diff --git a/src/pages/PaymentApproval.js b/src/pages/PaymentApproval.js
index 80ffc25..1afc126 100644
--- a/src/pages/PaymentApproval.js
+++ b/src/pages/PaymentApproval.js
@@ -1,22 +1,23 @@
 // PaymentApproval.js
 import { useEffect } from 'react';
-import { useSearchParams } from 'react-router-dom';
+import { useLocation } from 'react-router-dom';
 
 const PaymentApproval = () => {
+  const location = useLocation();
+
   useEffect(() => {
-    // 부모 창으로 메시지 전송
     if (window.opener) {
+      const currentUrl = `${window.location.origin}/api/v1/payments${location.pathname}${location.search}`;
       window.opener.postMessage(
         {
           type: 'KAKAO_PAYMENT_SUCCESS',
-          url: window.location.href
+          url: currentUrl
         },
-        '*'
+        window.location.origin
       );
-      // 팝업 창 닫기
       window.close();
     }
-  }, []);
+  }, [location]);
 
   return (
     <div className="payment-approval">
diff --git a/src/utils/paymentService.js b/src/utils/paymentService.js
index 36859c5..60fc4cd 100644
--- a/src/utils/paymentService.js
+++ b/src/utils/paymentService.js
@@ -77,27 +77,34 @@ export const handlePaymentApproval = async (orderNumber, pgToken) => {
   }
 
   try {
+    // URL 경로 수정
     const response = await payment_api.get(
-      `/kakao/approval`, {
+      '/kakao/approval', {
         params: {
           order_number: orderNumber,
           pg_token: pgToken
         },
         headers: {
-          'Authorization': `Bearer ${token}`
+          'Authorization': `Bearer ${token}`,
+          'Content-Type': 'application/json'
         }
       }
     );
 
-    return {
-      success: true,
-      data: response.data
-    };
+    // 성공 여부를 명확하게 확인
+    if (response.data) {
+      return {
+        success: true,
+        data: response.data
+      };
+    } else {
+      throw new Error('결제 승인에 실패했습니다.');
+    }
   } catch (error) {
     console.error('Payment approval error:', error);
     return {
       success: false,
-      error: error.message
+      error: error.message || '결제 승인 중 오류가 발생했습니다.'
     };
   }
 };