diff --git a/adm/config_form.php b/adm/config_form.php
index 0433353c1..1c019aca9 100644
--- a/adm/config_form.php
+++ b/adm/config_form.php
@@ -25,9 +25,14 @@ if (!isset($config['cf_mobile_new_skin'])) {
                     ADD `cf_mobile_member_skin` VARCHAR(255) NOT NULL AFTER `cf_mobile_connect_skin` ", true);
 }
 
+if(!isset($config['cf_kcpcert_site_cd'])) {
+    sql_query(" ALTER TABLE `{$g4['config_table']}`
+                    ADD `cf_kcpcert_site_cd` VARCHAR(255) NOT NULL DEFAULT '' AFTER `cf_memo_send_point` ", TRUE);
+}
+
 if(!isset($config['cf_adult_check'])) {
     sql_query(" ALTER TABLE `{$g4['config_table']}`
-                    ADD `cf_adult_check` TINYINT(4) NOT NULL DEFAULT '0' AFTER `cf_memo_send_point` ", TRUE);
+                    ADD `cf_adult_check` TINYINT(4) NOT NULL DEFAULT '0' AFTER `cf_kcpcert_site_cd` ", TRUE);
 }
 
 if(!isset($config['cf_mobile_pages'])) {
@@ -429,11 +434,13 @@ $pg_anchor = "
         <td><input type="text" id="cf_register_point" name="cf_register_point" class="frm_input" value="<?=$config['cf_register_point']?>" size="5"> 점</td>
     </tr>
     <tr>
-        <th scope='row' id="th310"><label for='cf_adult_check'>성인인증 사용</label></th>
-        <td colspan="3"><input type="checkbox" id="cf_adult_check" name="cf_adult_check" value="1" <?=$config['cf_adult_check']?'checked':'';?>> 사용</td>
+        <th scope="row"><label for="cf_kcpcert_site_cd">KCP 사이트코드</label></th>
+        <td><input type="text" id="cf_kcpcert_site_cd" name="cf_kcpcert_site_cd" class="frm_input" value="<?=$config['cf_kcpcert_site_cd']?>" size="10"></td>
+        <th scope="row"><label for='cf_adult_check'>성인인증 사용</label></th>
+        <td><input type="checkbox" id="cf_adult_check" name="cf_adult_check" value="1" <?=$config['cf_adult_check']?'checked':'';?>> 사용</td>
     </tr>
     <tr>
-        <th scope='row' id="th310"><label for='cf_leave_day'>회원탈퇴후 삭제일</label></th>
+        <th scope="row" id="th310"><label for='cf_leave_day'>회원탈퇴후 삭제일</label></th>
         <td colspan="3"><input type="text" id="cf_leave_day" name="cf_leave_day" class="frm_input" value="<?=$config['cf_leave_day']?>" size="2"> 일 후 자동 삭제</td>
     </tr>
     <tr>
diff --git a/adm/config_form_update.php b/adm/config_form_update.php
index a2dbfe816..68ffda47f 100644
--- a/adm/config_form_update.php
+++ b/adm/config_form_update.php
@@ -104,6 +104,7 @@ $sql = " update {$g4['config_table']}
                  cf_mobile_search_skin = '{$_POST['cf_mobile_search_skin']}',
                  cf_mobile_connect_skin = '{$_POST['cf_mobile_connect_skin']}',
                  cf_mobile_member_skin = '{$_POST['cf_mobile_member_skin']}',
+                 cf_kcpcert_site_cd = '{$_POST['cf_kcpcert_site_cd']}',
                  cf_adult_check = '{$_POST['cf_adult_check']}',
                  cf_1_subj = '{$_POST['cf_1_subj']}',
                  cf_2_subj = '{$_POST['cf_2_subj']}',
diff --git a/bbs/kcp/kcpcert_config.php b/bbs/kcp/kcpcert_config.php
index cfe5280da..a3a8e4405 100644
--- a/bbs/kcp/kcpcert_config.php
+++ b/bbs/kcp/kcpcert_config.php
@@ -8,18 +8,16 @@ $home_dir = G4_BBS_PATH.'/kcp'; // ct_cli 절대경로 ( bin 전까지 )
 //web_siteid 값이 없으면 KCP 에서 지정한 값으로 설정됨
 $web_siteid = '';
 
-$kcpcert_test = true;
-
-if($kcpcert_test) { // 테스트
+if($config['cf_kcpcert_site_cd'] && $config['cf_kcpcert_site_cd'] != 'S6186') { // 실인증
+    $site_cd = $config['cf_kcpcert_site_cd'];
+    $cert_url = 'https://cert.kcp.co.kr/kcp_cert/cert_view.jsp';
+} else { // 테스트인증
     $site_cd = 'S6186';
     $cert_url = 'https://testcert.kcp.co.kr/kcp_cert/cert_view.jsp';
-} else { // 실인증
-    $site_cd = '';
-    $cert_url = 'https://cert.kcp.co.kr/kcp_cert/cert_view.jsp';
 }
 
 if(!$site_cd)
-    alert('KCP 휴대폰인증 사이트코드가 없습니다.', G4_URL);
+    alert('KCP 휴대폰인증 사이트코드가 없습니다.\\관리자 > 기본환경설정에 사이트코드를 입력해 주십시오.', G4_URL);
 
 // KCP 인증 라이브러리
 require G4_BBS_PATH.'/kcp/lib/ct_cli_lib.php';
diff --git a/install/gnuboard4s.sql b/install/gnuboard4s.sql
index f04ac4026..707607f67 100644
--- a/install/gnuboard4s.sql
+++ b/install/gnuboard4s.sql
@@ -266,6 +266,7 @@ CREATE TABLE IF NOT EXISTS `g4s_config` (
   `cf_privacy` text NOT NULL,
   `cf_open_modify` int(11) NOT NULL default '0',
   `cf_memo_send_point` int(11) NOT NULL default '0',
+  `cf_kcpcert_site_cd` varchar(255) NOT NULL default '',
   `cf_adult_check` tinyint(4) NOT NULL default '0',
   `cf_1_subj` varchar(255) NOT NULL default '',
   `cf_2_subj` varchar(255) NOT NULL default '',