限购可以是0

app/Admin/Controllers/DrugController.php

@@ -130,9 +130,9 @@ protected function form()
                 $form->switch('is_foreign');
                 $form->switch('is_foreign');
                 $form->switch('is_rx');
                 $form->switch('is_rx');
                 $form->switch('is_si');
                 $form->switch('is_si');
-                $array = range(1, 10);
+                $array = range(0, 10);
                 $limitOption = array_combine($array, $array);
                 $limitOption = array_combine($array, $array);
-                $form->select('limit_buy_7')->placeholder('请选择限购数量')->options($limitOption)->help('限购数量')->required();
+                $form->select('limit_buy_7')->placeholder('请选择限购数量')->options($limitOption)->help('限购数量')->required()->default(0);
                 $form->multipleSelect('tag', '标签')
                 $form->multipleSelect('tag', '标签')
                     ->options(function () {
                     ->options(function () {
                         return DrugTagModel::all()->pluck('tag_name', 'id');
                         return DrugTagModel::all()->pluck('tag_name', 'id');