diff --git a/app/Admin/Controllers/OfflineProductCategoryController.php b/app/Admin/Controllers/OfflineProductCategoryController.php
index cd6edfc2..b665640a 100644
--- a/app/Admin/Controllers/OfflineProductCategoryController.php
+++ b/app/Admin/Controllers/OfflineProductCategoryController.php
@@ -3,6 +3,8 @@
 namespace App\Admin\Controllers;
 
 use App\Admin\Repositories\OfflineProductCategory as OfflineProductCategoryRepository;
+use App\Exceptions\BizException;
+use App\Models\OfflineOrderItem;
 use Dcat\Admin\Admin;
 use Dcat\Admin\Form;
 use Dcat\Admin\Grid;
@@ -11,6 +13,15 @@ use Dcat\Admin\Http\Controllers\AdminController;
 
 class OfflineProductCategoryController extends AdminController
 {
+    public function destroy($id)
+    {
+        if (OfflineOrderItem::where('product_category_id', $id)->exists()) {
+            throw new BizException('商品分类已使用');
+        }
+
+        return $this->form()->destroy($id);
+    }
+
     protected function grid()
     {
         return Grid::make(new OfflineProductCategoryRepository(), function (Grid $grid) {