修改源：
sudo vim /etc/apt/sources.list
修改为：
deb https://mirrors.ustc.edu.cn/kali kali-rolling main non-free contrib
deb-src https://mirrors.ustc.edu.cn/kali kali-rolling main non-free contrib
更新：
sudo apt update
升级
sudo apt full-upgrade -y
重启
sudo init 6
来源: https://www.youtube.com/watch?v=mQLjHjKoIhE&ab_channel=TECHDHEE
https://techdhee.org/update-kali-linux/