2022-01-17 07:39:00 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-01-17 09:13:16 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-01-17 12:21:04 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-01-17 17:35:07 [错误] 打开端口(/dev/ttyS5,115200)失败!