打开命令行输入sudo -s进入root权限
sudo vi /etc/apt/sources.list
进入ect 文件夹下的，apt下的sources.list文件
按e进入此文件在按i插入，删除掉文件夹内的所有东西将以下复制粘贴进去，（）里不用复制进去
（中科大）deb http://mirrors.ustc.edu.cn/kali kali-rolling main non-free contrib
deb-src http://mirrors.ustc.eud.cn/kali kali-rolling main non-free contri
（阿里云）deb http://mirrors.aliyun.com/kali kali-rolling main non-free contrib
deb-src http://mirrors.aliyun.com/kali kali-rolling main non-free contrib
（清华大学）deb http://mirrors.tuna.tsinghua.edu.cn/kali kali-rolling main contrib non-free
deb-src http://mirrors.tuna.tsinghua.edu.cn/kali kali-rolling main contrib non-free
（浙大）deb http://mirrors.zju.edu.cn/kali kali-rolling main contrib non-free
deb-src http://mirrors.zju.edu.cn.kali kali-rolling main contrib non-free
（东软）deb http://mirrors.neusoft.edu.cn/kali kali-rolling/main non-free contrib
deb-src http://mirrors.neusoft.edu.cn/kali kali-rolling/main non-free contrib
（官方）deb http://http.kali.org/kali kali-rolling main non-free contrib
deb-src http://http.kali.org/kali kali-rolling main non-free contrib
然后按esc，在输入:wq! 在按下enter也就是回车，在命令行输入apt-get update，等跑完你就可以安装你需要的东西了。