diff --git a/install/gnuboard5shop.sql b/install/gnuboard5shop.sql
index 12db75404..2c9ce38b4 100644
--- a/install/gnuboard5shop.sql
+++ b/install/gnuboard5shop.sql
@@ -443,6 +443,9 @@ CREATE TABLE IF NOT EXISTS `g5_shop_item` (
   `it_tel_inq` tinyint(4) NOT NULL DEFAULT '0',
   `it_info_gubun` varchar(50) NOT NULL DEFAULT '',
   `it_info_value` text NOT NULL,
+  `it_sum_qty` int(11) NOT NULL DEFAULT '0',
+  `it_use_cnt` int(11) NOT NULL DEFAULT '0',
+  `it_use_avg` DECIMAL(2,1) NOT NULL,
   `it_img1` varchar(255) NOT NULL DEFAULT '',
   `it_img2` varchar(255) NOT NULL DEFAULT '',
   `it_img3` varchar(255) NOT NULL DEFAULT '',