diff --git a/IRaCIS.Core.Application/Service/QC/QCOperationService.cs b/IRaCIS.Core.Application/Service/QC/QCOperationService.cs
index f8e77db0e..44bdd3fc5 100644
--- a/IRaCIS.Core.Application/Service/QC/QCOperationService.cs
+++ b/IRaCIS.Core.Application/Service/QC/QCOperationService.cs
@@ -930,7 +930,7 @@ namespace IRaCIS.Core.Application.Image.QA
                 case TrialQCProcess.SingleAudit:
                     visitList = await _subjectVisitRepository.Where(x => x.SubmitState == SubmitStateEnum.Submitted
                     && x.TrialId == inDto.TrialId && x.PreliminaryAuditUserId!= _userInfo.Id&&(x.CurrentActionUserId == _userInfo.Id || (x.AuditState != AuditStateEnum.PrimaryQCPassed && !x.IsTake)))
-						   .Where(x => !(x.QCChallengeList.Count() > 0 && x.QCChallengeList.OrderByDescending(x => x.CreateTime).FirstOrDefault().UserTypeEnum == UserTypeEnum.IQC))
+						   .Where(x => x.QCChallengeList.Count() == 0 || x.QCChallengeList.OrderByDescending(x => x.CreateTime).FirstOrDefault().UserTypeEnum != UserTypeEnum.IQC)
 						.Include(x => x.Subject).ToListAsync();
 
                      subjectVisit = visitList.Where(x => x.SubjectId == inDto.SubjectId)
@@ -964,7 +964,7 @@ namespace IRaCIS.Core.Application.Image.QA
                     visitList = await _subjectVisitRepository.Where(x => x.SubmitState == SubmitStateEnum.Submitted && x.TrialId == inDto.TrialId &&
                     ((x.CurrentActionUserId == _userInfo.Id)||(!x.IsTake&& x.AuditState != AuditStateEnum.QCPassed&& (x.PreliminaryAuditUserId != _userInfo.Id)))
                     )
-						   .Where(x => !(x.QCChallengeList.Count() > 0 && x.QCChallengeList.OrderByDescending(x => x.CreateTime).FirstOrDefault().UserTypeEnum == UserTypeEnum.IQC))
+				   .Where(x => x.QCChallengeList.Count() == 0 || x.QCChallengeList.OrderByDescending(x => x.CreateTime).FirstOrDefault().UserTypeEnum != UserTypeEnum.IQC)
 						.Include(x => x.Subject).ToListAsync();
                     if (subjectVisit != null)
                     {