const imageryProvider = new Cesium.WebMapServiceImageryProvider({
      url: `http://localhost:8088/geoserver/mds/wms`,
      layers: "sheng",
      style: 'default',
      parameters:{
        format: 'image/png',
        service:'WMS',
        transparent:true
      },
      tileMatrixSetID: 'EPSG:4326',
    })

    Maplayer = CesiumViewInstance.viewer.imageryLayers.addImageryProvider(imageryProvider)