"centos-7 - Extras - 163.com" repositor are already installed but they art not correct for this pac

CentOs7修改CentOS6-Base-163.repo镜像源的配置文件时一定要把所有的6改为7

warning: /var/cache/yum/x86_64/7server/extras/packages/container-selinux-2.74-1.ely.noarch.rpm:Header V3 RSA/SHA256 Signature, key ID f4a80eb5: NOKEY Retrieving key from http://mirror.centos.org/centos/SRPM-GPG-KEY-CentOS-6

the gpg keys listed for the “centos-7 - Extras - 163.com” repositor are already installed but they art not correct for this package.
check that the correct key urls are configured for this repository

failing package is： 2：container-selinux-2.74-1.el7.noarch
gpg keys are configured as: http://mirror.centos.org/centos/rpm-gpg-key-centos-6

修改/etc/yum.repos.d/CentOS6-Base-163.repo 将这配置文件所有的6改为7问题解决