diff --git a/orders/views.py b/orders/views.py
index 36c4c95..be3dbfd 100644
--- a/orders/views.py
+++ b/orders/views.py
@@ -87,7 +87,7 @@ class PaymentFailView(APIView):
 
             with transaction.atomic():
                 # 锁定订单防止并发
-                dingdan = Dingdan.objects.select_for_update().filter(OrderID=dingdanid).first()
+                dingdan = Order.query.select_for_update().filter(OrderID=dingdanid).first()
                 if not dingdan:
                     return Response({'code': 2, 'msg': '订单不存在', 'data': None})
 
@@ -189,7 +189,7 @@ class WechatPayNotifyView(APIView):
 
         # 锁定订单防止并发
         try:
-            dingdan = Dingdan.objects.select_for_update().filter(OrderID=out_trade_no).first()
+            dingdan = Order.query.select_for_update().filter(OrderID=out_trade_no).first()
         except Exception as e:
             logger.error(f"查询订单异常: {e}")
             raise
@@ -328,7 +328,7 @@ class WechatPayNotifyView(APIView):
         logger.info(f"进入 _handle_failure, out_trade_no={out_trade_no}")
 
         try:
-            dingdan = Dingdan.objects.select_for_update().filter(OrderID=out_trade_no).first()
+            dingdan = Order.query.select_for_update().filter(OrderID=out_trade_no).first()
             if not dingdan:
                 logger.warning(f"订单不存在: {out_trade_no}")
                 return
@@ -504,7 +504,7 @@ class PaymentVerifyView(APIView):
         """
         with transaction.atomic():
             # 重新锁定订单，防止并发更新
-            dingdan = Dingdan.objects.select_for_update().get(pk=dingdan.pk)
+            dingdan = Order.query.select_for_update().get(pk=dingdan.pk)
             if dingdan.Status != 9:
                 # 订单状态已被其他进程更新，直接返回（幂等）
                 return
@@ -2388,7 +2388,7 @@ class ShangjiaJiesuanView(APIView):
         try:
             with transaction.atomic():
                 # 4. 查询订单并加锁（修复并发问题）
-                order = Dingdan.objects.select_for_update().get(OrderID=dingdan_id)
+                order = Order.query.select_for_update().get(OrderID=dingdan_id)
 
                 # 验证订单是否属于当前商家
                 shangjia_kuozhan = MerchantOrderExt.query.filter(
@@ -3627,7 +3627,7 @@ class QiangdanView(APIView):
 
     def _validate_and_lock_order(self, dingdan_id, dashou_yonghuid):
         try:
-            order = Dingdan.objects.select_for_update().get(OrderID=dingdan_id)
+            order = Order.query.select_for_update().get(OrderID=dingdan_id)
             if order.Status not in [1, 7]:
                 return "订单状态不可抢"
             if order.Status == 7:
@@ -5466,7 +5466,7 @@ class AdTongYiTuiKuanPingTai(APIView):
             # 7. 查询订单主表（加锁）
             with transaction.atomic():
                 try:
-                    dingdan_obj = Dingdan.objects.select_related('pingtai_kuozhan').select_for_update().get(OrderID=dingdan_id)
+                    dingdan_obj = Order.query.select_related('pingtai_kuozhan').select_for_update().get(OrderID=dingdan_id)
                 except Order.DoesNotExist:
                     return Response(
                         {'code': 404, 'message': '订单不存在', 'data': None},