edit

service/agent/lib/Tool.php

@@ -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 {