更換源

vim /etc/apt/sources.list

實測比較好用的地址

`清華大學
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

浙江大學
deb http://mirrors.zju.edu.cn/kali kali-rolling main contrib non-free
deb-src http://mirrors.zju.edu.cn/kali

kali官方源
deb http://http.kali.org/ kali-rolling main non-free contrib
deb-src http://http.kali.org/ kali-rolling main non-free contrib

阿里雲
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`

清除更新索引

apt-get clean && apt-get update && apt-get upgrade -y && apt-get dist-upgrade -y

命令講解：
apt-get clean //清除快取索引
apt-get update //更新索引檔案
apt-get upgrade //更新實際的軟體包檔案
apt-get dist-upgrade //根據依賴關係更新