discuz3.4搬家后QQ互联出错

discuz3.4搬家后QQ互联出错，搬家只换了空间，域名都正确，前台qq登陆返回页面错误，qq提示您已成功登陆网站，请教大神这个怎么解决？


网站提示：500 internal Server Error
Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator, webmaster@byu4509530001.my3w.com and inform them of the time the error occurred, and anything you might have done that may have caused the error.

More information about this error may be available in the server error log.

500 internal Server Error内部服务器出错在哪里？求指教

问题解决，是虚拟主机的php版本过低的原因，5.2改为5.5问题解决。