diff --git a/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs b/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs
index 447335c20..c4f54f1e5 100644
--- a/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs
+++ b/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs
@@ -480,7 +480,7 @@ namespace IRaCIS.Core.Application.Service
                  }).ToListAsync();
 
 
-            return questionMarkList.Union(rowMarkList).ToList();
+            return questionMarkList.Union(rowMarkList).OrderBy(x=>x.MarkName).ToList();
 
         }
 
@@ -506,7 +506,7 @@ namespace IRaCIS.Core.Application.Service
                     MarkId = x.MarkId,
                 }).ToListAsync();
 
-            return markList;
+            return markList.OrderBy(x => x.MarkName).ToList();
 
         }