配置源
打开/etc/pacman.conf,在末尾加上
[archlinuxcn]
SigLevel = Optional TrustAll
Server = https://mirrors.ustc.edu.cn/archlinuxcn/$arch
//或者使用清华的镜像源
[archlinuxcn]
SigLevel = Optional TrustAll
Server = https://mirrors.tuna.tsinghua.edu.cn/archlinuxcn/$arch[archlinuxcn]