CentOS 7.8 升级至 openEuler 22.03-LTS 升级检查提示 - ERROR - 异常退出，错误的源 FTP://IP/挂载点/openEuler22.03-lts-everything-x64 错误

Migration 迁移
1

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

be49b767a8c459f650d2663f8e2d41e
be49b767a8c459f650d2663f8e2d41e1749×1076 278 KB

fee01a81b1e8d8fa093a2f9a64fd74e
fee01a81b1e8d8fa093a2f9a64fd74e1779×344 113 KB

b7597defb6fae228ca1e1dee753c639
b7597defb6fae228ca1e1dee753c6391919×590 117 KB

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