存在未完成的订单，不允许删除

app/AdminSupplier/Controllers/ProductController.php

@@ -391,13 +391,13 @@ class ProductController extends AdminController
 				return $form->response()->error('数据不存在');
 			}
 
-			$exists_unfinished_order = Order::where([
+			$where = [
 				['product_id', '=', $form->getKey()],
 				['status', '>', OrderStatus::UNPAID],
 				['status', '<', OrderStatus::SUCCESS],
 				['status', '<>', OrderStatus::REFUNDED],
-			])->exists();
-			if ($exists_unfinished_order) {
+			];
+			if (Order::where($where)->exists()) {
 				return $form->response()->error('该产品存在未完成的订单，不允许删除');
 			}
 		});