diff --git a/IRaCIS.Core.Application/Service/Reading/ReadingQuestionService.cs b/IRaCIS.Core.Application/Service/Reading/ReadingQuestionService.cs
index ca7174ffe..b37619c7f 100644
--- a/IRaCIS.Core.Application/Service/Reading/ReadingQuestionService.cs
+++ b/IRaCIS.Core.Application/Service/Reading/ReadingQuestionService.cs
@@ -416,7 +416,7 @@ namespace IRaCIS.Application.Services
                  .WhereIf(!inDto.QuestionName.IsNullOrEmpty(), x => x.QuestionName.Contains(inDto.QuestionName))
                   .WhereIf(!inDto.Type.IsNullOrEmpty(), x => x.Type.Contains(inDto.Type))
                  .ProjectTo<ReadingQuestionSystemView>(_mapper.ConfigurationProvider);
-            return await query.ToPagedListAsync(inDto.PageIndex, inDto.PageSize, inDto.SortField == null ? nameof(ReadingQuestionSystemView.QuestionName) : inDto.SortField,
+            return await query.ToPagedListAsync(inDto.PageIndex, inDto.PageSize, inDto.SortField.IsNullOrEmpty() ? nameof(ReadingQuestionSystemView.ShowOrder) : inDto.SortField,
              inDto.Asc);
         }
 
@@ -724,7 +724,7 @@ namespace IRaCIS.Application.Services
                  .WhereIf(!inDto.QuestionName.IsNullOrEmpty(), x => x.QuestionName.Contains(inDto.QuestionName))
                   .WhereIf(!inDto.Type.IsNullOrEmpty(), x => x.Type.Contains(inDto.Type))
                  .ProjectTo<ReadingQuestionTrialView>(_mapper.ConfigurationProvider);
-            return await query.ToPagedListAsync(inDto.PageIndex, inDto.PageSize, inDto.SortField == null ? nameof(ReadingQuestionTrialView.QuestionName) : inDto.SortField,
+            return await query.ToPagedListAsync(inDto.PageIndex, inDto.PageSize, inDto.SortField.IsNullOrEmpty() ? nameof(ReadingQuestionTrialView.ShowOrder) : inDto.SortField,
              inDto.Asc);
         }