diff --git a/app/Admin/Controllers/Draw/DrawActivityController.php b/app/Admin/Controllers/Draw/DrawActivityController.php
index 37a11e62..c79645d6 100644
--- a/app/Admin/Controllers/Draw/DrawActivityController.php
+++ b/app/Admin/Controllers/Draw/DrawActivityController.php
@@ -202,7 +202,7 @@ class DrawActivityController extends AdminController
                 ->removable(false)
                 ->autoUpload()
                 ->retainable();
-            $form->text('bg_color')->help('十六进制颜色码');
+            $form->color('bg_color')->help('十六进制颜色码');
 
             $form->submitted(function (Form $form) {
                 if ($form->isEditing() && $form->model()->isPublished()) {