diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index b0bde0f9d..f83a5657f 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -243,6 +243,7 @@ class CoursesController < ApplicationController
     member.save
     @group = group
     @members = searchStudent(@course)
+    @course_groups = @course.course_groups
     @membercount = @members.count
     search_group_members group
   end
@@ -252,6 +253,7 @@ class CoursesController < ApplicationController
     member.course_group_id = 0
     member.save
     @group = group
+    @course_groups = @course.course_groups
     @members = searchStudent(@course)
     @membercount = @members.count
     search_group_members group
diff --git a/app/views/courses/join_group.js.erb b/app/views/courses/join_group.js.erb
index d1901db83..7bdefdb9f 100644
--- a/app/views/courses/join_group.js.erb
+++ b/app/views/courses/join_group.js.erb
@@ -1,2 +1,2 @@
-
+$("#st_groups").html("<%= escape_javascript(  render :partial => 'groups_name', locals: {:course_groups => @course_groups})%>");
 $("#member_content").html("<%= escape_javascript( render :partial => @render_file, :locals => {:members => @results})%>");
\ No newline at end of file
diff --git a/app/views/courses/unjoin_group.js.erb b/app/views/courses/unjoin_group.js.erb
index d1901db83..7bdefdb9f 100644
--- a/app/views/courses/unjoin_group.js.erb
+++ b/app/views/courses/unjoin_group.js.erb
@@ -1,2 +1,2 @@
-
+$("#st_groups").html("<%= escape_javascript(  render :partial => 'groups_name', locals: {:course_groups => @course_groups})%>");
 $("#member_content").html("<%= escape_javascript( render :partial => @render_file, :locals => {:members => @results})%>");
\ No newline at end of file