diff --git a/WebContent/jsp/onl/apim/apigroup/apiGroupManDetail.jsp b/WebContent/jsp/onl/apim/apigroup/apiGroupManDetail.jsp
index 7bd7487..52c55bb 100644
--- a/WebContent/jsp/onl/apim/apigroup/apiGroupManDetail.jsp
+++ b/WebContent/jsp/onl/apim/apigroup/apiGroupManDetail.jsp
@@ -415,6 +415,12 @@
                         <input type="text" name="groupName" data-required data-warning="API 그룹 명을 입력하여 주십시오.">
                     </td>
                 </tr>
+                <tr>
+                    <th style="width:150px;">그룹 설명</th>
+                    <td colspan="7">
+                        <input type="text" name="groupDesc">
+                    </td>
+                </tr>
                 <tr>
                     <th style="width:150px;">공개 여부</th>
                     <td style="width:100px;">
@@ -461,14 +467,6 @@
                         <img id="mainIconPreview" src="#" alt="Main Icon Preview" style="display:none;height:20px">
                     </td>
                 </tr>
-
-
-                <%--<tr>
-                    <th>컨텐츠 내용</th>
-                    <td colspan="5">
-                        <textarea name="contentDetail" id="contentDetail" rows="10" cols="50"></textarea>
-                    </td>
-                </tr>--%>
             </table>
             <div style="margin-top:15px;">
                 <div style="display: flex; align-items: center; justify-content: space-between; margin-bottom: 5px ">
diff --git a/WebContent/jsp/onl/transaction/apim/apiInterfaceManDetail.jsp b/WebContent/jsp/onl/transaction/apim/apiInterfaceManDetail.jsp
index 29e16da..789168f 100644
--- a/WebContent/jsp/onl/transaction/apim/apiInterfaceManDetail.jsp
+++ b/WebContent/jsp/onl/transaction/apim/apiInterfaceManDetail.jsp
@@ -81,6 +81,19 @@
 		/* iframe 모달(showModal) 콘텐츠 패딩 제거 — iframe 이 다이얼로그 폭을 최대한 사용해 내부 가로스크롤 방지 */
 		.ui-dialog .ui-dialog-content { padding: 0 !important; }
 
+		/* OpenAPI Spec 버튼 상태 색상 (PTL_API_SPEC_INFO 기준) */
+		#btn_openapi_spec.spec-exists { background:#ffe08a !important; border-color:#f0c040 !important; color:#5a4600 !important; }
+		#btn_openapi_spec.spec-public { background:#b8e6a0 !important; border-color:#7cc257 !important; color:#2c4a15 !important; }
+		/* 호버 상태 안내 레이어 */
+		#specStatusLayer {
+			position: fixed; z-index: 100000; display: none;
+			background: rgba(30,30,30,0.92); color: #fff;
+			padding: 8px 12px; border-radius: 6px;
+			font-size: 12px; line-height: 1.6; max-width: 340px;
+			white-space: pre-line; pointer-events: none;
+			box-shadow: 0 2px 8px rgba(0,0,0,0.3);
+		}
+
     </style>
     <script language="javascript" >
         var isDetail = false;
@@ -88,6 +101,7 @@
         const url_excel  ='<c:url value="/onl/transaction/apim/apiInterfaceMan.excel" />';
         var url_spec = '<c:url value="/onl/transaction/apim/apiSpecMan.view"/>';
         var url_openapi_spec = '<c:url value="/onl/transaction/apim/djbApiSpecMan.view"/>';
+        var url_openapi_spec_json = '<c:url value="/onl/transaction/apim/djbApiSpecMan.json"/>';
         var returnUrl ;
         let headerValues = [];
         let headerNames = [];
@@ -540,6 +554,8 @@
 
                     $('#inboundHttpMethod').trigger('change');
                     $('#outboundHttpMethod').trigger('change');
+
+                    applyOpenApiSpecStatus();   // OpenAPI Spec 버튼 색상(PTL_API_SPEC_INFO)
                 },
                 error:function(e){
                     alert(e.responseText);
@@ -1020,10 +1036,41 @@
                 var vw = $(window).width(), vh = $(window).height();
                 var modalW = Math.min(vw - 12, 1720);
                 var modalH = Math.min(vh - 20, 900);
-                showModal(baseUrl, { title: 'OpenAPI Spec' }, modalW, modalH);
+                // 스펙 편집 모달 닫힘 시 버튼 색상 재조회(공개여부/등록여부 변경 반영)
+                showModal(baseUrl, { title: 'OpenAPI Spec' }, modalW, modalH, function(){ applyOpenApiSpecStatus(); });
             }
         }
 
+        // OpenAPI Spec 버튼 색상 = PTL_API_SPEC_INFO(api_id = getFullSvcName()) 상태.
+        //  - 미등록: 기본색      - 등록·비공개(display_yn≠Y): 노랑   - 등록·공개(display_yn=Y): 하늘
+        function applyOpenApiSpecStatus() {
+            var $btn = $('#btn_openapi_spec');
+            $btn.removeClass('spec-exists spec-public').data('specMsg', '');
+            var eaiSvcName = getFullSvcName();
+            if (!eaiSvcName || eaiSvcName.length < 2) return;
+            $.ajax({
+                type: 'POST',
+                url: url_openapi_spec_json,
+                dataType: 'json',
+                data: { cmd: 'SPEC_STATUS', eaiSvcName: eaiSvcName },
+                success: function(res) {
+                    var exists   = res && (res.exists === true || res.exists === 'true');
+                    var isPublic = res && (res.displayYn === 'Y');
+                    var msg;
+                    if (!exists) {
+                        msg = 'OpenAPI Spec 미등록\n버튼을 눌러 스펙을 생성/편집하세요.';
+                    } else if (isPublic) {
+                        $btn.addClass('spec-public');
+                        msg = 'OpenAPI Spec 등록됨 · 포탈 공개중 (display_yn = Y)\n포탈 메인/문서에 노출됩니다.';
+                    } else {
+                        $btn.addClass('spec-exists');
+                        msg = 'OpenAPI Spec 등록됨 · 비공개 (display_yn ≠ Y)\n포탈에는 노출되지 않습니다.';
+                    }
+                    $btn.data('specMsg', msg);
+                }
+            });
+        }
+
         $(document).ready(function() {
             makeValidate();
             // var bootstrapButton = $.fn.button.noConflict()
@@ -1047,6 +1094,23 @@
                 showOpenApiSpecPopup(e);
             });
 
+            // OpenAPI Spec 버튼 호버 시 현재 상태 안내 레이어
+            if ($('#specStatusLayer').length === 0) {
+                $('body').append('<div id="specStatusLayer"></div>');
+            }
+            $("#btn_openapi_spec")
+                .on('mouseenter', function() {
+                    var msg = $(this).data('specMsg');
+                    if (!msg) return;
+                    $('#specStatusLayer').text(msg).css('display', 'block');
+                })
+                .on('mousemove', function(e) {
+                    $('#specStatusLayer').css({ left: (e.clientX + 14) + 'px', top: (e.clientY + 16) + 'px' });
+                })
+                .on('mouseleave', function() {
+                    $('#specStatusLayer').hide();
+                });
+
             $("#btn_modify").click(modifyApi);
             $("#btn_delete").click(function(){
             	if(!confirm("삭제하시겠습니까?")){
diff --git a/src/main/java/com/eactive/eai/rms/onl/apim/apigroup/ApiGroupManService.java b/src/main/java/com/eactive/eai/rms/onl/apim/apigroup/ApiGroupManService.java
index bbcf73c..035017e 100644
--- a/src/main/java/com/eactive/eai/rms/onl/apim/apigroup/ApiGroupManService.java
+++ b/src/main/java/com/eactive/eai/rms/onl/apim/apigroup/ApiGroupManService.java
@@ -10,6 +10,7 @@ import com.eactive.eai.rms.onl.apim.apigroup.mapping.ApiGroupUIMapper;
 import com.eactive.eai.rms.onl.apim.apigroup.ui.ApiGroupUI;
 import com.eactive.eai.rms.onl.apim.apigroup.ui.ApiGroupUISearch;
 import com.eactive.eai.transformer.util.Logger;
+import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
@@ -75,6 +76,7 @@ public class ApiGroupManService extends OnlBaseService {
 	}
 
 	public void insert(ApiGroupUI apiGroupUI) {
+		applyContentSubjectDefault(apiGroupUI);
 		ApiGroup apiGroup = apiGroupUIMapper.toEntity(apiGroupUI);
 		for (ApiGroupApi apiGroupApi : apiGroup.getApiGroupApiList()){
 			apiGroupApi.setApiGroup(apiGroup);
@@ -86,11 +88,19 @@ public class ApiGroupManService extends OnlBaseService {
 	}
 
 	public void update(ApiGroupUI apiGroupUI) {
+		applyContentSubjectDefault(apiGroupUI);
 		ApiGroup apiGroup = apiGroupService.getById(apiGroupUI.getId());
 		apiGroupUIMapper.updateToEntity(apiGroupUI, apiGroup);
 		apiGroupService.save(apiGroup);
 	}
 
+	// 메인 그룹명(contentSubject) 미입력 시 API 그룹 명(groupName)으로 대체
+	private void applyContentSubjectDefault(ApiGroupUI apiGroupUI) {
+		if (StringUtils.isBlank(apiGroupUI.getContentSubject())) {
+			apiGroupUI.setContentSubject(apiGroupUI.getGroupName());
+		}
+	}
+
 	public void delete(ApiGroupUI apiGroupUI) {
 		ApiGroup apiGroup = apiGroupService.getById(apiGroupUI.getId());
 		apiGroupService.delete(apiGroup);
diff --git a/src/main/java/com/eactive/eai/rms/onl/transaction/apim/DjbApiSpecController.java b/src/main/java/com/eactive/eai/rms/onl/transaction/apim/DjbApiSpecController.java
index e3c9444..b25c0e9 100644
--- a/src/main/java/com/eactive/eai/rms/onl/transaction/apim/DjbApiSpecController.java
+++ b/src/main/java/com/eactive/eai/rms/onl/transaction/apim/DjbApiSpecController.java
@@ -162,6 +162,27 @@ public class DjbApiSpecController extends OnlBaseAnnotationController {
         return ResponseEntity.ok(result);
     }
 
+    // ── 상태조회: apiInterfaceMan 상세의 OpenAPI Spec 버튼 색상용 ──
+    // PTL_API_SPEC_INFO(api_id = eaiSvcName) 존재 여부와 display_yn 만 경량 반환.
+    @PostMapping(value = "/onl/transaction/apim/djbApiSpecMan.json", params = "cmd=SPEC_STATUS")
+    @ResponseBody
+    public ResponseEntity<Map<String, String>> specStatus(String eaiSvcName) {
+        Map<String, String> result = new HashMap<>();
+        boolean exists = false;
+        String displayYn = "N";
+        if (StringUtils.isNotBlank(eaiSvcName)) {
+            // selectDetail 은 미존재 시에도 빈 ApiSpecInfoUI(apiId=null)를 반환하므로 apiId 로 존재 판정.
+            ApiSpecInfoUI saved = apiSpecManService.selectDetail(eaiSvcName);
+            if (saved != null && StringUtils.isNotBlank(saved.getApiId())) {
+                exists = true;
+                displayYn = StringUtils.defaultIfBlank(saved.getDisplayYn(), "N");
+            }
+        }
+        result.put("exists", String.valueOf(exists));
+        result.put("displayYn", displayYn);
+        return ResponseEntity.ok(result);
+    }
+
     // ── 저장: 마법사 폼 → ApiSpecInfoUI → apiSpecManService.save (기존 재사용) ──
     @PostMapping(value = "/onl/transaction/apim/djbApiSpecMan.json", params = "cmd=SAVE")
     @ResponseBody