yii自定义错误页面

'errorHandler'=>array(
 // use 'site/error' action to display errors
 'errorAction'=>'admin/common/error',
 ),

<?php
/**
* 通用控制器
*/
class CommonController extends Controller
{
public function actionError()
 {
 if($error=Yii::app()->errorHandler->error)
 {
 if(Yii::app()->request->isAjaxRequest)
 echo$error['message'];
 else
 $this->render('error',$error);
 }
 }
}

<div id="mws-error-page">
 <h1>Error <span><?php echo $code; ?></span></h1>
 <h5><?php echo CHtml::encode($message); ?></h5>
</div>