echo "升级前更新系统"
apt update
apt upgrade -y
apt full-upgrade -y
apt autoclean
apt autoremove -y
echo "替换源"
sed -i "s/bookworm/trixie/g" /etc/apt/sources.list /etc/apt/sources.list.d/*.{list,sources} 2>/dev/null
echo "更新"
apt update
apt upgrade -y
apt full-upgrade -y
echo "更新后准备"
apt autoclean
apt autoremove -y