diff --git a/app/common/repositories/store/order/StoreOrderCreateRepository.php b/app/common/repositories/store/order/StoreOrderCreateRepository.php
index d97078f6..a8c99c2a 100644
--- a/app/common/repositories/store/order/StoreOrderCreateRepository.php
+++ b/app/common/repositories/store/order/StoreOrderCreateRepository.php
@@ -112,6 +112,13 @@ class StoreOrderCreateRepository extends StoreOrderRepository
                         throw new ValidateException('活动商品限购1个');
                     }
                 }
+                $oldProductId = $cart->product->old_product_id ?? 0;
+                if (in_array($oldProductId, [1, 2, 3])) {
+                    $oldProductStock = Db::name('store_product')->where('product_id', $oldProductId)->value('stock');
+                    if ($oldProductStock < $cart['cart_num']) {
+                        throw new ValidateException('商品库存不足');
+                    }
+                }
                 if ($cart['product_type'] <= 97 && $cart['product_type'] > 0 && (($cart['product_type'] != 10 && count($merchantCart['list']) != 1) || count($merchantCartList) != 1)) {
                     throw new ValidateException('活动商品必须单独购买');
                 }