2022-01-19 08:53:45 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-01-19 12:35:57 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-01-19 17:54:18 [错误] 打开端口(/dev/ttyS5,115200)失败!