diff --git a/extdbms/lib/Controllers/DBMS/Client/CouponController.php b/extdbms/lib/Controllers/DBMS/Client/CouponController.php
index 522fb85..5e6c869 100644
--- a/extdbms/lib/Controllers/DBMS/Client/CouponController.php
+++ b/extdbms/lib/Controllers/DBMS/Client/CouponController.php
@@ -160,11 +160,10 @@ class CouponController extends ClientController
             // $history_query = "INSERT INTO `historydb` (`service_code`, `server_code`, `behavior_case`, `behavior`, `behavior_date`, `note`, `client_name`) VALUES ('$_GET[service_code]', '$service[server_code]', '도메인 쿠폰 구매 / $_GET[onetime_sub] 개', '도메인 쿠폰 구매', '$_GET[onetime_request_date]', '$member[name]', '$service[Client_Name]')";
             // @mysql_query($history_query, $db_connect) or die($db_i_error);
             $this->getServiceService()->getModel()->commit();
-            return $this->render(__FUNCTION__);
+            return $this->redirect->back()->with('success', ['message' => '쿠폰 사용이 완료되었습니다.']);
         } catch (\PDOException $e) {
             $this->getServiceService()->getModel()->rollback();
-            echo $e->getMessage();
-            return $this->redirect->back()->withInput()->with('error', ['message' => '쿠폰 사용에 실패하였습니다.']);
+            return $this->redirect->back()->withInput()->with('error', ['message' => '쿠폰 사용에 실패하였습니다.:' . $e->getMessage()]);
         }
     }
 } //Class