Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you may not be able to execute some actions.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
本来好好的 突然main函数就打不开了 脱机运行也运行不了 起初是把main删了重新写 可是把usb线拔下再插上后又报错,如下图
可以了 把磁盘格式化之后就可以了