错写一下错误：
ServerName takes one argument, The hostname and port of the server
解决方法：将ServerName修改为ServerAlias 。
NameVirtualHost *:80
<VirtualHost *:80>
ServerAlias www.domain.com domain.com
DocumentRoot "/var/www/domain.com"
</VirtualHost>
本文转自 IT阿飞 51CTO博客，原文链接:http://blog.51cto.com/itafei/1828150
