diff --git a/src/main/java/com/example/mymoo/domain/payment/controller/PaymentController.java b/src/main/java/com/example/mymoo/domain/payment/controller/PaymentController.java
index 297fad9..f849494 100644
--- a/src/main/java/com/example/mymoo/domain/payment/controller/PaymentController.java
+++ b/src/main/java/com/example/mymoo/domain/payment/controller/PaymentController.java
@@ -36,7 +36,7 @@ public ResponseEntity<PayResponseDTO> approve(
         //승인 처리 - 이 부분은 프론트에서 1차적으로 리다이렉트
         // 프론트에서 받은 결제 정보(pg_token)를 해당 api에 넘겨주면 서버에 반영됨
         return ResponseEntity.status(HttpStatus.ACCEPTED)
-                .body(paymentService.approve(pgToken, tid, userDetails.getAccountId()));
+                .body(paymentService.approve(tid, pgToken, userDetails.getAccountId()));
     }
 
     @GetMapping("cancel")
diff --git a/src/main/java/com/example/mymoo/domain/payment/service/Impl/PaymentServiceImpl.java b/src/main/java/com/example/mymoo/domain/payment/service/Impl/PaymentServiceImpl.java
index b663082..ecda134 100644
--- a/src/main/java/com/example/mymoo/domain/payment/service/Impl/PaymentServiceImpl.java
+++ b/src/main/java/com/example/mymoo/domain/payment/service/Impl/PaymentServiceImpl.java
@@ -39,7 +39,6 @@ public class PaymentServiceImpl implements PaymentService {
     @Value("${kakao.pay.partner-order-id}")
     private String partnerOrderId;
 
-    private String tid;
 
     public KakaoPayReadyResponse payReady(String name, Integer totalPrice, Long accountId){
         // Request header
@@ -69,14 +68,12 @@ public KakaoPayReadyResponse payReady(String name, Integer totalPrice, Long acco
                 entityMap,
                 KakaoPayReadyResponse.class
         );
-        this.tid = response.getBody().getTid();
-        // 주문번호와 TID를 매핑해서 저장해놓는다.
         // Mapping TID with partner_order_id then save it to use for approval request.
         return response.getBody();
     }
 
     @Transactional
-    public PayResponseDTO approve(String pgToken, String tida, Long accountId){
+    public PayResponseDTO approve(String tid, String pgToken, Long accountId){
         // ready할 때 저장해놓은 TID로 승인 요청
         // Call “Execute approved payment” API by pg_token, TID mapping to the current payment transaction and other parameters.
         HttpHeaders headers = new HttpHeaders();
diff --git a/src/main/java/com/example/mymoo/domain/payment/service/PaymentService.java b/src/main/java/com/example/mymoo/domain/payment/service/PaymentService.java
index b5eca17..9ca3adb 100644
--- a/src/main/java/com/example/mymoo/domain/payment/service/PaymentService.java
+++ b/src/main/java/com/example/mymoo/domain/payment/service/PaymentService.java
@@ -5,5 +5,5 @@
 
 public interface PaymentService {
     KakaoPayReadyResponse payReady(String name, Integer totalPrice, Long accountId);
-    PayResponseDTO approve(String pgToken, String tid, Long accountId);
+    PayResponseDTO approve(String tid, String pgToken, Long accountId);
 }