diff --git a/adm/shop_admin/configform.php b/adm/shop_admin/configform.php
index c6a2ce2de..a9eebd5c5 100644
--- a/adm/shop_admin/configform.php
+++ b/adm/shop_admin/configform.php
@@ -856,6 +856,13 @@ $pg_anchor = '<ul class="anchor">
             안내메세지 출력 사용
         </td>
     </tr>
+    <tr>
+        <th scope="row"><label for="de_cart_keep_term">장바구니 보관기간</label></th>
+        <td>
+             <?php echo help("장바구니 상품의 보관 기간을 설정하십시오."); ?>
+            <input type="text" name="de_cart_keep_term" value="<?php echo $default['de_cart_keep_term']; ?>" id="de_cart_keep_term" class="frm_input" size="5"> 일
+        </td>
+    </tr>
     <tr>
         <th scope="row"><label for="de_guest_cart_use">비회원 장바구니</label></th>
         <td>
diff --git a/adm/shop_admin/configformupdate.php b/adm/shop_admin/configformupdate.php
index 99d489a52..45669528c 100644
--- a/adm/shop_admin/configformupdate.php
+++ b/adm/shop_admin/configformupdate.php
@@ -148,6 +148,7 @@ $sql = " update {$g4['shop_default_table']}
                 de_sms_hp                   = '$de_sms_hp',
                 de_item_ps_use              = '$de_item_ps_use',
                 de_code_dup_use             = '$de_code_dup_use',
+                de_cart_keep_term           = '$de_cart_keep_term',
                 de_guest_cart_use           = '$de_guest_cart_use',
                 de_point_per                = '$de_point_per',
                 de_admin_buga_no            = '$de_admin_buga_no',
diff --git a/adm/shop_admin/orderform.php b/adm/shop_admin/orderform.php
index c37ce5976..a1a622b2b 100644
--- a/adm/shop_admin/orderform.php
+++ b/adm/shop_admin/orderform.php
@@ -21,12 +21,11 @@ include_once(G4_ADMIN_PATH.'/admin.head.php');
 //------------------------------------------------------------------------------
 // 설정 시간이 지난 주문서 없는 장바구니 자료 삭제
 //------------------------------------------------------------------------------
-if (!isset($cart_not_delete)) {
-    if (!$hours) $hours = 6;
-    $beforehours = date("Y-m-d H:i:s", ( G4_SERVER_TIME - (60 * 60 * $hours) ) );
-    $sql = " delete from {$g4['shop_cart_table']} where ct_status = '$cart_title1' and ct_time <= '$beforehours' ";
-    sql_query($sql);
-}
+$keep_term = $default['de_cart_keep_term'];
+if (!$keep_term) $keep_term = 15; // 기본값 15일
+$beforetime = date('Y-m-d H:i:s', ( G4_SERVER_TIME - (86400 * $keep_term) ) );
+$sql = " delete from {$g4['shop_cart_table']} where ct_status = '$cart_title1' and ct_time <= '$beforetime' ";
+sql_query($sql);
 //------------------------------------------------------------------------------
 
 
diff --git a/extend/shop.extend2.php b/extend/shop.extend2.php
index fef4d0400..1c4bcd94c 100644
--- a/extend/shop.extend2.php
+++ b/extend/shop.extend2.php
@@ -204,6 +204,7 @@ if(!$result) {
     sql_query(" ALTER TABLE `{$g4['shop_cart_table']}`
                     ADD `mb_id` VARCHAR(255) NOT NULL DEFAULT '' AFTER `uq_id` ", false);
     sql_query(" ALTER TABLE `{$g4['shop_default_table']}`
-                    ADD `de_guest_cart_use` TINYINT(4) NOT NULL DEFAULT '0' AFTER `de_code_dup_use` ", false);
+                    ADD `de_cart_keep_term` INT(11) NOT NULL DEFAULT '0' AFTER `de_code_dup_use`,
+                    ADD `de_guest_cart_use` TINYINT(4) NOT NULL DEFAULT '0' AFTER `de_cart_keep_term` ", false);
 }
 ?>
\ No newline at end of file
diff --git a/install/install_db.php b/install/install_db.php
index 419f1fa9d..16dbaac96 100644
--- a/install/install_db.php
+++ b/install/install_db.php
@@ -263,6 +263,7 @@ if($shop_install) {
                     de_card_use = '0',
                     de_card_max_amount = '1000',
                     de_point_settle = '10000',
+                    de_cart_keep_term = '15',
                     de_point_per = '5',
                     de_card_point = '0',
                     de_point_days = '7',
diff --git a/install/shop.sql b/install/shop.sql
index f97818765..9c7037d30 100644
--- a/install/shop.sql
+++ b/install/shop.sql
@@ -249,6 +249,7 @@ CREATE TABLE IF NOT EXISTS `shop_default` (
   `de_iche_use` tinyint(4) NOT NULL DEFAULT '0',
   `de_item_ps_use` tinyint(4) NOT NULL DEFAULT '0',
   `de_code_dup_use` tinyint(4) NOT NULL DEFAULT '0',
+  `de_cart_keep_term` int(11) NOT NULL DEFAULT '0',
   `de_guest_cart_use` tinyint(4) NOT NULL DEFAULT '0',
   `de_point_per` tinyint(4) NOT NULL DEFAULT '0',
   `de_admin_buga_no` varchar(255) NOT NULL DEFAULT '',
diff --git a/mobile/shop/orderinquiry.sub.php b/mobile/shop/orderinquiry.sub.php
index f9d583859..89f4c097f 100644
--- a/mobile/shop/orderinquiry.sub.php
+++ b/mobile/shop/orderinquiry.sub.php
@@ -21,7 +21,7 @@ $sql = " select a.od_id,
                 a.*, "._MISU_QUERY_."
            from {$g4['shop_order_table']} a
            left join {$g4['shop_cart_table']} b on (b.uq_id=a.uq_id)
-          where mb_id = '{$member['mb_id']}'
+          where a.mb_id = '{$member['mb_id']}'
           group by a.od_id
           order by a.od_id desc
           $limit ";
diff --git a/shop/cart.php b/shop/cart.php
index 37d5c70d7..6e3c559e4 100644
--- a/shop/cart.php
+++ b/shop/cart.php
@@ -1,6 +1,23 @@
 <?php
 include_once('./_common.php');
 
+// 회원일 경우 자신의 장바구니 상품 uq_id 값을 변경
+if($is_member) {
+    $tmp_uq_id = get_session('ss_uq_id');
+    if(!$tmp_uq_id) {
+        $tmp_uq_id = get_uniqid();
+        set_session('ss_uq_id', $tmp_uq_id);
+    }
+
+    $ctime = date('Y-m-d H:i:s', (G4_SERVER_TIME - ($default['de_cart_keep_term'] * 86400)));
+    $sql = " update {$g4['shop_cart_table']}
+                set uq_id = '$tmp_uq_id'
+                where mb_id = '{$member['mb_id']}'
+                  and ct_status = '쇼핑'
+                  and ct_time > '$ctime' ";
+    sql_query($sql);
+}
+
 if (G4_IS_MOBILE) {
     include_once(G4_MSHOP_PATH.'/cart.php');
     return;
diff --git a/shop/cartupdate.php b/shop/cartupdate.php
index 45d5f7bdf..d717c6f03 100644
--- a/shop/cartupdate.php
+++ b/shop/cartupdate.php
@@ -336,7 +336,7 @@ else // 장바구니에 담기
         $ct_count = 0;
         $comma = '';
         $sql = " INSERT INTO {$g4['shop_cart_table']}
-                        ( uq_id, it_id, it_name, ct_status, ct_price, ct_point, ct_point_use, ct_stock_use, ct_option, ct_qty, ct_num, io_id, io_type, io_price, ct_time, ct_ip, ct_direct )
+                        ( uq_id, mb_id, it_id, it_name, ct_status, ct_price, ct_point, ct_point_use, ct_stock_use, ct_option, ct_qty, ct_num, io_id, io_type, io_price, ct_time, ct_ip, ct_direct )
                     VALUES ";
 
         for($i=0; $i<$option_count; $i++) {
@@ -357,7 +357,7 @@ else // 장바구니에 담기
                 continue;
             }
 
-            $sql .= $comma."( '$tmp_uq_id', '{$_POST['it_id']}', '{$_POST['it_name']}', '쇼핑', '{$_POST['it_price']}', '{$_POST['it_point']}', '0', '0', '{$_POST['io_value'][$i]}', '{$_POST['ct_qty'][$i]}', '$ct_num', '{$_POST['io_id'][$i]}', '{$_POST['io_type'][$i]}', '{$_POST['io_price'][$i]}', '".G4_TIME_YMDHIS."', '$REMOTE_ADDR', '$sw_direct' )";
+            $sql .= $comma."( '$tmp_uq_id', '{$member['mb_id']}', '{$_POST['it_id']}', '{$_POST['it_name']}', '쇼핑', '{$_POST['it_price']}', '{$_POST['it_point']}', '0', '0', '{$_POST['io_value'][$i]}', '{$_POST['ct_qty'][$i]}', '$ct_num', '{$_POST['io_id'][$i]}', '{$_POST['io_type'][$i]}', '{$_POST['io_price'][$i]}', '".G4_TIME_YMDHIS."', '$REMOTE_ADDR', '$sw_direct' )";
             $comma = ' , ';
             $ct_num++;
             $ct_count++;
diff --git a/shop/orderinquiry.sub.php b/shop/orderinquiry.sub.php
index 86810db3b..bc8fec84d 100644
--- a/shop/orderinquiry.sub.php
+++ b/shop/orderinquiry.sub.php
@@ -23,7 +23,7 @@ $sql = " select a.od_id,
                 a.*, "._MISU_QUERY_."
            from {$g4['shop_order_table']} a
            left join {$g4['shop_cart_table']} b on (b.uq_id=a.uq_id)
-          where mb_id = '{$member['mb_id']}'
+          where a.mb_id = '{$member['mb_id']}'
           group by a.od_id
           order by a.od_id desc
           $limit ";