pacman安装软件包出现损坏

状况

File .pkg.tar.xz is corrupted (invalid or corrupted package (PGP signature)).Do you want to delete it? [Y/n]

更新已知的密钥

pacman-key --refresh-keys
pacman -S archlinux-keyring

参考资料：http://www.mamicode.com/info-detail-1674262.html