2023-05-24 08:30:38 [错误] 打开端口(/dev/ttyS5,115200)失败!
2023-05-24 14:01:47 [错误] 打开端口(/dev/ttyS5,115200)失败!
2023-05-24 18:42:04 [错误] 打开端口(/dev/ttyS5,115200)失败!