diff --git a/IRaCIS.Core.Application/Service/Doctor/DoctorListService.cs b/IRaCIS.Core.Application/Service/Doctor/DoctorListService.cs
index f9780ba8c..58d844598 100644
--- a/IRaCIS.Core.Application/Service/Doctor/DoctorListService.cs
+++ b/IRaCIS.Core.Application/Service/Doctor/DoctorListService.cs
@@ -76,7 +76,7 @@ namespace IRaCIS.Core.Application.Service
             var guidList = inQuery.ReadingTypeIdList.Concat(inQuery.SubspecialityIdList).Concat(inQuery.TitleIdList);
 
             var query = _doctorRepository/*.WhereIf(nation != AttendedReviewerType.USAndCN,  t => t.Nation ==(int) nation)*/
-
+             .Where(x=>x.TrialId==null)
              .WhereIf(inQuery.DepartmentId != null, t => t.DepartmentId == inQuery.DepartmentId)
              .WhereIf(inQuery.SpecialityId != null, t => t.SpecialityId == inQuery.SpecialityId)
              .WhereIf(trialConfig.TrialType == TrialType.NoneOfficial, t => t.IsVirtual == true)