step1.打开终端键入：leafpad /etc/apt/sources.list 意为使用leafpad编辑器进行编辑源列表文件
step2:在刚打开的文件中键入：如下
# # deb cdrom:[Debian GNU/Linux 7.0 _Kali_ - Official Snapshot amd64 LIVE/INSTALL Binary 20150312-17:50]/ kali contrib main non-free #deb cdrom:[Debian GNU/Linux 7.0 _Kali_ - Official Snapshot amd64 LIVE/INSTALL Binary 20150312-17:50]/ kali contrib main non-free deb http://http.kali.org/kali moto main non-free contrib deb-src http://http.kali.org/kali moto main non-free contrib deb http://security.kali.org/ moto/updates main contrib non-free deb-src http://security.kali.org/ moto/updates main contrib non-free #中科大kali源 deb http://mirrors.ustc.edu.cn/kali kali main non-free contrib deb-src http://mirrors.ustc.edu.cn/kali kali main non-free contrib deb http://mirrors.ustc.edu.cn/kali-security kali/updates main contrib non-free #新加坡kali源 deb http://mirror.nus.edu.sg/kali/kali/ kali main non-free contrib deb-src http://mirror.nus.edu.sg/kali/kali/ kali main non-free contrib deb http://security.kali.org/kali-security kali/updates main contrib non-free deb http://mirror.nus.edu.sg/kali/kali-security kali/updates main contrib non-free deb-src http://mirror.nus.edu.sg/kali/kali-security kali/updates main contrib non-free #阿里云kali源 deb http://mirrors.aliyun.com/kali kali main non-free contrib deb-src http://mirrors.aliyun.com/kali kali main non-free contrib deb http://mirrors.aliyun.com/kali-security kali/updates main contrib non-free #163 Kali源 deb http://mirrors.163.com/debian wheezy main non-free contrib deb-src http://mirrors.163.com/debian wheezy main non-free contrib deb http://mirrors.163.com/debian wheezy-proposed-updates main non-free contrib deb-src http://mirrors.163.com/debian wheezy-proposed-updates main non-free contrib deb-src http://mirrors.163.com/debian-security wheezy/updates main non-free contrib deb http://mirrors.163.com/debian-security wheezy/updates main non-free contrib
step3.保存并关闭文件即可。
原文：http://www.cnblogs.com/ghost00011011/p/7637145.html