diff --git a/index.html b/index.html
index 517fc115..75264ceb 100644
--- a/index.html
+++ b/index.html
@@ -23,5 +23,5 @@
 
 <div id="app"></div>
 
-<script type="text/javascript" src="https://youzan.github.io/vant-weapp/vant-docs.7f5f18eb.js"></script></body>
+<script type="text/javascript" src="https://b.yzcdn.cn/vant-weapp/vant-docs.3f4eadf7.js"></script></body>
 </html>
diff --git a/preview.html b/preview.html
index cbd8edb3..9d78eb72 100644
--- a/preview.html
+++ b/preview.html
@@ -23,5 +23,5 @@
 
 <div id="app"></div>
 
-<script type="text/javascript" src="https://youzan.github.io/vant-weapp/vant-preview.7f5f18eb.js"></script></body>
+<script type="text/javascript" src="https://b.yzcdn.cn/vant-weapp/vant-preview.3f4eadf7.js"></script></body>
 </html>