diff --git a/packages/article/src/Http/Controllers/ArticleController.php b/packages/article/src/Http/Controllers/ArticleController.php
index 2d6e7a1..f01b10d 100644
--- a/packages/article/src/Http/Controllers/ArticleController.php
+++ b/packages/article/src/Http/Controllers/ArticleController.php
@@ -101,7 +101,7 @@ class ArticleController extends AdminController
                 ->removable(false)
                 ->autoUpload()->autoSave(false);
 
-            $form->datetime('published_at');
+            $form->datetime('published_at')->default(now())->required();
             $form->switch('is_enable')->default(0);
             $form->switch('is_recommend')->default(0);
             $form->number('sort')->min(0)->default(0);
diff --git a/packages/keywords/src/Http/Admin/KeywordsController.php b/packages/keywords/src/Http/Admin/KeywordsController.php
index 2e7a13c..8786cdf 100644
--- a/packages/keywords/src/Http/Admin/KeywordsController.php
+++ b/packages/keywords/src/Http/Admin/KeywordsController.php
@@ -2,6 +2,7 @@
 
 namespace Peidikeji\Keywords\Http\Admin;
 
+use Dcat\Admin\Admin;
 use Dcat\Admin\Form;
 use Dcat\Admin\Grid;
 use Dcat\Admin\Http\Controllers\AdminController;
@@ -30,12 +31,16 @@ class KeywordsController extends AdminController
 
     protected function grid()
     {
-        return Grid::make(new Keywords(), function ($grid) {
+        return Grid::make(new Keywords(), function (Grid $grid) {
             $grid->column('name')->tree();
             $grid->column('key');
             $grid->column('value');
 
             $grid->enableDialogCreate();
+            $user = Admin::user();
+            $grid->showCreateButton($user->can('dcat.admin.keywords.create'));
+            $grid->showEditButton($user->can('dcat.admin.keywords.edit'));
+            $grid->showDeleteButton($user->can('dcat.admin.keywords.destroy'));
 
             $grid->quickSearch(['name', 'type_key', 'key']);
         });