diff --git a/docs/markdown/en-US/picker.md b/docs/markdown/en-US/picker.md
index a3d4db0ee..c2246f041 100644
--- a/docs/markdown/en-US/picker.md
+++ b/docs/markdown/en-US/picker.md
@@ -23,8 +23,10 @@ export default {
       columns: ['Delaware', 'Florida', 'Georqia', 'Indiana', 'Maine']
     };
   },
-  onChange(picker, value, index) {
-    Toast(`Value: ${value}, Index: ${index}`);
+  methods: {
+    onChange(picker, value, index) {
+      Toast(`Value: ${value}, Index: ${index}`);
+    }
   }
 };
 ```
diff --git a/docs/markdown/zh-CN/picker.md b/docs/markdown/zh-CN/picker.md
index 6b78b425f..8a9ccc61e 100644
--- a/docs/markdown/zh-CN/picker.md
+++ b/docs/markdown/zh-CN/picker.md
@@ -24,8 +24,10 @@ export default {
       columns: ['杭州', '宁波', '温州', '嘉兴', '湖州']
     };
   },
-  onChange(picker, value, index) {
-    Toast(`当前值：${value}, 当前索引：${index}`);
+  methods: {
+    onChange(picker, value, index) {
+      Toast(`当前值：${value}, 当前索引：${index}`);
+    }
   }
 };
 ```