archlinux 更新软件包 invalid or corrupted package (PGP signature) 解决方案
sudo rm -R /etc/pacman.d/gnupg/
sudo pacman-key --init
sudo pacman-key --populate archlinux
sudo pacman-key --populate archlinuxcn
sudo rm -R /etc/pacman.d/gnupg/
sudo pacman-key --init
sudo pacman-key --populate archlinux
sudo pacman-key --populate archlinuxcn