All mirror URLs are not using ftp, http[s] or file. Cannot find a valid baseurl for repo: base

All mirror URLs are not using ftp, http[s] or file. Cannot find a valid baseurl for repo: base 20201205 centos6 20201130 中止維護了 官方源已經沒有用了 鏡像源也確定沒用了 YUM報錯那是確定的！！！web 已加載插件：fastestmirror, refresh-package

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