diff --git a/IRaCIS.Core.Application/Service/Allocation/VisitTaskService.cs b/IRaCIS.Core.Application/Service/Allocation/VisitTaskService.cs
index c1e223dcb..3b70a8eac 100644
--- a/IRaCIS.Core.Application/Service/Allocation/VisitTaskService.cs
+++ b/IRaCIS.Core.Application/Service/Allocation/VisitTaskService.cs
@@ -357,13 +357,14 @@ namespace IRaCIS.Core.Application.Service
 
                 var visitTaskQuery = visitGroupQuery.Select(x=> new IRUnReadSubjectView() {
                     SubjectId=x.Key.SubjectId,
-                        SubjectCode=x.Key.BlindSubjectCode==null?x.Key.Code: x.Key.BlindSubjectCode,
+                        SubjectCode=x.Key.BlindSubjectCode==string.Empty?x.Key.Code: x.Key.BlindSubjectCode,
                         UnReadTaskCount=x.Count(),
                         UnReadTaskList=x.Select(u => new IRUnreadTaskView() { Id = u.Id, IsUrgent = u.IsUrgent, SuggesteFinishedTime = u.SuggesteFinishedTime }).ToList(),
                     });
 
                 var totalCount = visitGroupQuery.Count();
-                var currentPageData = await visitTaskQuery.OrderBy(x => x.SubjectCode).Skip((iRUnReadSubjectQuery.PageIndex - 1) * iRUnReadSubjectQuery.PageSize).Take(iRUnReadSubjectQuery.PageSize).ToListAsync();
+                var currentPageData = await visitTaskQuery.OrderBy(x => x.SubjectCode).Skip((iRUnReadSubjectQuery.PageIndex - 1) * iRUnReadSubjectQuery.PageSize)
+                    .Take(iRUnReadSubjectQuery.PageSize).ToListAsync();
                
                 var result = new PageOutput<IRUnReadSubjectView>()
                 {