2021-01-31 08:39:59 [错误] 打开端口(/dev/ttyS5,115200)失败!
2021-01-31 22:00:17 [错误] 打开端口(/dev/ttyS5,115200)失败!
2021-01-31 22:03:27 [错误] 打开端口(/dev/ttyS5,115200)失败!
2021-01-31 22:05:17 [错误] 打开端口(/dev/ttyS5,115200)失败!