diff --git a/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs b/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs
index a81a1ad7..5878e886 100644
--- a/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs
+++ b/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs
@@ -131,12 +131,33 @@ namespace IRaCIS.Application.Services
         [HttpPost]
         public async Task ChangeCalculationAnswer(ChangeCalculationAnswerInDto inDto)
         {
+            var visitTask = await _visitTaskRepository.Where(x => x.Id == inDto.VisitTaskId).FirstNotNullAsync();
+
+            var questionAnswerList = await _readingTaskQuestionAnswerRepository.Where(x => x.VisitTaskId == inDto.VisitTaskId).ToListAsync();
+
+
             foreach (var item in inDto.QuestionAnswer)
             {
-                await _readingTaskQuestionAnswerRepository.UpdatePartialFromQueryAsync(x=>x.VisitTaskId==inDto.VisitTaskId&&x.ReadingQuestionTrialId==item.QuestionId, x => new ReadingTaskQuestionAnswer()
+                if (questionAnswerList.Any(x => x.ReadingQuestionTrialId == item.QuestionId))
                 {
-                    Answer = item.Answer,
-                });
+                    await _readingTaskQuestionAnswerRepository.UpdatePartialFromQueryAsync(x => x.VisitTaskId == inDto.VisitTaskId && x.ReadingQuestionTrialId == item.QuestionId, x => new ReadingTaskQuestionAnswer()
+                    {
+                        Answer = item.Answer,
+                    });
+                }
+                else 
+                {
+                    await _readingTaskQuestionAnswerRepository.AddAsync(new ReadingTaskQuestionAnswer() { 
+                    Answer=item.Answer,
+                    ReadingQuestionCriterionTrialId= visitTask.TrialReadingCriterionId,
+                    ReadingQuestionTrialId= item.QuestionId,
+                    SubjectId= visitTask.SubjectId,
+                    VisitTaskId=inDto.VisitTaskId,
+                    TrialId= visitTask.TrialId
+                    });
+                }
+
+               
             }
 
             foreach (var item in inDto.TableQuestionAnswer)