centos7.8升级至openEuler22.03-LTS升级检查提示-ERROR -Abmormal exat,enor tepo sowrce ftp://IP/mountpont/openEuler22.03-lts-everything-x64 error

源系统:Centos7.8
目标系统:openEuler22.03-LTS
升级系统环境:内网环境,使用自建ftp yum源
[openeuler]
name=openeuler
baseurl=ftp://IP/mountpoint/openEuler22.03-lts-everything-x64
enabled=1
gpgcheck=0
gpgkey=ftp://IP/mountpoint/openEuler22.03-lts-everything-x64/RPM-GPG-KEY-openEuler

报错提示:-ERROR -Abmormal exat,enor tepo sowrce ftp://IP/mountpont/openEuler22.03-lts-everything-x64 error
尝试过更换yum软件包和yum源,但是还是未解决,麻烦哪位大佬帮忙看下哪里有问题呢