wdcp无法安装，跪求大神指导

echo "nameserver 8.8.8.8" > /etc/resolv.conf && /etc/init.d/network restart

反馈信息如下：
[root@iZ25bn5jpp2Z /]# wgetdown.wdlinux.cn/in/lanmp_wdcp_ins.sh
--2014-09-26 14:08:40-- down.wdlinux.cn/in/lanmp_wdcp_ins .sh
Resolving down.wdlinux. cn... failed: Name or service not known.
wget: unable to resolve host address ?.own.wdlinux.cn?
[root@iZ25bn5jpp2Z /]# wget http  ://dl.wdlinux.cn:5180/lanmp_laster.tar.gz
--2014-09-26 14:09:16--  dl.wdlinux.cn:5180/lanmp_laster.tar.g z
Resolving dl.wdlinux. cn... failed: Name or service not known.
wget: unable to resolve host address ?.l.wdlinux.?
[root@iZ25bn5jpp2Z /]#