diff --git a/app/Admin/Controllers/Activity/IndexController.php b/app/Admin/Controllers/Activity/IndexController.php
index b7b7e02..6529fc7 100644
--- a/app/Admin/Controllers/Activity/IndexController.php
+++ b/app/Admin/Controllers/Activity/IndexController.php
@@ -101,7 +101,7 @@ class IndexController extends AdminController
         $grid->column('title', '活动名称');
         $grid->column('code', '活动编号');
         $grid->column('total', '可发券总数');
-        $grid->column('coupons_count', '可发券总数');
+        $grid->column('coupons_count', '已发券总数');
         $grid->column('rule.code', '卡券规则');
         $grid->column('类型')->display(function () {
             return $this->type_text;
@@ -159,7 +159,7 @@ class IndexController extends AdminController
              ->required();
 
         $form->number('total', '总数')
-             ->help('可发券总数')
+             ->help('可发券总数，0为不限制')
              ->default(10000)
              ->required();