传参出错注意数据库连接问题

\shuipf\Common\Common/common.php
function service($name, $params = array()) {
return \Libs\System\Service::getInstance($name, $params);
}

\shuipf\Libs\System\Service.class.php   /*取得Service 服务*/ static function getInstance
\shuipf\Libs\Driver\Passport\Ucenter.class.php
/*会员登录*/
public function loginLocal($identifier, $password = null, $is_remember_me = 3600) {
//debug('Ucenter');
$db = D("Member/Member");
//检查登陆方式
if (is_int($identifier)) {
$isuid = 1;
} else {
$isuid = 0;
}
/*if(function_exists('uc_user_login')){
echo 'exists';
}else{
echo 'inexistence';
}
exit;*/
$user = uc_user_login($identifier, $password, $isuid);
//debug($user);

. . .
}

\shuipf\Libs\Driver\Passport\Local.class.php /*会员登录*/ public function loginLocal
\shuipf\Libs\Service\Passport.class.php
/*会员登录*/
public function loginLocal($identifier, $password = null, $is_remember_me = 3600) {
return false;
}

\api\uc_client\client.php

function uc_user_login($username, $password, $isuid = 0, $checkques = 0, $questionid = '', $answer = '') {
$isuid = intval($isuid);
$return = call_user_func(UC_API_FUNC, 'user', 'login', array('username'=>$username, 'password'=>$password, 'isuid'=>$isuid, 'checkques'=>$checkques, 'questionid'=>$questionid, 'answer'=>$answer));
//print_r($return);
return UC_CONNECT == 'mysql' ? $return : uc_unserialize($return);
}

\uccenter\data\config.inc.php        ucenter 的数据库配置