2022-01-20 08:59:26 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-01-20 12:40:00 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-01-20 13:15:41 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-01-20 18:48:00 [错误] 打开端口(/dev/ttyS5,115200)失败!