---
notion-id: b8b9e92a-0628-45c1-a048-4477967310b4
---
获得超级权限   sudo -i
1、备份原先镜像源
sudo cp /etc/apt/sources.list  /etc/apt/sources.list.backup
2、输入“`sudo vim /etc/apt/sources.list`”命令进入源地址文件
3、按“i”进入插入模式
4、选择一下任何一个源，复制快捷键ctrl+shift+V
```visual basic
#aliyun 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 

# ustc 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 

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

#浙大源
# 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
```
更新前把系统自带的更新源注释或者删除掉
5、Esc退出插入模式
6、输入`:wq`保存退出
7、输入 `apt update` 更新
8、输入`sudo apt full-upgrade -y`  升级系统