2021-02-05 08:41:45 [错误] 打开端口(/dev/ttyS5,115200)失败!
2021-02-05 14:24:11 [错误] 打开端口(/dev/ttyS5,115200)失败!
2021-02-05 22:02:58 [错误] 打开端口(/dev/ttyS5,115200)失败!