diff --git a/app/controllers/admin_controller.rb b/app/controllers/admin_controller.rb
index d3f681a06..4014a91bd 100644
--- a/app/controllers/admin_controller.rb
+++ b/app/controllers/admin_controller.rb
@@ -67,12 +67,15 @@ class AdminController < ApplicationController
   def excellent_all_courses
     name = params[:name]
     @order = ""
-    if params[:order] == 'asc'
-      courses = Course.find_by_sql("SELECT c.*,count(c.id) FROM courses c,course_activities ca WHERE c.id = ca.course_id AND c.name like '%#{name}%' GROUP BY c.id ORDER BY count(c.id) asc, c.id desc")
+    @sort = ""
+    if params[:sort] && (params[:order]  == 'act')
+      courses = Course.find_by_sql("SELECT c.*,count(c.id) FROM courses c,course_activities ca WHERE c.id = ca.course_id AND c.name like '%#{name}%' GROUP BY c.id ORDER BY count(c.id) #{params[:sort]}, c.id desc")
       @order = params[:order]
-    elsif params[:order] == 'desc'
-      courses = Course.find_by_sql("SELECT c.*,count(c.id) FROM courses c,course_activities ca WHERE c.id = ca.course_id AND c.name like '%#{name}%' GROUP BY c.id ORDER BY count(c.id) DESC, c.id desc")
+      @sort = params[:sort]
+    elsif params[:sort] && (params[:order]  == 'time')
+      courses = Course.find_by_sql("SELECT * FROM courses WHERE name like '%#{name}%' ORDER BY time #{params[:sort]},id desc")
       @order = params[:order]
+      @sort = params[:sort]
     else
       courses = Course.like(name).order('created_at desc')
     end
@@ -99,6 +102,22 @@ class AdminController < ApplicationController
     end
   end
 
+  #取消精品
+  def cancel_excellent_course
+    @course = Course.find params[:id]
+    unless @course.nil?
+      if @course.is_excellent == 1 || @course.excellent_option == 1
+        @course.update_column('is_excellent', 0)
+        @course.update_column('excellent_option', 0)
+      end
+    end
+    respond_to do |format|
+      format.html{
+        redirect_to excellent_courses_url
+      }
+    end
+  end
+
  #管理员界面课程资源列表
   def course_resource_list
 
diff --git a/app/views/admin/_course_detail_tr.html.erb b/app/views/admin/_course_detail_tr.html.erb
index ca15a6696..bea14fd3d 100644
--- a/app/views/admin/_course_detail_tr.html.erb
+++ b/app/views/admin/_course_detail_tr.html.erb
@@ -27,6 +27,9 @@
   <td class="center">
     <%= course.course_activities.count%>
   </td>
+  <td class="center">
+    <%= course.time %>
+  </td>
   <td class="buttons">
     <%= link_to( course.is_excellent == 1 || course.excellent_option == 1 ? "取消精品" : "设为精品", { :controller => 'admin', :action => 'set_excellent_course', :id => course.id },:remote=>true, :class => 'icon-del') %>
   </td>
diff --git a/app/views/admin/excellent_all_courses.html.erb b/app/views/admin/excellent_all_courses.html.erb
index 86e4556f9..eb5f8c1a2 100644
--- a/app/views/admin/excellent_all_courses.html.erb
+++ b/app/views/admin/excellent_all_courses.html.erb
@@ -45,11 +45,14 @@
       <th style="width: 25px;">
         资源数
       </th>
-      <th style="width: 50px;">
+      <th style="width: 30px;">
         帖子数
       </th>
-      <th style="width: 50px;" class = "<%= @order == 'desc' ? 'st_up' : (@order == 'asc' ? 'st_down' : '') %>">
-        <%=link_to '动态数', excellent_all_courses_path(:order=> @order == "desc" ? 'asc' : 'desc') %>
+      <th style="width: 30px;" class = "<%= @order == 'act' ? (@sort == 'desc' ? 'st_up' : (@sort == 'asc' ? 'st_down' : '')) : '' %>">
+        <%=link_to '动态数', excellent_all_courses_path(:sort=> @sort == "desc" ? 'asc' : 'desc', :order => 'act') %>
+      </th>
+      <th style="width: 40px;" class = "<%= @order == 'time' ? (@sort == 'desc' ? 'st_up' : (@sort == 'asc' ? 'st_down' : '')) : '' %>">
+        <%=link_to '开课学期', excellent_all_courses_path(:sort=> @sort == "desc" ? 'asc' : 'desc', :order => 'time') %>
       </th>
       <th style="width: 40px;">
       </tr>
diff --git a/app/views/admin/excellent_courses.html.erb b/app/views/admin/excellent_courses.html.erb
index fef6da84d..c107713a0 100644
--- a/app/views/admin/excellent_courses.html.erb
+++ b/app/views/admin/excellent_courses.html.erb
@@ -2,7 +2,7 @@
 <h3>
   <%=l(:label_excellent_courses_list)%>
 </h3>
-<%= render 'tab_excellent_courses' %>
+<%= render 'admin/tab_excellent_courses' %>
 
 <h3>
   <%=l(:label_excellent_courses_list)%>
@@ -33,12 +33,14 @@
       <th style="width: 25px;">
         资源数
       </th>
-      <th style="width: 70px;">
+      <th style="width: 50px;">
         帖子数
       </th>
-      <th style="width: 70px;">
+      <th style="width: 50px;">
         动态数
       </th>
+      <th style="width: 40px;">
+    </tr>
     </tr>
     </thead>
     <tbody>
@@ -74,6 +76,9 @@
           <td class="center">
             <%= course.course_activities.count%>
           </td>
+          <td class="buttons">
+            <%= link_to( course.is_excellent == 1 || course.excellent_option == 1 ? "取消精品" : "设为精品", { :controller => 'admin', :action => 'cancel_excellent_course', :id => course.id }, :class => 'icon-del') %>
+          </td>
         </tr>
     <% end %>
     </tbody>
diff --git a/config/routes.rb b/config/routes.rb
index e4b462d93..91ab5cffe 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1019,6 +1019,7 @@ RedmineApp::Application.routes.draw do
   get 'admin/excellent_courses', as: :excellent_courses
   get 'admin/excellent_all_courses', as: :excellent_all_courses
   match 'admin/set_excellent_course/:id', :to => 'admin#set_excellent_course'
+  match 'admin/cancel_excellent_course/:id', :to => 'admin#cancel_excellent_course'
   get 'admin/course_resource_list'
   get 'admin/project_resource_list'
   match 'admin/users',  :via => :get