deb https://mirrors.aliyun.com/debian/ bookworm main non-free contrib
deb-src https://mirrors.aliyun.com/debian/ bookworm main non-free contrib
deb https://mirrors.aliyun.com/debian-security/ bookworm-security main
deb-src https://mirrors.aliyun.com/debian-security/ bookworm-security main
deb https://mirrors.aliyun.com/debian/ bookworm-updates main non-free contrib
deb-src https://mirrors.aliyun.com/debian/ bookworm-updates main non-free contrib
deb https://mirrors.aliyun.com/debian/ bookworm-backports main non-free contrib
deb-src https://mirrors.aliyun.com/debian/ bookworm-backports main non-free contrib