在界面下可以关掉自动升级，但是，每次还是会弹出升级提示，解决方法：
sudo systemctl disable apt-daily.service apt-daily-upgrade.service sudo systemctl disable apt-daily.timer apt-daily-upgrade.timer sudo systemctl stop apt-daily.service apt-daily-upgrade.service sudo systemctl stop apt-daily.timer apt-daily-upgrade.timer
此方法不起作用！！！