vscch3.vercel.app">此处</a>下载 3.0 <span style="color:red; font-weight: bold;">新版</span>工具。
+    </header>
     <div class="container">
         <div class="jumbotron">
             <div class="row">
