diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index 3b5afae08..a14ade71a 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -199,6 +199,7 @@ class CoursesController < ApplicationController
   end
 
   def searchmembers
+    @subPage_title = l :label_student_list
     @render_file = 'member_list'
     @canShowCode = isCourseTeacher(User.current.id,@course) && params[:role] != '1'
     @is_remote = true
@@ -211,6 +212,7 @@ class CoursesController < ApplicationController
   end
 
   def addgroups
+    @subPage_title = l :label_student_list
     if params[:group_name]
       group = CourseGroup.new
       group.name = params[:group_name]
@@ -225,6 +227,7 @@ class CoursesController < ApplicationController
   end
 
   def updategroupname
+    @subPage_title = l :label_student_list
     if params[:group_name]
       group = CourseGroup.find(params[:group_id])
       group.name = params[:group_name]
@@ -237,6 +240,7 @@ class CoursesController < ApplicationController
     @course_groups = @course.course_groups
   end
   def join_group
+    @subPage_title = l :label_student_list
     group = CourseGroup.find(params[:object_id])
     member = Member.where(:course_id => @course.id, :user_id => User.current.id).first
     member.course_group_id = group.id
@@ -248,6 +252,7 @@ class CoursesController < ApplicationController
     search_group_members group
   end
   def unjoin_group
+    @subPage_title = l :label_student_list
     group = CourseGroup.find(params[:object_id])
     member = Member.where(:course_id => @course.id, :user_id => User.current.id).first
     member.course_group_id = 0
@@ -259,6 +264,7 @@ class CoursesController < ApplicationController
     search_group_members group
   end
   def searchgroupmembers
+    @subPage_title = l :label_student_list
     @render_file = 'member_list'
     @canShowCode = isCourseTeacher(User.current.id,@course) && params[:role] != '1'
     @is_remote = true
@@ -273,6 +279,7 @@ class CoursesController < ApplicationController
     @results = paginateHelper @results
   end
   def search_group_members group
+    @subPage_title = l :label_student_list
     @render_file = 'member_list'
     @canShowCode = isCourseTeacher(User.current.id,@course) && params[:role] != '1'
     @is_remote = true
diff --git a/app/controllers/members_controller.rb b/app/controllers/members_controller.rb
index fa19a1a3d..867c2a302 100644
--- a/app/controllers/members_controller.rb
+++ b/app/controllers/members_controller.rb
@@ -217,6 +217,7 @@ class MembersController < ApplicationController
             joined.each do |join|
               join.delete
             end
+            @member.course_group_id = 0
           end
           if role.allowed_to?(:is_manager)
             @courseInfo = CourseInfos.new(:user_id => @member.user_id, :course_id => @course.id)