diff --git a/packages/vant/src/date-picker/README.md b/packages/vant/src/date-picker/README.md
index f3a2fe272..bba3ed9ad 100644
--- a/packages/vant/src/date-picker/README.md
+++ b/packages/vant/src/date-picker/README.md
@@ -188,9 +188,9 @@ export default {
 
 | Event | Description | Arguments |
 | --- | --- | --- |
-| confirm | Emitted when the confirm button is clicked | _{ selectedValues, selectedOptions }_ |
-| cancel | Emitted when the cancel button is clicked | _{ selectedValues, selectedOptions }_ |
-| change | Emitted when current option is changed | _{ selectedValues, selectedOptions, columnIndex }_ |
+| confirm | Emitted when the confirm button is clicked | _{ selectedValues, selectedOptions, selectedIndexes }_ |
+| cancel | Emitted when the cancel button is clicked | _{ selectedValues, selectedOptions, selectedIndexes }_ |
+| change | Emitted when current option is changed | _{ selectedValues, selectedOptions, selectedIndexes, columnIndex }_ |
 
 ### Slots
 
diff --git a/packages/vant/src/date-picker/README.zh-CN.md b/packages/vant/src/date-picker/README.zh-CN.md
index 6c49e62b0..22859a506 100644
--- a/packages/vant/src/date-picker/README.zh-CN.md
+++ b/packages/vant/src/date-picker/README.zh-CN.md
@@ -194,9 +194,9 @@ export default {
 
 | 事件名 | 说明 | 回调参数 |
 | --- | --- | --- |
-| confirm | 点击完成按钮时触发 | _{ selectedValues, selectedOptions }_ |
-| cancel | 点击取消按钮时触发 | _{ selectedValues, selectedOptions }_ |
-| change | 选项改变时触发 | _{ selectedValues, selectedOptions, columnIndex }_ |
+| confirm | 点击完成按钮时触发 | _{ selectedValues, selectedOptions, selectedIndexes }_ |
+| cancel | 点击取消按钮时触发 | _{ selectedValues, selectedOptions, selectedIndexes }_ |
+| change | 选项改变时触发 | _{ selectedValues, selectedOptions, selectedIndexes, columnIndex }_ |
 
 ### Slots
 
diff --git a/packages/vant/src/time-picker/README.md b/packages/vant/src/time-picker/README.md
index f421f3f09..a7922074a 100644
--- a/packages/vant/src/time-picker/README.md
+++ b/packages/vant/src/time-picker/README.md
@@ -267,9 +267,9 @@ export default {
 
 | Event | Description | Arguments |
 | --- | --- | --- |
-| confirm | Emitted when the confirm button is clicked | _{ selectedValues, selectedOptions }_ |
-| cancel | Emitted when the cancel button is clicked | _{ selectedValues, selectedOptions }_ |
-| change | Emitted when current option is changed | _{ selectedValues, selectedOptions, columnIndex }_ |
+| confirm | Emitted when the confirm button is clicked | _{ selectedValues, selectedOptions, selectedIndexes }_ |
+| cancel | Emitted when the cancel button is clicked | _{ selectedValues, selectedOptions, selectedIndexes }_ |
+| change | Emitted when current option is changed | _{ selectedValues, selectedOptions, selectedIndexes, columnIndex }_ |
 
 ### Slots
 
diff --git a/packages/vant/src/time-picker/README.zh-CN.md b/packages/vant/src/time-picker/README.zh-CN.md
index 3983665ae..2f5edafdc 100644
--- a/packages/vant/src/time-picker/README.zh-CN.md
+++ b/packages/vant/src/time-picker/README.zh-CN.md
@@ -268,9 +268,9 @@ export default {
 
 | 事件名 | 说明 | 回调参数 |
 | --- | --- | --- |
-| confirm | 点击完成按钮时触发 | _{ selectedValues, selectedOptions }_ |
-| cancel | 点击取消按钮时触发 | _{ selectedValues, selectedOptions }_ |
-| change | 选项改变时触发 | _{ selectedValues, selectedOptions, columnIndex }_ |
+| confirm | 点击完成按钮时触发 | _{ selectedValues, selectedOptions, selectedIndexes }_ |
+| cancel | 点击取消按钮时触发 | _{ selectedValues, selectedOptions, selectedIndexes }_ |
+| change | 选项改变时触发 | _{ selectedValues, selectedOptions, selectedIndexes, columnIndex }_ |
 
 ### Slots
 
diff --git a/packages/vant/src/time-picker/test/index.spec.tsx b/packages/vant/src/time-picker/test/index.spec.tsx
index a84d7af3d..bbff4c48f 100644
--- a/packages/vant/src/time-picker/test/index.spec.tsx
+++ b/packages/vant/src/time-picker/test/index.spec.tsx
@@ -122,18 +122,18 @@ test('should filter options when using filter prop to filter a time range', asyn
   });
 
   const picker = wrapper.findComponent(Picker);
-  let columns = picker.props('columns');
+  let columns = picker.props('columns')!;
   expect(columns[0].length).toEqual(11);
   expect(columns[1].length).toEqual(20);
   expect(columns[0][0].value).toEqual('08');
   expect(columns[1][0].value).toEqual('40');
 
   await wrapper.setProps({ modelValue: ['09', '00'] });
-  columns = picker.props('columns');
+  columns = picker.props('columns')!;
   expect(columns[1].length).toEqual(60);
 
   await wrapper.setProps({ modelValue: ['18', '00'] });
-  columns = picker.props('columns');
+  columns = picker.props('columns')!;
   expect(columns[1].length).toEqual(21);
   expect(columns[1][20].value).toEqual('20');
 });