message: test(Picker): add test cases
diff: @@ -70,7 +70,7 @@ export default createComponent({
  ...pickerProps,
  columnsFieldNames: Object as PropType<PickerFieldNames>,
  columns: {
  - type: Array as PropType<PickerColumn[]>,
  + type: Array as PropType<PickerOption[] | PickerColumn[]>,
  default: () => [],
  },
  defaultIndex: {
  