CakePHP身份验证-Can'；t使用表单登录

我使用email\u地址作为简单登录的用户名

public $components = array(
                'DebugKit.Toolbar', 
                'Session',
                'Auth' => array(
                    'loginRedirect' => array('controller' => 'pages', 'action' => 'index'),
                    'logoutRedirect' => array('controller' => 'pages', 'action' => 'display', 'home'),
                    'loginAction' => array(
                                'controller' => 'users',
                                'action' => 'signin',
                            ),
                    'authenticate' => array(
                                'Form' => array(
                                    'fields' => array('username' => 'email_address')
                                )
                            )
                ),
            );

我已经明确告诉cake使用电子邮件地址作为用户名

public function signin(){
        if(! $this->Auth->user()){

            if ($this->request->is('post')) {
                if ($this->Auth->login()) {
                    return $this->redirect($this->Auth->redirectUrl());
                } else {
                    $this->Session->setFlash(__('Username or password is incorrect'));
                }
            }
        }else{
            $this->redirect($this->Auth->redirectUrl());
        }
    }

我已经确认我的帖子数据是通过表单发送的

<form action="" method="post" class="form-inputs">
        <fieldset>
            <legend>Existing Customers</legend>
            <p>Sign in to continue</p>
            <ul class="form short">
                <li>
                    <label for="username">Email</label>
                    <input type="email" name="username" id="username">
                </li>
                <li>
                    <label for="password">Password</label>
                    <input type="password" name="password" id="password">
                </li>
                <li class="no-label checkbox">
                    <input type="checkbox" name="remember_me" id="remember_me">
                    <label for="remember_me">Remember me</label>
                </li>
                <li class="no-label">
                    <input type="submit" value="Sign In">
                    <a href="/">Forgotten your password?</a>
                </li>
            </ul>
        </fieldset>
    </form>

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看不出我哪里出了问题，有什么想法吗？

看不出我哪里出了问题

您没有使用表单帮助程序。对，您是，愚蠢的错误-输入的名称错误（数据[用户][电子邮件地址]）

public function beforeSave($options = array()) {
        if (isset($this->data['User']['password'])) {
            $this->data['User']['password'] = AuthComponent::password($this->data['User']['password']);
        }
        return true;
    }