diff --git a/src/main/webapp/WEB-INF/jsp/framework/layouts/tiles/biz/layout-tiles-biz-main.jsp b/src/main/webapp/WEB-INF/jsp/framework/layouts/tiles/biz/layout-tiles-biz-main.jsp
index d1ba9d60..ab6b43e7 100644
--- a/src/main/webapp/WEB-INF/jsp/framework/layouts/tiles/biz/layout-tiles-biz-main.jsp
+++ b/src/main/webapp/WEB-INF/jsp/framework/layouts/tiles/biz/layout-tiles-biz-main.jsp
@@ -13,9 +13,9 @@
             /*content: '';*/
             background-image: url(/resources/images/btn/bu5_close.gif);
             display: inline-block;
-            background-size: 10px 10px;
-            width: 10px;
-            height: 10px;
+            background-size: 15px 15px;
+            width: 15px;
+            height: 15px;
             cursor: hand;
             background-position: right;
             background-repeat: no-repeat;
@@ -83,13 +83,14 @@
         <div class="modal-wrap">
                 
         </div>
-        <script defer src="${pageContext.request.contextPath}/resources/biz/common/js/contentTabs.js"></script>
+        <script defer src="${pageContext.request.contextPath}/resources/biz/common/js/jqueryTabs.js"></script>
 
         <script defer type="text/javascript">
             //document.domain = "xit.com";
 
             $(document).ready(() => {
                 $('#ifrTabs').tabs({
+
                     activate: function (e, ui){
                         const selTab = $('#ifrTabs').tabs('option', 'active');
                         if(selTab !== 0){
diff --git a/src/main/webapp/resources/biz/common/js/contentTabs.js b/src/main/webapp/resources/biz/common/js/jqueryTabs.js
similarity index 76%
rename from src/main/webapp/resources/biz/common/js/contentTabs.js
rename to src/main/webapp/resources/biz/common/js/jqueryTabs.js
index 14eb570b..af913a8b 100644
--- a/src/main/webapp/resources/biz/common/js/contentTabs.js
+++ b/src/main/webapp/resources/biz/common/js/jqueryTabs.js
@@ -60,18 +60,38 @@ function closeTab(menuId, selTab) {
     if(menuId === 'main' || menuId?.id === 'main')   return;
     const num_tabs = $('div#ifrTabs ul li.tab').length;
 
-    let activeTab = $("#ifrTabs").tabs('option', 'active');
+    // click한 tab
+    const selIdx = id2Index("div#ifrTabs","#tab-"+menuId);
 
-    if(num_tabs - 1 > activeTab){
-        $('#ifrTabs').tabs({active: activeTab + 1})
-    }else{
-        $('#ifrTabs').tabs({active: activeTab - 1})
+    // active tab
+    let activeIdx = $("#ifrTabs").tabs('option', 'active');
+
+    if(selIdx === activeIdx) {
+        if (num_tabs - 1 > activeIdx) {
+            $('#ifrTabs').tabs({active: activeIdx + 1})
+        } else {
+            $('#ifrTabs').tabs({active: activeIdx - 1})
+        }
     }
 
     iframeMap[menuId].remove();
     delete iframeMap[menuId];
 
-    $("#tab-" + activeTab).remove();
+    $("#tab-" + activeIdx).remove();
     $('#ifrTabs').find('#li-'+menuId).remove();
     $('#ifrTabs').tabs("refresh");
 }
+
+function id2Index(tabsId, srcId) {
+    let index = -1;
+    const tbH = $(tabsId).find("li a");
+    if(tbH.length > 0) {
+        tbH.each((idx, liEl) => {
+            if (liEl.href.search(srcId) > 0) {
+                index = idx;
+                return false;
+            }
+        });
+    }
+    return index;
+}