diff --git a/IRaCIS.Core.Application/Service/SiteSurvey/DTO/TrialSiteSurveyViewModel.cs b/IRaCIS.Core.Application/Service/SiteSurvey/DTO/TrialSiteSurveyViewModel.cs
index 5d23847f5..c78b39c9d 100644
--- a/IRaCIS.Core.Application/Service/SiteSurvey/DTO/TrialSiteSurveyViewModel.cs
+++ b/IRaCIS.Core.Application/Service/SiteSurvey/DTO/TrialSiteSurveyViewModel.cs
@@ -232,7 +232,7 @@ namespace IRaCIS.Core.Application.Contracts
     {
         public string EmailOrPhone { get; set; }
 
-        public Guid TrialId { get; set; }
+        public Guid? TrialId { get; set; }
     }
 
     public class VerifyEmialGetDoctorInfoInDto
diff --git a/IRaCIS.Core.Application/Service/SiteSurvey/TrialSiteSurveyService.cs b/IRaCIS.Core.Application/Service/SiteSurvey/TrialSiteSurveyService.cs
index 88a0e24aa..a6b34093e 100644
--- a/IRaCIS.Core.Application/Service/SiteSurvey/TrialSiteSurveyService.cs
+++ b/IRaCIS.Core.Application/Service/SiteSurvey/TrialSiteSurveyService.cs
@@ -170,7 +170,8 @@ namespace IRaCIS.Core.Application.Contracts
                     AcceptingNewTrial = false,
                     ActivelyReading = false,
                     ResumeStatus = ResumeStatusEnum.Pass,
-                    CooperateStatus = ContractorStatusEnum.Noncooperation,
+                    CooperateStatus = inDto.TrialId==null?  ContractorStatusEnum.Noncooperation: ContractorStatusEnum.Cooperation,
+,
 
                     ReviewStatus = ReviewerInformationConfirmStatus.ConfirmRefuse
                 };