diff --git a/common/lang/ko.lang.php b/common/lang/ko.lang.php
index 84aad4ffd..4c29b8ba6 100644
--- a/common/lang/ko.lang.php
+++ b/common/lang/ko.lang.php
@@ -39,6 +39,8 @@
     $lang->cmd_unselect_all = "모두해제";
     $lang->cmd_close_all = "모두닫기";
     $lang->cmd_open_all = "모두열기";
+    $lang->cmd_reload = "다시읽기";
+    $lang->cmd_remake_cache = "캐시파일 재생성";
 
     $lang->enable = '가능';
     $lang->disable = '불가능';
diff --git a/modules/layout/conf/module.xml b/modules/layout/conf/module.xml
index 19fc9eeba..935c5fde8 100644
--- a/modules/layout/conf/module.xml
+++ b/modules/layout/conf/module.xml
@@ -11,5 +11,6 @@
         <action name="procInsertLayout" type="controller" standalone="true" />
         <action name="procInsertLayoutMenu" type="controller" standalone="true" />
         <action name="procDeleteLayoutMenu" type="controller" standalone="true" />
+        <action name="procMakeXmlFile" type="controller" standalone="true" />
     </actions>
 </module>
diff --git a/modules/layout/lang/ko.lang.php b/modules/layout/lang/ko.lang.php
index dff8cf154..5f076ad2e 100644
--- a/modules/layout/lang/ko.lang.php
+++ b/modules/layout/lang/ko.lang.php
@@ -4,6 +4,7 @@
      * @author zero <zero@nzeo.com>
      * @brief  레이아웃(layout) 모듈의 기본 언어팩
      **/
+    $lang->cmd_make_child = '하부 메뉴 추가';
 
     $lang->layout = '레이아웃';
     $lang->layout_name = '레이아웃 이름';
diff --git a/modules/layout/layout.controller.php b/modules/layout/layout.controller.php
index d5f045c10..affe1dad8 100644
--- a/modules/layout/layout.controller.php
+++ b/modules/layout/layout.controller.php
@@ -39,9 +39,11 @@
             unset($source_args->act);
             if($source_args->menu_open_window!="Y") $source_args->menu_open_window = "N";
             $source_args->group_srls = str_replace('|@|',',',$source_args->group_srls);
+            $source_args->parent_srl = (int)$source_args->parent_srl;
 
             // 변수를 다시 정리 (form문의 column과 DB column이 달라서)
             $args->menu_srl = $source_args->menu_srl;
+            $args->parent_srl = $source_args->parent_srl;
             $args->layout_srl = $source_args->layout_srl;
             $args->menu_id = $source_args->menu_id;
             $args->name = $source_args->menu_name;
@@ -122,6 +124,36 @@
             $this->add('menu_title', $menu_title);
         }
 
+        /**
+         * @brief xml 파일을 갱싱
+         **/
+        function procMakeXmlFile() {
+            // 입력값을 체크 
+            $menu_id = Context::get('menu_id');
+            $layout = Context::get('layout');
+            $layout_srl = Context::get('layout_srl');
+
+            // 해당 메뉴의 정보를 구함
+            $oLayoutModel = &getModel('layout');
+            $layout_info = $oLayoutModel->getLayoutInfoXml($layout);
+            $navigations = $layout_info->navigations;
+            if(count($navigations)) {
+                foreach($navigations as $key => $val) {
+                    if($menu_id == $val->id) {
+                        $menu_title = $val->name;
+                    }
+                }
+            }
+
+            // xml파일 재생성 
+            $xml_file = $this->makeXmlFile($layout_srl);
+
+            // return 값 설정 
+            $this->add('menu_id',$menu_id);
+            $this->add('menu_title',$menu_title);
+            $this->add('xml_file',$xml_file[$menu_id]);
+        }
+
         /**
          * @brief 메뉴의 xml 파일을 만들고 위치를 return
          **/
@@ -148,7 +180,8 @@
                 foreach($node_list as $node) {
                     $buff .= sprintf('<node node_srl="%s" text="%s" />', $node->menu_srl, $node->name);
                 }
-                $buff = "<root>".$buff."</root>";
+                if($buff) $buff = "<root>".$buff."</root>";
+                else $buff = "<root />";
 
                 $xml_file[$menu_id] = sprintf("./files/cache/layout/%s_%s.xml", $layout_srl, $menu_id);
                 FileHandler::writeFile($xml_file[$menu_id], $buff);
diff --git a/modules/layout/layout.model.php b/modules/layout/layout.model.php
index e906b4d06..671f4a9c5 100644
--- a/modules/layout/layout.model.php
+++ b/modules/layout/layout.model.php
@@ -168,19 +168,28 @@
             $menu_id = Context::get('menu_id');
             $menu_srl = Context::get('menu_srl');
             $layuot = Context::get('layout');
+            $parent_srl = Context::get('parent_srl');
 
             // 회원 그룹의 목록을 가져옴
             $oMemberModel = &getModel('member');
             $group_list = $oMemberModel->getGroups();
             Context::set('group_list', $group_list);
 
-            // menu_srl 이 있으면 해당 메뉴의 정보를 가져온다
-            if($menu_srl) $menu_info = $this->getLayoutMenuInfo($menu_srl);
-
-            if(!$menu_info->menu_srl) {
+            // parent_srl이 있고 menu_srl이 없으면 하부 메뉴 추가임
+            if(!$menu_srl && $parent_srl) {
                 $oDB = &DB::getInstance();
                 $menu_info->menu_srl = $oDB->getNextSequence();
+                $menu_info->parent_srl = $parent_srl;
+            } else {
+                // menu_srl 이 있으면 해당 메뉴의 정보를 가져온다
+                if($menu_srl) $menu_info = $this->getLayoutMenuInfo($menu_srl);
+
+                if(!$menu_info->menu_srl) {
+                    $oDB = &DB::getInstance();
+                    $menu_info->menu_srl = $oDB->getNextSequence();
+                }
             }
+
             Context::set('menu_info', $menu_info);
 
             // template 파일을 직접 컴파일한후 tpl변수에 담아서 return한다.
diff --git a/modules/layout/queries/insertLayoutMenu.xml b/modules/layout/queries/insertLayoutMenu.xml
index dc755b801..71bef7141 100644
--- a/modules/layout/queries/insertLayoutMenu.xml
+++ b/modules/layout/queries/insertLayoutMenu.xml
@@ -4,6 +4,7 @@
   </tables>
   <columns>
     <column name="menu_srl" var="menu_srl" filter="number" notnull="notnull" />
+    <column name="parent_srl" var="parent_srl" filter="number" default="0" />
     <column name="layout_srl" var="layout_srl" filter="number" notnull="notnull" />
     <column name="menu_id" var="menu_id" filter="number" notnull="notnull" />
     <column name="name" var="name" notnull="notnull" />
diff --git a/modules/layout/schemas/layout_menu.xml b/modules/layout/schemas/layout_menu.xml
index 9861ab365..1b78da8ac 100644
--- a/modules/layout/schemas/layout_menu.xml
+++ b/modules/layout/schemas/layout_menu.xml
@@ -1,5 +1,6 @@
 <table name="layout_menu">
   <column name="menu_srl" type="number" size="12" notnull="notnull" primary_key="primary_key" />
+  <column name="parent_srl" type="number" size="12" notnull="notnull" default="0" />
   <column name="layout_srl" type="number" size="12" notnull="notnull" index="idx_layout_menu" />
   <column name="menu_id" type="varchar" size="250" notnull="notnull" index="idx_layout_menu" />
   <column name="name" type="varchar" size="250" />
diff --git a/modules/layout/tpl.admin/js/admin.js b/modules/layout/tpl.admin/js/admin.js
index c2a374e32..db1e404a0 100644
--- a/modules/layout/tpl.admin/js/admin.js
+++ b/modules/layout/tpl.admin/js/admin.js
@@ -10,6 +10,8 @@ function completeInsertLayoutMenu(ret_obj) {
   var xml_file = ret_obj['xml_file'];
   var menu_title = ret_obj['menu_title'];
   var menu_srl = ret_obj['menu_srl'];
+
+  if(!xml_file) return;
   loadTreeMenu(xml_file, menu_id, "menu_zone_"+menu_id, menu_title, doGetMenuInfo, menu_srl);
 
   if(!menu_srl) {
@@ -31,25 +33,44 @@ function doGetMenuInfo(menu_id, obj) {
   var fo_obj = xGetElementById("fo_layout");
   var layout = fo_obj.layout.value;
   var node_srl = 0;
+  var parent_srl = 0;
   if(typeof(obj.getAttribute)!="undefined") { 
     node_srl = obj.getAttribute("node_srl");
   } else {
     node_srl = obj.node_srl; 
+    parent_srl = obj.parent_srl; 
   }
 
   var params = new Array();
   params["menu_id"] = menu_id;
   params["layout"] = layout;
   params["menu_srl"] = node_srl;
+  params["parent_srl"] = parent_srl;
 
   // 서버에 요청하여 해당 노드의 정보를 수정할 수 있도록 한다. 
   var response_tags = new Array('error','message','menu_id', 'tpl');
   exec_xml('layout', 'getMenuTplInfo', params, completeGetMenuInfo, response_tags, params);
 }
 
+/* 메뉴 목록 갱신 */
+function doReloadTreeMenu(menu_id) {
+  var fo_obj = xGetElementById("fo_"+menu_id);
+  if(!fo_obj) return;
+
+  var params = new Array();
+  params["menu_id"] = menu_id;
+  params["layout"] = fo_obj.layout.value;
+  params["layout_srl"] = fo_obj.layout_srl.value;
+
+  // 서버에 요청하여 해당 노드의 정보를 수정할 수 있도록 한다. 
+  var response_tags = new Array('error','message','menu_id', 'xml_file', 'menu_title');
+  exec_xml('layout', 'procMakeXmlFile', params, completeInsertLayoutMenu, response_tags, params);
+}
+
 /* 빈 메뉴 추가시 사용 */
-function doInsertLayoutMenu(menu_id) {
-  var params = {node_srl:0}
+function doInsertLayoutMenu(menu_id, parent_srl) {
+  if(typeof(parent_srl)=='undefined') parent_srl = 0;
+  var params = {node_srl:0, parent_srl:parent_srl}
   doGetMenuInfo(menu_id, params);
   deSelectNode();
 }
@@ -58,5 +79,6 @@ function doInsertLayoutMenu(menu_id) {
 function completeGetMenuInfo(ret_obj, response_tags) {
   var menu_id = ret_obj['menu_id'];
   var tpl = ret_obj['tpl'];
+  xInnerHtml("menu_zone_info_"+menu_id, "");
   xInnerHtml("menu_zone_info_"+menu_id, tpl);
 }
diff --git a/modules/layout/tpl.admin/layout_info.html b/modules/layout/tpl.admin/layout_info.html
index 556cd6ee1..47a87849b 100644
--- a/modules/layout/tpl.admin/layout_info.html
+++ b/modules/layout/tpl.admin/layout_info.html
@@ -63,6 +63,7 @@
               <input type="button" value="{$lang->cmd_insert}" onclick="doInsertLayoutMenu('{$val->id}');return false;" />
               <input type="button" value="{$lang->cmd_open_all}" onclick="openAllTreeMenu('{$val->id}');return false;" />
               <input type="button" value="{$lang->cmd_close_all}" onclick="closeAllTreeMenu('{$val->id}');return false;" />
+              <input type="button" value="{$lang->cmd_remake_cache}" onclick="doReloadTreeMenu('{$val->id}');return false;" />
             </div>
           </td>
           <td>
diff --git a/modules/layout/tpl.admin/layout_menu_info.html b/modules/layout/tpl.admin/layout_menu_info.html
index 11c3db327..e8a995025 100644
--- a/modules/layout/tpl.admin/layout_menu_info.html
+++ b/modules/layout/tpl.admin/layout_menu_info.html
@@ -1,4 +1,6 @@
 <input type="hidden" name="menu_srl" value="{$menu_info->menu_srl}" />
+<input type="hidden" name="parent_srl" value="{$menu_info->parent_srl}" />
+
 <table border="1" width="100%">
 <col width="100" />
 <col width="*" />
@@ -56,7 +58,8 @@
   <td colspan="2">
     <input type="submit" value="{$lang->cmd_submit}" />
     <!--@if($menu_info->name)-->
-    <input type="button" value="{$lang->cmd_delete}" onclick="doDeleteLayoutMenu('{$menu_srl}','{$menu_info->menu_id}');return false"/>
+    <input type="button" value="{$lang->cmd_make_child}" onclick="doInsertLayoutMenu('{$menu_info->menu_id}','{$menu_info->menu_srl}');return false" />
+    <input type="button" value="{$lang->cmd_delete}" onclick="doDeleteLayoutMenu('{$menu_srl}','{$menu_info->menu_id}');return false" />
     <!--@end-->
   </td>
 </tr>