1.在root模式下vim /etc/apt/sources.list2.进入vim页面后注释原本内容添加新源# 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 # 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 # 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-free3.退出vim后更新源apt-get update4.如果更新源失败检查密钥是否过期#先cd到opt目录 cd /opt/ wget -q -O - https://archive.kali.org/archive-key.asc | sudo apt-key add -