问题
近期华为云的源有一些不稳定，会出现404等问题导致很多应用无法正常安装。通常一些包无法安装时，我们都可以尝试更换源来尝试解决。
一键更换源命令
清华源(tsinghua)
cd /etc/apt
mv sources.list sources.list.bk &&
echo deb https://mirror.tuna.tsinghua.edu.cn/debian/ buster main contrib non-free > sources.list &&
echo deb https://mirror.tuna.tsinghua.edu.cn/debian/ buster-updates main contrib non-free >> sources.list &&
echo deb https://mirror.tuna.tsinghua.edu.cn/debian/ buster-backports main contrib non-free >> sources.list &&
echo deb https://mirror.tuna.tsinghua.edu.cn/debian-security/ buster/updates main contrib non-free >> sources.list &&
echo deb-src https://mirror.tuna.tsinghua.edu.cn/debian/ buster main contrib non-free >> sources.list &&
echo deb-src https://mirror.tuna.tsinghua.edu.cn/debian/ buster-updates main contrib non-free >> sources.list &&
echo deb-src https://mirror.tuna.tsinghua.edu.cn/debian/ buster-backports main contrib non-free >> sources.list &&
echo deb-src https://mirror.tuna.tsinghua.edu.cn/debian-security/ buster/updates main contrib non-free >> sources.list &&
apt update &&
echo "更换清华源成功！"
上海交大源
cd /etc/apt mv sources.list sources.list.bak && echo deb https://mirror.sjtu.edu.cn/debian/ buster main contrib non-free >> sources.list && echo deb https://mirror.sjtu.edu.cn/debian/ buster-updates main contrib non-free >> sources.list && echo deb https://mirror.sjtu.edu.cn/debian/ buster-backports main contrib non-free >> sources.list && echo deb https://mirror.sjtu.edu.cn/debian-security/ buster/updates main contrib non-free >> sources.list &&
echo deb-src https://mirror.sjtu.edu.cn/debian/ buster-updates main contrib non-free >> sources.list &&
echo deb-src https://mirror.sjtu.edu.cn/debian/ buster-backports main contrib non-free >> sources.list &&
echo deb-src https://mirror.sjtu.edu.cn/debian/ buster main contrib non-free >> sources.list &&
echo deb-src https://mirror.sjtu.edu.cn/debian-security/ buster/updates main contrib non-free >> sources.list &&
apt update &&
echo "更换上海交大源成功！"
中科大源
cd /etc/apt mv sources.list sources.list.bak && echo deb https://mirrors.ustc.edu.cn/debian/ buster main contrib non-free >> sources.list && echo deb https://mirrors.ustc.edu.cn/debian/ buster-updates main contrib non-free >> sources.list && echo deb https://mirrors.ustc.edu.cn/debian/ buster-backports main contrib non-free >> sources.list && echo deb https://mirrors.ustc.edu.cn/debian-security/ buster/updates main contrib non-free >> sources.list &&
echo deb-src https://mirrors.ustc.edu.cn/debian/ buster main contrib non-free >> sources.list &&
echo deb-src https://mirrors.ustc.edu.cn/debian/ buster-updates main contrib non-free >> sources.list &&
echo deb-src https://mirrors.ustc.edu.cn/debian/ buster-backports main contrib non-free >> sources.list &&
echo deb-src https://mirrors.ustc.edu.cn/debian-security/ buster/updates main contrib non-free >> sources.list &&
apt update &&
echo "更换中科大源成功！"
阿里源
cd /etc/apt mv sources.list sources.list.bak && echo deb http://mirrors.aliyun.com/debian/ buster main non-free contrib >> sources.list && echo deb http://mirrors.aliyun.com/debian-security buster/updates main >> sources.list && echo deb http://mirrors.aliyun.com/debian/ buster-updates main non-free contrib >> sources.list && echo deb http://mirrors.aliyun.com/debian/ buster-backports main non-free contrib >> sources.list &&
echo deb-src http://mirrors.aliyun.com/debian-security buster/updates main >> sources.list &&
echo deb-src http://mirrors.aliyun.com/debian/ buster main non-free contrib >> sources.list &&
echo deb-src http://mirrors.aliyun.com/debian/ buster-updates main non-free contrib >> sources.list &&
echo deb-src http://mirrors.aliyun.com/debian/ buster-backports main non-free contrib >> sources.list &&
apt update &&
echo "更换阿里源成功！"
腾讯云源
cd /etc/apt mv sources.list sources.list.bak && echo deb http://mirrors.cloud.tencent.com/debian/ buster main non-free contrib >> sources.list && echo deb http://mirrors.cloud.tencent.com/debian-security buster/updates main >> sources.list && echo deb http://mirrors.cloud.tencent.com/debian/ buster-updates main non-free contrib >> sources.list && echo deb http://mirrors.cloud.tencent.com/debian/ buster-backports main non-free contrib >> sources.list &&
echo deb-src http://mirrors.cloud.tencent.com/debian-security buster/updates main >> sources.list &&
echo deb-src http://mirrors.cloud.tencent.com/debian/ buster main non-free contrib >> sources.list &&
echo deb-src http://mirrors.cloud.tencent.com/debian/ buster-updates main non-free contrib >> sources.list &&
echo deb-src http://mirrors.cloud.tencent.com/debian/ buster-backports main non-free contrib >> sources.list &&
apt update &&
echo "更换腾讯云源成功！"
华为云源
cd /etc/apt mv sources.list sources.list.bak && echo deb https://mirrors.huaweicloud.com/debian/ buster main contrib non-free >> sources.list && echo deb https://mirrors.huaweicloud.com/debian/ buster-updates main contrib non-free >> sources.list && echo deb https://mirrors.huaweicloud.com/debian/ buster-backports main contrib non-free >> sources.list && echo deb https://mirrors.huaweicloud.com/debian-security/ buster/updates main contrib non-free >> sources.list &&
echo deb-src https://mirrors.huaweicloud.com/debian/ buster main contrib non-free >> sources.list &&
echo deb-src https://mirrors.huaweicloud.com/debian/ buster-updates main contrib non-free >> sources.list &&
echo deb-src https://mirrors.huaweicloud.com/debian/ buster-backports main contrib non-free >> sources.list &&
apt update &&
echo "更换华为云源成功！"
使用
复制上面任意一个源的命令，到AidLux中，打开命令行终端，粘贴上述任意一个源的更换命令，回车确认执行。
输入命令后，等待源更新完出，输出更新xxx源成功，即表明源已经更新成功了，再尝试安装其他包即可。
