In the use of Yinhe Kirin system will be installed from time to time, yum command is the most convenient and fast command, but in the process of using the Failed to download metadata for repo ‘ks10-adv-os’ such an error how to solve it?

After several attempts, I finally succeeded in solving it, and the following is the specific solution.
Enter the yum source file directory
cd /etc/yum.repos.d
Back up the yum source files
cp kylin_aarch64.repo kylin_aarch64.repo.bak

Modify the contents of the source file
Enter the command: vim kylin_aarch64.repo
Delete the original code and copy the following code over

[ks10-adv-os]
name = Kylin Linux Advanced Server 10 - Os
baseurl = http://archive2.kylinos.cn/rpm/kylin/production/KY-KY10-GFB-aarch64/custom/kylin-server/KY10-GFB-aarch64/
#baseurl = http://update.cs2c.com.cn:8080/NS/V10/V10SP1/os/adv/lic/base/$basearch/
gpgcheck = 0
enabled = 1

[ks10-adv-updates]
name = Kylin Linux Advanced Server 10 - Updates
baseurl = http://update.cs2c.com.cn:8080/NS/V10/V10SP1/os/adv/lic/updates/$basearch/
gpgcheck = 0
enabled = 0

[ks10-adv-addons]
name = Kylin Linux Advanced Server 10 - Addons
baseurl = http://update.cs2c.com.cn:8080/NS/V10/V10SP1/os/adv/lic/addons/$basearch/
gpgcheck = 0
enabled = 0

Use the download command:
reposync -v –installroot /opt/aarch64/
After completion, you can see that the yum install program name can be downloaded normally, no error will be reported