private function unBind($id)
 {
     $model = AccessDeviceInfo::findOne($id);
     if (!$model) {
         return false;
     }
     $bindId = $model->bindId;
     $url = $this->getApiUrl('/res/access/ipMacBind');
     $url .= '/' . $bindId;
     $client = (new RestfulClient('http_imc'))->request('DELETE', $url);
     if ($client->getHttpCode() == 204) {
         AccessDeviceInfo::updateAll(['status' => 0, "bindId" => 0], ["id" => $id]);
     }
     return $client->getHttpCode() == 204;
 }
 /**
  * Finds the AccessDeviceInfo model based on its primary key value.
  * If the model is not found, a 404 HTTP exception will be thrown.
  * @param integer $id
  * @return AccessDeviceInfo the loaded model
  * @throws NotFoundHttpException if the model cannot be found
  */
 protected function findModel($id)
 {
     if (($model = AccessDeviceInfo::findOne($id)) !== null) {
         return $model;
     } else {
         throw new NotFoundHttpException('The requested page does not exist.');
     }
 }