打开分班名称编辑框后，点击其他分班名称或全部、未分班，数据刷新，但是编辑框未收起，应该收起

app/controllers/courses_controller.rb

@@ -395,6 +395,7 @@ class CoursesController < ApplicationController
       page_from = params[:page].nil? ? 0 : (params[:page].to_i - 1)
       @results = student_homework_score(0,page_from, 10,"desc")
     end
+    @course_groups = @course.course_groups
     @limit = 50
     @page = params[:page].nil? ? 1 : params['page'].to_i
     @members_count = @results.count

app/views/courses/_new_member_list.html.erb

@@ -116,7 +116,7 @@
               <% if @course.course_groups.empty? %>
                   <%=member.course_group_id == 0 ? "暂无" : member.course_group.name %>
               <% else %>
-                  <%= form_tag({:controller => 'courses', :action => 'teacher_assign_group', :id => @course.id,:user_id => member.user_id, :group_id => @group ? @group.id : -1},:remote=>'true', :method => 'post', :id=>"join_group_form_#{member.id}", :class => 'query_form') do %>
+                  <%= form_tag({:controller => 'courses', :action => 'teacher_assign_group', :id => @course.id,:user_id => member.user_id, :group_id => @group && @group != -1 ? @group.id : -1},:remote=>'true', :method => 'post', :id=>"join_group_form_#{member.id}", :class => 'query_form') do %>
                       <div class="select-class-option">
                         <span class="hidden" style="display:inline-block; vertical-align:middle; max-width:70px;"><%=member.course_group_id == 0 ? "暂无" : member.course_group.name %></span>
                         <a href="javascript:void(0)" class="sy_icons_edit pic_edit_icon" alt="编辑" style="background-position:0 5px;"></a>

app/views/courses/searchgroupmembers.js.erb

@@ -2,4 +2,5 @@
  * Created by Administrator on 2014/12/3.
  */
 $("#search_members").html("<%= escape_javascript( render :partial => 'searchmembers')%>");
+$("#st_groups").html("<%= escape_javascript(  render :partial => 'new_groups_name', locals: {:course_groups => @course_groups})%>");
 $("#member_content").html("<%= escape_javascript( render :partial => @render_file, :locals => {:members => @results})%>");

app/views/courses/searchmembers.js.erb

@@ -1,4 +1,6 @@
 /**
  * Created by Administrator on 2014/12/2.
  */
+$('#new_group_name').hide();
+$('#edit_group_form').hide();
 $("#member_content").html("<%= escape_javascript( render :partial => 'new_member_list', :locals => {:members => @results})%>");