备份文件/etc/yum.repos.d/openEuler.repo，并将文件替换为以下内容：

[OS]
name=OS
baseurl=https://mirrors.aliyun.com/openeuler/openEuler-22.03-LTS-SP2/OS/$basearch/
enabled=1
gpgcheck=1
gpgkey=https://mirrors.aliyun.com/openeuler/openEuler-22.03-LTS-SP2/OS/$basearch/RPM-GPG-KEY-openEuler

[everything]
name=everything
baseurl=https://mirrors.aliyun.com/openeuler/openEuler-22.03-LTS-SP2/everything/$basearch/
enabled=1
gpgcheck=1
gpgkey=https://mirrors.aliyun.com/openeuler/openEuler-22.03-LTS-SP2/everything/$basearch/RPM-GPG-KEY-openEuler

[EPOL]
name=EPOL
baseurl=https://mirrors.aliyun.com/openeuler/openEuler-22.03-LTS-SP2/EPOL/main/$basearch/
enabled=1
gpgcheck=1
gpgkey=https://mirrors.aliyun.com/openeuler/openEuler-22.03-LTS-SP2/OS/$basearch/RPM-GPG-KEY-openEuler

[debuginfo]
name=debuginfo
baseurl=https://mirrors.aliyun.com/openeuler/openEuler-22.03-LTS-SP2/debuginfo/$basearch/
enabled=1
gpgcheck=1
gpgkey=https://mirrors.aliyun.com/openeuler/openEuler-22.03-LTS-SP2/debuginfo/$basearch/RPM-GPG-KEY-openEuler

[source]
name=source
baseurl=https://mirrors.aliyun.com/openeuler/openEuler-22.03-LTS-SP2/source/
enabled=1
gpgcheck=1
gpgkey=https://mirrors.aliyun.com/openeuler/openEuler-22.03-LTS-SP2/source/RPM-GPG-KEY-openEuler

[update]
name=update
baseurl=https://mirrors.aliyun.com/openeuler/openEuler-22.03-LTS-SP2/update/$basearch/
enabled=1
gpgcheck=1
gpgkey=https://mirrors.aliyun.com/openeuler/openEuler-22.03-LTS-SP2/OS/$basearch/RPM-GPG-KEY-openEuler

[update-source]
name=update-source
baseurl=https://mirrors.aliyun.com/openeuler/openEuler-22.03-LTS-SP2/update/source/
enabled=1
gpgcheck=1
gpgkey=https://mirrors.aliyun.com/openeuler/openEuler-22.03-LTS-SP2/source/RPM-GPG-KEY-openEuler

执行：

sudo dnf clean all
sudo dnf makecache