diff --git a/app/controller/api/store/order/StoreCartDg.php b/app/controller/api/store/order/StoreCartDg.php
index c317dc92..81f08cbd 100644
--- a/app/controller/api/store/order/StoreCartDg.php
+++ b/app/controller/api/store/order/StoreCartDg.php
@@ -106,7 +106,7 @@ class StoreCartDg extends BaseController
                 $data['product_id'] = $result['product']['product_id'];
                 break;
             case 99: //小组代购
-                $result = app()->make(ProductGroupRepository::class)->cartCheck($data,$this->request->userInfo());
+                $result = app()->make(ProductDgRepository::class)->cartCheck($data,$this->request->userInfo());
                 $data['source'] = $data['product_type'];
                 $data['source_id'] = $data['group_buying_id'];
                 $data['product_id'] = $result['product']['product_id'];