郁闷啦半天，发现自带打源都有点坑，还有一个被强了。只能自己改啦先输入 sudo gedit /etc/apt/sources.list.d/official-package-repositories.list然后全部清楚啦，替换为以下内容deb http://mirrors.aliyun.com/ubuntu/ trusty main restricted universe multiverse

- 阅读全文 -