据AJAX只是读取服务器响应状态，并不会创建它，你应该阅读error.log中。作为有用的信息，你可以看看萤火虫用于发送数据。

As far as AJAX just reads server response status and doesn't create it, you should read for 'error.log'. As useful info you can look into firebug for sending data.