2022-08-02 08:42:14 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-08-02 13:20:23 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-08-02 19:09:55 [错误] 打开端口(/dev/ttyS5,115200)失败!