2022-01-22 09:09:00 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-01-22 12:48:03 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-01-22 17:54:26 [错误] 打开端口(/dev/ttyS5,115200)失败!