2023-10-21 08:31:53 [错误] 打开端口(/dev/ttyS5,115200)失败!
2023-10-21 13:27:26 [错误] 打开端口(/dev/ttyS5,115200)失败!
2023-10-21 17:45:45 [错误] 打开端口(/dev/ttyS5,115200)失败!