diff --git a/IRaCIS.Core.Application/Service/Reading/Dto/ReadingImageTaskViewModel.cs b/IRaCIS.Core.Application/Service/Reading/Dto/ReadingImageTaskViewModel.cs
index cab45c5cd..d863fd555 100644
--- a/IRaCIS.Core.Application/Service/Reading/Dto/ReadingImageTaskViewModel.cs
+++ b/IRaCIS.Core.Application/Service/Reading/Dto/ReadingImageTaskViewModel.cs
@@ -387,6 +387,7 @@ namespace IRaCIS.Core.Application.Service.Reading.Dto
     {
         public string Answer { get; set; }
 
+        public bool IsFirstChangeTask { get; set; } = false;
         public List<CrterionDictionaryGroup> CrterionDictionaryGroup { get; set; }
 
         public List<DicomReadingQuestionAnswer> Childrens = new List<DicomReadingQuestionAnswer>();
diff --git a/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs b/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs
index 44b1008da..0cd00e6ee 100644
--- a/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs
+++ b/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs
@@ -643,6 +643,14 @@ namespace IRaCIS.Application.Services
                 {
                     x.CrterionDictionaryGroup = taskinfo.CrterionDictionaryGroup;
                 });
+
+                if (taskinfo.IsConvertedTask && taskinfo.BeforeConvertedTaskId != null)
+                {
+                    questions.ForEach(x =>
+                    {
+                        x.IsFirstChangeTask =true;
+                    });
+                }
             }
             else
             {