2022-06-30 08:41:48 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-06-30 09:15:27 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-06-30 17:52:31 [错误] 打开端口(/dev/ttyS5,115200)失败!