Cannot retrieve Metalink for Repository:epel error resolution

Install the Epel source under CentOS and update the Yum cache if you find such an error:
Error:cannot retrieve Metalink for Repository:epel. Verify its path and try again
This indicates the need to update the CA certificate, then only need to update the CA certificate, but at the same time you need to temporarily disable the Epel source and update on it, the command is as follows:

Yum--disablerepo=epel-y Update ca-certificates

Cannot retrieve Metalink for Repository:epel error resolution