可以添加以下两个地址:
[openEuler-EPOL]
name=openEuler-epol
baseurl=http://repo.huaweicloud.com/openeuler/openEuler-20.03-LTS-SP1/EPOL/x86_64/
enabled=1
gpgcheck=0
[openEuler-update]
name=openEuler-update
baseurl=http://repo.huaweicloud.com/openeuler/openEuler-20.03-LTS-SP1/update/x86_64/
enabled=1
gpgcheck=0