diff --git a/IRaCIS.Core.Application/Service/Common/Export/TumorExportService.cs b/IRaCIS.Core.Application/Service/Common/Export/TumorExportService.cs
index cf4f60a68..1d0efdc85 100644
--- a/IRaCIS.Core.Application/Service/Common/Export/TumorExportService.cs
+++ b/IRaCIS.Core.Application/Service/Common/Export/TumorExportService.cs
@@ -1786,6 +1786,6 @@ public class Tumor_CDISC_ExportService(IRepository<ReadingQuestionCriterionTrial
             }
 
         }
-        return resultExceptJudgeList.Union(judegeList).ToList();
+        return resultExceptJudgeList.Union(judegeList).OrderBy(t => t.SubjectCode).ThenBy(t => t.VisitTaskNum).ThenBy(t => t.ArmEnum).ToList();
     }
 }