修改了优惠券管理的默认排序

app/Admin/Controllers/CouponManagement/CouponDetailsController.php

@@ -25,7 +25,7 @@ class CouponDetailsController extends AdminController
     protected function grid()
     {
         $grid = new Grid(new Coupon());
-
+        $grid->model()->orderBy('id','desc');
         $grid->column('id', __('Id'));
         $grid->column('name', __('券名称'));
         $grid->column('title', __('券标题'));

app/Admin/Controllers/CouponManagement/CouponManagementController.php

@@ -41,7 +41,7 @@ class CouponManagementController extends AdminController
             $filter->timestampBetween('end_time', "有效期结束时间")->datetime();
         });
 
-
+        $grid->model()->orderBy('id','desc');
         $grid->column('id', __('Id'));
         $grid->column('name', __('劵名称'));
         $grid->column('title', __('劵标题'));