_isover=16.04.7
ISONAME="$DISTRONAME ${_isover} amd64"
ISOURL="${_isover}/ubuntu-${_isover}-desktop-amd64.iso"
SHA256=8ba7e2687fb8a2152504475e92e489aace543059fd4ba7ffe10111c42394853b

mirrorlist=(
https://mirrors.tuna.tsinghua.edu.cn/ubuntu-releases
http://releases.ubuntu.com
http://mirrors.ustc.edu.cn/ubuntu-releases
)