2022-01-30 08:55:39 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-01-30 12:33:18 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-01-30 17:14:22 [错误] 打开端口(/dev/ttyS5,115200)失败!