diff --git a/WebContent/jsp/onl/admin/rule/layoutManDetail.jsp b/WebContent/jsp/onl/admin/rule/layoutManDetail.jsp
index 8bcf3eb..4ab7166 100644
--- a/WebContent/jsp/onl/admin/rule/layoutManDetail.jsp
+++ b/WebContent/jsp/onl/admin/rule/layoutManDetail.jsp
@@ -375,10 +375,20 @@
                     url:url,
                     data:postData,
                     success:function(args){
-                        alert("<%=localeMessage.getString("common.saveMsg")%>");
                         if(isPop == "true"){
+                        	alert("<%=localeMessage.getString("common.saveMsg")%> \n저장 후 변환정보 수정이 필수입니다. 변환정보를 확인하세요");
+                            const origin = window.location.origin;
+
+                            const layoutName = $("input[name='loutName']").val();
+
+							parent.postMessage({
+								action: 'LAYOUT_SAVED_OPEN_TRANSFORM',
+					            layoutPartName: '${param.layoutPartName}'
+							}, origin);
+
                             window.close();
                         } else {
+                        	alert("<%=localeMessage.getString("common.saveMsg")%>");
                             goNav(returnUrl);
                         }
                     },
diff --git a/WebContent/jsp/onl/transaction/apim/apiInterfaceManDetail.jsp b/WebContent/jsp/onl/transaction/apim/apiInterfaceManDetail.jsp
index 4072679..7450ced 100644
--- a/WebContent/jsp/onl/transaction/apim/apiInterfaceManDetail.jsp
+++ b/WebContent/jsp/onl/transaction/apim/apiInterfaceManDetail.jsp
@@ -1153,27 +1153,41 @@
             addLayoutBtnEvent('outboundErrResponse', '아웃바운드 오류', 'TGTE');
 
             window.addEventListener('message', function(e) {
+                if (e.origin !== window.location.origin) return;
+
                 const popupMessage = e.data;
-                if('DELETE' == popupMessage.cmd){
-                    if('layout' == popupMessage.type){
-                        $('#'+popupMessage.layoutPartName).val('');
+                if (!popupMessage) return;
+
+                if ('DELETE' == popupMessage.cmd) {
+                    if ('layout' == popupMessage.type) {
+                        $('#' + popupMessage.layoutPartName).val('');
                     }
-                    if('transform' == popupMessage.type){
+                    if ('transform' == popupMessage.type) {
                         const partName = popupMessage.transformName.endsWith('REQ') ? '#requestTransform' : '#responseTransform';
                         $(partName).val('');
                     }
                     transformSetStateChange();
+                    return; 
                 }
-            });
 
-            $('#requestTransformButton').on("click", function(event) {
-                modifyTransform('request');
-            });
-            $('#responseTransformButton').on("click", function(event) {
-                modifyTransform('response');
-            });
-            $('#errResponseTransformButton').on("click", function(event) {
-                modifyTransform('errResponse');
+                // 레이아웃 저장 후 변환 팝업 자동 실행 로직
+                if (popupMessage.action === 'LAYOUT_SAVED_OPEN_TRANSFORM') {
+
+                    // 혹시 모를 popup창 닫기
+                    if ($('.ui-dialog-content').length > 0) {
+                        $('.ui-dialog-content').dialog('close');
+                    }
+
+                    const part = popupMessage.layoutPartName || "";
+                    
+                    if (part.includes('Request')) {
+                        modifyTransform('request'); 
+                    } else if (part.includes('Response')) {
+                        modifyTransform('response');
+                    } else if (part.includes('ErrResponse')) {
+                        modifyTransform('errResponse');
+                    }
+                }
             });
             // modifyLayout('inboundRequestLayout', '인바운드 요청', 'CBSS')