nano /etc/apt/sources.list
#Global Amazon CloudFront(IPv4&IPv6&CDN)
deb https://cdn-aws.deb.debian.org/debian/ buster main contrib non-free
deb-src https://cdn-aws.deb.debian.org/debian/ buster main contrib non-free
deb https://cdn-aws.deb.debian.org/debian/ buster-updates main contrib non-free
deb-src https://cdn-aws.deb.debian.org/debian/ buster-updates main contrib non-free
deb https://cdn-aws.deb.debian.org/debian/ buster-backports main contrib non-free
deb-src https://cdn-aws.deb.debian.org/debian/ buster-backports main contrib non-free
deb https://cdn-aws.deb.debian.org/debian-security/ buster/updates main contrib non-free
deb-src https://cdn-aws.deb.debian.org/debian-security/ buster/updates main contrib non-free
#Global Fastly(IPv4&IPv6&CDN)
deb https://cdn-fastly.deb.debian.org/debian/ buster main contrib non-free
deb-src https://cdn-fastly.deb.debian.org/debian/ buster main contrib non-free
deb https://cdn-fastly.deb.debian.org/debian/ buster-updates main contrib non-free
deb-src https://cdn-fastly.deb.debian.org/debian/ buster-updates main contrib non-free
deb https://cdn-fastly.deb.debian.org/debian/ buster-backports main contrib non-free
deb-src https://cdn-fastly.deb.debian.org/debian/ buster-backports main contrib non-free
deb https://cdn-fastly.deb.debian.org/debian-security/ buster/updates main contrib non-free
deb-src https://cdn-fastly.deb.debian.org/debian-security/ buster/updates main contrib non-free
#Global 阿里云(IPv4&CDN)
deb https://mirrors.aliyun.com/debian/ buster main contrib non-free
deb-src https://mirrors.aliyun.com/debian/ buster main contrib non-free
deb https://mirrors.aliyun.com/debian/ buster-updates main contrib non-free
deb-src https://mirrors.aliyun.com/debian/ buster-updates main contrib non-free
deb https://mirrors.aliyun.com/debian/ buster-backports main contrib non-free
deb-src https://mirrors.aliyun.com/debian/ buster-backports main contrib non-free
deb https://mirrors.aliyun.com/debian-security/ buster/updates main contrib non-free
deb-src https://mirrors.aliyun.com/debian-security/ buster/updates main contrib non-free
#中国大陆 中国科学技术大学(IPv4&IPv6)
deb https://mirrors.ustc.edu.cn/debian/ buster main contrib non-free
deb-src https://mirrors.ustc.edu.cn/debian/ buster main contrib non-free
deb https://mirrors.ustc.edu.cn/debian/ buster-updates main contrib non-free
deb-src https://mirrors.ustc.edu.cn/debian/ buster-updates main contrib non-free
deb https://mirrors.ustc.edu.cn/debian/ buster-backports main contrib non-free
deb-src https://mirrors.ustc.edu.cn/debian/ buster-backports main contrib non-free
deb https://mirrors.ustc.edu.cn/debian-security/ buster/updates main contrib non-free
deb-src https://mirrors.ustc.edu.cn/debian-security/ buster/updates main contrib non-free
#中国大陆 清华大学(IPv4&IPv6)
deb https://mirror.tuna.tsinghua.edu.cn/debian/ buster main contrib non-free
deb-src https://mirror.tuna.tsinghua.edu.cn/debian/ buster main contrib non-free
deb https://mirror.tuna.tsinghua.edu.cn/debian/ buster-updates main contrib non-free
deb-src https://mirror.tuna.tsinghua.edu.cn/debian/ buster-updates main contrib non-free
deb https://mirror.tuna.tsinghua.edu.cn/debian/ buster-backports main contrib non-free
deb-src https://mirror.tuna.tsinghua.edu.cn/debian/ buster-backports main contrib non-free
deb https://mirror.tuna.tsinghua.edu.cn/debian-security/ buster/updates main contrib non-free
deb-src https://mirror.tuna.tsinghua.edu.cn/debian-security/ buster/updates main contrib non-free
#中国大陆 腾讯云(IPv4&CDN)
deb https://mirrors.cloud.tencent.com/debian/ buster main contrib non-free
deb-src https://mirrors.cloud.tencent.com/debian/ buster main contrib non-free
deb https://mirrors.cloud.tencent.com/debian/ buster-updates main contrib non-free
deb-src https://mirrors.cloud.tencent.com/debian/ buster-updates main contrib non-free
deb https://mirrors.cloud.tencent.com/debian/ buster-backports main contrib non-free
deb-src https://mirrors.cloud.tencent.com/debian/ buster-backports main contrib non-free
deb https://mirrors.cloud.tencent.com/debian-security/ buster/updates main contrib non-free
deb-src https://mirrors.cloud.tencent.com/debian-security/ buster/updates main contrib non-free
#中国香港 xTom(IPv4&IPv6)
deb https://mirror.xtom.com.hk/debian/ buster main contrib non-free
deb-src https://mirror.xtom.com.hk/debian/ buster main contrib non-free
deb https://mirror.xtom.com.hk/debian/ buster-updates main contrib non-free
deb-src https://mirror.xtom.com.hk/debian/ buster-updates main contrib non-free
deb https://mirror.xtom.com.hk/debian/ buster-backports main contrib non-free
deb-src https://mirror.xtom.com.hk/debian/ buster-backports main contrib non-free
deb https://mirror.xtom.com.hk/debian-security/ buster/updates main contrib non-free
deb-src https://mirror.xtom.com.hk/debian-security/ buster/updates main contrib non-free
#韩国 NAVER(IPv4)
deb https://mirror.navercorp.com/debian/ buster main contrib non-free
deb-src https://mirror.navercorp.com/debian/ buster main contrib non-free
deb https://mirror.navercorp.com/debian/ buster-updates main contrib non-free
deb-src https://mirror.navercorp.com/debian/ buster-updates main contrib non-free
deb https://mirror.navercorp.com/debian/ buster-backports main contrib non-free
deb-src https://mirror.navercorp.com/debian/ buster-backports main contrib non-free
deb https://security.debian.org/debian-security/ buster/updates main contrib non-free
deb-src https://security.debian.org/debian-security/ buster/updates main contrib non-free
#日本 Cat Networks(IPv4&IPv6)
deb https://mirrors.cat.net/debian/ buster main contrib non-free
deb-src https://mirrors.cat.net/debian/ buster main contrib non-free
deb https://mirrors.cat.net/debian/ buster-updates main contrib non-free
deb-src https://mirrors.cat.net/debian/ buster-updates main contrib non-free
deb https://mirrors.cat.net/debian/ buster-backports main contrib non-free
deb-src https://mirrors.cat.net/debian/ buster-backports main contrib non-free
deb https://mirrors.cat.net/debian-security/ buster/updates main contrib non-free
deb-src https://mirrors.cat.net/debian-security/ buster/updates main contrib non-free
#俄罗斯 Yandex(IPv4&IPv6)
deb https://mirror.yandex.ru/debian/ buster main contrib non-free
deb-src https://mirror.yandex.ru/debian/ buster main contrib non-free
deb https://mirror.yandex.ru/debian/ buster-updates main contrib non-free
deb-src https://mirror.yandex.ru/debian/ buster-updates main contrib non-free
deb https://mirror.yandex.ru/debian/ buster-backports main contrib non-free
deb-src https://mirror.yandex.ru/debian/ buster-backports main contrib non-free
deb https://mirror.yandex.ru/debian-security/ buster/updates main contrib non-free
deb-src https://mirror.yandex.ru/debian-security/ buster/updates main contrib non-free
#法国 Université de Lorraine(IPv4&IPv6)
deb https://miroir.univ-lorraine.fr/debian/ buster main contrib non-free
deb-src https://miroir.univ-lorraine.fr/debian/ buster main contrib non-free
deb https://miroir.univ-lorraine.fr/debian/ buster-updates main contrib non-free
deb-src https://miroir.univ-lorraine.fr/debian/ buster-updates main contrib non-free
deb https://miroir.univ-lorraine.fr/debian/ buster-backports main contrib non-free
deb-src https://miroir.univ-lorraine.fr/debian/ buster-backports main contrib non-free
deb https://security.debian.org/debian-security/ buster/updates main contrib non-free
deb-src https://security.debian.org/debian-security/ buster/updates main contrib non-free
#德国 Leaseweb(IPv4&IPv6)
deb https://mirror.de.leaseweb.net/debian/ buster main contrib non-free
deb-src https://mirror.de.leaseweb.net/debian/ buster main contrib non-free
deb https://mirror.de.leaseweb.net/debian/ buster-updates main contrib non-free
deb-src https://mirror.de.leaseweb.net/debian/ buster-updates main contrib non-free
deb https://mirror.de.leaseweb.net/debian/ buster-backports main contrib non-free
deb-src https://mirror.de.leaseweb.net/debian/ buster-backports main contrib non-free
deb https://security.debian.org/debian-security/ buster/updates main contrib non-free
deb-src https://security.debian.org/debian-security/ buster/updates main contrib non-free
#荷兰 Leaseweb(IPv4&IPv6)
deb https://mirror.nl.leaseweb.net/debian/ buster main contrib non-free
deb-src https://mirror.nl.leaseweb.net/debian/ buster main contrib non-free
deb https://mirror.nl.leaseweb.net/debian/ buster-updates main contrib non-free
deb-src https://mirror.nl.leaseweb.net/debian/ buster-updates main contrib non-free
deb https://mirror.nl.leaseweb.net/debian/ buster-backports main contrib non-free
deb-src https://mirror.nl.leaseweb.net/debian/ buster-backports main contrib non-free
deb https://security.debian.org/debian-security/ buster/updates main contrib non-free
deb-src https://security.debian.org/debian-security/ buster/updates main contrib non-free
#美国 Leaseweb(IPv4&IPv6)
deb https://mirror.us.leaseweb.net/debian/ buster main contrib non-free
deb-src https://mirror.us.leaseweb.net/debian/ buster main contrib non-free
deb https://mirror.us.leaseweb.net/debian/ buster-updates main contrib non-free
deb-src https://mirror.us.leaseweb.net/debian/ buster-updates main contrib non-free
deb https://mirror.us.leaseweb.net/debian/ buster-backports main contrib non-free
deb-src https://mirror.us.leaseweb.net/debian/ buster-backports main contrib non-free
deb https://security.debian.org/debian-security/ buster/updates main contrib non-free
deb-src https://security.debian.org/debian-security/ buster/updates main contrib non-free