diff --git a/AvocadoAmber/adm/_gnb.000.site.menu.php b/AvocadoAmber/adm/_gnb.000.site.menu.php
index c367225..fdc7b25 100644
--- a/AvocadoAmber/adm/_gnb.000.site.menu.php
+++ b/AvocadoAmber/adm/_gnb.000.site.menu.php
@@ -51,7 +51,7 @@ $menu["config"]->addChildMenu("config", "애드온 설정", G5_ADMIN_URL . "/add
 $menu["config"]->addChildMenu("config", "홈페이지 상세관리", G5_ADMIN_URL . "/config_form.php",  true, 1000, "\F3E5", 0);
 $menu["config"]->getLastAddedMenu()->addSubFile("/config_form_update.php");
 
-if (Community::isInitCommunity()) {
+if ($config["cf_community"] && Community::isInitCommunity()) {
   $menu["config"]->addChildMenu("config", "메인슬라이드 관리", G5_ADMIN_URL . "/banner_list.php", true, 700, "\F66D", 0);
   $menu["config"]->getLastAddedMenu()->addSubFile("/banner_form.php");
 
diff --git a/AvocadoAmber/adm/_gnb.001.member.menu.php b/AvocadoAmber/adm/_gnb.001.member.menu.php
index 1454906..7ac431e 100644
--- a/AvocadoAmber/adm/_gnb.001.member.menu.php
+++ b/AvocadoAmber/adm/_gnb.001.member.menu.php
@@ -43,7 +43,7 @@ $menu["member"]->getLastAddedMenu()->addSubFile("/visit_year.php");
 $menu["member"]->addChildMenu("member", "투표관리", G5_ADMIN_URL . "/poll_list.php",  true, 500, "\F5F9", 0);
 $menu["member"]->getLastAddedMenu()->addSubFile("/poll_form.php");
 
-if (Community::isInitCommunity()) {
+if ($config["cf_community"] && Community::isInitCommunity()) {
   $menu["member"]->addChildMenu("member", "접속자검색", G5_ADMIN_URL . "/visit_search.php", true, 300, "\F52A", 0);
   $menu["member"]->getLastAddedMenu()->addSubFile("/visit_delete_update.php");
 
diff --git a/AvocadoAmber/adm/_gnb.002.content.menu.php b/AvocadoAmber/adm/_gnb.002.content.menu.php
index bec48ac..64e77e8 100644
--- a/AvocadoAmber/adm/_gnb.002.content.menu.php
+++ b/AvocadoAmber/adm/_gnb.002.content.menu.php
@@ -47,7 +47,7 @@ $menu["content"]->addChildMenu("content", "이모티콘 관리", G5_ADMIN_URL .
 $menu["content"]->getLastAddedMenu()->addSubFile("/emoticon_list_update.php");
 $menu["content"]->getLastAddedMenu()->addSubFile("/emoticon_form_update.php");
 
-if (Community::isInitCommunity()) {
+if ($config["cf_community"] && Community::isInitCommunity()) {
   $menu["content"]->addChildMenu("content", "인기 검색어 관리", G5_ADMIN_URL . "/popular_list.php",  true, 110, "\F52A", 0);
   $menu["content"]->addChildMenu("content", "인기 검색어 순위", G5_ADMIN_URL . "/popular_rank.php",  true, 120, "\F52A", 0);
 
diff --git a/AvocadoAmber/adm/_gnb.004.community.menu.php b/AvocadoAmber/adm/_gnb.004.community.menu.php
index 48407dd..4a085a9 100644
--- a/AvocadoAmber/adm/_gnb.004.community.menu.php
+++ b/AvocadoAmber/adm/_gnb.004.community.menu.php
@@ -22,7 +22,7 @@ $menu["community"]->getLastAddedMenu()->addSubFile("/{your_subfile_name}.php");
 if (!isset($menu["community"])) {
   $menu["community"] = new MenuCategory("community", "community", "커뮤니티 설정", "", true, 400, "", 0);
 
-  if (Community::isInitCommunity()) {
+  if ($config["cf_community"] && Community::isInitCommunity()) {
     $menu["character"] = new MenuCategory("community", "community", "캐릭터 관리", "", true, 401, "", 0);
     $menu["item"] = new MenuCategory("community", "community", "아이템 관리", "", true, 402, "", 0);
   }
@@ -30,7 +30,7 @@ if (!isset($menu["community"])) {
 
 $menu["community"]->addChildMenu("community", "커뮤니티 설정", G5_ADMIN_URL . "/community_form.php", true, 0, "\F3B3", 0);
 
-if (Community::isInitCommunity()) {
+if ($config["cf_community"] && Community::isInitCommunity()) {
   $menu["community"]->addChildMenu("community", "프로필 양식 관리", G5_ADMIN_URL . "/character_article_list.php", true, 100, "\F3B7", 0);
 
   $menu["item"]->addChildMenu("item", "상점 관리", G5_ADMIN_URL . "/shop_list.php", true, 0, "\F184", 0);
diff --git a/AvocadoAmber/adm/community_form.php b/AvocadoAmber/adm/community_form.php
index e766fd6..521bb8e 100644
--- a/AvocadoAmber/adm/community_form.php
+++ b/AvocadoAmber/adm/community_form.php
@@ -23,7 +23,7 @@ $frm_submit = '<div class="list_confirm">
 
 $is_community_init = Community::isInitCommunity();
 
-if (!$is_community_init) {
+if (!$config["cf_community"] || !$is_community_init) {
   $pg_anchor = '<ul class="anchor">
     <li><a href="#anc_001">DB확인</a></li>
   </ul>';
@@ -40,7 +40,7 @@ if (!$is_community_init) {
 <form name="fconfigform" id="fconfigform" method="post" onsubmit="return fconfigform_submit(this);"
   enctype="multipart/form-data">
   <input type="hidden" name="token" value="" id="token">
-  <?php if(!$is_community_init) { ?>
+  <?php if(!$config["cf_community"] || !$is_community_init) { ?>
   <section id="anc_001">
     <h2 class="h2_frm">커뮤니티 DB 확인</h2>
     <?php echo $pg_anchor ?>
@@ -67,9 +67,16 @@ if (!$is_community_init) {
           ?>
         </tbody>
       </table>
+      <?php if (!$is_community_init) {?>
       <div class="list_confirm">
         <a href="./_create_community_db.php">DB TABLE 생성</a>
       </div>
+      <?php } ?>
+      <?php if (!$config["cf_community"]) {?>
+        <div class="local_desc02 local_desc">
+          <p>현재 커뮤니티 기능 사용 설정이 미사용으로 되어 있어 설정이 출력되지 않습니다.</p>
+        </div>
+      <?php } ?>
     </div>
   </section>
   <?php } else {?>
diff --git a/AvocadoAmber/adm/site_config_form.php b/AvocadoAmber/adm/site_config_form.php
index 7abe519..4f094ad 100644
--- a/AvocadoAmber/adm/site_config_form.php
+++ b/AvocadoAmber/adm/site_config_form.php
@@ -1,206 +1,225 @@
 <?php
 include_once "./_common.php";
 
+function config_exists($key, $not_exists_callback, $exists_callback = null)
+{
+  global $config;
+
+  if (!isset($config[$key])) {
+    $not_exists_callback();
+  } else {
+    if (isset($exists_callback)) {
+      $exists_callback();
+    }
+  }
+}
+
 auth_check($auth[$sub_menu], 'r');
 
 if ($is_admin != 'super')
   alert('최고관리자만 접근 가능합니다.');
 
+config_exists("cf_use_http", function () use ($g5) {
+  sql_query("ALTER TABLE `{$g5['config_table']}` ADD `cf_use_http` INT(11) NOT NULL DEFAULT '0' AFTER `cf_10` ", true);
+});
 
-if (!isset($config['cf_use_http'])) {
-  sql_query(" ALTER TABLE `{$g5['config_table']}`
-          ADD `cf_use_http` INT(11) NOT NULL DEFAULT '0' AFTER `cf_10` ", true);
-}
+config_exists("cf_add_script", function () use ($g5) {
+  sql_query("ALTER TABLE `{$g5['config_table']}` ADD `cf_add_script` TEXT NOT NULL AFTER `cf_admin_email_name` ", true);
+});
 
-if (!isset($config['cf_add_script'])) {
-  sql_query(" ALTER TABLE `{$g5['config_table']}`
-          ADD `cf_add_script` TEXT NOT NULL AFTER `cf_admin_email_name` ", true);
-}
+config_exists("cf_mobile_new_skin", function () use ($g5) {
+  sql_query("ALTER TABLE `{$g5['config_table']}`
+    ADD `cf_mobile_new_skin` VARCHAR(255) NOT NULL AFTER `cf_memo_send_point`,
+    ADD `cf_mobile_search_skin` VARCHAR(255) NOT NULL AFTER `cf_mobile_new_skin`,
+    ADD `cf_mobile_connect_skin` VARCHAR(255) NOT NULL AFTER `cf_mobile_search_skin`,
+    ADD `cf_mobile_member_skin` VARCHAR(255) NOT NULL AFTER `cf_mobile_connect_skin` ", true);
+});
 
-if (!isset($config['cf_mobile_new_skin'])) {
-  sql_query(" ALTER TABLE `{$g5['config_table']}`
-          ADD `cf_mobile_new_skin` VARCHAR(255) NOT NULL AFTER `cf_memo_send_point`,
-          ADD `cf_mobile_search_skin` VARCHAR(255) NOT NULL AFTER `cf_mobile_new_skin`,
-          ADD `cf_mobile_connect_skin` VARCHAR(255) NOT NULL AFTER `cf_mobile_search_skin`,
-          ADD `cf_mobile_member_skin` VARCHAR(255) NOT NULL AFTER `cf_mobile_connect_skin` ", true);
-}
+// migrate older captcha
+config_exists("cf_gcaptcha_mp3", function () {
+  // currently here is empty
+}, function () use ($g5) {
+  sql_query("ALTER TABLE `{$g5['config_table']}` CHANGE `cf_gcaptcha_mp3` `cf_captcha_mp3` VARCHAR(255) NOT NULL DEFAULT '' ", true);
+});
 
-if (isset($config['cf_gcaptcha_mp3'])) {
-  sql_query(" ALTER TABLE `{$g5['config_table']}`
-          CHANGE `cf_gcaptcha_mp3` `cf_captcha_mp3` VARCHAR(255) NOT NULL DEFAULT '' ", true);
-} else if (!isset($config['cf_captcha_mp3'])) {
-  sql_query(" ALTER TABLE `{$g5['config_table']}`
-          ADD `cf_captcha_mp3` VARCHAR(255) NOT NULL DEFAULT '' AFTER `cf_mobile_member_skin` ", true);
-}
+config_exists("cf_captcha_mp3", function () use ($g5) {
+  sql_query("ALTER TABLE `{$g5['config_table']}` ADD `cf_captcha_mp3` VARCHAR(255) NOT NULL DEFAULT '' AFTER `cf_mobile_member_skin` ", true);
+});
 
-if (!isset($config['cf_editor'])) {
-  sql_query(" ALTER TABLE `{$g5['config_table']}`
-          ADD `cf_editor` VARCHAR(255) NOT NULL DEFAULT '' AFTER `cf_captcha_mp3` ", true);
-}
+config_exists("cf_editor", function () use ($g5) {
+  sql_query("ALTER TABLE `{$g5['config_table']}`
+    ADD `cf_editor` VARCHAR(255) NOT NULL DEFAULT '' AFTER `cf_captcha_mp3` ", true);
+});
 
-if (!isset($config['cf_googl_shorturl_apikey'])) {
-  sql_query(" ALTER TABLE `{$g5['config_table']}`
-          ADD `cf_googl_shorturl_apikey` VARCHAR(255) NOT NULL DEFAULT '' AFTER `cf_captcha_mp3` ", true);
-}
+config_exists("cf_googl_shorturl_apikey", function () use ($g5) {
+  sql_query("ALTER TABLE `{$g5['config_table']}`
+    ADD `cf_googl_shorturl_apikey` VARCHAR(255) NOT NULL DEFAULT '' AFTER `cf_captcha_mp3` ", true);
+});
 
-if (!isset($config['cf_mobile_pages'])) {
-  sql_query(" ALTER TABLE `{$g5['config_table']}`
-          ADD `cf_mobile_pages` INT(11) NOT NULL DEFAULT '0' AFTER `cf_write_pages` ", true);
+config_exists("cf_mobile_pages", function () use ($g5) {
+  sql_query("ALTER TABLE `{$g5['config_table']}`
+    ADD `cf_mobile_pages` INT(11) NOT NULL DEFAULT '0' AFTER `cf_write_pages` ", true);
   sql_query("UPDATE `{$g5['config_table']}` SET cf_mobile_pages = '5' ", true);
-}
+});
 
-if (!isset($config['cf_facebook_appid'])) {
-  sql_query(" ALTER TABLE `{$g5['config_table']}`
-          ADD `cf_facebook_appid` VARCHAR(255) NOT NULL AFTER `cf_googl_shorturl_apikey`,
-          ADD `cf_facebook_secret` VARCHAR(255) NOT NULL AFTER `cf_facebook_appid`,
-          ADD `cf_twitter_key` VARCHAR(255) NOT NULL AFTER `cf_facebook_secret`,
-          ADD `cf_twitter_secret` VARCHAR(255) NOT NULL AFTER `cf_twitter_key` ", true);
-}
+config_exists("cf_facebook_appid", function () use ($g5) {
+  sql_query("ALTER TABLE `{$g5['config_table']}`
+    ADD `cf_facebook_appid` VARCHAR(255) NOT NULL AFTER `cf_googl_shorturl_apikey`,
+    ADD `cf_facebook_secret` VARCHAR(255) NOT NULL AFTER `cf_facebook_appid`,
+    ADD `cf_twitter_key` VARCHAR(255) NOT NULL AFTER `cf_facebook_secret`,
+    ADD `cf_twitter_secret` VARCHAR(255) NOT NULL AFTER `cf_twitter_key` ", true);
+});
 
 // uniqid 테이블이 없을 경우 생성
-if (!sql_query(" DESC {$g5['uniqid_table']} ", false)) {
+if (!sql_table_exists($g5['uniqid_table'])) {
   sql_query(" CREATE TABLE IF NOT EXISTS `{$g5['uniqid_table']}` (
-          `uq_id` bigint(20) unsigned NOT NULL,
-          `uq_ip` varchar(255) NOT NULL,
-          PRIMARY KEY (`uq_id`)
-        ) ", false);
+    `uq_id` bigint(20) unsigned NOT NULL,
+    `uq_ip` varchar(255) NOT NULL,
+    PRIMARY KEY (`uq_id`)
+  ) ", false);
 }
 
 if (!sql_query("SELECT uq_ip FROM {$g5['uniqid_table']} limit 1 ", false)) {
-  sql_query(" ALTER TABLE {$g5['uniqid_table']} ADD `uq_ip` VARCHAR(255) NOT NULL ");
+  sql_query("ALTER TABLE {$g5['uniqid_table']} ADD `uq_ip` VARCHAR(255) NOT NULL ");
 }
 
 // 임시저장 테이블이 없을 경우 생성
-if (!sql_query(" DESC {$g5['autosave_table']} ", false)) {
+if (!sql_table_exists($g5['autosave_table'])) {
   sql_query(" CREATE TABLE IF NOT EXISTS `{$g5['autosave_table']}` (
-          `as_id` int(11) NOT NULL AUTO_INCREMENT,
-          `mb_id` varchar(20) NOT NULL,
-          `as_uid` bigint(20) unsigned NOT NULL,
-          `as_subject` varchar(255) NOT NULL,
-          `as_content` text NOT NULL,
-          `as_datetime` datetime NOT NULL,
-          PRIMARY KEY (`as_id`),
-          UNIQUE KEY `as_uid` (`as_uid`),
-          KEY `mb_id` (`mb_id`)
-        ) ", false);
+    `as_id` int(11) NOT NULL AUTO_INCREMENT,
+    `mb_id` varchar(20) NOT NULL,
+    `as_uid` bigint(20) unsigned NOT NULL,
+    `as_subject` varchar(255) NOT NULL,
+    `as_content` text NOT NULL,
+    `as_datetime` datetime NOT NULL,
+    PRIMARY KEY (`as_id`),
+    UNIQUE KEY `as_uid` (`as_uid`),
+    KEY `mb_id` (`mb_id`)
+  ) ", false);
 }
 
-if (!isset($config['cf_admin_email'])) {
-  sql_query(" ALTER TABLE `{$g5['config_table']}`
-          ADD `cf_admin_email` VARCHAR(255) NOT NULL AFTER `cf_admin` ", true);
-}
+config_exists("cf_admin_email", function () use ($g5) {
+  sql_query("ALTER TABLE `{$g5['config_table']}`
+    ADD `cf_admin_email` VARCHAR(255) NOT NULL AFTER `cf_admin` ", true);
+});
 
-if (!isset($config['cf_admin_email_name'])) {
-  sql_query(" ALTER TABLE `{$g5['config_table']}`
-          ADD `cf_admin_email_name` VARCHAR(255) NOT NULL AFTER `cf_admin_email` ", true);
-}
+config_exists("cf_admin_email_name", function () use ($g5) {
+  sql_query("ALTER TABLE `{$g5['config_table']}`
+    ADD `cf_admin_email_name` VARCHAR(255) NOT NULL AFTER `cf_admin_email` ", true);
+});
 
-if (!isset($config['cf_cert_use'])) {
-  sql_query(" ALTER TABLE `{$g5['config_table']}`
-          ADD `cf_cert_use` TINYINT(4) NOT NULL DEFAULT '0' AFTER `cf_editor`,
-          ADD `cf_cert_ipin` VARCHAR(255) NOT NULL DEFAULT '' AFTER `cf_cert_use`,
-          ADD `cf_cert_hp` VARCHAR(255) NOT NULL DEFAULT '' AFTER `cf_cert_ipin`,
-          ADD `cf_cert_kcb_cd` VARCHAR(255) NOT NULL DEFAULT '' AFTER `cf_cert_hp`,
-          ADD `cf_cert_kcp_cd` VARCHAR(255) NOT NULL DEFAULT '' AFTER `cf_cert_kcb_cd`,
-          ADD `cf_cert_limit` INT(11) NOT NULL DEFAULT '0' AFTER `cf_cert_kcp_cd` ", true);
-  sql_query(" ALTER TABLE `{$g5['member_table']}`
-          CHANGE `mb_hp_certify` `mb_certify` VARCHAR(20) NOT NULL DEFAULT '' ", true);
+config_exists("cf_cert_use", function () use ($g5) {
+  sql_query("ALTER TABLE `{$g5['config_table']}`
+    ADD `cf_cert_use` TINYINT(4) NOT NULL DEFAULT '0' AFTER `cf_editor`,
+    ADD `cf_cert_ipin` VARCHAR(255) NOT NULL DEFAULT '' AFTER `cf_cert_use`,
+    ADD `cf_cert_hp` VARCHAR(255) NOT NULL DEFAULT '' AFTER `cf_cert_ipin`,
+    ADD `cf_cert_kcb_cd` VARCHAR(255) NOT NULL DEFAULT '' AFTER `cf_cert_hp`,
+    ADD `cf_cert_kcp_cd` VARCHAR(255) NOT NULL DEFAULT '' AFTER `cf_cert_kcb_cd`,
+    ADD `cf_cert_limit` INT(11) NOT NULL DEFAULT '0' AFTER `cf_cert_kcp_cd` ", true);
+  sql_query("ALTER TABLE `{$g5['member_table']}`
+    CHANGE `mb_hp_certify` `mb_certify` VARCHAR(20) NOT NULL DEFAULT '' ", true);
   sql_query("UPDATE {$g5['member_table']} SET mb_certify = 'hp' where mb_certify = '1' ");
   sql_query("UPDATE {$g5['member_table']} SET mb_certify = '' where mb_certify = '0' ");
   sql_query(" CREATE TABLE IF NOT EXISTS `{$g5['cert_history_table']}` (
-          `cr_id` int(11) NOT NULL auto_increment,
-          `mb_id` varchar(255) NOT NULL DEFAULT '',
-          `cr_company` varchar(255) NOT NULL DEFAULT '',
-          `cr_method` varchar(255) NOT NULL DEFAULT '',
-          `cr_ip` varchar(255) NOT NULL DEFAULT '',
-          `cr_date` date NOT NULL DEFAULT '0000-00-00',
-          `cr_time` time NOT NULL DEFAULT '00:00:00',
-          PRIMARY KEY (`cr_id`),
-          KEY `mb_id` (`mb_id`)
-        )", true);
-}
+    `cr_id` int(11) NOT NULL auto_increment,
+    `mb_id` varchar(255) NOT NULL DEFAULT '',
+    `cr_company` varchar(255) NOT NULL DEFAULT '',
+    `cr_method` varchar(255) NOT NULL DEFAULT '',
+    `cr_ip` varchar(255) NOT NULL DEFAULT '',
+    `cr_date` date NOT NULL DEFAULT '0000-00-00',
+    `cr_time` time NOT NULL DEFAULT '00:00:00',
+    PRIMARY KEY (`cr_id`),
+    KEY `mb_id` (`mb_id`)
+  )", true);
+});
 
-if (!isset($config['cf_analytics'])) {
-  sql_query(" ALTER TABLE `{$g5['config_table']}`
-          ADD `cf_analytics` TEXT NOT NULL AFTER `cf_intercept_ip` ", true);
-}
+config_exists("cf_analytics", function () use ($g5) {
+  sql_query("ALTER TABLE `{$g5['config_table']}`
+    ADD `cf_analytics` TEXT NOT NULL AFTER `cf_intercept_ip` ", true);
+});
 
-if (!isset($config['cf_add_meta'])) {
-  sql_query(" ALTER TABLE `{$g5['config_table']}`
-          ADD `cf_add_meta` TEXT NOT NULL AFTER `cf_analytics` ", true);
-}
+config_exists("cf_add_meta", function () use ($g5) {
+  sql_query("ALTER TABLE `{$g5['config_table']}`
+    ADD `cf_add_meta` TEXT NOT NULL AFTER `cf_analytics` ", true);
+});
 
-if (!isset($config['cf_syndi_token'])) {
-  sql_query(" ALTER TABLE `{$g5['config_table']}`
-          ADD `cf_syndi_token` VARCHAR(255) NOT NULL AFTER `cf_add_meta` ", true);
-}
+config_exists("cf_syndi_token", function () use ($g5) {
+  sql_query("ALTER TABLE `{$g5['config_table']}`
+    ADD `cf_syndi_token` VARCHAR(255) NOT NULL AFTER `cf_add_meta` ", true);
+});
 
-if (!isset($config['cf_syndi_except'])) {
-  sql_query(" ALTER TABLE `{$g5['config_table']}`
-          ADD `cf_syndi_except` TEXT NOT NULL AFTER `cf_syndi_token` ", true);
-}
+config_exists("cf_syndi_except", function () use ($g5) {
+  sql_query("ALTER TABLE `{$g5['config_table']}`
+    ADD `cf_syndi_except` TEXT NOT NULL AFTER `cf_syndi_token` ", true);
+});
 
-if (!isset($config['cf_sms_use'])) {
-  sql_query(" ALTER TABLE `{$g5['config_table']}`
-          ADD `cf_sms_use` varchar(255) NOT NULL DEFAULT '' AFTER `cf_cert_limit`,
-          ADD `cf_icode_id` varchar(255) NOT NULL DEFAULT '' AFTER `cf_sms_use`,
-          ADD `cf_icode_pw` varchar(255) NOT NULL DEFAULT '' AFTER `cf_icode_id`,
-          ADD `cf_icode_server_ip` varchar(255) NOT NULL DEFAULT '' AFTER `cf_icode_pw`,
-          ADD `cf_icode_server_port` varchar(255) NOT NULL DEFAULT '' AFTER `cf_icode_server_ip` ", true);
-}
+config_exists("cf_sms_use", function () use ($g5) {
+  sql_query("ALTER TABLE `{$g5['config_table']}`
+    ADD `cf_sms_use` varchar(255) NOT NULL DEFAULT '' AFTER `cf_cert_limit`,
+    ADD `cf_icode_id` varchar(255) NOT NULL DEFAULT '' AFTER `cf_sms_use`,
+    ADD `cf_icode_pw` varchar(255) NOT NULL DEFAULT '' AFTER `cf_icode_id`,
+    ADD `cf_icode_server_ip` varchar(255) NOT NULL DEFAULT '' AFTER `cf_icode_pw`,
+    ADD `cf_icode_server_port` varchar(255) NOT NULL DEFAULT '' AFTER `cf_icode_server_ip` ", true);
+});
 
-if (!isset($config['cf_mobile_page_rows'])) {
-  sql_query(" ALTER TABLE `{$g5['config_table']}`
-          ADD `cf_mobile_page_rows` int(11) NOT NULL DEFAULT '0' AFTER `cf_page_rows` ", true);
-}
+config_exists("cf_mobile_page_rows", function () use ($g5) {
+  sql_query("ALTER TABLE `{$g5['config_table']}`
+    ADD `cf_mobile_page_rows` int(11) NOT NULL DEFAULT '0' AFTER `cf_page_rows` ", true);
+});
 
-if (!isset($config['cf_cert_req'])) {
-  sql_query(" ALTER TABLE `{$g5['config_table']}`
-          ADD `cf_cert_req` tinyint(4) NOT NULL DEFAULT '0' AFTER `cf_cert_limit` ", true);
-}
+config_exists("cf_cert_req", function () use ($g5) {
+  sql_query("ALTER TABLE `{$g5['config_table']}`
+    ADD `cf_cert_req` tinyint(4) NOT NULL DEFAULT '0' AFTER `cf_cert_limit` ", true);
+});
 
-if (!isset($config['cf_faq_skin'])) {
-  sql_query(" ALTER TABLE `{$g5['config_table']}`
-          ADD `cf_faq_skin` varchar(255) NOT NULL DEFAULT '' AFTER `cf_connect_skin`,
-          ADD `cf_mobile_faq_skin` varchar(255) NOT NULL DEFAULT '' AFTER `cf_mobile_connect_skin` ", true);
-}
+config_exists("cf_faq_skin", function () use ($g5) {
+  sql_query("ALTER TABLE `{$g5['config_table']}`
+    ADD `cf_faq_skin` varchar(255) NOT NULL DEFAULT '' AFTER `cf_connect_skin`,
+    ADD `cf_mobile_faq_skin` varchar(255) NOT NULL DEFAULT '' AFTER `cf_mobile_connect_skin` ", true);
+});
 
-// LG유플러스 본인확인 필드 추가
-if (!isset($config['cf_lg_mid'])) {
-  sql_query(" ALTER TABLE `{$g5['config_table']}`
-          ADD `cf_lg_mid` varchar(255) NOT NULL DEFAULT '' AFTER `cf_cert_kcp_cd`,
-          ADD `cf_lg_mert_key` varchar(255) NOT NULL DEFAULT '' AFTER `cf_lg_mid` ", true);
-}
+config_exists("cf_lg_mid", function () use ($g5) {
+  // LG유플러스 본인확인 필드 추가
+  sql_query("ALTER TABLE `{$g5['config_table']}`
+    ADD `cf_lg_mid` varchar(255) NOT NULL DEFAULT '' AFTER `cf_cert_kcp_cd`,
+    ADD `cf_lg_mert_key` varchar(255) NOT NULL DEFAULT '' AFTER `cf_lg_mid` ", true);
+});
 
-if (!isset($config['cf_optimize_date'])) {
-  sql_query(" ALTER TABLE `{$g5['config_table']}`
-          ADD `cf_optimize_date` date NOT NULL default '0000-00-00' AFTER `cf_popular_del` ", true);
-}
+config_exists("cf_optimize_date", function () use ($g5) {
+  sql_query("ALTER TABLE `{$g5['config_table']}`
+    ADD `cf_optimize_date` date NOT NULL default '1970-01-01' AFTER `cf_popular_del` ", true);
+});
 
-// 카카오톡링크 api 키
-if (!isset($config['cf_kakao_js_apikey'])) {
-  sql_query(" ALTER TABLE `{$g5['config_table']}`
-          ADD `cf_kakao_js_apikey` varchar(255) NOT NULL DEFAULT '' AFTER `cf_googl_shorturl_apikey` ", true);
-}
+config_exists("cf_kakao_js_apikey", function () use ($g5) {
+  // 카카오톡링크 api 키
+  sql_query("ALTER TABLE `{$g5['config_table']}`
+    ADD `cf_kakao_js_apikey` varchar(255) NOT NULL DEFAULT '' AFTER `cf_googl_shorturl_apikey` ", true);
+});
 
-// SMS 전송유형 필드 추가
-if (!isset($config['cf_sms_type'])) {
-  sql_query(" ALTER TABLE `{$g5['config_table']}`
-          ADD `cf_sms_type` varchar(10) NOT NULL DEFAULT '' AFTER `cf_sms_use` ", true);
-}
+config_exists("cf_sms_type", function () use ($g5) {
+  // SMS 전송유형 필드 추가
+  sql_query("ALTER TABLE `{$g5['config_table']}`
+    ADD `cf_sms_type` varchar(10) NOT NULL DEFAULT '' AFTER `cf_sms_use` ", true);
+});
 
-// 커서 등록 추가
-if (!isset($config['cf_cursor'])) {
-  sql_query(" ALTER TABLE `{$g5['config_table']}`
-          ADD `cf_cursor` varchar(255) NOT NULL DEFAULT '' AFTER `cf_sms_use` ", true);
-}
+config_exists("cf_cursor", function () use ($g5) {
+  // 커서 등록 추가
+  sql_query("ALTER TABLE `{$g5['config_table']}`
+    ADD `cf_cursor` varchar(255) NOT NULL DEFAULT '' AFTER `cf_sms_use` ", true);
+});
+
+config_exists("cf_community", function () use ($g5) {
+  // add community config
+  sql_query("ALTER TABLE `{$g5['config_table']}`
+    ADD `cf_community` TINYINT(4) NOT NULL DEFAULT '0' AFTER `cf_rank_name` ", true);
+});
 
 // 접속자 정보 필드 추가
 if (!sql_query("SELECT vi_browser FROM {$g5['visit_table']} limit 1 ")) {
-  sql_query(" ALTER TABLE `{$g5['visit_table']}`
-          ADD `vi_browser` varchar(255) NOT NULL DEFAULT '' AFTER `vi_agent`,
-          ADD `vi_os` varchar(255) NOT NULL DEFAULT '' AFTER `vi_browser`,
-          ADD `vi_device` varchar(255) NOT NULL DEFAULT '' AFTER `vi_os` ", true);
+  sql_query("ALTER TABLE `{$g5['visit_table']}`
+    ADD `vi_browser` varchar(255) NOT NULL DEFAULT '' AFTER `vi_agent`,
+    ADD `vi_os` varchar(255) NOT NULL DEFAULT '' AFTER `vi_browser`,
+    ADD `vi_device` varchar(255) NOT NULL DEFAULT '' AFTER `vi_os` ", true);
 }
 
 if (!$config['cf_faq_skin'])
@@ -226,29 +245,25 @@ if ($config['cf_sms_use'] && $config['cf_icode_id'] && $config['cf_icode_pw']) {
   $userinfo = get_icode_userinfo($config['cf_icode_id'], $config['cf_icode_pw']);
 }
 ?>
-
 <form name="fconfigform" id="fconfigform" method="post" onsubmit="return fconfigform_submit(this);"
   enctype="multipart/form-data">
   <input type="hidden" name="token" value="" id="token">
-
   <div class="btn_confirm">
     <div class="btn">
       <span class="material-icons">save</span>
       <input type="submit" value="저장" class="btn_submit" accesskey="s">
     </div>
   </div>
-
   <section id="anc_001">
     <h2 class="h2_frm">홈페이지 기본환경 설정</h2>
     <?php echo $pg_anchor ?>
-
     <div class="tbl_frm01 tbl_wrap">
       <table>
         <caption>홈페이지 기본환경 설정</caption>
         <colgroup>
-          <col style="width:150px;">
-          <col style="width:400px;">
-          <col style="width:150px;">
+          <col class="grid_4">
+          <col class="grid_10">
+          <col class="grid_4">
           <col>
         </colgroup>
         <tbody>
@@ -266,13 +281,22 @@ if ($config['cf_sms_use'] && $config['cf_icode_id'] && $config['cf_icode_pw']) {
           </tr>
           <tr>
             <th scope="row">홈페이지 제목</th>
-            <td><input type="text" name="cf_title" value="<?php echo $config['cf_title'] ?>" id="cf_title" required
-                class="required" size="40"></td>
+            <td>
+              <input type="text" name="cf_title" value="<?php echo $config['cf_title'] ?>" id="cf_title" required
+                class="required" size="40">
+            </td>
             <th>사이트설명</th>
             <td>
               <input type="text" name="cf_site_descript" value="<?php echo $config['cf_site_descript'] ?>" size="50" />
             </td>
           </tr>
+          <tr>
+            <th>커뮤니티 기능 사용</th>
+            <td colspan="3">
+              <?php echo help('데이터베이스를 설정했더라도 사용하지 않음 상태인 경우 관련 메뉴가 출력되지 않습니다.') ?>
+              <input type="checkbox" name="cf_community" value="1" id="cf_community" <?php echo $config['cf_community'] ? 'checked' : ''; ?>>
+            </td>
+          </tr>
           <tr>
             <th>파비콘</th>
             <td colspan="3">
@@ -301,7 +325,6 @@ if ($config['cf_sms_use'] && $config['cf_icode_id'] && $config['cf_icode_pw']) {
               외부경로&nbsp;&nbsp; <input type="text" name="cf_site_img" value="<?= $config['cf_site_img'] ?>" size="50" />
             </td>
           </tr>
-
           <tr>
             <th scope="row"><label for="site_back">배경음악</label></th>
             <td colspan="3">
@@ -337,23 +360,20 @@ if ($config['cf_sms_use'] && $config['cf_icode_id'] && $config['cf_icode_pw']) {
       </table>
     </div>
   </section>
-
   <?php echo $frm_submit; ?>
-
   <section id="anc_002">
     <h2 class="h2_frm">게시판/회원 기본 설정</h2>
     <?php echo $pg_anchor ?>
     <div class="local_desc02 local_desc">
       <p>각 게시판 관리에서 개별적으로 설정 가능합니다.</p>
     </div>
-
     <div class="tbl_frm01 tbl_wrap">
       <table>
         <caption>게시판 기본 설정</caption>
         <colgroup>
-          <col style="width:150px;">
-          <col style="width:400px;">
-          <col style="width:150px;">
+          <col class="grid_4">
+          <col class="grid_10">
+          <col class="grid_4">
           <col>
         </colgroup>
         <tbody>
@@ -372,7 +392,6 @@ if ($config['cf_sms_use'] && $config['cf_icode_id'] && $config['cf_icode_pw']) {
               </select>
             </td>
           </tr>
-
           <tr>
             <th scope="row"><label for="cf_filter">단어 필터링</label></th>
             <td colspan="3">
@@ -393,7 +412,6 @@ if ($config['cf_sms_use'] && $config['cf_icode_id'] && $config['cf_icode_pw']) {
             <td colspan="3"><input type="text" name="cf_leave_day" value="<?php echo $config['cf_leave_day'] ?>"
                 id="cf_leave_day" class="frm_input" size="2"> 일 후 자동 삭제</td>
           </tr>
-
           <tr>
             <th scope="row"><label for="cf_prohibit_id">아이디,닉네임 금지단어</label></th>
             <td colspan="3">
@@ -406,11 +424,8 @@ if ($config['cf_sms_use'] && $config['cf_icode_id'] && $config['cf_icode_pw']) {
       </table>
     </div>
   </section>
-
   <?php echo $frm_submit; ?>
-
 </form>
-
 <script>
   function fconfigform_submit(f) {
     f.action = "./site_config_form_update.php";
diff --git a/AvocadoAmber/adm/site_config_form_update.php b/AvocadoAmber/adm/site_config_form_update.php
index 6999740..90294d3 100644
--- a/AvocadoAmber/adm/site_config_form_update.php
+++ b/AvocadoAmber/adm/site_config_form_update.php
@@ -62,6 +62,7 @@ $sql = " update {$g5['config_table']}
         cf_bgm              = '{$_POST['cf_bgm']}',
         cf_possible_ip      = '" . trim($_POST['cf_possible_ip']) . "',
         cf_intercept_ip     = '" . trim($_POST['cf_intercept_ip']) . "',
+        cf_community        = '{$_POST['cf_community']}',
         
         cf_delay_sec        = '{$_POST['cf_delay_sec']}',
         cf_link_target      = '{$_POST['cf_link_target']}',
diff --git a/AvocadoAmber/install/gnuboard5.sql b/AvocadoAmber/install/gnuboard5.sql
index 52ed554..d4014bf 100644
--- a/AvocadoAmber/install/gnuboard5.sql
+++ b/AvocadoAmber/install/gnuboard5.sql
@@ -414,6 +414,7 @@ CREATE TABLE IF NOT EXISTS `avo_config` (
   `cf_exp_name` varchar(255) NOT NULL DEFAULT '',
   `cf_exp_pice` varchar(255) NOT NULL DEFAULT '',
   `cf_rank_name` varchar(255) NOT NULL DEFAULT '',
+  `cf_community` tinyint(4) NOT NULL DEFAULT '0',
   `cf_1` varchar(255) NOT NULL DEFAULT '',
   `cf_2` varchar(255) NOT NULL DEFAULT '',
   `cf_3` varchar(255) NOT NULL DEFAULT '',