销量

app/Service/OrderService.php

@@ -664,7 +664,7 @@ class OrderService implements OrderServiceInterface
                     $goods->inventory = $goods->inventory - $goodsItem['number'];
                 }
 
-                $goods->sales = $goods->sales - $goodsItem['number'];
+                $goods->sales = $goods->sales + $goodsItem['number'];
                 $goods->save();
 
             }