@@ -1037,7 +1037,7 @@ class Tool
foreach ($data as $k => $v) {
$update = array();
$update['where_id'] = $v['mid'];
- $num = $v['num'];
+ $num = -1*$v['num'];
if ($v['type'] == 1) {
$update['sell'] = $num;
} else {