Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
是因为流渲染场景没有初始化完毕,就执行图观API方法了,图观所有的API方法都需要放在onServiceInit监听方法里面。