diff --git a/adm/board_copy_update.php b/adm/board_copy_update.php
index 5636b1cae..b17a19b91 100644
--- a/adm/board_copy_update.php
+++ b/adm/board_copy_update.php
@@ -88,7 +88,6 @@ $sql = " insert into {$g5['board_table']}
                 bo_upload_size = '{$board[bo_upload_size]}',
                 bo_reply_order = '{$board[bo_reply_order]}',
                 bo_use_search = '{$board[bo_use_search]}',
-                bo_show_menu = '{$board[bo_show_menu]}',
                 bo_order = '{$board[bo_order]}',
                 bo_notice = '{$board['bo_notice']}',
                 bo_upload_count = '{$board[bo_upload_count]}',
diff --git a/adm/board_form.php b/adm/board_form.php
index 6e9d2a54c..ecbea30f1 100644
--- a/adm/board_form.php
+++ b/adm/board_form.php
@@ -21,10 +21,6 @@ if (!isset($board['bo_device'])) {
     sql_query(" ALTER TABLE  `{$g5['board_table']}` ADD  `bo_device` ENUM(  'both',  'pc',  'mobile' ) NOT NULL DEFAULT  'both' AFTER  `bo_subject` ", false);
 }
 
-if (!isset($board['bo_show_menu'])) {
-    sql_query(" ALTER TABLE `{$g5['board_table']}` ADD `bo_show_menu` TINYINT NOT NULL DEFAULT '0' AFTER `bo_use_search`,  ADD `bo_order` INT NOT NULL DEFAULT '0' AFTER `bo_show_menu` ", false);
-}
-
 if (!isset($board['bo_mobile_skin'])) {
     sql_query(" ALTER TABLE `{$g5['board_table']}` ADD `bo_mobile_skin` VARCHAR(255) NOT NULL DEFAULT '' AFTER `bo_skin` ", false);
 }
@@ -120,7 +116,6 @@ if ($w == '') {
     $board['bo_use_secret'] = 0;
     $board['bo_include_head'] = '_head.php';
     $board['bo_include_tail'] = '_tail.php';
-    $board['bo_show_menu'] = true;
 
 } else if ($w == 'u') {
 
@@ -769,20 +764,6 @@ $frm_submit .= '</div>';
                 <label for="chk_all_use_search">전체적용</label>
             </td>
         </tr>
-        <tr>
-            <th scope="row"><label for="bo_show_menu">메뉴보이기</label></th>
-            <td>
-                <?php echo help("사용에 체크하시면 게시판 제목을 메뉴에 출력합니다.") ?>
-                <input type="checkbox" name="bo_show_menu" value="1" id="bo_show_menu" <?php echo $board['bo_show_menu']?'checked':''; ?>>
-                사용
-            </td>
-            <td class="td_grpset">
-                <input type="checkbox" name="chk_grp_show_menu" value="1" id="chk_grp_show_menu">
-                <label for="chk_grp_show_menu">그룹적용</label>
-                <input type="checkbox" name="chk_all_show_menu" value="1" id="chk_all_show_menu">
-                <label for="chk_all_show_menu">전체적용</label>
-            </td>
-        </tr>
         <tr>
             <th scope="row"><label for="bo_order">출력 순서</label></th>
             <td>
diff --git a/adm/board_form_update.php b/adm/board_form_update.php
index 99ff23265..e7c374d0e 100644
--- a/adm/board_form_update.php
+++ b/adm/board_form_update.php
@@ -107,7 +107,6 @@ $sql_common = " gr_id               = '{$_POST['gr_id']}',
                 bo_reply_order      = '{$_POST['bo_reply_order']}',
                 bo_use_search       = '{$_POST['bo_use_search']}',
                 bo_order            = '{$_POST['bo_order']}',
-                bo_show_menu        = '{$_POST['bo_show_menu']}',
                 bo_write_min        = '{$_POST['bo_write_min']}',
                 bo_write_max        = '{$_POST['bo_write_max']}',
                 bo_comment_min      = '{$_POST['bo_comment_min']}',
@@ -290,7 +289,6 @@ if (is_checked('chk_grp_mobile_content_tail'))         $grp_fields .= " , bo_mob
 if (is_checked('chk_grp_insert_content'))       $grp_fields .= " , bo_insert_content = '{$bo_insert_content}' ";
 if (is_checked('chk_grp_use_search'))           $grp_fields .= " , bo_use_search = '{$bo_use_search}' ";
 if (is_checked('chk_grp_order'))                $grp_fields .= " , bo_order = '{$bo_order}' ";
-if (is_checked('chk_grp_show_menu'))            $grp_fields .= " , bo_show_menu = '{$bo_show_menu}' ";
 for ($i=1; $i<=10; $i++) {
     if (is_checked('chk_grp_'.$i)) {
         $grp_fields .= " , bo_{$i}_subj = '".$_POST['bo_'.$i.'_subj']."' ";
@@ -374,7 +372,6 @@ if (is_checked('chk_all_mobile_content_tail'))         $all_fields .= " , bo_mob
 if (is_checked('chk_all_insert_content'))       $all_fields .= " , bo_insert_content = '{$bo_insert_content}' ";
 if (is_checked('chk_all_use_search'))           $all_fields .= " , bo_use_search = '{$bo_use_search}' ";
 if (is_checked('chk_all_order'))                $all_fields .= " , bo_order = '{$bo_order}' ";
-if (is_checked('chk_all_show_menu'))            $all_fields .= " , bo_show_menu = '{$bo_show_menu}' ";
 for ($i=1; $i<=10; $i++) {
     if (is_checked('chk_all_'.$i)) {
         $all_fields .= " , bo_{$i}_subj = '".$_POST['bo_'.$i.'_subj']."' ";
diff --git a/adm/board_list.php b/adm/board_list.php
index 96de20f05..7a9639926 100644
--- a/adm/board_list.php
+++ b/adm/board_list.php
@@ -51,7 +51,7 @@ $listall = '<a href="'.$_SERVER['PHP_SELF'].'" class="ov_listall">전체목록</
 $g5['title'] = '게시판관리';
 include_once('./admin.head.php');
 
-$colspan = 16;
+$colspan = 15;
 ?>
 
 <div class="local_ov01 local_ov">
@@ -107,7 +107,6 @@ $colspan = 16;
         <th scope="col">다운P<span class="sound_only">포인트</span></th>
         <th scope="col"><?php echo subject_sort_link('bo_use_sns') ?>SNS<br>사용</a></th>
         <th scope="col"><?php echo subject_sort_link('bo_use_search') ?>검색<br>사용</a></th>
-        <th scope="col"><?php echo subject_sort_link('bo_show_menu') ?>메뉴<br>보임</a></th>
         <th scope="col"><?php echo subject_sort_link('bo_order') ?>출력<br>순서</a></th>
         <th scope="col">접속기기</th>
         <th scope="col">관리</th>
@@ -174,10 +173,6 @@ $colspan = 16;
             <label for="bo_use_search_<?php echo $i; ?>" class="sound_only">검색 사용</label>
             <input type="checkbox" name="bo_use_search[<?php echo $i ?>]" value="1" id="bo_use_search_<?php echo $i ?>" <?php echo $row['bo_use_search']?"checked":"" ?>>
         </td>
-        <td class="td_chk">
-            <label for="bo_show_menu_<?php echo $i; ?>" class="sound_only">메인메뉴 보이기</label>
-            <input type="checkbox" name="bo_show_menu[<?php echo $i ?>]" value="1" id="bo_show_menu_<?php echo $i ?>" <?php echo $row['bo_show_menu']?"checked":"" ?>>
-        </td>
         <td class="td_chk">
             <label for="bo_order_<?php echo $i; ?>" class="sound_only">출력 순서</label>
             <input type="text" name="bo_order[<?php echo $i ?>]" value="<?php echo $row['bo_order'] ?>" id="bo_order_<?php echo $i ?>" class="frm_input" size="2">
diff --git a/adm/board_list_update.php b/adm/board_list_update.php
index 0cf509bd7..9d8850660 100644
--- a/adm/board_list_update.php
+++ b/adm/board_list_update.php
@@ -39,7 +39,6 @@ if ($_POST['act_button'] == "선택수정") {
                         bo_download_point   = '{$_POST['bo_download_point'][$k]}',
                         bo_use_search       = '{$_POST['bo_use_search'][$k]}',
                         bo_use_sns          = '{$_POST['bo_use_sns'][$k]}',
-                        bo_show_menu        = '{$_POST['bo_show_menu'][$k]}',
                         bo_order            = '{$_POST['bo_order'][$k]}'
                   where bo_table            = '{$_POST['board_table'][$k]}' ";
         sql_query($sql);
diff --git a/adm/boardgroup_form.php b/adm/boardgroup_form.php
index 57b71054f..755c26c3c 100644
--- a/adm/boardgroup_form.php
+++ b/adm/boardgroup_form.php
@@ -26,9 +26,6 @@ if (!isset($group['gr_device'])) {
     sql_query(" ALTER TABLE `{$g5['group_table']}` ADD `gr_device` ENUM('both','pc','mobile') NOT NULL DEFAULT 'both' AFTER `gr_subject` ", false);
 }
 
-if (!isset($group['gr_show_menu'])) {
-    sql_query(" ALTER TABLE `{$g5['group_table']}`  ADD `gr_show_menu` TINYINT NOT NULL DEFAULT '0' AFTER `gr_use_access`,  ADD `gr_order` INT NOT NULL DEFAULT '0' AFTER `gr_show_menu` ", false);
-}
 
 $g5['title'] = $html_title;
 include_once('./admin.head.php');
@@ -52,11 +49,11 @@ include_once('./admin.head.php');
     <tbody>
     <tr>
         <th scope="row"><label for="gr_id">그룹 ID<?php echo $sound_only ?></label></th>
-        <td><input type="text" name="gr_id" value="<?php echo $group['gr_id'] ?>" id="gr_id" <?php echo $gr_id_attr; ?> class="<?php echo $gr_id_attr; ?> alnum_ frm_input" maxlength="10"> 
-            <?php 
+        <td><input type="text" name="gr_id" value="<?php echo $group['gr_id'] ?>" id="gr_id" <?php echo $gr_id_attr; ?> class="<?php echo $gr_id_attr; ?> alnum_ frm_input" maxlength="10">
+            <?php
             if ($w=='')
                 echo '영문자, 숫자, _ 만 가능 (공백없이)';
-            else 
+            else
                 echo '<a href="'.G5_BBS_URL.'/group.php?gr_id='.$group['gr_id'].'" class="btn_frmline">게시판그룹 바로가기</a>';
             ?>
         </td>
@@ -112,14 +109,6 @@ include_once('./admin.head.php');
             ?>
         </td>
     </tr>
-    <tr>
-        <th scope="row"><label for="gr_show_menu">메뉴보이기</label></th>
-        <td>
-            <?php echo help("사용에 체크하시면 게시판그룹 제목을 메뉴에 출력합니다.") ?>
-            <input type="checkbox" name="gr_show_menu" value="1" id="gr_show_menu" <?php echo $gr['gr_show_menu']?'checked':''; ?>>
-            사용
-        </td>
-    </tr>
     <?php for ($i=1;$i<=10;$i++) { ?>
     <tr>
         <th scope="row">여분필드<?php echo $i ?></th>
diff --git a/adm/boardgroup_form_update.php b/adm/boardgroup_form_update.php
index 5f55247c5..75af99927 100644
--- a/adm/boardgroup_form_update.php
+++ b/adm/boardgroup_form_update.php
@@ -17,7 +17,6 @@ if (!$gr_subject) alert('그룹 제목을 입력하세요.');
 $sql_common = " gr_subject = '{$_POST['gr_subject']}',
                 gr_device = '{$_POST['gr_device']}',
                 gr_admin  = '{$_POST['gr_admin']}',
-                gr_show_menu  = '{$_POST['gr_show_menu']}',
                 gr_1_subj = '{$_POST['gr_1_subj']}',
                 gr_2_subj = '{$_POST['gr_2_subj']}',
                 gr_3_subj = '{$_POST['gr_3_subj']}',
@@ -38,7 +37,7 @@ $sql_common = " gr_subject = '{$_POST['gr_subject']}',
                 gr_8 = '{$_POST['gr_8']}',
                 gr_9 = '{$_POST['gr_9']}',
                 gr_10 = '{$_POST['gr_10']}' ";
-if (isset($_POST['gr_use_access'])) 
+if (isset($_POST['gr_use_access']))
     $sql_common .= ", gr_use_access = '{$_POST['gr_use_access']}' ";
 else
     $sql_common .= ", gr_use_access = '' ";
diff --git a/adm/boardgroup_list.php b/adm/boardgroup_list.php
index ff14489dd..c3280883d 100644
--- a/adm/boardgroup_list.php
+++ b/adm/boardgroup_list.php
@@ -55,7 +55,7 @@ $listall = '<a href="'.$_SERVER['PHP_SELF'].'" class="ov_listall">처음</a>';
 $g5['title'] = '게시판그룹설정';
 include_once('./admin.head.php');
 
-$colspan = 11;
+$colspan = 10;
 ?>
 
 <div class="local_ov01 local_ov">
@@ -105,7 +105,6 @@ $colspan = 11;
         <th scope="col">게시판</th>
         <th scope="col">접근<br>사용</th>
         <th scope="col">접근<br>회원수</th>
-        <th scope="col">메뉴<br>보임</th>
         <th scope="col"><?php echo subject_sort_link('gr_order') ?>출력<br>순서</a></th>
         <th scope="col">접속기기</th>
         <th scope="col">관리</th>
@@ -153,10 +152,6 @@ $colspan = 11;
             <input type="checkbox" name="gr_use_access[<?php echo $i ?>]" <?php echo $row['gr_use_access']?'checked':'' ?> value="1" id="gr_use_access_<?php echo $i ?>">
         </td>
         <td class="td_numsmall"><a href="./boardgroupmember_list.php?gr_id=<?php echo $row['gr_id'] ?>"><?php echo $row1['cnt'] ?></a></td>
-        <td class="td_chk">
-            <label for="gr_show_menu_<?php echo $i; ?>" class="sound_only">메인메뉴에 보이기</label>
-            <input type="checkbox" name="gr_show_menu[<?php echo $i ?>]" <?php echo $row['gr_show_menu']?'checked':'' ?> value="1" id="gr_show_menu_<?php echo $i ?>">
-        </td>
         <td class="td_chk">
             <label for="gr_order_<?php echo $i; ?>" class="sound_only">메인메뉴 출력순서</label>
             <input type="text" name="gr_order[<?php echo $i ?>]" value="<?php echo $row['gr_order'] ?>" id="gr_order_<?php echo $i ?>" class="frm_input" size="2">
diff --git a/adm/boardgroup_list_update.php b/adm/boardgroup_list_update.php
index 32c1e5aea..e7f9816eb 100644
--- a/adm/boardgroup_list_update.php
+++ b/adm/boardgroup_list_update.php
@@ -17,14 +17,13 @@ for ($i=0; $i<$count; $i++)
 {
     $k     = $_POST['chk'][$i];
     $gr_id = $_POST['group_id'][$k];
-    
+
     if($_POST['act_button'] == '선택수정') {
         $sql = " update {$g5['group_table']}
                     set gr_subject    = '{$_POST['gr_subject'][$k]}',
                         gr_device     = '{$_POST['gr_device'][$k]}',
                         gr_admin      = '{$_POST['gr_admin'][$k]}',
                         gr_use_access = '{$_POST['gr_use_access'][$k]}',
-                        gr_show_menu  = '{$_POST['gr_show_menu'][$k]}',
                         gr_order      = '{$_POST['gr_order'][$k]}'
                   where gr_id         = '{$gr_id}' ";
         if ($is_admin != 'super')
diff --git a/install/gnuboard5.sql b/install/gnuboard5.sql
index 4d80e68ad..19f858b38 100644
--- a/install/gnuboard5.sql
+++ b/install/gnuboard5.sql
@@ -84,7 +84,6 @@ CREATE TABLE IF NOT EXISTS `g5_board` (
   `bo_upload_size` int(11) NOT NULL DEFAULT '0',
   `bo_reply_order` tinyint(4) NOT NULL DEFAULT '0',
   `bo_use_search` tinyint(4) NOT NULL DEFAULT '0',
-  `bo_show_menu` tinyint(4) NOT NULL DEFAULT '0',
   `bo_order` int(11) NOT NULL DEFAULT '0',
   `bo_count_write` int(11) NOT NULL DEFAULT '0',
   `bo_count_comment` int(11) NOT NULL DEFAULT '0',
@@ -352,7 +351,6 @@ CREATE TABLE IF NOT EXISTS `g5_group` (
   `gr_device` ENUM('both','pc','mobile') NOT NULL DEFAULT 'both',
   `gr_admin` varchar(255) NOT NULL default '',
   `gr_use_access` tinyint(4) NOT NULL default '0',
-  `gr_show_menu` tinyint(4) NOT NULL default '0',
   `gr_order` int(11) NOT NULL default '0',
   `gr_1_subj` varchar(255) NOT NULL default '',
   `gr_2_subj` varchar(255) NOT NULL default '',
@@ -864,3 +862,20 @@ CREATE TABLE IF NOT EXISTS `g5_new_win` (
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8;
 
 -- --------------------------------------------------------
+
+--
+-- Table structure for table `g5_menu`
+--
+
+DROP TABLE IF EXISTS `g5_menu`;
+CREATE TABLE IF NOT EXISTS `g5_menu` (
+  `me_id` int(11) NOT NULL AUTO_INCREMENT,
+  `me_code` varchar(255) NOT NULL DEFAULT '',
+  `me_name` varchar(255) NOT NULL DEFAULT '',
+  `me_link` varchar(255) NOT NULL DEFAULT '',
+  `me_target` varchar(255) NOT NULL DEFAULT '',
+  `me_order` int(11) NOT NULL DEFAULT '0',
+  `me_use` tinyint(4) NOT NULL DEFAULT '0',
+  `me_mobile_use` tinyint(4) NOT NULL DEFAULT '0',
+  PRIMARY KEY (`me_id`)
+) ENGINE=MyISAM  DEFAULT CHARSET=utf8;
diff --git a/install/install_db.php b/install/install_db.php
index 7032bb7b1..19aab665d 100644
--- a/install/install_db.php
+++ b/install/install_db.php
@@ -122,6 +122,7 @@ $sql = " insert into `{$table_prefix}config`
                 cf_mobile_search_skin = 'basic',
                 cf_mobile_connect_skin = 'basic',
                 cf_mobile_member_skin = 'basic',
+                cf_editor = 'ckeditor4',
                 cf_captcha_mp3 = 'basic',
                 cf_register_level = '2',
                 cf_register_point = '1000',