_isover=20.04.1
ISONAME="$DISTRONAME ${_isover} amd64"
ISOURL="${_isover}/ubuntu-${_isover}-desktop-amd64.iso"
SHA256=b45165ed3cd437b9ffad02a2aad22a4ddc69162470e2622982889ce5826f6e3d

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