public function actionCheckname(){
        $request = \Yii::$app->request;
        if ($request->getIsOptions()) {
            return $this->ResponseOptions($this->verbs()['checkname']);
        }
        $model = new BizRule(null);
        $mo =$model->find(Yii::$app->request->post()['BizRule']['name']);
        if($mo==null){
            return ['message'=>true];
        }else{
            return ['message'=>false];
        }

    }