diff --git a/Src/Dlhis.Canteen/Order/Services/Implements/BalanceSummaryService.cs b/Src/Dlhis.Canteen/Order/Services/Implements/BalanceSummaryService.cs
index 06a8cb0f..38da0608 100644
--- a/Src/Dlhis.Canteen/Order/Services/Implements/BalanceSummaryService.cs
+++ b/Src/Dlhis.Canteen/Order/Services/Implements/BalanceSummaryService.cs
@@ -29,7 +29,7 @@ public class BalanceSummaryService : IBalanceSummaryService
 
         var shifts = Enum.GetValues<ShiftEnumType>().ToList();
 
-        var page = list.GroupBy(record => record.CostDate).Select(grp =>
+        var page = list.GroupBy(record => record.CostDate.Date).Select(grp =>
         {
             return new BalanceRecordAnalysisResponse
             {