/**
  * Updates an existing SinaFreeze model.
  * If update is successful, the browser will be redirected to the 'view' page.
  * @param integer $id
  * @return mixed
  */
 public function actionUnlock($id)
 {
     $model = $this->findModel($id);
     $return = sinapay::balanceUnfreeze($model->out_freeze_no, $model->freeze_money, '解冻金额');
     if ($return['errorNum'] == 0) {
         \Yii::$app->getSession()->setFlash('warning', $return['errorMsg']);
         $info = new Info();
         $info->freeze -= $model->freeze_money;
         $info->balance += $model->freeze_money;
         $info->save();
     } else {
         \Yii::$app->getSession()->setFlash('warning', $return['errorMsg']);
     }
     return $this->redirect(['index']);
 }