diff --git a/adm/member_form.php b/adm/member_form.php
index 8110124ef..749360281 100644
--- a/adm/member_form.php
+++ b/adm/member_form.php
@@ -80,6 +80,12 @@ if ($mb['mb_open']) {
     $open_no_checked = 'checked="checked"';
 }
 
+if(!isset($mb['mb_adult'])) {
+    sql_query(" ALTER TABLE `{$g4['member_table']}`
+                    ADD `mb_adult` ENUM('Y', 'N') NOT NULL DEFAULT 'N' AFTER `mb_birth`,
+                    ADD `mb_hp_certify` DATETIME NOT NULL DEFAULT '0000-00-00 00:00:00' AFTER `mb_lost_certify` ", FALSE);
+}
+
 if ($mb['mb_intercept_date']) $g4['title'] = "차단된 ";
 else $g4['title'] .= "";
 $g4['title'] .= '회원 '.$html_title;
diff --git a/install/gnuboard4s.sql b/install/gnuboard4s.sql
index 59abce82d..cd15b9c22 100644
--- a/install/gnuboard4s.sql
+++ b/install/gnuboard4s.sql
@@ -392,6 +392,7 @@ CREATE TABLE IF NOT EXISTS `g4s_member` (
   `mb_jumin` varchar(255) NOT NULL default '',
   `mb_sex` char(1) NOT NULL default '',
   `mb_birth` varchar(255) NOT NULL default '',
+  `mb_adult` enum('Y','N') NOT NULL default 'N',
   `mb_tel` varchar(255) NOT NULL default '',
   `mb_hp` varchar(255) NOT NULL default '',
   `mb_zip1` char(3) NOT NULL default '',