Debian12的源：
# vim /etc/apt/sources.list
deb http://deb.debian.org/debian bookworm main contrib non-free non-free non-free-firmware
deb http://deb.debian.org/debian bookworm-updates main contrib non-free non-free non-free-firmware
deb http://security.debian.org/debian-security bookworm-security main contrib non-free non-free non-free-firmware