怎么老是显示成功呢！！

[php]<?php

$qq = "111111"; //qq号码

$pwd = "1111111"; //密码

$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, "http://211.139.167.71/waptest/TWF/qqportal/rela/updateuserinfo.jsp");

curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1); //这行是设定curl是否跟随header发送的location, 重要

curl_setopt($ch, CURLOPT_POST, 1);

curl_setopt($ch, "Connection", "Keep-Alive");

curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);

curl_setopt($ch, CURLOPT_POSTFIELDS, "qq=".$qq."&pwd=".$pwd."&FromWhere=register");

$return = curl_exec($ch);

curl_close($ch);

echo strstr($return, "postfield") ? "登录失败" : "登录成功";
?>[/php]