diff --git a/src/area/README.md b/src/area/README.md
index 04e182232..4478dc101 100644
--- a/src/area/README.md
+++ b/src/area/README.md
@@ -123,7 +123,7 @@ Example of `AreaList`
 }
 ```
 
-All code of China: [Area.json](https://github.com/youzan/vant/blob/dev/src/area/demo/area-en.js)
+All code of China: [Area.json](https://github.com/youzan/vant/blob/dev/src/area/demo/area-en.ts)
 
 ### argument of callback function confirm
 
diff --git a/src/area/README.zh-CN.md b/src/area/README.zh-CN.md
index 8e1cfdec0..868cc35dc 100644
--- a/src/area/README.zh-CN.md
+++ b/src/area/README.zh-CN.md
@@ -130,7 +130,7 @@ Vue.use(Area);
 }
 ```
 
-完整数据见 [Area.json](https://github.com/youzan/vant/blob/dev/src/area/demo/area.js)
+完整数据见 [Area.json](https://github.com/youzan/vant/blob/dev/src/area/demo/area.ts)
 
 ### 点击完成时返回的数据格式