diff --git a/IRaCIS.Core.Application/Service/ReadingCalculate/RECIST1Point1CalculateService.cs b/IRaCIS.Core.Application/Service/ReadingCalculate/RECIST1Point1CalculateService.cs
index 12f265cc6..8718f4bbe 100644
--- a/IRaCIS.Core.Application/Service/ReadingCalculate/RECIST1Point1CalculateService.cs
+++ b/IRaCIS.Core.Application/Service/ReadingCalculate/RECIST1Point1CalculateService.cs
@@ -1045,10 +1045,10 @@ namespace IRaCIS.Core.Application.Service.ReadingCalculate
                 SODPercent = inDto.QuestionInfo.Where(x => x.QuestionType == QuestionType.SODPercent).Sum(x => x.Answer.IsNullOrEmptyReturn0()),
 
                 // SOD 百分比与基线期SOD相比减小≥30% bool
-                SODPercentBigger30 = inDto.QuestionInfo.Where(x => x.QuestionType == QuestionType.SODPercent).Sum(x => x.Answer.IsNullOrEmptyReturn0()) >= 30,
+                SODPercentBigger30 = inDto.QuestionInfo.Where(x => x.QuestionType == QuestionType.SODPercent).Sum(x => x.Answer.IsNullOrEmptyReturn0()) <=- 30,
 
                 // SOD 百分比 与基线期SOD相比减小＜30% bool
-                SODPercentLess30 = inDto.QuestionInfo.Where(x => x.QuestionType == QuestionType.SODPercent).Sum(x => x.Answer.IsNullOrEmptyReturn0()) < 30,
+                SODPercentLess30 = inDto.QuestionInfo.Where(x => x.QuestionType == QuestionType.SODPercent).Sum(x => x.Answer.IsNullOrEmptyReturn0()) > -30,
 
                 // SOD 百分比 整体访视期间SOD最低点SOD相比增加＜20%
                 LowPercentLess20 = inDto.QuestionInfo.Where(x => x.QuestionType == QuestionType.LowPercent).Sum(x => x.Answer.IsNullOrEmptyReturn0()) < 20,