diff --git a/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs b/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs
index d645c98f5..d951154ef 100644
--- a/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs
+++ b/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs
@@ -1270,7 +1270,7 @@ namespace IRaCIS.Core.Application.Service
 
             List<Guid?> rowidnull = rowids.Select(x => (Guid?)x).ToList();
 
-            var tableQuestionMarkList = await _readingTaskQuestionMarkRepository.Where(x => x.VisitTaskId == inDto.VisitTaskId
+            var tableQuestionMarkList = await _readingTaskQuestionMarkRepository.Where(x => x.VisitTaskId == inDto.VisitTaskId&&x.QuestionId!=null
             ).ProjectTo<QuestionMarkInfo>(_mapper.ConfigurationProvider).ToListAsync();
 
             return (await GetReadingTableQuestion(