diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index fb7bf50f0..5c42db5c2 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -309,6 +309,10 @@ class ApplicationController < ActionController::Base
     render_404 unless @object.present?
 
     @project = @object.project
+    if @project == nil && @object.has_attribute?('course_id')
+      @course = @object.course
+    end
+
   end
 
   def find_model_object
diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index 30f28a889..2c051dbb7 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -1,4 +1,5 @@
 class CoursesController < ApplicationController
+  layout 'base_courses'
   include CoursesHelper
   helper :activities
   helper :members
diff --git a/app/controllers/members_controller.rb b/app/controllers/members_controller.rb
index 30c6c7e80..53dd903e5 100644
--- a/app/controllers/members_controller.rb
+++ b/app/controllers/members_controller.rb
@@ -21,15 +21,16 @@ class MembersController < ApplicationController
   before_filter :find_project_by_project_id, :only => [:index, :create, :autocomplete]
   before_filter :authorize
   accept_api_auth :index, :show, :create, :update, :destroy
+
   def index
     @offset, @limit = api_offset_and_limit
     @member_count = @project.member_principals.count
     @member_pages = Paginator.new @member_count, @limit, params['page']
     @offset ||= @member_pages.offset
-    @members =  @project.member_principals.all(
-      :order => "#{Member.table_name}.id",
-      :limit  =>  @limit,
-      :offset =>  @offset
+    @members = @project.member_principals.all(
+        :order => "#{Member.table_name}.id",
+        :limit => @limit,
+        :offset => @offset
     )
 
     respond_to do |format|
@@ -59,121 +60,217 @@ class MembersController < ApplicationController
         end
       end
     else
+      #modify by nwb
+      #更改课程成员逻辑
       applied_members = false
       members = []
-      project_info = []
       user_grades = []
-      if params[:membership]
-        if params[:membership][:user_ids]
-          attrs = params[:membership].dup
-          user_ids = attrs.delete(:user_ids)
-          user_ids.each do |user_id|
-            members << Member.new(:role_ids => params[:membership][:role_ids], :user_id => user_id)
-            user_grades << UserGrade.new(:user_id => user_id, :project_id => @project.id)
+      if @project
+        project_info = []
+        if params[:membership]
+          if params[:membership][:user_ids]
+            attrs = params[:membership].dup
+            user_ids = attrs.delete(:user_ids)
+            user_ids.each do |user_id|
+              members << Member.new(:role_ids => params[:membership][:role_ids], :user_id => user_id)
+              user_grades << UserGrade.new(:user_id => user_id, :project_id => @project.id)
+              ## added by nie
+              if (params[:membership][:role_ids] && params[:membership][:role_ids][0] == "3")
+                project_info << ProjectInfo.new(:user_id => user_id, :project_id => @project.id)
+                # ProjectInfo.create(:name => "test", :user_id => 123)
+              end
+              ## end
+            end
+          else
+            members << Member.new(:role_ids => params[:membership][:role_ids], :user_id => params[:membership][:user_id])
+            user_grades << UserGrade.new(:user_id => params[:membership][:user_id], :project_id => @project.id)
             ## added by nie
             if (params[:membership][:role_ids] && params[:membership][:role_ids][0] == "3")
-              project_info << ProjectInfo.new(:user_id => user_id, :project_id => @project.id)
-              # ProjectInfo.create(:name => "test", :user_id => 123)
+              project_info << ProjectInfo.new(:project_id => @project.id, :user_id => params[:membership][:user_id])
             end
             ## end
-             end
-        else
-          members << Member.new(:role_ids => params[:membership][:role_ids], :user_id => params[:membership][:user_id])
-          user_grades << UserGrade.new(:user_id => params[:membership][:user_id], :project_id => @project.id)
-          ## added by nie
-          if (params[:membership][:role_ids] && params[:membership][:role_ids][0] == "3")
-            project_info << ProjectInfo.new(:project_id => @project.id, :user_id => params[:membership][:user_id])
           end
-          ## end
+          @project.members << members
+          # added by nie
+          @project.project_infos << project_info
+          @project.user_grades << user_grades
+          # end
         end
-        @project.members << members
-        # added by nie
-        @project.project_infos << project_info
-        @project.user_grades << user_grades
-        # end
-      end
-    end
-
-    if members.present? && members.all? {|m| m.valid? }
-    members.each do |member|
-      AppliedProject.deleteappiled(member.user_id, @project.id)
-    end
+        if members.present? && members.all? { |m| m.valid? }
+          members.each do |member|
+            AppliedProject.deleteappiled(member.user_id, @project.id)
+          end
+        end
+        respond_to do |format|
+          format.html { redirect_to_settings_in_projects }
+          format.js { @members = members; @applied_members = applied_members; }
+          format.api {
+            @member = members.first
+            if @member.valid?
+              render :action => 'show', :status => :created, :location => membership_url(@member)
+            else
+              render_validation_errors(@member)
+            end
+          }
+        end
+      elsif @course
+        course_info = []
+        if params[:membership]
+          if params[:membership][:user_ids]
+            attrs = params[:membership].dup
+            user_ids = attrs.delete(:user_ids)
+            user_ids.each do |user_id|
+              members << Member.new(:role_ids => params[:membership][:role_ids], :user_id => user_id)
+              user_grades << UserGrade.new(:user_id => user_id, :course_id => @course.id)
+              if (params[:membership][:role_ids] && params[:membership][:role_ids][0] == "3")
+                course_info << CourseInfo.new(:user_id => user_id, :course_id => @course.id)
+              end
+            end
+          else
+            members << Member.new(:role_ids => params[:membership][:role_ids], :user_id => params[:membership][:user_id])
+            if (params[:membership][:role_ids] && params[:membership][:role_ids][0] == "3")
+              course_info << CourseInfo.new(:course_id => @course.id, :user_id => params[:membership][:user_id])
+            end
+          end
+          @course.members << members
+          @course.course_infos << course_info
+        end
+        respond_to do |format|
+          format.html { redirect_to_settings_in_courses }
+          format.js { @members = members; @applied_members = applied_members; }
+          format.api {
+            @member = members.first
+            if @member.valid?
+              render :action => 'show', :status => :created, :location => membership_url(@member)
+            else
+              render_validation_errors(@member)
+            end
+          }
+        end
+      end     # end of  if @project
 
-    end
+    end  # end of params[:refusal_button]
 
-    respond_to do |format|
-      format.html { redirect_to_settings_in_projects }
-      format.js { @members = members;@applied_members = applied_members; }
-      format.api {
-        @member = members.first
-        if @member.valid?
-          render :action => 'show', :status => :created, :location => membership_url(@member)
-        else
-          render_validation_errors(@member)
-        end
-      }
-    end
   end
 
   def update
-    if params[:membership]
-      @member.role_ids = params[:membership][:role_ids]
-
-      #added by nie
-      if(params[:membership][:role_ids] && params[:membership][:role_ids][0] == "3")
-        @projectInfo =  ProjectInfo.new(:user_id => @member.user_id, :project_id => @project.id)
-        @projectInfo.save
-      else
-        user_admin = ProjectInfo.where("user_id = ? and project_id = ?", @member.user_id, @project.id)
-        if user_admin.size > 0
-          user_admin.each do |user|
-            user.destroy
+    #modify by nwb
+    #增加对课程成员修改的支持
+    if @project
+      if params[:membership]
+        @member.role_ids = params[:membership][:role_ids]
+
+        #added by nie
+        if (params[:membership][:role_ids] && params[:membership][:role_ids][0] == "3")
+          @projectInfo = ProjectInfo.new(:user_id => @member.user_id, :project_id => @project.id)
+          @projectInfo.save
+        else
+          user_admin = ProjectInfo.where("user_id = ? and project_id = ?", @member.user_id, @project.id)
+          if user_admin.size > 0
+            user_admin.each do |user|
+              user.destroy
+            end
           end
         end
       end
-    end
 
-    saved = @member.save
-    respond_to do |format|
-      format.html { redirect_to_settings_in_projects }
-      format.js
-      format.api {
-        if saved
-          render_api_ok
+      saved = @member.save
+      respond_to do |format|
+        format.html { redirect_to_settings_in_projects }
+        format.js
+        format.api {
+          if saved
+            render_api_ok
+          else
+            render_validation_errors(@member)
+          end
+        }
+      end
+    elsif @course
+      if params[:membership]
+        @member.role_ids = params[:membership][:role_ids]
+
+        if (params[:membership][:role_ids] && params[:membership][:role_ids][0] == "3")
+          @courseInfo = CourseInfos.new(:user_id => @member.user_id, :course_id => @course.id)
+          @courseInfo.save
         else
-          render_validation_errors(@member)
+          user_admin = CourseInfos.where("user_id = ? and course_id = ?", @member.user_id, @course.id)
+          if user_admin.size > 0
+            user_admin.each do |user|
+              user.destroy
+            end
+          end
         end
-      }
+      end
+
+      saved = @member.save
+      respond_to do |format|
+        format.html { redirect_to_settings_in_courses }
+        format.js
+        format.api {
+          if saved
+            render_api_ok
+          else
+            render_validation_errors(@member)
+          end
+        }
+      end
     end
+
   end
 
   def destroy
-    if request.delete? && @member.deletable?
-      @member.destroy
-      # end
-      user_admin = ProjectInfo.where("user_id = ? and project_id = ?", @member.user_id, @project.id)
-      if user_admin.size > 0
-        user_admin.each do |user|
-          user.destroy
+    #modify by nwb
+    #课程成员删除修改
+    if @project
+      if request.delete? && @member.deletable?
+        @member.destroy
+        # end
+        user_admin = ProjectInfo.where("user_id = ? and project_id = ?", @member.user_id, @project.id)
+        if user_admin.size > 0
+          user_admin.each do |user|
+            user.destroy
+          end
         end
-      end
-      user_grade = UserGrade.where("user_id = ? and project_id = ?", @member.user_id, @project.id)
-      if user_grade.size > 0
-        user_grade.each do |grade|
-          grade.destroy
+        user_grade = UserGrade.where("user_id = ? and project_id = ?", @member.user_id, @project.id)
+        if user_grade.size > 0
+          user_grade.each do |grade|
+            grade.destroy
+          end
         end
       end
-    end
-    respond_to do |format|
-      format.html { redirect_to_settings_in_projects }
-      format.js
-      format.api {
-        if @member.destroyed?
-          render_api_ok
-        else
-          head :unprocessable_entity
+      respond_to do |format|
+        format.html { redirect_to_settings_in_projects }
+        format.js
+        format.api {
+          if @member.destroyed?
+            render_api_ok
+          else
+            head :unprocessable_entity
+          end
+        }
+      end
+    elsif @course
+      if request.delete? && @member.deletable?
+        @member.destroy
+        user_admin = CourseInfos.where("user_id = ? and course_id = ?", @member.user_id, @course.id)
+        if user_admin.size > 0
+          user_admin.each do |user|
+            user.destroy
+          end
         end
-      }
+      end
+      respond_to do |format|
+        format.html { redirect_to_settings_in_courses }
+        format.js
+        format.api {
+          if @member.destroyed?
+            render_api_ok
+          else
+            head :unprocessable_entity
+          end
+        }
+      end
     end
   end
 
@@ -188,4 +285,8 @@ class MembersController < ApplicationController
   def redirect_to_settings_in_projects
     redirect_to settings_project_path(@project, :tab => 'members')
   end
+
+  def redirect_to_settings_in_courses
+    redirect_to settings_course_path(@course, :tab => 'members')
+  end
 end
diff --git a/app/models/member.rb b/app/models/member.rb
index 8901ec52f..4810ed684 100644
--- a/app/models/member.rb
+++ b/app/models/member.rb
@@ -86,7 +86,13 @@ class Member < ActiveRecord::Base
   def set_issue_category_nil
     if user
       # remove category based auto assignments for this member
-      IssueCategory.update_all "assigned_to_id = NULL", ["project_id = ? AND assigned_to_id = ?", project.id, user.id]
+      #modify by nwb
+      if project
+        IssueCategory.update_all "assigned_to_id = NULL", ["project_id = ? AND assigned_to_id = ?", project.id, user.id]
+      elsif course
+        #IssueCategory.update_all "assigned_to_id = NULL", ["course_id = ? AND assigned_to_id = ?", course.id, user.id]
+      end
+
     end
   end
 
diff --git a/app/views/members/create.js.erb b/app/views/members/create.js.erb
index 3607ce448..3b01980ad 100644
--- a/app/views/members/create.js.erb
+++ b/app/views/members/create.js.erb
@@ -1,4 +1,9 @@
+<%if @project%>
 $('#tab-content-members').html('<%= escape_javascript(render :partial => 'projects/settings/members') %>');
+<%elsif @course%>
+$('#tab-content-members').html('<%= escape_javascript(render :partial => 'courses/settings/members') %>');
+<%end%>
+
 hideOnLoad();
 
 <%if !@applied_members%>
diff --git a/app/views/members/destroy.js.erb b/app/views/members/destroy.js.erb
index 17beff44c..2d0d26271 100644
--- a/app/views/members/destroy.js.erb
+++ b/app/views/members/destroy.js.erb
@@ -1,2 +1,6 @@
+  <%if @project%>
 $('#tab-content-members').html('<%= escape_javascript(render :partial => 'projects/settings/members') %>');
+  <%elsif @course%>
+  $('#tab-content-members').html('<%= escape_javascript(render :partial => 'courses/settings/members') %>');
+  <%end%>
 hideOnLoad();
diff --git a/app/views/members/update.js.erb b/app/views/members/update.js.erb
index 245828aac..9f6709701 100644
--- a/app/views/members/update.js.erb
+++ b/app/views/members/update.js.erb
@@ -1,3 +1,7 @@
+<%if @project%>
 $('#tab-content-members').html('<%= escape_javascript(render :partial => 'projects/settings/members') %>');
+<%elsif @course%>
+$('#tab-content-members').html('<%= escape_javascript(render :partial => 'courses/settings/members') %>');
+<%end%>
 hideOnLoad();
 $("#member-<%= @member.id %>").effect("highlight");