HarmonyOS 鸿蒙Next 地图组件MapComponent如何实现状态刷新并刷新大头针坐标

HarmonyOS 鸿蒙Next 地图组件MapComponent如何实现状态刷新并刷新大头针坐标 地图组件MapComponent,我通过改变mapOptions的经纬度去驱动状态刷新,发现未生效,地图的大头针位置没用更新; MapComponent如何实现状态刷新,有没有方案?

import { mapCommon } from '@kit.MapKit'
import { MapComponent } from '@hms.core.map.MapComponent';
import map from '@hms.core.map.map';
import { AsyncCallback } from '@ohos.base';

@Entry
@Component
struct Index {
  @State message: string = 'Hello World';
  private marker?: map.Marker
  @State mapOption: mapCommon.MapOptions | undefined = undefined;
  // 定位的图标
  private callback?: AsyncCallback<map.MapComponentController> ;
  private mapController?: map.MapComponentController;

  // 经度
  @State posX: number = 31.1232132
  // 纬度
  @State posY: number = 117.2323232

  mapSetting() {
    // 地图初始化参数，设置地图中心点坐标及层级
    this.mapOption = {
      position: {
        target: {
          latitude: this.posX,
          longitude: this.posY,
        },
        zoom: 11
      },
      mapType: mapCommon.MapType.STANDARD,
      zoomControlsEnabled: true,
      scrollGesturesEnabled: true,
      zoomGesturesEnabled: true,
      scaleControlsEnabled: true,
    }
    // 地图初始化的回调
    if (this.callback === undefined){
      this.callback = async (err, mapController) => {
        if (!err) {
          mapController.setCompassControlsEnabled(true)
          // 启用我的位置图层
          /*    mapController.setMyLocationEnabled(true);
              // 启用我的位置按钮
              mapController.setMyLocationControlsEnabled(true);*/
          mapController.setScaleControlsEnabled(true)
          // 获取地图的控制器类，用来操作地图
          this.mapController = mapController;
          // 
          this.setBranchLocation()

        }
      }
    }
  }

  aboutToAppear(): void {
    this.mapSetting()
    //延迟更新经纬度
    setTimeout(() => {
      this.posX = 32.3939344
      this.posY = 119.32432432
      this.mapSetting()
      this.setBranchLocation()
    },10000)
  }

  async setBranchLocation() {
    // Marker初始化参数
    let markerOptions: mapCommon.MarkerOptions = {
      position: {
        latitude: this.posX,
        longitude: this.posY
      },
      rotation: 0,
      visible: true,
      zIndex: 0,
      alpha: 1,
      anchorU: 0.5,
      anchorV: 1,
      clickable: true,
      draggable: true,
      flat: false,
      // 图标存放在resources/rawfile，icon参数传入rawfile文件夹下的相对路径
      icon: 'point.png',
      // 给这个marker赋名字
      title: '',
      snippet: ''
    };
    // 创建Marker
    this.marker = await this.mapController!.addMarker(markerOptions);
    // 设置标记锚点
    this.marker.setMarkerAnchor(1.0, 1.0);
  }

  build() {
    Column() {
      Text(this.message)
        .id('地图刷新')
        .fontSize(50)
        .fontWeight(FontWeight.Bold)
        .textAlign(TextAlign.Center)
        .margin({top:50,left:15,right:15})


      MapComponent({ mapOptions: this.mapOption, mapCallback: this.callback })
        .margin({left:20,right:20})
        .layoutWeight(1)

    }
    .height('100%')
    .width('100%')
  }
}