diff --git a/docs/markdown/en-US/area.md b/docs/markdown/en-US/area.md
index 7bc1185d8..e6bf68523 100644
--- a/docs/markdown/en-US/area.md
+++ b/docs/markdown/en-US/area.md
@@ -55,6 +55,7 @@ Set `columns-num` with 2, you'll have a 2 level picker.
|-----------|-----------|-----------|
| confirm | triggers when clicking the confirm button | an array |
| cancel | triggers when clicking the cancel button | - |
+| change | Triggered when current option changed | Picker instance, current values,column index |
### Data Structure
diff --git a/docs/markdown/en-US/picker.md b/docs/markdown/en-US/picker.md
index 36dae13a5..3e75da986 100644
--- a/docs/markdown/en-US/picker.md
+++ b/docs/markdown/en-US/picker.md
@@ -145,7 +145,7 @@ Picker events will pass different parameters according to the columns are single
|-----------|-----------|-----------|
| confirm | Triggered when click confirm button | Single column:current value,current index
Multiple columns:current values,current indexes |
| cancel | Triggered when click cancel button | Single column:current value,current index
Multiple columns:current values,current indexes |
-| change | Triggered when current option changed | Single column:current value,current index
Multiple columns:current values,column index |
+| change | Triggered when current option changed | Single column:Picker instance, current value,current index
Multiple columns:Picker instance, current values,column index |
### Data struct of columns
diff --git a/docs/markdown/zh-CN/area.md b/docs/markdown/zh-CN/area.md
index 1ecd5a59f..5dc0d33d8 100644
--- a/docs/markdown/zh-CN/area.md
+++ b/docs/markdown/zh-CN/area.md
@@ -53,6 +53,7 @@ Vue.use(Area);
| --- | --- | --- |
| confirm | 点击右上方完成按钮 | 一个数组参数,具体格式看下方数据格式章节 |
| cancel | 点击取消按钮时 | - |
+| change | 选项改变时触发 | Picker 实例,所有列选中值,当前列对应的索引 |
### 数据格式
diff --git a/docs/markdown/zh-CN/picker.md b/docs/markdown/zh-CN/picker.md
index 9526ad278..0824a3f6a 100644
--- a/docs/markdown/zh-CN/picker.md
+++ b/docs/markdown/zh-CN/picker.md
@@ -147,7 +147,7 @@ Picker 组件的事件会根据 columns 是单列或多列返回不同的参数
|-----------|-----------|-----------|
| confirm | 点击完成按钮时触发 | 单列:选中值,选中值对应的索引
多列:所有列选中值,所有列选中值对应的索引 |
| cancel | 点击取消按钮时触发 | 单列:选中值,选中值对应的索引
多列:所有列选中值,所有列选中值对应的索引 |
-| change | 选项改变时触发 | 单列:选中值,选中值对应的索引
多列:所有列选中值,当前列对应的索引 |
+| change | 选项改变时触发 | 单列:Picker 实例,选中值,选中值对应的索引
多列:Picker 实例,所有列选中值,当前列对应的索引 |
### Columns 数据结构
diff --git a/packages/area/index.vue b/packages/area/index.vue
index d7b0d2efb..df4437c8a 100644
--- a/packages/area/index.vue
+++ b/packages/area/index.vue
@@ -1,7 +1,7 @@