1.更换更新源为国内源: sudo vim /etc/apt/sources.list vim 打开更新源配置文件添加国内源进去,这里添加阿里源 deb http://mirrors.aliyun.com/ubuntu/ xenial main deb-src http://mirrors.aliyun.com/ubuntu/ xenial main deb http://mirrors.aliyun.com/ubuntu/ xenial-updates main deb-src http://