卸载老的vim

yum remove vim-* -y

下载第三方yum源

wget -P /etc/yum.repos.d/ https://copr.fedorainfracloud.org/coprs/lbiaggi/vim80-ligatures/repo/epel-7/lbiaggi-vim80-ligatures-epel-7.repo

install vim

yum install vim-enhanced sudo -y

验证vim版本

rpm -qa |grep vim