安装面板出现这个问题

想切换nginx，结果nginx一直安装不上。
然后重装了

CentOS 6 64bit

并全盘格式化以后，复制去安装一直不行。更改了服务器dns为114.114.114.114和8.8.8.8也不行。
求助。

[root@MyCloudServer ~]# yum install -y wget && wget -O install.sh http://download.bt.cn/install/install.sh && sh install.sh
Loaded plugins: fastestmirror
Determining fastest mirrors
YumRepo Error: All mirror URLs are not using ftp, http or file.
Eg. Invalid release/
removing mirrorlist with no valid mirrors: /var/cache/yum/base/mirrorlist.txt
Error: Cannot find a valid baseurl for repo: base

[root@MyCloudServer ~]# yum install -y wget && wget -O install.sh http://128.1.164.196:5880/install/install.sh && sh install.sh
Loaded plugins: fastestmirror
Determining fastest mirrors
YumRepo Error: All mirror URLs are not using ftp, http or file.
Eg. Invalid release/
removing mirrorlist with no valid mirrors: /var/cache/yum/base/mirrorlist.txt
Error: Cannot find a valid baseurl for repo: base