diff --git a/PaymentBridge.cs b/PaymentBridge.cs
index 6f147ab..780e7b8 100644
--- a/PaymentBridge.cs
+++ b/PaymentBridge.cs
@@ -269,13 +269,26 @@ namespace PaymentBridge
                 Thread.Sleep(500);
                 string retCode = GetRetData(2);
                 string retMsg = GetRetData(3);
+                string approvalDatetime = GetRetData(4);
+                string cardNo = GetRetData(5);
                 string approvalNo = GetRetData(6);
+                string retAmount = GetRetData(7);
+                string merchantNo = GetRetData(8);
+                string cardCompany = GetRetData(9);
+                string acquirerName = GetRetData(10);
                 
                 return json.Serialize(new {
                     ok = retCode == "0000",
                     code = retCode,
                     message = retMsg,
                     approvalNo = approvalNo,
+                    approval_no = approvalNo,
+                    card_company = cardCompany,
+                    acquirer_name = acquirerName,
+                    approval_datetime = approvalDatetime,
+                    card_no = cardNo,
+                    merchant_no = merchantNo,
+                    ret_amount = retAmount,
                     cmd = cmd
                 });
             }
diff --git a/PaymentBridge.exe b/PaymentBridge.exe
index 5325a0e..9db5958 100644
Binary files a/PaymentBridge.exe and b/PaymentBridge.exe differ
diff --git a/payment_bridge.log b/payment_bridge.log
index 2725cac..2b7bd4c 100644
--- a/payment_bridge.log
+++ b/payment_bridge.log
@@ -43,3 +43,15 @@
 2026-03-27 22:56:58 GW Port found: 65238
 2026-03-27 22:56:58 DLL Connect: OK
 2026-03-27 22:56:58 HTTP Server started on port 7779
+2026-03-27 23:10:16 GW Port found: 65238
+2026-03-27 23:10:16 DLL Connect: OK
+2026-03-27 23:10:16 HTTP Server started on port 7779
+2026-03-27 23:21:21 GW Port found: 65238
+2026-03-27 23:21:21 DLL Connect: OK
+2026-03-27 23:21:21 HTTP Server started on port 7779
+2026-03-27 23:21:36 GW Port found: 65238
+2026-03-27 23:21:36 DLL Connect: OK
+2026-03-27 23:21:36 HTTP Server error: 컴퓨터의 기존 등록과 충돌하므로 접두사 'http://127.0.0.1:7779/'에서 수신 대기하지 못했습니다.
+2026-03-27 23:21:44 GW Port found: 65238
+2026-03-27 23:21:45 DLL Connect: OK
+2026-03-27 23:21:45 HTTP Server started on port 7779