首先，我们要打开sources.list文件，进行添加更新源：
leafpad /etc/apt/sources.list
然后选择添加以下较快的源：
#官方源
deb http://http.kali.org/kali kali main non-free contrib
deb-src http://http.kali.org/kali kali main non-free contrib
deb http://security.kali.org/kali-security kali/updates main contrib non-free
#中科大源
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-free2
# 上海交大的源
deb http://ftp.sjtu.edu.cn/debian wheezy main non-free contribdeb
http://ftp.sjtu.edu.cn/debian wheezy-proposed-updates main non-free contrib
deb http://ftp.sjtu.edu.cn/debian-security wheezy/updates main non-free contrib
#新加坡源
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://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
#debain源
deb http://mirrors.163.com/debian/ wheezy main contrib
deb http://mirrors.163.com/debian/ wheezy-proposed-updates main contrib
deb-src http://mirrors.163.com/debian/ wheezy main contrib
deb-src http://mirrors.163.com/debian/ wheezy-proposed-updates main contrib
#debian安全更新源
deb http://security.debian.org/ wheezy/updates main contrib
deb-src http://security.debian.org/ squeeze/updates main contrib non-free
#163源的地址
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
deb http://mirrors.163.com/debian/ wheezy-updates contrib main
#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 contribdeb
http://mirrors.aliyun.com/kali-security kali/updates main contrib non-free
然后执行：apt-get update & apt-get upgrade 即可。