diff --git a/Src/Dlhis.ScheduledTask/Jobs/CostUploadJob.cs b/Src/Dlhis.ScheduledTask/Jobs/CostUploadJob.cs
index 8d18ae87..5842eb8b 100644
--- a/Src/Dlhis.ScheduledTask/Jobs/CostUploadJob.cs
+++ b/Src/Dlhis.ScheduledTask/Jobs/CostUploadJob.cs
@@ -26,7 +26,7 @@ public class CostUploadJob : BaseJob
 
         var year = now.Month == 1 ? now.Year - 1 : now.Year;
         var month = now.Month == 1 ? 12 : now.Month - 1;
-        
+
         var s = new DateTime(year, month, 1);
         var e = new DateTime(year, month + 1, 1);
         var endDayOfMonth = e.AddDays(-1);
@@ -60,7 +60,7 @@ public class CostUploadJob : BaseJob
                     {
                         WorkCode = userCode,
                         BeginDate = endDayOfMonth.ToString("yyyy-MM-dd"),
-                        Charge = balance,
+                        Charge = Math.Abs(balance),
                         Code= "2086"
                     }
                 }