2022-01-25 08:57:38 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-01-25 12:44:22 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-01-25 18:15:59 [错误] 打开端口(/dev/ttyS5,115200)失败!