diff --git a/IRaCIS.Core.Application/Service/QC/TrialQCQuestionService.cs b/IRaCIS.Core.Application/Service/QC/TrialQCQuestionService.cs
index 1eb3379ed..064deaf6b 100644
--- a/IRaCIS.Core.Application/Service/QC/TrialQCQuestionService.cs
+++ b/IRaCIS.Core.Application/Service/QC/TrialQCQuestionService.cs
@@ -139,7 +139,7 @@ namespace IRaCIS.Core.Application.Contracts
         {
 
             await VerifyIsQCConfirmedAsync(trialId);
-            var maxShowOrder = await _trialQcQuestionRepository.Where(x => x.TrialId == trialId).MaxAsync(x => x.ShowOrder);
+            var maxShowOrder = await _trialQcQuestionRepository.Where(x => x.TrialId == trialId).OrderByDescending(x=>x.ShowOrder).Select(x => x.ShowOrder).FirstOrDefaultAsync();
             batchList.ForEach(x =>
             {
                 x.ShowOrder= maxShowOrder++;