yokankicentos7 部署宝塔,提示“Cannot find a valid baseurl for repo: base/7/x86_64” 中发帖

机子是oracle的,执行yum install -y wget && wget -O install.sh https://download.bt.cn/install/install_6.0.sh && sh install.sh ed8484bec 
,提示:Cannot find a valid baseurl for repo: base/7/x86_64,有没有大佬帮忙看看