cp /etc/pacman.d/mirrorlist /etc/pacman.d/mirrorlist.backup
grep -i "## China" -A 1 /etc/pacman.d/mirrorlist.backup | grep -v -e "--" > /etc/pacman.d/mirrorlist
pacman -Sy && pacman -S --noconfirm pacman-contrib
curl -s "https://www.archlinux.org/mirrorlist/?country=CN&protocol=http&protocol=https&ip_version=4&use_mirror_status=on" | sed -e 's/^#Server/Server/' -e '/^#/d' | rankmirrors -n 5 - > /etc/pacman.d/mirrorlist
wget "arch.bwsl.wang/archfi"
chmod +x archfi
./archfi