diff --git a/Src/Dlhis.Canteen/Order/Services/Implements/OrderService.cs b/Src/Dlhis.Canteen/Order/Services/Implements/OrderService.cs
index 0b80d840..5fdb28a8 100644
--- a/Src/Dlhis.Canteen/Order/Services/Implements/OrderService.cs
+++ b/Src/Dlhis.Canteen/Order/Services/Implements/OrderService.cs
@@ -526,7 +526,7 @@ public class OrderService : BaseOrderService, IOrderService
                     var beginOfDay = request.CostDateTime.Date;
 
                     var setTime = beginOfDay.Add(switchTime.Value.ToTimeSpan());
-                    if (request.CostDateTime.Date < setTime)
+                    if (request.CostDateTime < setTime)
                         costDate = request.CostDateTime.Date.AddDays(-1);
                 }
             }