diff --git a/_common.php b/_common.php
index fecd45f7..da8c3bcb 100644
--- a/_common.php
+++ b/_common.php
@@ -2,8 +2,8 @@
 if(!defined('ROOT')){
     define('ROOT', '.');
 }
-require_once(ROOT.'/f_config/config.php');
-require_once(ROOT.W.F_CONFIG.W.APP.PHP);
-require_once(ROOT.W.F_FUNC.W.FUNC.PHP);
+require(ROOT.'/f_config/config.php');
+require(ROOT.W.F_CONFIG.W.APP.PHP);
+require(ROOT.W.F_FUNC.W.FUNC.PHP);
 
 CustomHeader();
diff --git a/f_config/DBS.php b/f_config/DBS.php
index 6f95263f..225af9d7 100644
--- a/f_config/DBS.php
+++ b/f_config/DBS.php
@@ -1,7 +1,7 @@
 <?php
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._DB.php');
-require_once(ROOT.W.F_CONFIG.W.'SETTINGS'.PHP);
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._DB.php');
+require(ROOT.W.F_CONFIG.W.'SETTINGS'.PHP);
 
 for($i=0; $i < $_serverCount; $i++) {
     if(!$SETTINGS[$i]->IsExist()) {
diff --git a/f_config/MAIL.php b/f_config/MAIL.php
index 9ababf2d..31f3bb61 100644
--- a/f_config/MAIL.php
+++ b/f_config/MAIL.php
@@ -1,7 +1,7 @@
 <?php
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._Mail.php');
-require_once(ROOT.W.F_CONFIG.W.SETTING.PHP);
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._Mail.php');
+require(ROOT.W.F_CONFIG.W.SETTING.PHP);
 
 if($SETTING->IsExist()) {
     $MAIL = new _Mail($SETTING->MailHost(), $SETTING->MailPort(), $SETTING->MailId(), $SETTING->MailPw(), $SETTING->MailAddr());
diff --git a/f_config/SESSION.php b/f_config/SESSION.php
index 2a50f81f..c31257b0 100644
--- a/f_config/SESSION.php
+++ b/f_config/SESSION.php
@@ -1,6 +1,6 @@
 <?php
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._Session.php');
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._Session.php');
 
 $SESSION = new _Session();
 
diff --git a/f_config/SETTING.php b/f_config/SETTING.php
index 31d4665f..be742b2a 100644
--- a/f_config/SETTING.php
+++ b/f_config/SETTING.php
@@ -1,6 +1,6 @@
 <?php
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._Setting.php');
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._Setting.php');
 
 $SETTING = new _Setting(ROOT.W.D_SETTING.W.SET.PHP);
 
diff --git a/f_config/SETTINGS.php b/f_config/SETTINGS.php
index f1e91f30..e7241c99 100644
--- a/f_config/SETTINGS.php
+++ b/f_config/SETTINGS.php
@@ -1,6 +1,6 @@
 <?php
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._Setting.php');
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._Setting.php');
 
 $i = 0;
 foreach($_serverDirs as $serverDir) {
diff --git a/f_func/_common.php b/f_func/_common.php
index b25b4786..7b86fa95 100644
--- a/f_func/_common.php
+++ b/f_func/_common.php
@@ -2,9 +2,9 @@
 if(!defined('ROOT')){
     define('ROOT', '..');
 }
-require_once(ROOT.'/f_config/config.php');
-require_once(ROOT.W.F_CONFIG.W.APP.PHP);
-require_once(ROOT.W.F_FUNC.W.FUNC.PHP);
+require(ROOT.'/f_config/config.php');
+require(ROOT.W.F_CONFIG.W.APP.PHP);
+require(ROOT.W.F_FUNC.W.FUNC.PHP);
 
 CustomHeader();
 
diff --git a/f_func/class._Chat.php b/f_func/class._Chat.php
index 1ada9fc6..5e2800c5 100644
--- a/f_func/class._Chat.php
+++ b/f_func/class._Chat.php
@@ -1,8 +1,8 @@
 <?php
-require_once('_common.php');
-require_once(ROOT.'/f_config/config.php');
-require_once(ROOT.W.F_FUNC.W.'class._DB.php');
-require_once(ROOT.W.F_FUNC.W.'class._JSON.php');
+require('_common.php');
+require(ROOT.'/f_config/config.php');
+require(ROOT.W.F_FUNC.W.'class._DB.php');
+require(ROOT.W.F_FUNC.W.'class._JSON.php');
 
 class _Chat {
     public static function SetChat($type, $name, $msg) {
diff --git a/f_func/class._DB.php b/f_func/class._DB.php
index 3b7bc593..f0841acc 100644
--- a/f_func/class._DB.php
+++ b/f_func/class._DB.php
@@ -1,6 +1,6 @@
 <?php
-require_once('_common.php');
-require_once(ROOT.W.E_LIB.W.'adodb5/adodb.inc.php');
+require('_common.php');
+require(ROOT.W.E_LIB.W.'adodb5/adodb.inc.php');
 
 class _DB {
     private $objDB;
diff --git a/f_func/class._Lock.php b/f_func/class._Lock.php
index ac6e5bc4..bb3a8097 100644
--- a/f_func/class._Lock.php
+++ b/f_func/class._Lock.php
@@ -1,6 +1,6 @@
 <?php
-require_once('_common.php');
-require_once(ROOT.'/f_config/config.php');
+require('_common.php');
+require(ROOT.'/f_config/config.php');
 
 class _Lock {
     private static $l = ROOT.W.'lock.txt';
diff --git a/f_func/class._Log.php b/f_func/class._Log.php
index 6c3b8bec..9adb3b7b 100644
--- a/f_func/class._Log.php
+++ b/f_func/class._Log.php
@@ -1,9 +1,9 @@
 <?php
 
-require_once('_common.php');
-require_once(ROOT.'/f_config/config.php');
-require_once(ROOT.W.F_FUNC.W.'class._DB.php');
-require_once(ROOT.W.F_FUNC.W.'class._JSON.php');
+require('_common.php');
+require(ROOT.'/f_config/config.php');
+require(ROOT.W.F_FUNC.W.'class._DB.php');
+require(ROOT.W.F_FUNC.W.'class._JSON.php');
 
 class _Log {
     private static $flagLog = true;
diff --git a/f_func/class._Mail.php b/f_func/class._Mail.php
index 9d218d20..73534ed7 100644
--- a/f_func/class._Mail.php
+++ b/f_func/class._Mail.php
@@ -1,6 +1,6 @@
 <?php
-require_once('_common.php');
-require_once(ROOT.W.E_LIB.W.'phpmailer5/class.phpmailer.php');
+require('_common.php');
+require(ROOT.W.E_LIB.W.'phpmailer5/class.phpmailer.php');
 
 class _Mail {
     private $objMail;
diff --git a/f_func/class._Process.php b/f_func/class._Process.php
index 035845a5..d329907e 100644
--- a/f_func/class._Process.php
+++ b/f_func/class._Process.php
@@ -1,7 +1,7 @@
 <?php
-require_once('_common.php');
-require_once(ROOT.'/f_config/config.php');
-require_once(ROOT.W.F_FUNC.W.'class._Lock.php');
+require('_common.php');
+require(ROOT.'/f_config/config.php');
+require(ROOT.W.F_FUNC.W.'class._Lock.php');
 
 class _Process {
     private static $mutexLog = false;
diff --git a/f_func/class._Setting.php b/f_func/class._Setting.php
index 5cf3d1ce..bd5c91c0 100644
--- a/f_func/class._Setting.php
+++ b/f_func/class._Setting.php
@@ -1,6 +1,6 @@
 <?php
-require_once('_common.php');
-require_once(ROOT.'/f_config/config.php');
+require('_common.php');
+require(ROOT.'/f_config/config.php');
 
 class _Setting {
     private $settingFile;
diff --git a/f_func/class._Validation.php b/f_func/class._Validation.php
index dbf4e7da..f3b61355 100644
--- a/f_func/class._Validation.php
+++ b/f_func/class._Validation.php
@@ -1,5 +1,5 @@
 <?php
-require_once(ROOT.W.F_FUNC.W.'class._String.php');
+require(ROOT.W.F_FUNC.W.'class._String.php');
 
 class _Validation {
     public static function CheckID($id) {
diff --git a/f_install/_common.php b/f_install/_common.php
index b25b4786..7b86fa95 100644
--- a/f_install/_common.php
+++ b/f_install/_common.php
@@ -2,9 +2,9 @@
 if(!defined('ROOT')){
     define('ROOT', '..');
 }
-require_once(ROOT.'/f_config/config.php');
-require_once(ROOT.W.F_CONFIG.W.APP.PHP);
-require_once(ROOT.W.F_FUNC.W.FUNC.PHP);
+require(ROOT.'/f_config/config.php');
+require(ROOT.W.F_CONFIG.W.APP.PHP);
+require(ROOT.W.F_FUNC.W.FUNC.PHP);
 
 CustomHeader();
 
diff --git a/f_install/install.php b/f_install/install.php
index 41f7aa81..f23d286f 100644
--- a/f_install/install.php
+++ b/f_install/install.php
@@ -1,5 +1,5 @@
 <?php
-require_once('_common.php');
+require('_common.php');
 ?>
 
 <!DOCTYPE html>
diff --git a/f_install/install1.php b/f_install/install1.php
index 5eed4764..20331bca 100644
--- a/f_install/install1.php
+++ b/f_install/install1.php
@@ -1,5 +1,5 @@
 <?php
-require_once('_common.php');
+require('_common.php');
 
 if(file_exists(ROOT.W.D_SETTING.W.SET.PHP)) ErrorToScreen('이미 설치되어 있습니다. 재설치하려면 설정 파일을 지우세요.');
 if(fileperms(ROOT.W.D_SETTING.W) != 040707 && fileperms(ROOT.W.D_SETTING.W) != 040777) ErrorToScreen('설정 디렉토리 권한을 707 또는 777로 설정해주세요.');
diff --git a/f_install/install1Post.php b/f_install/install1Post.php
index f025ec74..507f9696 100644
--- a/f_install/install1Post.php
+++ b/f_install/install1Post.php
@@ -10,9 +10,9 @@ $mailId = $_POST['mailId'];
 $mailPw = $_POST['mailPw'];
 $mailAddr = $_POST['mailAddr'];
 
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._DB.php');
-require_once(ROOT.W.F_FUNC.W.'class._String.php');
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._DB.php');
+require(ROOT.W.F_FUNC.W.'class._String.php');
 
 if(file_exists(ROOT.W.D_SETTING.W.SET.PHP)) ErrorToScreen('이미 설치되어 있습니다. 재설치하려면 설정 파일을 지우세요.');
 if(fileperms(ROOT.W.D_SETTING.W) != 040707 && fileperms(ROOT.W.D_SETTING.W) != 040777) ErrorToScreen('설정 디렉토리 권한을 707 또는 777로 설정해주세요.');
diff --git a/f_install/install2.php b/f_install/install2.php
index 5f8c6c09..d68fcfff 100644
--- a/f_install/install2.php
+++ b/f_install/install2.php
@@ -1,5 +1,5 @@
 <?php
-require_once('_common.php');
+require('_common.php');
 ?>
 
 <!DOCTYPE html>
diff --git a/f_install/install2Post.php b/f_install/install2Post.php
index 99579b67..92a789d2 100644
--- a/f_install/install2Post.php
+++ b/f_install/install2Post.php
@@ -4,9 +4,9 @@ $id = $_POST['id'];
 $pw = $_POST['pw'];
 $pw = md5($pw.$pw);
 
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._Time.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._Time.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
 
 // 시스템정보 1개 등록
 $DB->InsertArray('SYSTEM', array(
diff --git a/f_retrival/_common.php b/f_retrival/_common.php
index 9ed1eefa..96d7af6e 100644
--- a/f_retrival/_common.php
+++ b/f_retrival/_common.php
@@ -2,9 +2,9 @@
 if(!defined('ROOT')){
     define('ROOT', '.');
 }
-require_once(ROOT.'/f_config/config.php');
-require_once(ROOT.W.F_CONFIG.W.APP.PHP);
-require_once(ROOT.W.F_FUNC.W.FUNC.PHP);
+require(ROOT.'/f_config/config.php');
+require(ROOT.W.F_CONFIG.W.APP.PHP);
+require(ROOT.W.F_FUNC.W.FUNC.PHP);
 
 CustomHeader();
 
diff --git a/i_entrance/Frame.php b/i_entrance/Frame.php
index 106f7193..4a80fa1e 100644
--- a/i_entrance/Frame.php
+++ b/i_entrance/Frame.php
@@ -1,7 +1,7 @@
 <?php
-require_once('_common.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
-require_once(ROOT.W.F_CONFIG.W.SESSION.PHP);
+require('_common.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
+require(ROOT.W.F_CONFIG.W.SESSION.PHP);
 
 $rs = $DB->Select('NOTICE', 'SYSTEM', "NO='1'");
 $system = $DB->Get($rs);
diff --git a/i_entrance/_common.php b/i_entrance/_common.php
index f57670c9..9df83991 100644
--- a/i_entrance/_common.php
+++ b/i_entrance/_common.php
@@ -3,9 +3,9 @@ if(!defined('ROOT')){
     define('ROOT', '..');
 }
 
-require_once(ROOT.'/f_config/config.php');
-require_once(ROOT.W.F_CONFIG.W.APP.PHP);
-require_once(ROOT.W.F_FUNC.W.FUNC.PHP);
+require(ROOT.'/f_config/config.php');
+require(ROOT.W.F_CONFIG.W.APP.PHP);
+require(ROOT.W.F_FUNC.W.FUNC.PHP);
 
 CustomHeader();
 
diff --git a/i_entrance/adminInc.php b/i_entrance/adminInc.php
index 9fb243e1..6492a9c8 100644
--- a/i_entrance/adminInc.php
+++ b/i_entrance/adminInc.php
@@ -1,7 +1,7 @@
 <?php
 // 외부 파라미터
 
-require_once('_common.php');
+require('_common.php');
 
 ?>
 
diff --git a/i_entrance/adminPost.php b/i_entrance/adminPost.php
index b0249781..584c1510 100644
--- a/i_entrance/adminPost.php
+++ b/i_entrance/adminPost.php
@@ -5,11 +5,12 @@
 // $_POST['server'] : 서버 인덱스
 // $_POST['select'] : 0: 폐쇄, 1: 리셋, 2: 오픈
 
-require_once('_common.php');
-require_once(ROOT.W.E_LIB.W.'util.php');
-require_once(ROOT.W.F_FUNC.W.'class._JSON.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
-require_once(ROOT.W.F_CONFIG.W.SESSION.PHP);
+require('_common.php');
+require(ROOT.W.E_LIB.W.'util.php');
+require(ROOT.W.E_LIB.W.'util.php');
+require(ROOT.W.F_FUNC.W.'class._JSON.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
+require(ROOT.W.F_CONFIG.W.SESSION.PHP);
 
 function escapeIPv4($ip){
     return str_replace('.', '\\.', $ip);
diff --git a/i_entrance/donation/Frame.php b/i_entrance/donation/Frame.php
index f7d5a032..c2bcae56 100644
--- a/i_entrance/donation/Frame.php
+++ b/i_entrance/donation/Frame.php
@@ -1,5 +1,5 @@
 <?php
-require_once('_common.php');
+require('_common.php');
 ?>
 
 <script type="text/javascript">
diff --git a/i_entrance/donation/Get.php b/i_entrance/donation/Get.php
index 629556b8..67e98472 100644
--- a/i_entrance/donation/Get.php
+++ b/i_entrance/donation/Get.php
@@ -1,11 +1,11 @@
 <?php
 // 외부 파라미터
 
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._JSON.php');
-require_once(ROOT.W.F_FUNC.W.'class._Time.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
-require_once(ROOT.W.F_CONFIG.W.SESSION.PHP);
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._JSON.php');
+require(ROOT.W.F_FUNC.W.'class._Time.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
+require(ROOT.W.F_CONFIG.W.SESSION.PHP);
 
 $rs = $DB->Select('GRADE', 'MEMBER', "NO='{$SESSION->NoMember()}'");
 $member = $DB->Get($rs);
diff --git a/i_entrance/donation/Post.php b/i_entrance/donation/Post.php
index 7a4293cd..0de15b9b 100644
--- a/i_entrance/donation/Post.php
+++ b/i_entrance/donation/Post.php
@@ -13,10 +13,10 @@ $rname = $_POST['rname'];
 $subname = $_POST['subname'];
 $amount = $_POST['amount'];
 
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._JSON.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
-require_once(ROOT.W.F_CONFIG.W.SESSION.PHP);
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._JSON.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
+require(ROOT.W.F_CONFIG.W.SESSION.PHP);
 
 $rs = $DB->Select('GRADE', 'MEMBER', "NO='{$SESSION->NoMember()}'");
 $member = $DB->Get($rs);
diff --git a/i_entrance/donation/_common.php b/i_entrance/donation/_common.php
index d7a78a7b..d6e0c78a 100644
--- a/i_entrance/donation/_common.php
+++ b/i_entrance/donation/_common.php
@@ -2,9 +2,9 @@
 if(!defined('ROOT')){
     define('ROOT', '../..');
 }
-require_once(ROOT.'/f_config/config.php');
-require_once(ROOT.W.F_CONFIG.W.APP.PHP);
-require_once(ROOT.W.F_FUNC.W.FUNC.PHP);
+require(ROOT.'/f_config/config.php');
+require(ROOT.W.F_CONFIG.W.APP.PHP);
+require(ROOT.W.F_FUNC.W.FUNC.PHP);
 
 CustomHeader();
 
diff --git a/i_entrance/donation/calculatePost.php b/i_entrance/donation/calculatePost.php
index 2970d44e..0b666fd5 100644
--- a/i_entrance/donation/calculatePost.php
+++ b/i_entrance/donation/calculatePost.php
@@ -1,10 +1,10 @@
 <?php
 // 외부 파라미터
 
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._JSON.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
-require_once(ROOT.W.F_CONFIG.W.SESSION.PHP);
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._JSON.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
+require(ROOT.W.F_CONFIG.W.SESSION.PHP);
 
 $rs = $DB->Select('GRADE', 'MEMBER', "NO='{$SESSION->NoMember()}'");
 $member = $DB->Get($rs);
diff --git a/i_entrance/enterPost.php b/i_entrance/enterPost.php
index 10e785b4..ea1a0fe3 100644
--- a/i_entrance/enterPost.php
+++ b/i_entrance/enterPost.php
@@ -3,10 +3,10 @@
 // $_POST['serverDir'] : 로그인할 서버 디렉토리
 $serverDir = $_POST['serverDir'];
 
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._JSON.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
-require_once(ROOT.W.F_CONFIG.W.SESSION.PHP);
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._JSON.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
+require(ROOT.W.F_CONFIG.W.SESSION.PHP);
 
 $rs = $DB->Select('ID, PW, CONMSG', 'MEMBER', "NO='{$SESSION->NoMember()}'");
 $member = $DB->Get($rs);
diff --git a/i_entrance/entrance.php b/i_entrance/entrance.php
index a976ccc2..8143d53c 100644
--- a/i_entrance/entrance.php
+++ b/i_entrance/entrance.php
@@ -1,6 +1,6 @@
 <?php
-require_once('_common.php');
-require_once(ROOT.W.F_CONFIG.W.SESSION.PHP);
+require('_common.php');
+require(ROOT.W.F_CONFIG.W.SESSION.PHP);
 ?>
 
 <!DOCTYPE html>
diff --git a/i_entrance/logoutPost.php b/i_entrance/logoutPost.php
index 990d48c8..1af9c33d 100644
--- a/i_entrance/logoutPost.php
+++ b/i_entrance/logoutPost.php
@@ -1,10 +1,10 @@
 <?php
 // 외부 파라미터
 
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._JSON.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
-require_once(ROOT.W.F_CONFIG.W.SESSION.PHP);
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._JSON.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
+require(ROOT.W.F_CONFIG.W.SESSION.PHP);
 
 $SESSION->Logout();
 
diff --git a/i_entrance/manage/Frame.php b/i_entrance/manage/Frame.php
index 321545b8..bbfcecac 100644
--- a/i_entrance/manage/Frame.php
+++ b/i_entrance/manage/Frame.php
@@ -1,5 +1,5 @@
 <?php
-require_once('_common.php');
+require('_common.php');
 ?>
 
 <div id="EntranceManage_00" class="bg0">
diff --git a/i_entrance/manage/Get.php b/i_entrance/manage/Get.php
index 104ae490..5bf88452 100644
--- a/i_entrance/manage/Get.php
+++ b/i_entrance/manage/Get.php
@@ -1,10 +1,10 @@
 <?php
 // 외부 파라미터
 
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._JSON.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
-require_once(ROOT.W.F_CONFIG.W.SESSION.PHP);
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._JSON.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
+require(ROOT.W.F_CONFIG.W.SESSION.PHP);
 
 $rs = $DB->Select('ID, NAME, GRADE, PICTURE', 'MEMBER', "NO='{$SESSION->NoMember()}'");
 $member = $DB->Get($rs);
diff --git a/i_entrance/manage/_common.php b/i_entrance/manage/_common.php
index d7a78a7b..d6e0c78a 100644
--- a/i_entrance/manage/_common.php
+++ b/i_entrance/manage/_common.php
@@ -2,9 +2,9 @@
 if(!defined('ROOT')){
     define('ROOT', '../..');
 }
-require_once(ROOT.'/f_config/config.php');
-require_once(ROOT.W.F_CONFIG.W.APP.PHP);
-require_once(ROOT.W.F_FUNC.W.FUNC.PHP);
+require(ROOT.'/f_config/config.php');
+require(ROOT.W.F_CONFIG.W.APP.PHP);
+require(ROOT.W.F_FUNC.W.FUNC.PHP);
 
 CustomHeader();
 
diff --git a/i_entrance/manage/deletePost.php b/i_entrance/manage/deletePost.php
index aa08f78c..ecb593f9 100644
--- a/i_entrance/manage/deletePost.php
+++ b/i_entrance/manage/deletePost.php
@@ -1,12 +1,12 @@
 <?php
 // 외부 파라미터
 
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._JSON.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
-require_once(ROOT.W.F_CONFIG.W.'DBS'.PHP);
-require_once(ROOT.W.F_CONFIG.W.SETTINGS.PHP);
-require_once(ROOT.W.F_CONFIG.W.SESSION.PHP);
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._JSON.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
+require(ROOT.W.F_CONFIG.W.'DBS'.PHP);
+require(ROOT.W.F_CONFIG.W.SETTINGS.PHP);
+require(ROOT.W.F_CONFIG.W.SESSION.PHP);
 
 $dest = ROOT.W.D."pic/pic_{$SESSION->NoMember()}.jpg";
 
diff --git a/i_entrance/manage/iconPost.php b/i_entrance/manage/iconPost.php
index a77e3e20..61484d6a 100644
--- a/i_entrance/manage/iconPost.php
+++ b/i_entrance/manage/iconPost.php
@@ -2,11 +2,11 @@
 // 외부 파라미터
 // $_FILES['picture'] : 사진파일
 
-require_once('_common.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
-require_once(ROOT.W.F_CONFIG.W.'DBS'.PHP);
-require_once(ROOT.W.F_CONFIG.W.SETTINGS.PHP);
-require_once(ROOT.W.F_CONFIG.W.SESSION.PHP);
+require('_common.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
+require(ROOT.W.F_CONFIG.W.'DBS'.PHP);
+require(ROOT.W.F_CONFIG.W.SETTINGS.PHP);
+require(ROOT.W.F_CONFIG.W.SESSION.PHP);
 
 $image = $_FILES['picture'];
 $ext = strrchr($image['name'], ".");
diff --git a/i_entrance/manage/passwordPost.php b/i_entrance/manage/passwordPost.php
index b0715c75..60d40426 100644
--- a/i_entrance/manage/passwordPost.php
+++ b/i_entrance/manage/passwordPost.php
@@ -5,12 +5,12 @@
 $pw = $_POST['pw'];
 $newPw = $_POST['newPw'];
 
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._JSON.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
-require_once(ROOT.W.F_CONFIG.W.'DBS'.PHP);
-require_once(ROOT.W.F_CONFIG.W.SETTINGS.PHP);
-require_once(ROOT.W.F_CONFIG.W.SESSION.PHP);
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._JSON.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
+require(ROOT.W.F_CONFIG.W.'DBS'.PHP);
+require(ROOT.W.F_CONFIG.W.SETTINGS.PHP);
+require(ROOT.W.F_CONFIG.W.SESSION.PHP);
 
 $response['result'] = 'FAIL';
 
diff --git a/i_entrance/manage/quitPost.php b/i_entrance/manage/quitPost.php
index d3e1f51f..a4b5fd27 100644
--- a/i_entrance/manage/quitPost.php
+++ b/i_entrance/manage/quitPost.php
@@ -3,11 +3,11 @@
 // $_POST['pw'] : PW
 $pw = $_POST['pw'];
 
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._JSON.php');
-require_once(ROOT.W.F_FUNC.W.'class._Time.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
-require_once(ROOT.W.F_CONFIG.W.SESSION.PHP);
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._JSON.php');
+require(ROOT.W.F_FUNC.W.'class._Time.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
+require(ROOT.W.F_CONFIG.W.SESSION.PHP);
 
 $response['result'] = 'FAIL';
 
diff --git a/i_entrance/member/Frame.php b/i_entrance/member/Frame.php
index 33f4756d..27374a69 100644
--- a/i_entrance/member/Frame.php
+++ b/i_entrance/member/Frame.php
@@ -1,5 +1,5 @@
 <?php
-require_once('_common.php');
+require('_common.php');
 ?>
 
 <script type="text/javascript">
diff --git a/i_entrance/member/Get.php b/i_entrance/member/Get.php
index be0b8477..ad7c79af 100644
--- a/i_entrance/member/Get.php
+++ b/i_entrance/member/Get.php
@@ -3,10 +3,10 @@
 // $_GET['select'] : 정렬선택
 $select = $_GET['select'];
 
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._JSON.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
-require_once(ROOT.W.F_CONFIG.W.SESSION.PHP);
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._JSON.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
+require(ROOT.W.F_CONFIG.W.SESSION.PHP);
 
 $rs = $DB->Select('GRADE', 'MEMBER', "NO='{$SESSION->NoMember()}'");
 $member = $DB->Get($rs);
diff --git a/i_entrance/member/Post.php b/i_entrance/member/Post.php
index 5f751122..20f68091 100644
--- a/i_entrance/member/Post.php
+++ b/i_entrance/member/Post.php
@@ -5,12 +5,12 @@
 $select = $_POST['select'];
 $no = $_POST['no'];
 
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._JSON.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
-require_once(ROOT.W.F_CONFIG.W.'DBS'.PHP);
-require_once(ROOT.W.F_CONFIG.W.SETTINGS.PHP);
-require_once(ROOT.W.F_CONFIG.W.SESSION.PHP);
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._JSON.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
+require(ROOT.W.F_CONFIG.W.'DBS'.PHP);
+require(ROOT.W.F_CONFIG.W.SETTINGS.PHP);
+require(ROOT.W.F_CONFIG.W.SESSION.PHP);
 
 $rs = $DB->Select('GRADE', 'MEMBER', "NO='{$SESSION->NoMember()}'");
 $member = $DB->Get($rs);
diff --git a/i_entrance/member/_common.php b/i_entrance/member/_common.php
index d7a78a7b..d6e0c78a 100644
--- a/i_entrance/member/_common.php
+++ b/i_entrance/member/_common.php
@@ -2,9 +2,9 @@
 if(!defined('ROOT')){
     define('ROOT', '../..');
 }
-require_once(ROOT.'/f_config/config.php');
-require_once(ROOT.W.F_CONFIG.W.APP.PHP);
-require_once(ROOT.W.F_FUNC.W.FUNC.PHP);
+require(ROOT.'/f_config/config.php');
+require(ROOT.W.F_CONFIG.W.APP.PHP);
+require(ROOT.W.F_FUNC.W.FUNC.PHP);
 
 CustomHeader();
 
diff --git a/i_entrance/serverListPost.php b/i_entrance/serverListPost.php
index f6d8f2a3..e450a21e 100644
--- a/i_entrance/serverListPost.php
+++ b/i_entrance/serverListPost.php
@@ -1,12 +1,12 @@
 <?php
 // 외부 파라미터
 
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._JSON.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
-require_once(ROOT.W.F_CONFIG.W.DBS.PHP);
-require_once(ROOT.W.F_CONFIG.W.SETTINGS.PHP);
-require_once(ROOT.W.F_CONFIG.W.SESSION.PHP);
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._JSON.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
+require(ROOT.W.F_CONFIG.W.DBS.PHP);
+require(ROOT.W.F_CONFIG.W.SETTINGS.PHP);
+require(ROOT.W.F_CONFIG.W.SESSION.PHP);
 
 $rs = $DB->Select('ID, GRADE', 'MEMBER', "NO='{$SESSION->NoMember()}'");
 $member = $DB->Get($rs);
diff --git a/i_entrance/template/.htaccess b/i_entrance/template/.htaccess
index 698196ae..3edf5e27 100644
--- a/i_entrance/template/.htaccess
+++ b/i_entrance/template/.htaccess
@@ -1 +1 @@
-Deny from  all
\ No newline at end of file
+Deny from  all
diff --git a/i_entrance/template/block_htaccess.php b/i_entrance/template/block_htaccess.php
index 2d485c81..35ba862d 100644
--- a/i_entrance/template/block_htaccess.php
+++ b/i_entrance/template/block_htaccess.php
@@ -1,2 +1,4 @@
 Deny from  all
-Allow from 192.168.0.40
\ No newline at end of file
+SetEnvIf X-Forwarded-For ^192\.168\.0\.1 env_allow_1
+Allow from env=env_allow_1
+Allow from 192.168.0.1
\ No newline at end of file
diff --git a/i_login/Frame.php b/i_login/Frame.php
index 89b4addb..9450ce30 100644
--- a/i_login/Frame.php
+++ b/i_login/Frame.php
@@ -1,6 +1,6 @@
 <?php
-require_once('_common.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
+require('_common.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
 
 $rs = $DB->Select('REG, LOGIN', 'SYSTEM', "NO='1'");
 $system = $DB->Get($rs);
diff --git a/i_login/Post.php b/i_login/Post.php
index 6043d352..0e456102 100644
--- a/i_login/Post.php
+++ b/i_login/Post.php
@@ -7,11 +7,11 @@ $id = $_POST['id'];
 $pw = $_POST['pw'];
 $conmsg = $_POST['conmsg'];
 
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._JSON.php');
-require_once(ROOT.W.F_FUNC.W.'class._Session.php');
-require_once(ROOT.W.F_FUNC.W.'class._String.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._JSON.php');
+require(ROOT.W.F_FUNC.W.'class._Session.php');
+require(ROOT.W.F_FUNC.W.'class._String.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
 
 $id = _String::NoSpecialCharacter($id);
 $pw = substr($pw, 0, 32);
diff --git a/i_login/_common.php b/i_login/_common.php
index b25b4786..7b86fa95 100644
--- a/i_login/_common.php
+++ b/i_login/_common.php
@@ -2,9 +2,9 @@
 if(!defined('ROOT')){
     define('ROOT', '..');
 }
-require_once(ROOT.'/f_config/config.php');
-require_once(ROOT.W.F_CONFIG.W.APP.PHP);
-require_once(ROOT.W.F_FUNC.W.FUNC.PHP);
+require(ROOT.'/f_config/config.php');
+require(ROOT.W.F_CONFIG.W.APP.PHP);
+require(ROOT.W.F_FUNC.W.FUNC.PHP);
 
 CustomHeader();
 
diff --git a/i_login/findpw/Frame.php b/i_login/findpw/Frame.php
index 1714e53b..6cf61974 100644
--- a/i_login/findpw/Frame.php
+++ b/i_login/findpw/Frame.php
@@ -1,5 +1,5 @@
 <?php
-require_once('_common.php');
+require('_common.php');
 ?>
 
 <div id="LoginFindpw_00" class="bg0">
diff --git a/i_login/findpw/Get.php b/i_login/findpw/Get.php
index 4f3cb3e5..36f1806c 100644
--- a/i_login/findpw/Get.php
+++ b/i_login/findpw/Get.php
@@ -1,7 +1,7 @@
 <?php
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._JSON.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._JSON.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
 
 $rs = $DB->Select('COUNT(*) AS CNT', 'MEMBER');
 
diff --git a/i_login/findpw/Post.php b/i_login/findpw/Post.php
index 9e80a86e..8161fc44 100644
--- a/i_login/findpw/Post.php
+++ b/i_login/findpw/Post.php
@@ -10,12 +10,12 @@ $pid2 = $_POST['pid2'];
 $pid = $_POST['pid1'].'-'.substr($_POST['pid2'],0,1).'-'.md5($_POST['pid2']);
 $email = $_POST['email'];
 
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._JSON.php');
-require_once(ROOT.W.F_FUNC.W.'class._Time.php');
-require_once(ROOT.W.F_FUNC.W.'class._String.php');
-require_once(ROOT.W.F_FUNC.W.'class._Validation.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._JSON.php');
+require(ROOT.W.F_FUNC.W.'class._Time.php');
+require(ROOT.W.F_FUNC.W.'class._String.php');
+require(ROOT.W.F_FUNC.W.'class._Validation.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
 
 $response['result'] = 'FAIL';
 $err = _Validation::CheckID($id);
diff --git a/i_login/findpw/_common.php b/i_login/findpw/_common.php
index d7a78a7b..d6e0c78a 100644
--- a/i_login/findpw/_common.php
+++ b/i_login/findpw/_common.php
@@ -2,9 +2,9 @@
 if(!defined('ROOT')){
     define('ROOT', '../..');
 }
-require_once(ROOT.'/f_config/config.php');
-require_once(ROOT.W.F_CONFIG.W.APP.PHP);
-require_once(ROOT.W.F_FUNC.W.FUNC.PHP);
+require(ROOT.'/f_config/config.php');
+require(ROOT.W.F_CONFIG.W.APP.PHP);
+require(ROOT.W.F_FUNC.W.FUNC.PHP);
 
 CustomHeader();
 
diff --git a/i_login/findpw/checkPost.php b/i_login/findpw/checkPost.php
index 630abcb1..6a4ecd6d 100644
--- a/i_login/findpw/checkPost.php
+++ b/i_login/findpw/checkPost.php
@@ -12,11 +12,11 @@ $pid2 = $_POST['pid2'];
 $pid = $_POST['pid1'].'-'.substr($_POST['pid2'],0,1).'-'.md5($_POST['pid2']);
 $email = $_POST['email'];
 
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._JSON.php');
-require_once(ROOT.W.F_FUNC.W.'class._String.php');
-require_once(ROOT.W.F_FUNC.W.'class._Validation.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._JSON.php');
+require(ROOT.W.F_FUNC.W.'class._String.php');
+require(ROOT.W.F_FUNC.W.'class._Validation.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
 
 $response['type'] = $type;
 
diff --git a/i_login/findpw/sendCodePost.php b/i_login/findpw/sendCodePost.php
index e062ef40..79ee52ec 100644
--- a/i_login/findpw/sendCodePost.php
+++ b/i_login/findpw/sendCodePost.php
@@ -3,13 +3,13 @@
 // $_POST['email'] : 이메일
 $email = $_POST['email'];
 
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._JSON.php');
-require_once(ROOT.W.F_FUNC.W.'class._String.php');
-require_once(ROOT.W.F_FUNC.W.'class._Validation.php');
-require_once(ROOT.W.F_FUNC.W.'class._Time.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
-require_once(ROOT.W.F_CONFIG.W.'MAIL'.PHP);
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._JSON.php');
+require(ROOT.W.F_FUNC.W.'class._String.php');
+require(ROOT.W.F_FUNC.W.'class._Validation.php');
+require(ROOT.W.F_FUNC.W.'class._Time.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
+require(ROOT.W.F_CONFIG.W.'MAIL'.PHP);
 
 $response['result'] = 'FAIL';
 
diff --git a/i_login/findpw/verifyCodePost.php b/i_login/findpw/verifyCodePost.php
index 9926eaa9..679370f4 100644
--- a/i_login/findpw/verifyCodePost.php
+++ b/i_login/findpw/verifyCodePost.php
@@ -5,11 +5,11 @@
 $email = $_POST['email'];
 $code = $_POST['code'];
 
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._JSON.php');
-require_once(ROOT.W.F_FUNC.W.'class._Validation.php');
-require_once(ROOT.W.F_FUNC.W.'class._Time.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._JSON.php');
+require(ROOT.W.F_FUNC.W.'class._Validation.php');
+require(ROOT.W.F_FUNC.W.'class._Time.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
 
 $response['result'] = 'FAIL';
 
diff --git a/i_login/join/Frame.php b/i_login/join/Frame.php
index 802dc2bc..6437f3ee 100644
--- a/i_login/join/Frame.php
+++ b/i_login/join/Frame.php
@@ -1,5 +1,5 @@
 <?php
-require_once('_common.php');
+require('_common.php');
 
 /*
 <pre>주민번호는 중복가입 방지와 허위정보 방지를 위한 용도로만 사용되며,
diff --git a/i_login/join/Get.php b/i_login/join/Get.php
index 4f3cb3e5..36f1806c 100644
--- a/i_login/join/Get.php
+++ b/i_login/join/Get.php
@@ -1,7 +1,7 @@
 <?php
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._JSON.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._JSON.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
 
 $rs = $DB->Select('COUNT(*) AS CNT', 'MEMBER');
 
diff --git a/i_login/join/Post.php b/i_login/join/Post.php
index ace78906..38b15394 100644
--- a/i_login/join/Post.php
+++ b/i_login/join/Post.php
@@ -16,12 +16,12 @@ $email = $_POST['email'];
 
 $pw = substr($pw, 0, 32);
 
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._JSON.php');
-require_once(ROOT.W.F_FUNC.W.'class._Time.php');
-require_once(ROOT.W.F_FUNC.W.'class._String.php');
-require_once(ROOT.W.F_FUNC.W.'class._Validation.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._JSON.php');
+require(ROOT.W.F_FUNC.W.'class._Time.php');
+require(ROOT.W.F_FUNC.W.'class._String.php');
+require(ROOT.W.F_FUNC.W.'class._Validation.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
 
 $name = _String::NoSpecialCharacter($name);
 
diff --git a/i_login/join/_common.php b/i_login/join/_common.php
index d7a78a7b..d6e0c78a 100644
--- a/i_login/join/_common.php
+++ b/i_login/join/_common.php
@@ -2,9 +2,9 @@
 if(!defined('ROOT')){
     define('ROOT', '../..');
 }
-require_once(ROOT.'/f_config/config.php');
-require_once(ROOT.W.F_CONFIG.W.APP.PHP);
-require_once(ROOT.W.F_FUNC.W.FUNC.PHP);
+require(ROOT.'/f_config/config.php');
+require(ROOT.W.F_CONFIG.W.APP.PHP);
+require(ROOT.W.F_FUNC.W.FUNC.PHP);
 
 CustomHeader();
 
diff --git a/i_login/join/checkPost.php b/i_login/join/checkPost.php
index 44cae098..3b339cec 100644
--- a/i_login/join/checkPost.php
+++ b/i_login/join/checkPost.php
@@ -14,11 +14,11 @@ $pid = $_POST['pid1'].'-'.substr($_POST['pid2'],0,1).'-'.md5($_POST['pid2']);
 $name = $_POST['name'];
 $email = $_POST['email'];
 
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._JSON.php');
-require_once(ROOT.W.F_FUNC.W.'class._String.php');
-require_once(ROOT.W.F_FUNC.W.'class._Validation.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._JSON.php');
+require(ROOT.W.F_FUNC.W.'class._String.php');
+require(ROOT.W.F_FUNC.W.'class._Validation.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
 
 $name = _String::NoSpecialCharacter($name);
 
diff --git a/i_login/join/sendCodePost.php b/i_login/join/sendCodePost.php
index 5c74adfe..37136656 100644
--- a/i_login/join/sendCodePost.php
+++ b/i_login/join/sendCodePost.php
@@ -3,13 +3,13 @@
 // $_POST['email'] : 이메일
 $email = $_POST['email'];
 
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._JSON.php');
-require_once(ROOT.W.F_FUNC.W.'class._String.php');
-require_once(ROOT.W.F_FUNC.W.'class._Validation.php');
-require_once(ROOT.W.F_FUNC.W.'class._Time.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
-require_once(ROOT.W.F_CONFIG.W.'MAIL'.PHP);
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._JSON.php');
+require(ROOT.W.F_FUNC.W.'class._String.php');
+require(ROOT.W.F_FUNC.W.'class._Validation.php');
+require(ROOT.W.F_FUNC.W.'class._Time.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
+require(ROOT.W.F_CONFIG.W.'MAIL'.PHP);
 
 $response['result'] = 'FAIL';
 
diff --git a/i_login/join/verifyCodePost.php b/i_login/join/verifyCodePost.php
index 9926eaa9..679370f4 100644
--- a/i_login/join/verifyCodePost.php
+++ b/i_login/join/verifyCodePost.php
@@ -5,11 +5,11 @@
 $email = $_POST['email'];
 $code = $_POST['code'];
 
-require_once('_common.php');
-require_once(ROOT.W.F_FUNC.W.'class._JSON.php');
-require_once(ROOT.W.F_FUNC.W.'class._Validation.php');
-require_once(ROOT.W.F_FUNC.W.'class._Time.php');
-require_once(ROOT.W.F_CONFIG.W.DB.PHP);
+require('_common.php');
+require(ROOT.W.F_FUNC.W.'class._JSON.php');
+require(ROOT.W.F_FUNC.W.'class._Validation.php');
+require(ROOT.W.F_FUNC.W.'class._Time.php');
+require(ROOT.W.F_CONFIG.W.DB.PHP);
 
 $response['result'] = 'FAIL';
 
diff --git a/i_login/login.php b/i_login/login.php
index bc835d08..bf49d878 100644
--- a/i_login/login.php
+++ b/i_login/login.php
@@ -1,5 +1,5 @@
 <?php
-require_once('_common.php');
+require('_common.php');
 ?>
 
 <!DOCTYPE html>
diff --git a/i_other/_common.php b/i_other/_common.php
index b25b4786..7b86fa95 100644
--- a/i_other/_common.php
+++ b/i_other/_common.php
@@ -2,9 +2,9 @@
 if(!defined('ROOT')){
     define('ROOT', '..');
 }
-require_once(ROOT.'/f_config/config.php');
-require_once(ROOT.W.F_CONFIG.W.APP.PHP);
-require_once(ROOT.W.F_FUNC.W.FUNC.PHP);
+require(ROOT.'/f_config/config.php');
+require(ROOT.W.F_CONFIG.W.APP.PHP);
+require(ROOT.W.F_FUNC.W.FUNC.PHP);
 
 CustomHeader();
 
diff --git a/i_other/help.php b/i_other/help.php
index 9b11f46d..9de628a8 100644
--- a/i_other/help.php
+++ b/i_other/help.php
@@ -1,5 +1,5 @@
 <?php
-require_once('_common.php');
+require('_common.php');
 
 $images = IMAGES;
 ?>
diff --git a/i_other/screenshot.php b/i_other/screenshot.php
index 4e1914fd..ae4e8456 100644
--- a/i_other/screenshot.php
+++ b/i_other/screenshot.php
@@ -1,5 +1,5 @@
 <?php
-require_once('_common.php');
+require('_common.php');
 
 $images = IMAGES;
 
diff --git a/i_popup/Frame.php b/i_popup/Frame.php
index 44e41a85..a29fcfcd 100644
--- a/i_popup/Frame.php
+++ b/i_popup/Frame.php
@@ -1,5 +1,5 @@
 <?php
-require_once('_common.php');
+require('_common.php');
 ?>
 
 <div id="Popup_00">
diff --git a/i_popup/_common.php b/i_popup/_common.php
index b25b4786..7b86fa95 100644
--- a/i_popup/_common.php
+++ b/i_popup/_common.php
@@ -2,9 +2,9 @@
 if(!defined('ROOT')){
     define('ROOT', '..');
 }
-require_once(ROOT.'/f_config/config.php');
-require_once(ROOT.W.F_CONFIG.W.APP.PHP);
-require_once(ROOT.W.F_FUNC.W.FUNC.PHP);
+require(ROOT.'/f_config/config.php');
+require(ROOT.W.F_CONFIG.W.APP.PHP);
+require(ROOT.W.F_FUNC.W.FUNC.PHP);
 
 CustomHeader();
 
diff --git a/install.php b/install.php
index 09e0de36..8b5de62f 100644
--- a/install.php
+++ b/install.php
@@ -1,5 +1,5 @@
 <?php
-require_once('_common.php');
+require('_common.php');
 
 ?>
 
diff --git a/twe/d_setting/_common.php b/twe/d_setting/_common.php
index 57949e8d..2b789212 100644
--- a/twe/d_setting/_common.php
+++ b/twe/d_setting/_common.php
@@ -2,8 +2,8 @@
 if(!defined('ROOT')){
     define('ROOT', '../..');
 }
-require_once(ROOT.'/f_config/config.php');
-require_once(ROOT.W.F_CONFIG.W.APP.PHP);
-require_once(ROOT.W.F_FUNC.W.FUNC.PHP);
+require(ROOT.'/f_config/config.php');
+require(ROOT.W.F_CONFIG.W.APP.PHP);
+require(ROOT.W.F_FUNC.W.FUNC.PHP);
 
 CustomHeader();
diff --git a/twe/install2_ok.php b/twe/install2_ok.php
index 4b750c63..1c9a3955 100644
--- a/twe/install2_ok.php
+++ b/twe/install2_ok.php
@@ -1,7 +1,7 @@
 <?php
 include "lib.php";
 include "func.php";
-require_once('../e_lib/util.php');
+require('../e_lib/util.php');
 
 $turnterm = util::array_get($_POST['turnterm'],'0');
 $sync = util::array_get($_POST['sync'],'0');
diff --git a/twe/install_ok.php b/twe/install_ok.php
index 48ed6139..490d3b17 100644
--- a/twe/install_ok.php
+++ b/twe/install_ok.php
@@ -2,7 +2,7 @@
 include "lib.php";
 include "schema.php";
 include "func.php";
-require_once "../e_lib/util.php";
+require "../e_lib/util.php";
 if(file_exists("d_setting/set.php")) error("이미 set.php가 생성되어 있습니다.<br><br>재설치하려면 해당 파일을 지우세요");
 
 
diff --git a/twe/join.php b/twe/join.php
index f6462cbc..6a493f29 100644
--- a/twe/join.php
+++ b/twe/join.php
@@ -1,7 +1,7 @@
 <?php
 include "lib.php";
 include "func.php";
-require_once("new_lib.php")
+require("new_lib.php")
 
 $id = $_POST[id];
 $pw = $_POST[pw];
diff --git a/twe/new_lib.php b/twe/new_lib.php
index b08635cd..5158468e 100644
--- a/twe/new_lib.php
+++ b/twe/new_lib.php
@@ -1,6 +1,6 @@
 <?php
 //임시 땜빵 리팩터링.
-require_once "lib.php";
+require "lib.php";
 
 function dbConnRoot() {
     global $connect, $HTTP_COOKIE_VARS;