1、更换更新源,命令行中执行一下命令/etc/apt/sources.list
2、替换sources.list里面的内容可以使用以下三个源（使用一个即可） #kali官方源 deb http://http.kali.org/kali kali-rolling main non-free contrib #中科大的源 deb http://mirrors.ustc.edu.cn/kali kali-rolling main non-free contrib deb http://mirrors.ustc.edu.cn/kali kali-rolling main contrib non-free deb-src http://mirrors.ustc.edu.cn/kali kali-rolling main contrib non-free deb http://mirrors.ustc.edu.cn/kali-security kali-current/updates main contrib non-free deb-src http://mirrors.ustc.edu.cn/kali-security kali-current/updates main contrib non-free #阿里云源 deb http://mirrors.aliyun.com/kali sana main non-free contrib deb http://mirrors.aliyun.com/kali-security/ sana/updates main contrib non-free deb-src http://mirrors.aliyun.com/kali-security/ sana/updates main contrib non-free
3、执行apt-get update命令即可更新源执行apt-get upgrade更新软件