Centos6.5 解决源无法使用问题

[root@localhost ~]# cd /etc/yum.repos.d/
[root@localhost yum.repos.d]# ll
total 16
-rw-r--r--. 1 root root 1926 Nov 27  2013 CentOS-Base.repo
-rw-r--r--. 1 root root  638 Nov 27  2013 CentOS-Debuginfo.repo
-rw-r--r--. 1 root root  630 Nov 27  2013 CentOS-Media.repo
-rw-r--r--. 1 root root 3664 Nov 27  2013 CentOS-Vault.repo
[root@localhost yum.repos.d]# cp CentOS-Base.repo CentOS-Base.repo_bak
[root@localhost yum.repos.d]# curl -o /etc/yum.repos.d/CentOS-Base.repo https://www.xmpan.com/Centos-6-Vault-Aliyun.repo
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
102  1749  102  1749    0     0   2356      0 --:--:-- --:--:-- --:--:-- 10863
[root@localhost yum.repos.d]# ll
total 20
-rw-r--r--. 1 root root 1749 Apr  8 19:28 CentOS-Base.repo
-rw-r--r--. 1 root root 1926 Apr  8 19:26 CentOS-Base.repo_bak
-rw-r--r--. 1 root root  638 Nov 27  2013 CentOS-Debuginfo.repo
-rw-r--r--. 1 root root  630 Nov 27  2013 CentOS-Media.repo
-rw-r--r--. 1 root root 3664 Nov 27  2013 CentOS-Vault.repo
[root@localhost yum.repos.d]# yum clean all && yum makecache
Loaded plugins: fastestmirror
Cleaning repos: base extras updates
Cleaning up Everything
Cleaning up list of fastest mirrors
Loaded plugins: fastestmirror
Determining fastest mirrors
base                                                                                                                | 3.7 kB     00:00     
base/group_gz                                                                                                       | 242 kB     00:00     
base/filelists_db                                                                                                   | 6.4 MB     00:08     
base/primary_db                                                                                                     | 4.7 MB     00:06     
base/other_db                                                                                                       | 2.8 MB     00:03     
extras                                                                                                              | 3.4 kB     00:00     
extras/filelists_db                                                                                                 |  24 kB     00:00     
extras/prestodelta                                                                                                  | 2.2 kB     00:00     
extras/primary_db                                                                                                   |  29 kB     00:00     
extras/other_db                                                                                                     |  14 kB     00:00     
updates                                                                                                             | 3.4 kB     00:00     
updates/filelists_db                                                                                                | 8.4 MB     00:13     
updates/prestodelta                                                                                                 | 357 kB     00:00     
updates/primary_db                                                                                                  |  12 MB     00:19     
updates/other_db                                                                                                    | 479 kB     00:00     
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