diff --git a/app/Admin/Controllers/ActivityController.php b/app/Admin/Controllers/ActivityController.php
index 37585ae..29bb162 100644
--- a/app/Admin/Controllers/ActivityController.php
+++ b/app/Admin/Controllers/ActivityController.php
@@ -125,7 +125,7 @@ class ActivityController extends AdminController
                 amis()->FieldSetControl()->title('活动信息')->body([
                     amis()->TextControl('name',  __('admin.activities.name'))->required(true),
                     amis()->Image()->type('static-image')->name('cover')->label( __('admin.activities.cover'))->height('80px')->width('80px')->thumbMode('cover')->enlargeAble(true)->required(true),
-                    amis()->DateRangeControl('start_at', __('admin.activities.activity_at'))->format('YYYY-MM-DD HH:mm:ss'),
+                    amis()->DateRangeControl('start_at', __('admin.activities.activity_at'))->extraName('end_at')->format('YYYY-MM-DD HH:mm:ss'),
                     amis()->TextControl('share_title',  __('admin.activities.share_title')),
                     amis()->Image()->type('static-image')->name('share_image')->label( __('admin.activities.share_image'))->height('80px')->width('80px')->thumbMode('cover')->enlargeAble(true),
                     amis()->TextareaControl('rules', __('admin.activities.rules'))