diff --git a/docs/index.html b/docs/index.html
index 2bfee7dd2a..9af4233d2f 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -23,7 +23,7 @@
 
     </head>
     <body>
-
+中文：<a href="zh_CN/_book/index.html" target="_blank">中文文档</a>
 
     </body>
 </html>
