2022-01-23 08:44:05 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-01-23 09:05:11 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-01-23 12:35:48 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-01-23 18:13:40 [错误] 打开端口(/dev/ttyS5,115200)失败!