修改社区端通告的默认排序

app/Admin/Controllers/CommunityNotice/CommunityNotices.php

@@ -28,6 +28,7 @@ class CommunityNotices extends AdminController
     protected function grid()
     {
         $grid = new Grid(new CommunityNotice());
+        $grid->model()->orderBy('id','desc');
         $grid->column('id', __('Id'))->sortable();
         $grid->column('organization.name', __('发放社区'));
         $grid->column('title', __('标题'));