你好,没太看懂具体是什么意思,如果想要初始化的时候标号就显示出来的话可以参考代码:
plottingBaseLayer = new Cesium.PlottingLayer(viewer.scene, "基本标绘图层");
viewer.scene.plotLayers.add(plottingBaseLayer);
var point = [new Cesium.PlotPoint3D(91.2289399584463, 44.2810161553334, 0)];
plottingBaseLayer.createSymbol(421, 30502, point);