在網上找了很多方法都沒啥用,親測有效 You can remove cached packages by executing ‘yum clean packages‘. Error: GPG check FAILED 解決方案如下: dnf install qt5-qtwebkit-devel.x86_64 --nogpgcheck yum -y install mysql-community-server You can remove cached packages by executing ‘yum clean packages‘. Error: GPG check FAILED