Debian早期版本更换 阿里源：
sed -i "s@http://\(deb\|security\).debian.org@https://mirrors.aliyun.com@g" /etc/apt/sources.list

Debian 12更换清华源
sed -i 's@deb.debian.org@mirrors.tuna.tsinghua.edu.cn@g' /etc/apt/sources.list.d/debian.sources sed -i 's@security.debian.org@mirrors.tuna.tsinghua.edu.cn/debian-security@g' /etc/apt/sources.list.d/debian.sources