diff --git a/IRaCIS.Core.Application/Service/ReadingCalculate/ReadingCalculateService.cs b/IRaCIS.Core.Application/Service/ReadingCalculate/ReadingCalculateService.cs
index 6dcd00dd4..865fe1632 100644
--- a/IRaCIS.Core.Application/Service/ReadingCalculate/ReadingCalculateService.cs
+++ b/IRaCIS.Core.Application/Service/ReadingCalculate/ReadingCalculateService.cs
@@ -189,7 +189,7 @@ namespace IRaCIS.Core.Application.Service.ReadingCalculate
             {
 
                 var taskInfo = await _visitTaskRepository.Where(x => x.Id == inDto.VisitTaskId).FirstNotNullAsync();
-                if (taskInfo.SignTime == null)
+                if (taskInfo.ReadingTaskState != ReadingTaskState.HaveSigned)
                 {
                     await service.CalculateTask(new CalculateTaskInDto()
                     {