1.优化后台显示。

@@ -31,8 +31,8 @@ class MembershipController extends AdminController
             $grid->setActionClass(Grid\Displayers\Actions::class);
 
             $grid->column('id',__('ID'))->sortable();
-            $grid->column('title')->width(30);
-            $grid->column('intro')->limit(30)->width(40);
+            $grid->column('title');
+            $grid->column('intro')->limit(20);
             $grid->column('expand','展开')
                 ->display('会员商品')
                 ->expand(function (){