diff --git a/framework/yii/web/Controller.php b/framework/yii/web/Controller.php
index 821a0fd..137b630 100644
--- a/framework/yii/web/Controller.php
+++ b/framework/yii/web/Controller.php
@@ -9,6 +9,7 @@ namespace yii\web;
 
 use Yii;
 use yii\base\InlineAction;
+use yii\helpers\Html;
 
 /**
  * Controller is the base class of Web controllers.
@@ -95,7 +96,7 @@ class Controller extends \yii\base\Controller
 	 * Redirects the browser to the specified URL.
 	 * This method is a shortcut to [[Response::redirect()]].
 	 *
-	 * @param array|string $url the URL to be redirected to. [[\yii\helpers\Html::url()]]
+	 * @param array|string $url the URL to be redirected to. [[Html::url()]]
 	 * will be used to normalize the URL. If the resulting URL is still a relative URL
 	 * (one without host info), the current request host info will be used.
 	 * @param integer $statusCode the HTTP status code. If null, it will use 302
@@ -106,7 +107,7 @@ class Controller extends \yii\base\Controller
 	 */
 	public function redirect($url, $statusCode = null)
 	{
-		return Yii::$app->getResponse()->redirect($url, $statusCode);
+		return Yii::$app->getResponse()->redirect(Html::url($url), $statusCode);
 	}
 
 	/**
diff --git a/framework/yii/web/Response.php b/framework/yii/web/Response.php
index c7855f6..a9190b5 100644
--- a/framework/yii/web/Response.php
+++ b/framework/yii/web/Response.php
@@ -563,9 +563,9 @@ class Response extends \yii\base\Response
 	 * return Yii::$app->getResponse()->redirect($url);
 	 * ~~~
 	 *
-	 * @param array|string $url the URL to be redirected to. [[\yii\helpers\Html::url()]]
-	 * will be used to normalize the URL. If the resulting URL is still a relative URL
-	 * (one without host info), the current request host info will be used.
+	 * @param string $url the URL to be redirected to. This can be a URL or an alias of the URL.
+	 * The URL can be either relative or absolute. If relative, the host info of the current request
+	 * will be prepend to the URL.
 	 * @param integer $statusCode the HTTP status code. If null, it will use 302
 	 * for normal requests, and [[ajaxRedirectCode]] for AJAX requests.
 	 * See [[http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html]]
@@ -574,7 +574,7 @@ class Response extends \yii\base\Response
 	 */
 	public function redirect($url, $statusCode = null)
 	{
-		$url = Html::url($url);
+		$url = Yii::getAlias($url);
 		if (strpos($url, '/') === 0 && strpos($url, '//') !== 0) {
 			$url = Yii::$app->getRequest()->getHostInfo() . $url;
 		}
diff --git a/framework/yii/web/User.php b/framework/yii/web/User.php
index e202e8e..0ad8f68 100644
--- a/framework/yii/web/User.php
+++ b/framework/yii/web/User.php
@@ -283,8 +283,7 @@ class User extends Component
 			$this->setReturnUrl($request->getUrl());
 		}
 		if ($this->loginUrl !== null) {
-			$response = Yii::$app->getResponse();
-			$response->redirect($this->loginUrl)->send();
+			Yii::$app->getResponse()->redirect($this->loginUrl)->send();
 			exit();
 		} else {
 			throw new HttpException(403, Yii::t('yii', 'Login Required'));