diff --git a/WebContent/jsp/onl/admin/inflow/inflowGroupControlMan.jsp b/WebContent/jsp/onl/admin/inflow/inflowGroupControlMan.jsp
index 02a845e..04bf391 100644
--- a/WebContent/jsp/onl/admin/inflow/inflowGroupControlMan.jsp
+++ b/WebContent/jsp/onl/admin/inflow/inflowGroupControlMan.jsp
@@ -26,6 +26,7 @@
 .datetime-display { font-size:11px; color:#666; }
 .datetime-display .date { color:#333; }
 .datetime-display .time { color:rgba(0,128,128,0.9); font-weight:500; }
+.group-id-display { font-family:Consolas, monospace; font-size:11px; color:#666; }
 </style>
 <script language="javascript" >
 var url      ='<c:url value="/onl/admin/inflow/inflowGroupControlMan.json" />';
@@ -77,6 +78,11 @@ function thresholdFormatter(cellValue, options, rowObject) {
 	return '<span class="threshold-display"><span class="num">' + Number(threshold).toLocaleString() + '</span>건 / <span class="unit">' + label + '</span><span class="code">' + timeUnit + '</span></span>';
 }
 
+function groupIdFormatter(cellValue, options, rowObject) {
+	if (!cellValue) return '<span style="color:#ccc;">-</span>';
+	return '<span class="group-id-display">' + cellValue + '</span>';
+}
+
 $(document).ready(function() {
 	$('#grid').jqGrid({
 		datatype:"json",
@@ -91,8 +97,8 @@ $(document).ready(function() {
                   '수정일시'
         ],
 		colModel:[
-			{ name : 'GROUPID'				, align:'left'		, width:'100'	, sortable:false, hidden:true },
-			{ name : 'GROUPNAME'			, align:'left'		, width:'250'},
+			{ name : 'GROUPID'				, align:'left'		, width:'200'	, sortable:false },
+			{ name : 'GROUPNAME'			, align:'left'		, width:'280'},
 			{ name : 'THRESHOLDPERSECOND'	, align:'center'	, width:'100'	, formatter:perSecondFormatter },
 			{ name : 'THRESHOLD' 			, align:'center'	, width:'120'	, formatter:thresholdFormatter },
 			{ name : 'USEYN'				, align:'center'	, width:'70'	, formatter:useYnBadgeFormatter },
diff --git a/WebContent/jsp/onl/admin/inflow/inflowGroupControlManDetail.jsp b/WebContent/jsp/onl/admin/inflow/inflowGroupControlManDetail.jsp
index d0e7dab..c58dc29 100644
--- a/WebContent/jsp/onl/admin/inflow/inflowGroupControlManDetail.jsp
+++ b/WebContent/jsp/onl/admin/inflow/inflowGroupControlManDetail.jsp
@@ -268,7 +268,8 @@ function detail(url, key) {
 		dataType: "json",
 		data: {cmd: 'DETAIL', groupId: key},
 		success: function(json) {
-			$("input[name=groupId]").val(json.GROUPID || json.groupId);
+			var groupId = json.GROUPID || json.groupId;
+			$("input[name=groupId]").val(groupId);
 			$("input[name=groupName]").val(json.GROUPNAME || json.groupName);
 			$("input[name=thresholdPerSecond]").val(json.THRESHOLDPERSECOND || json.thresholdPerSecond);
 			$("input[name=threshold]").val(json.THRESHOLD || json.threshold);
@@ -279,6 +280,12 @@ function detail(url, key) {
 			$('#useYnLabel').text(useYnVal === '1' ? '사용' : '미사용');
 			updateThresholdLabel();
 
+			// 그룹 ID 표시 (수정 화면에서만)
+			if (groupId) {
+				$('#groupIdDisplay').text(groupId);
+				$('#groupIdRow').show();
+			}
+
 			// 수정일시 표시
 			var modifiedAt = json.MODIFIEDAT || json.modifiedAt;
 			if (modifiedAt) {
@@ -355,7 +362,10 @@ function openIfModal() {
 	ifModalState.page = 1;
 	ifModalState.selectedItem = null;
 	$('#ifSearchInput').val('');
-	$('#ifModal').fadeIn(200);
+	$('#ifModal').fadeIn(200, function() {
+		$('#ifSearchInput').focus();
+	});
+	$(document.activeElement).blur();
 	loadIfList();
 }
 
@@ -716,6 +726,7 @@ $(document).ready(function() {
 	});
 
 	$("#btn_modify").click(function() {
+		$(this).blur();
 		if (!isValid()) return;
 
 		var confirmMsg = isDetail ? '변경사항을 저장하시겠습니까?' : '새 그룹을 등록하시겠습니까?';
@@ -732,15 +743,28 @@ $(document).ready(function() {
 
 				postData.push({name: "interfaceListJson", value: getInterfaceListJson()});
 
+				var isInsert = !isDetail;
 				$.ajax({
 					type: "POST",
 					url: url,
 					data: postData,
 					success: function(args) {
-						showAlert("<%= localeMessage.getString("common.saveMsg") %>", {
-							type: 'success',
-							title: '저장 완료'
-						});
+						if (isInsert) {
+							// 신규 등록 시 목록으로 이동
+							showAlert("<%= localeMessage.getString("common.saveMsg") %>", {
+								type: 'success',
+								title: '저장 완료',
+								onClose: function() {
+									goNav(returnUrl);
+								}
+							});
+						} else {
+							// 수정 시 현재 화면 유지
+							showAlert("<%= localeMessage.getString("common.saveMsg") %>", {
+								type: 'success',
+								title: '저장 완료'
+							});
+						}
 					},
 					error: function(e) {
 						showAlert(e.responseText, { type: 'error' });
@@ -751,6 +775,7 @@ $(document).ready(function() {
 	});
 
 	$("#btn_delete").click(function() {
+		$(this).blur();
 		var groupName = $('input[name=groupName]').val();
 		showConfirm('<strong>[' + groupName + ']</strong> 그룹을 삭제하시겠습니까?<br/><span style="color:#999;font-size:11px;">매핑된 API 정보도 함께 삭제됩니다.</span>', {
 			type: 'error',
@@ -845,6 +870,7 @@ $(document).ready(function() {
 
 	// 도움말 모달
 	$("#btn_help").click(function() {
+		$(document.activeElement).blur();
 		$("#helpModal").fadeIn(200);
 	});
 	$(".help-modal-close, .help-modal-overlay").click(function(e) {
@@ -905,6 +931,10 @@ $(document).ready(function() {
 						<col />
 					</colgroup>
 					<tbody>
+						<tr id="groupIdRow" style="display:none;">
+							<th>그룹 ID</th>
+							<td><span id="groupIdDisplay" style="font-family:Consolas, monospace; font-size:12px; color:#666;"></span></td>
+						</tr>
 						<tr>
 							<th>그룹명 <span style="color:red">*</span></th>
 							<td><input type="text" name="groupName" style="width:300px" /></td>