一、Kali系统更新源

1. 在终端下使用编辑器打开系统源文本

   leafpad /etc/apt/sources.list
   

   
2. 将清华大学源填写进去，保存即可

   #清华大学
   deb http://mirrors.tuna.tsinghua.edu.cn/kali kali-rolling maincontrib non-free
   deb-src https://mirrors.tuna.tsinghua.edu.cn/kali kali-rolling main contrib non-free
   

   
   其他国内的更新源：
   `bash
   #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
复制保存一个即可

3. 使用更新命令
```bash
apt-get update && apt-get upgrade && apt-get dist-upgrade

选择“Y”确定以及回车执行，在更新过程中可能存在“：”这时候，使用Q键退出，然后继续更新即可