PhpSou搜索引擎系统全面开源免费发布，无需授权即可用于商业应用，同时我们将建立系统互动交流QQ群，论坛互动交流区，全面为系统提供后备支持。-PhpSou search engine system is fully free open source release, without authorization can be used in commercial applications, and we will establish a system of interaction QQ group, the forum interaction region, a comprehensive system to provide back-up support.