leafpad /etc/apt/sources.list

2018.10.19日更新:

中科大

deb http://mirrors.ustc.edu.cn/kali kali-rolling main non-free contrib
deb-src http://mirrors.ustc.edu.cn/kali kali-rolling main non-free contrib

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 https://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

东软大学

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

官方源

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

-----Kali 2.0+ ---更新源---

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
deb http://mirrors.aliyun.com/kali-security kali-rolling/updates main contrib non-free

中科大 

deb http://mirrors.ustc.edu.cn/kali kali-rolling main non-free contrib  
deb-src http://mirrors.ustc.edu.cn/kali kali-rolling main non-free contrib 

将新的Kali源粘贴进去,同时将官方源用#号注释掉。
再:

    apt-get dist-upgrade

    apt-get update & apt-get upgrade

    apt-get clean