2023-06-29 08:31:25 [错误] 打开端口(/dev/ttyS5,115200)失败!
2023-06-29 12:00:28 [错误] 打开端口(/dev/ttyS5,115200)失败!
2023-06-29 13:42:45 [错误] 打开端口(/dev/ttyS5,115200)失败!