diff --git a/app/Endpoint/Api/Http/Controllers/Order/OrderPreController.php b/app/Endpoint/Api/Http/Controllers/Order/OrderPreController.php
index 9bce38ed..f15ed900 100644
--- a/app/Endpoint/Api/Http/Controllers/Order/OrderPreController.php
+++ b/app/Endpoint/Api/Http/Controllers/Order/OrderPreController.php
@@ -52,7 +52,7 @@ class OrderPreController extends Controller
             }
 
             // 验证商品库存(店铺库存)
-            if ($store_product->pivot->amount < $quantity) {
+            if ($store_product->pivot->amount < $send) {
                 throw new BizException('店铺商品: ' . $store_product->name . ' 库存不足');
             }