Как использовать расширение xupload yii

I want to use upload multiple with xupload extension,
but didn't work my code?

эта конфигурация

config.php
'aliases' => array( //Если вы использовали composer, ваш путь должен быть 'xupload' => 'ext.vendor.Asgaroth.xupload', //Если вы вручную установил его 'xupload' => 'ext.xupload', ),

     and  the Widget in views 
    <?php   $this->widget('xupload.XUpload', array(
                        'url' => Yii::app()->createUrl("site/upload"),
                        'model' => $model,
                        'attribute' => 'file',
                        'multiple' => true,
    ));  ?>
     and controller
    class SiteController extends CController
    {
        public function actions()
        {
            return array(
                'upload'=>array(
                    'class'=>'xupload.actions.XUploadAction',
                    'path' =>Yii::app() -> getBasePath() . "/../uploads",
                    'publicPath' => Yii::app() -> getBaseUrl() . "/uploads",
                ),
            );
        }
    }

and this view my application  

but don't work, please help to solve my problem,
thanks ?

этот пример: http://blueimp.github.io/jQuery-File-Upload/