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).
在画面中,将数据源数据 的轮训时间设置为1秒,间隔一段时间后页面就会崩溃
这个需要看你访问平台电脑的性能,和你轮询之后查询的数据大约有多少条