diff --git a/shop/cartupdate.php b/shop/cartupdate.php
index df3e33785..45d5f7bdf 100644
--- a/shop/cartupdate.php
+++ b/shop/cartupdate.php
@@ -217,11 +217,11 @@ else if ($act == "optionmod") // 장바구니에서 옵션변경
         // 장바구니에 Insert
         $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, ct_order )
+                        ( 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 )
                     VALUES ";
 
         for($i=0; $i<$option_count; $i++) {
-            $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]}', '$i', '{$_POST['io_id'][$i]}', '{$_POST['io_type'][$i]}', '{$_POST['io_price'][$i]}', '".G4_TIME_YMDHIS."', '$REMOTE_ADDR', '$sw_direct', '{$_POST['ct_order']}' )";
+            $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]}', '$i', '{$_POST['io_id'][$i]}', '{$_POST['io_type'][$i]}', '{$_POST['io_price'][$i]}', '".G4_TIME_YMDHIS."', '$REMOTE_ADDR', '$sw_direct' )";
             $comma = ' , ';
         }
 
@@ -333,18 +333,38 @@ else // 장바구니에 담기
         else
             $ct_num = 0;
 
+        $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 )
                     VALUES ";
 
         for($i=0; $i<$option_count; $i++) {
+            // 동일옵션의 상품이 있으면 수량 더함
+            $sql2 = " select ct_id
+                        from {$g4['shop_cart_table']}
+                        where uq_id = '$tmp_uq_id'
+                          and it_id = '{$_POST['it_id']}'
+                          and io_id = '{$_POST['io_id'][$i]}'
+                          and ct_status = '쇼핑' ";
+            $row2 = sql_fetch($sql2);
+            if($row2['ct_id']) {
+                $sql3 = " update {$g4['shop_cart_table']}
+                            set ct_qty = ct_qty + {$_POST['ct_qty'][$i]}
+                            where ct_id = '{$row2['ct_id']}' ";
+                sql_query($sql3);
+
+                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' )";
             $comma = ' , ';
             $ct_num++;
+            $ct_count++;
         }
 
-        sql_query($sql);
+        if($ct_count > 0)
+            sql_query($sql);
     }
 }