ftp上传wordpress之后临时域名显示服务器错误怎么回事

通过ftp上传wordpress之后，用临时域名安装wordpress显示服务器错误怎么回事？
错误提示如下：


Internal Server Error


The server encountered an internal error ormisconfiguration and was unable to completeyour request.
Please contact the server administrator, webmaster@qyu2468600001.my3w.com and inform them of the time the error occurred,and anything you might have done that may havecaused the error.
More information about this error may be availablein the server error log.