diff --git a/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EducationalAdministration/StuInfoBasic/StuInfoBasicService.cs b/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EducationalAdministration/StuInfoBasic/StuInfoBasicService.cs
index 20e052798..d5b6c5a29 100644
--- a/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EducationalAdministration/StuInfoBasic/StuInfoBasicService.cs	
+++ b/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EducationalAdministration/StuInfoBasic/StuInfoBasicService.cs	
@@ -1121,6 +1121,10 @@ namespace Learun.Application.TwoDevelopment.EducationalAdministration
                     {
                         dormitory.StudentID = "";
                         dormitory.StuName = "";
+                        dormitory.Dept = "";
+                        dormitory.Class = "";
+                        dormitory.Major = "";
+                        dormitory.MainClass = "";
                         db.Update(dormitory);
                         //宿舍上一级房间，入住人数-1
                         var room = db.FindEntity<Acc_DormitoryBuildEntity>(x => x.ID == dormitory.ParentID);