diff --git a/src/SJZY.Track.Application/Services/ProvideServices/OrderService.Link.cs b/src/SJZY.Track.Application/Services/ProvideServices/OrderService.Link.cs
index a8614eca..0d4b4cfe 100644
--- a/src/SJZY.Track.Application/Services/ProvideServices/OrderService.Link.cs
+++ b/src/SJZY.Track.Application/Services/ProvideServices/OrderService.Link.cs
@@ -69,7 +69,7 @@ public partial class OrderService
 
         // 查询存在的订单
         var existedOrders = await _orderRepository.GetListAsync(x =>
-                x.SubSystemId == input.SubSystemId && x.OrderType == input.LinkOrderType &&
+                x.SubSystemId == input.LinkSubSystemId && x.OrderType == input.LinkOrderType &&
                 noLinkOrderNos.Contains(x.OrderNo),
             x => new
             {