系统版本信息：

[root@localhost ~]# nkvers 
#################################  Kylin Linux Version   #################################
Release:  Kylin Linux Advanced Server release V10 (Azalea)
Kernel:   4.19.90-1.nk7_5.18.mips64el
Build:    Kylin Linux Advanced Server release V10/(Azalea)-mips64 Build04.10.04.lic/20200825
##########################################################################################

默认的YUM源配置如下：

[root@localhost ~]# cat /etc/yum.repos.d/neokylin.repo 
[ks10-adv-os]
name=Kylin Linux Advanced Server V10 - Os
baseurl=http://download.cs2c.com.cn/neokylin/server/releases/v10/ls_64/
gpgcheck=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-neokylin-release
enabled=1

[ks10-adv-os-extras]
name=Kylin Linux Advanced Server V10 - Addons
baseurl=http://download.cs2c.com.cn/neokylin/server/everything/v10/ls_64/
gpgcheck=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-neokylin-release
enabled=1

如果以上YUM源不可用，提示timeout或者404，尝试将baseurl替换为：

baseurl=https://update.cs2c.com.cn/NS/V7/V7B10/os/adv/lic/base/mips64el/