deb http://mirrors.cloud.aliyuncs.com//debian/ bookworm main contrib non-free non-free-firmware
deb-src http://mirrors.cloud.aliyuncs.com//debian/ bookworm main contrib non-free non-free-firmware

deb http://mirrors.cloud.aliyuncs.com//debian/ bookworm-updates main contrib non-free non-free-firmware
deb-src http://mirrors.cloud.aliyuncs.com//debian/ bookworm-updates main contrib non-free non-free-firmware

deb http://mirrors.cloud.aliyuncs.com//debian/ bookworm-backports main contrib non-free non-free-firmware
deb-src http://mirrors.cloud.aliyuncs.com//debian/ bookworm-backports main contrib non-free non-free-firmware

deb http://mirrors.cloud.aliyuncs.com//debian-security/ bookworm-security main contrib non-free non-free-firmware
deb-src http://mirrors.cloud.aliyuncs.com//debian-security/ bookworm-security main contrib non-free non-free-firmware