vc-primitive-cluster 聚合为什么会穿模呢 尝试这给labels和 billboards position增加个高度 但是这种方式不太友好 放大就看不到了

[IKE1001]

	<vc-collection-primitive>
			<vc-primitive-cluster ref="collectionRef" :show="show" :enabled="enabled" v-if="billboards.length"
				:billboards="billboards" :labels="labels" :minimum-cluster-size="2"
				@cluster-event="onClusterEvent"></vc-primitive-cluster>
		</vc-collection-primitive>
		<vc-navigation ref="navigation" :offset="[35, 35]" />

		<!-- 底图 -->
		<vc-layer-imagery :sort-order="10">
			<vc-imagery-provider-arcgis ref="provider"
				url="https://services.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer" />
		</vc-layer-imagery>
		<!-- 标记图 -->
		<vc-layer-imagery :sort-order="20">
			<vc-imagery-provider-urltemplate ref="provider" :projection-transforms="projectionTransforms"
				url="http://webst01.is.autonavi.com/appmaptile?style=8&x={x}&y={y}&z={z}" />
		</vc-layer-imagery>
		
		
		carData.forEach((item) => {
		console.log(item, '[]')
		labels.value.push({
			show: true,
			scale: 1,
			showBackground: true,
			backgroundColor: Cesium.Color.fromCssColorString('#45ce00').withAlpha(0.5),
			verticalOrigin: 1,
			horizontalOrigin: 0,
			pixelOffset: new Cesium.Cartesian2(0, -10),
			font: '16px sans-serif',
			position: [item.carGeom.coordinates[0], item.carGeom.coordinates[1]],
			disableDepthTestDistance: Number.POSITIVE_INFINITY,
			distanceDisplayCondition: [0, Number.POSITIVE_INFINITY],
			text: 'wo1车'
		})

		billboards.value.push({
			image: carImage,
			width: 32,
			height: 32,
			position: [item.carGeom.coordinates[0], item.carGeom.coordinates[1]],
			onClick: e => {
				console.log(e)
			}
		})
	})