diff --git a/IRaCIS.Core.Application/Service/QC/QCListService.cs b/IRaCIS.Core.Application/Service/QC/QCListService.cs
index 45dea1ae6..19699d957 100644
--- a/IRaCIS.Core.Application/Service/QC/QCListService.cs
+++ b/IRaCIS.Core.Application/Service/QC/QCListService.cs
@@ -213,7 +213,7 @@ namespace IRaCIS.Core.Application.Image.QA
                         .WhereIf(visitSearchDTO.BeginAuditTime != null, t =>   t.Trial.QCProcessEnum==TrialQCProcess.SingleAudit?  t.PreliminaryAuditTime>= visitSearchDTO.BeginAuditTime: 
                         (t.Trial.QCProcessEnum == TrialQCProcess.DoubleAudit?t.ReviewAuditTime>= visitSearchDTO.BeginAuditTime:true))
 
-                         .WhereIf(visitSearchDTO.EndAuditTime != null, t => t.Trial.QCProcessEnum == TrialQCProcess.SingleAudit ? t.ReviewAuditTime <= visitSearchDTO.EndAuditTime :
+                         .WhereIf(visitSearchDTO.EndAuditTime != null, t => t.Trial.QCProcessEnum == TrialQCProcess.SingleAudit ? t.PreliminaryAuditTime <= visitSearchDTO.EndAuditTime :
                         (t.Trial.QCProcessEnum == TrialQCProcess.DoubleAudit ? t.ReviewAuditTime <= visitSearchDTO.EndAuditTime : true))
 
                         //.WhereIf(visitSearchDTO.SubmitState != null, t => t.SubmitState == visitSearchDTO.SubmitState)