diff --git a/mobile/shop/kcp/order_approval.php b/mobile/shop/kcp/order_approval.php
index 26b7b09bc..ce6b22abf 100644
--- a/mobile/shop/kcp/order_approval.php
+++ b/mobile/shop/kcp/order_approval.php
@@ -1,8 +1,8 @@
 <?php
     include_once('./_common.php');
 
-    include G5_MSHOP_PATH.'/settle_kcp.inc.php';
-    require G5_MSHOP_PATH.'/kcp/KCPComLibrary.php';              // library [수정불가]
+    include_once(G5_MSHOP_PATH.'/settle_kcp.inc.php');
+    require_once(G5_MSHOP_PATH.'/kcp/KCPComLibrary.php');              // library [수정불가]
 
 ?>
 <?php
diff --git a/mobile/shop/kcp/order_approval_form.php b/mobile/shop/kcp/order_approval_form.php
index 2601b621c..0e79a7251 100644
--- a/mobile/shop/kcp/order_approval_form.php
+++ b/mobile/shop/kcp/order_approval_form.php
@@ -21,7 +21,7 @@
     /* =   테스트 및 실결제 연동시 site_conf_inc.php파일을 수정하시기 바랍니다.     = */
     /* = -------------------------------------------------------------------------- = */
 
-     include G5_MSHOP_PATH.'/settle_kcp.inc.php';       // 환경설정 파일 include
+     include_once(G5_MSHOP_PATH.'/settle_kcp.inc.php');       // 환경설정 파일 include
 ?>
 <?php
     /* = -------------------------------------------------------------------------- = */
diff --git a/mobile/shop/kcp/personalpay_approval_form.php b/mobile/shop/kcp/personalpay_approval_form.php
index fe3143491..a7c40c3f0 100644
--- a/mobile/shop/kcp/personalpay_approval_form.php
+++ b/mobile/shop/kcp/personalpay_approval_form.php
@@ -21,7 +21,7 @@
     /* =   테스트 및 실결제 연동시 site_conf_inc.php파일을 수정하시기 바랍니다.     = */
     /* = -------------------------------------------------------------------------- = */
 
-     include G5_MSHOP_PATH.'/settle_kcp.inc.php';       // 환경설정 파일 include
+     include_once(G5_MSHOP_PATH.'/settle_kcp.inc.php');       // 환경설정 파일 include
 ?>
 <?php
     /* = -------------------------------------------------------------------------- = */
diff --git a/mobile/shop/kcp/pp_ax_hub.php b/mobile/shop/kcp/pp_ax_hub.php
index 170fd4d52..fc7c3f9b7 100644
--- a/mobile/shop/kcp/pp_ax_hub.php
+++ b/mobile/shop/kcp/pp_ax_hub.php
@@ -17,7 +17,7 @@
     /* =   테스트 및 실결제 연동시 site_conf_inc.php파일을 수정하시기 바랍니다.     = */
     /* = -------------------------------------------------------------------------- = */
 
-    include G5_MSHOP_PATH.'/settle_kcp.inc.php';       // 환경설정 파일 include
+    include_once(G5_MSHOP_PATH.'/settle_kcp.inc.php');       // 환경설정 파일 include
     require "pp_ax_hub_lib.php";              // library [수정불가]
 
     /* = -------------------------------------------------------------------------- = */
diff --git a/shop/kcp/orderpartcancel.inc.php b/shop/kcp/orderpartcancel.inc.php
index ae958730d..024974e77 100644
--- a/shop/kcp/orderpartcancel.inc.php
+++ b/shop/kcp/orderpartcancel.inc.php
@@ -30,7 +30,7 @@ else {
     }
 }
 
-include G5_SHOP_PATH.'/kcp/pp_cli_hub_lib.php';
+include_once(G5_SHOP_PATH.'/kcp/pp_cli_hub_lib.php');
 
 $tno            = $od['od_tno'];
 $req_tx         = 'mod';
diff --git a/shop/kcp/pp_ax_hub.php b/shop/kcp/pp_ax_hub.php
index 5a6d8397c..56acb63c9 100644
--- a/shop/kcp/pp_ax_hub.php
+++ b/shop/kcp/pp_ax_hub.php
@@ -15,7 +15,7 @@ if (!defined("_GNUBOARD_")) exit; // 개별 페이지 접근 불가
     /* =   환경 설정                                                                = */
     /* = -------------------------------------------------------------------------- = */
 
-    include G5_SHOP_PATH.'/settle_kcp.inc.php';
+    include_once(G5_SHOP_PATH.'/settle_kcp.inc.php');
     require "pp_ax_hub_lib.php";              // library [수정불가]
 
     /* = -------------------------------------------------------------------------- = */
diff --git a/shop/kcp/pp_cli_hub.php b/shop/kcp/pp_cli_hub.php
index 0a286d850..a66dd6c4f 100644
--- a/shop/kcp/pp_cli_hub.php
+++ b/shop/kcp/pp_cli_hub.php
@@ -27,8 +27,8 @@ setlocale(LC_CTYPE, 'ko_KR.euc-kr');
     /* ============================================================================== */
     /* = 라이브러리 및 사이트 정보 include                                          = */
     /* = -------------------------------------------------------------------------- = */
-    include G5_SHOP_PATH.'/settle_kcp.inc.php';
-    require G5_SHOP_PATH.'/kcp/pp_cli_hub_lib.php';
+    include_once(G5_SHOP_PATH.'/settle_kcp.inc.php');
+    require_once(G5_SHOP_PATH.'/kcp/pp_cli_hub_lib.php');
 
     /* ============================================================================== */
     /* =   01. KCP 지불 서버 정보 설정                                              = */
diff --git a/shop/kcp/pp_cli_result.php b/shop/kcp/pp_cli_result.php
index 86534cb46..f49fb0878 100644
--- a/shop/kcp/pp_cli_result.php
+++ b/shop/kcp/pp_cli_result.php
@@ -1,6 +1,6 @@
 <?php
 include './_common.php';
-require G5_SHOP_PATH.'/settle_kcp.inc.php';
+require_once(G5_SHOP_PATH.'/settle_kcp.inc.php');
 
     /* ============================================================================== */
     /* =   PAGE : 결과 처리 PAGE                                                    = */
diff --git a/shop/orderinquirycancel.php b/shop/orderinquirycancel.php
index 5e2faf78f..678f255a2 100644
--- a/shop/orderinquirycancel.php
+++ b/shop/orderinquirycancel.php
@@ -32,7 +32,7 @@ if($od['od_cancel_price'] > 0 || $ct['od_count1'] != $ct['od_count2']) {
 if($od['od_tno']) {
     switch($od['od_pg']) {
         case 'lg':
-            require './settle_lg.inc.php';
+            require_once('./settle_lg.inc.php');
             $LGD_TID    = $od['od_tno'];        //LG유플러스으로 부터 내려받은 거래번호(LGD_TID)
 
             $xpay = new XPay($configPath, $CST_PLATFORM);
@@ -62,7 +62,7 @@ if($od['od_tno']) {
             }
             break;
         default:
-            require './settle_kcp.inc.php';
+            require_once('./settle_kcp.inc.php');
 
             $_POST['tno'] = $od['od_tno'];
             $_POST['req_tx'] = 'mod';