diff --git a/IRaCIS.Core.Application/Service/ReadingCalculate/PCWG3CalculateService.cs b/IRaCIS.Core.Application/Service/ReadingCalculate/PCWG3CalculateService.cs
index efa81ead8..ce3946d3c 100644
--- a/IRaCIS.Core.Application/Service/ReadingCalculate/PCWG3CalculateService.cs
+++ b/IRaCIS.Core.Application/Service/ReadingCalculate/PCWG3CalculateService.cs
@@ -697,7 +697,7 @@ namespace IRaCIS.Core.Application.Service.ReadingCalculate
         {
             if (inDto.IsBaseLine)
             {
-                return 0;
+                return -1;
             }
             var taskinfo = await _visitTaskRepository.Where(x => x.Id == inDto.VisitTaskId).FirstNotNullAsync();
             var taskList = await GetSiteVisitForTumorList(inDto);