前提简介：
老方法如下：
<VirtualHost *:80> ServerAdmin 136293658@qq.com DocumentRoot /www/wwwroot/liudong ServerName liudong.top </VirtualHost>
<VirtualHost *:80> ServerAdmin 136293658@qq.com DocumentRoot /www/wwwroot/liudong ServerName www.liudong.top </VirtualHost>
<VirtualHost *:80> ServerAdmin 136293658@qq.com DocumentRoot /www/wwwroot/liudong ServerName www.love.top </VirtualHost>
新方法如下：
<VirtualHost *:80> ServerAdmin 136293658@qq.com DocumentRoot /www/wwwroot/liudong ServerName liudong.top ServerAlias www.liudong.top www.love.top DirectoryIndex index.php </VirtualHost>
https://blog.csdn.net/weixin_33997389/article/details/85902877
原文：https://www.cnblogs.com/liuhaidon/p/11602040.html