刷Debian系统，教程https://yaaibk.com/post/332.html
1、更换系统软件源为国内源
打开WinSCP软件并登录，根据路径打开文件/etc/apt/sources.list
把里面的都删掉，下面的代码全部复制粘贴进去并保存
进入软件包源地址文件：nano /etc/apt/sources.list
删除sources.list中所有内容，输入以下更新源地址（全部复制粘贴写入sources.list文件，任选一个即可）：
阿里云（推荐）：
deb https://mirrors.aliyun.com/debian/ bullseye main non-free contrib deb-src https://mirrors.aliyun.com/debian/ bullseye main non-free contrib deb https://mirrors.aliyun.com/debian-security/ bullseye-security main deb-src https://mirrors.aliyun.com/debian-security/ bullseye-security main deb https://mirrors.aliyun.com/debian/ bullseye-updates main non-free contrib deb-src https://mirrors.aliyun.com/debian/ bullseye-updates main non-free contrib deb https://mirrors.aliyun.com/debian/ bullseye-backports main non-free contrib deb-src https://mirrors.aliyun.com/debian/ bullseye-backports main non-free contrib
中科大：
deb https://mirrors.ustc.edu.cn/debian/ bullseye main contrib non-free deb-src https://mirrors.ustc.edu.cn/debian/ bullseye main contrib non-free deb https://mirrors.ustc.edu.cn/debian/ bullseye-updates main contrib non-free deb-src https://mirrors.ustc.edu.cn/debian/ bullseye-updates main contrib non-free deb https://mirrors.ustc.edu.cn/debian/ bullseye-backports main contrib non-free deb-src https://mirrors.ustc.edu.cn/debian/ bullseye-backports main contrib non-free deb https://mirrors.ustc.edu.cn/debian-security/ bullseye-security main contrib non-free deb-src https://mirrors.ustc.edu.cn/debian-security/ bullseye-security main contrib non-free
清华镜像站：
deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye main contrib non-free deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye main contrib non-free deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye-updates main contrib non-free deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye-updates main contrib non-free deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye-backports main contrib non-free deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye-backports main contrib non-free deb https://mirrors.tuna.tsinghua.edu.cn/debian-security bullseye-security main contrib non-free deb-src https://mirrors.tuna.tsinghua.edu.cn/debian-security bullseye-security main contrib non-free
华为：
deb https://mirrors.huaweicloud.com/debian/ bullseye main non-free contrib deb-src https://mirrors.huaweicloud.com/debian/ bullseye main non-free contrib deb https://mirrors.huaweicloud.com/debian-security/ bullseye-security main deb-src https://mirrors.huaweicloud.com/debian-security/ bullseye-security main deb https://mirrors.huaweicloud.com/debian/ bullseye-updates main non-free contrib deb-src https://mirrors.huaweicloud.com/debian/ bullseye-updates main non-free contrib deb https://mirrors.huaweicloud.com/debian/ bullseye-backports main non-free contrib deb-src https://mirrors.huaweicloud.com/debian/ bullseye-backports main non-free contrib
网易：
deb https://mirrors.163.com/debian/ bullseye main non-free contrib deb-src https://mirrors.163.com/debian/ bullseye main non-free contrib deb https://mirrors.163.com/debian-security/ bullseye-security main deb-src https://mirrors.163.com/debian-security/ bullseye-security main deb https://mirrors.163.com/debian/ bullseye-updates main non-free contrib deb-src https://mirrors.163.com/debian/ bullseye-updates main non-free contrib deb https://mirrors.163.com/debian/ bullseye-backports main non-free contrib deb-src https://mirrors.163.com/debian/ bullseye-backports main non-free contrib
腾讯云：
deb https://mirrors.tencent.com/debian/ bullseye main non-free contrib deb-src https://mirrors.tencent.com/debian/ bullseye main non-free contrib deb https://mirrors.tencent.com/debian-security/ bullseye-security main deb-src https://mirrors.tencent.com/debian-security/ bullseye-security main deb https://mirrors.tencent.com/debian/ bullseye-updates main non-free contrib deb-src https://mirrors.tencent.com/debian/ bullseye-updates main non-free contrib deb https://mirrors.tencent.com/debian/ bullseye-backports main non-free contrib deb-src https://mirrors.tencent.com/debian/ bullseye-backports main non-free contrib
