diff --git a/app/Admin/Controllers/v3/GoodsActivityController.php b/app/Admin/Controllers/v3/GoodsActivityController.php
index 2947553..e8ca27b 100644
--- a/app/Admin/Controllers/v3/GoodsActivityController.php
+++ b/app/Admin/Controllers/v3/GoodsActivityController.php
@@ -90,7 +90,7 @@ class GoodsActivityController extends AdminController
                 $filter->equal('price');
                 $filter->equal('goods_unit');
             });
-           
+
             $grid->actions([new GoodsActivityCopy()]);
             $grid->tools([new GoodsActivitySetting()]);
             $grid->batchActions([
@@ -202,6 +202,7 @@ class GoodsActivityController extends AdminController
                     $form->image('cover_img')->uniqueName()->autoUpload()->required();
                 }
                 $form->select('type')->options(GoodsActivityModel::$_TYPE)->default('flash_sale');
+                $form->number('type_limit','同类限购种数')->help('如填1，那么值为1的类型商品只能购买一种，2那么值为2的商品只能购买两种不同的商品')->default(0);
                 $form->datetime('expire_time')->required()->format('YYYY-MM-DD HH:mm:ss')->rules('after:now',['after'=>'活动结束时间必须大于当前时间！'])->customFormat(function ($v) {
                     return date('Y-m-d H:i:s',$v);
                 });