diff --git a/IRaCIS.Core.Application/Service/Reading/ReadingImageTaskService.cs b/IRaCIS.Core.Application/Service/Reading/ReadingImageTaskService.cs
index a36fcc753..f817c9368 100644
--- a/IRaCIS.Core.Application/Service/Reading/ReadingImageTaskService.cs
+++ b/IRaCIS.Core.Application/Service/Reading/ReadingImageTaskService.cs
@@ -389,7 +389,7 @@ namespace IRaCIS.Application.Services
                 SourceSubjectVisitId = firstTask.SourceSubjectVisitId,
                 SubjectId = firstTask.SubjectId,
                 ReadingTaskState = ReadingTaskState.WaitReading,
-                TaskName = firstTask.TaskName + "AD",
+                TaskName = firstTask.TaskName + " AD",
                 ReadingCategory = ReadingCategory.Judge,
                 TrialId = firstTask.TrialId,
             };