diff --git a/app/controllers/managements_controller.rb b/app/controllers/managements_controller.rb
index 2c0761c9..7e3b3eb0 100644
--- a/app/controllers/managements_controller.rb
+++ b/app/controllers/managements_controller.rb
@@ -2967,7 +2967,7 @@ end
                   # end
                   extra = member_role == 2 ? 9 : (member_role == 3 ? 7 : 10)
                   Tiding.create(:user_id => user.id, :trigger_user_id => course.tea_id, :container_id => course.id, :container_type => 'TeacherJoinCourse',
-                                :belong_container_id => course.id, :belong_container_type => "Course", :tiding_type => "System", :extra => member_role)
+                                :belong_container_id => course.id, :belong_container_type => "Course", :tiding_type => "System", :extra => extra)
                   member.course_group_id = course_group.try(:id).to_i
                   course.course_members << member