1.编辑分班的时候编辑框里要有默认是原来的该班级名字

2.课程通知搜索输入空格仍然返回所有的通知

app/controllers/news_controller.rb

@@ -72,7 +72,7 @@ class NewsController < ApplicationController
 
         @news_count = scope.count
         @q = params[:subject]
-        if params[:subject].nil?
+        if params[:subject].nil? || params[:subject].blank?
           scope_order = scope.all(:include => [:author, :course],
                                   :order => "#{News.table_name}.created_on DESC")
         else

app/views/courses/_new_groups_name.html.erb

@@ -21,7 +21,7 @@
                       <img src="/images/pic_del.gif" width="11" height="12" alt="删除班级" title="删除该班级" />
                     </a>
                 <% end%>
-                <a href="javascript:void(0)" class="f_l" style="padding-left: 5px;" onclick="$('#group_name_<%= group.id %>').val('');$('#edit_group_<%= group.id %>').slideToggle();$('#new_group_name').hide();">
+                <a href="javascript:void(0)" class="f_l" style="padding-left: 5px;" onclick="$('#group_name_<%= group.id %>').val('<%= group.name%>');$('#edit_group_<%= group.id %>').slideToggle();$('#new_group_name').hide();">
                   <img src="/images/pic_edit.png" width="14" height="15" alt="编辑班级" />
                 </a>
             <% end %>