如何让日历显示的是农历日期？

@Entry
@Component
struct Index {
  // 当前日期选择器组件的日期
  private currentPickerDate: Date = new Date('2022-10-30');
  build() {
    Column() {
      DatePicker({
        start: new Date('1970-1-1'),
        end: new Date('2200-12-31'),
        selected: this.currentPickerDate // Default date is 2022-10-30
      })
        .lunar(true)//显示农历
    }
    .width('100%')
    .height('100%')
    .justifyContent(FlexAlign.Center)
  }
}