diff --git a/IRaCIS.Core.Application/Service/ReadingCalculate/RECIST1Point1_BMCalculateService.cs b/IRaCIS.Core.Application/Service/ReadingCalculate/RECIST1Point1_BMCalculateService.cs
index 1c135a7e9..06e9262d1 100644
--- a/IRaCIS.Core.Application/Service/ReadingCalculate/RECIST1Point1_BMCalculateService.cs
+++ b/IRaCIS.Core.Application/Service/ReadingCalculate/RECIST1Point1_BMCalculateService.cs
@@ -1465,7 +1465,7 @@ namespace IRaCIS.Core.Application.Service.ReadingCalculate
                 PresentSod = (await GetSODData(inDto)) ?? 0,
 
                 //非淋巴结靶病灶长径之和  decimal
-                SumOfDiameter = inDto.QuestionInfo.Where(x => x.QuestionType == QuestionType.SumOfDiameter).Sum(x => x.Answer.IsNullOrEmptyReturn0()),
+                SumOfDiameter = (await GetSumOfDiameter(inDto))??0,
 
                 //所有淋巴结靶病灶的短径小于10mm bool
                 DiameterLessThan10 = true,