diff --git a/Src/Dlhis.Canteen/Order/Services/Implements/BalanceService.cs b/Src/Dlhis.Canteen/Order/Services/Implements/BalanceService.cs
index 5b704377..3b7bdd0f 100644
--- a/Src/Dlhis.Canteen/Order/Services/Implements/BalanceService.cs
+++ b/Src/Dlhis.Canteen/Order/Services/Implements/BalanceService.cs
@@ -364,7 +364,7 @@ public class BalanceService : IBalanceService
             .Where(x => x.CostDate >= monthStart && x.CostDate <= monthEnd)
             .Where(x => x.Status == BalanceRecordStatusEnumType.Valid)
             .Where(x => x.Source != BalanceRecordSourceEnumType.EMealVoucher)
-            .SumAsync(x => SqlFunc.Abs(x.Amount));
+            .SumAsync(x => x.Amount);
 
         return new BalanceRecordUserResultResponse
         {