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@kidswong999 感觉就是没有写入权限一样，我用读卡器将程序写进去就能运行，但是直接下载红灯都不亮的。。
@kidswong999 就是没法下载程序。并且手动添加的文件夹，重启设备过后也会消失
插上ｓｄ卡能读出来，但是没法用这是咋回事呢
