diff --git a/IRaCIS.Core.Application/Service/ReadingCalculate/LuganoCalculateService.cs b/IRaCIS.Core.Application/Service/ReadingCalculate/LuganoCalculateService.cs
index ce9102183..7263e8e18 100644
--- a/IRaCIS.Core.Application/Service/ReadingCalculate/LuganoCalculateService.cs
+++ b/IRaCIS.Core.Application/Service/ReadingCalculate/LuganoCalculateService.cs
@@ -1664,7 +1664,7 @@ namespace IRaCIS.Core.Application.Service.ReadingCalculate
             var presentSpleenLength = inDto.QuestionInfo.Where(x => x.QuestionType == QuestionType.SpleenLength).Select(x => x.Answer).FirstOrDefault().IsNullOrEmptyReturn0();
             if (baseLineSpleenLength - 130 != 0)
             {
-                return (presentSpleenLength - 130 - (baseLineSpleenLength - 130)) / (baseLineSpleenLength - 130);
+                return (presentSpleenLength - 130 - (baseLineSpleenLength - 130))*100 / (baseLineSpleenLength - 130);
             }
             else
             {