diff --git a/app/controllers/admin_controller.rb b/app/controllers/admin_controller.rb
index 125b2b97e..52e1f5fd0 100644
--- a/app/controllers/admin_controller.rb
+++ b/app/controllers/admin_controller.rb
@@ -112,10 +112,10 @@ class AdminController < ApplicationController
   def non_syllabus_courses
     @name = params[:name].to_s.strip.downcase
     if @name && @name != ""
-      @courses = Course.where("syllabus_id is null").select{ |course| (course.teacher[:lastname].to_s.downcase + course.teacher[:firstname].to_s.downcase).include?(@name) || course.name.include?(@name)}
+      @courses = Course.where("syllabus_id is null and is_delete = 0").select{ |course| (course.teacher[:lastname].to_s.downcase + course.teacher[:firstname].to_s.downcase).include?(@name) || course.name.include?(@name)}
       @courses = @courses.sort{|x, y| y.created_at <=> x.created_at}
     else
-      @courses = Course.where("syllabus_id is null").order('created_at desc')
+      @courses = Course.where("syllabus_id is null and is_delete = 0").order('created_at desc')
     end
     @courses = paginateHelper @courses,30
     @page = (params['page'] || 1).to_i - 1
diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 3f23d94dc..83a794cd9 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -2023,7 +2023,7 @@ class UsersController < ApplicationController
     @flag = true
     if params[:send_id].present?
       rs = ResourcesService.new
-      @ori, @flag, @save_message = rs.send_resource_to_course(params)
+      @ori, @flag, @save_message = rs.send_resource_to_course(User.current, params)
     elsif params[:send_ids].present?
       send_ids = params[:send_ids].split(",")
       course_ids = params[:course_ids]
diff --git a/app/views/admin/_courselist_detail_tr.html.erb b/app/views/admin/_courselist_detail_tr.html.erb
index 07486faa3..bc1eebeed 100644
--- a/app/views/admin/_courselist_detail_tr.html.erb
+++ b/app/views/admin/_courselist_detail_tr.html.erb
@@ -7,7 +7,7 @@
             </span>
 </td>
 <td align="center">
-  <%= link_to(course.try(:teacher).try(:realname).truncate(6, omission: '...'), user_path(course.teacher)) %>
+  <%= link_to(course.teacher.show_name.truncate(6, omission: '...'), user_path(course.teacher)) %>
 </td>
 <td align="center">
   <%= course.class_period %>
@@ -16,6 +16,8 @@
   <%= checked_image course.is_public? %>
 </td>
 <td class="center">
+  <%= course.is_delete == 0 ? '正常' : '归档' %>
+</td><td class="center">
   <%= format_date(course.created_at) %>
 </td>
 <td class="center">
diff --git a/app/views/admin/courses.html.erb b/app/views/admin/courses.html.erb
index 11fb1973f..8695bc6b9 100644
--- a/app/views/admin/courses.html.erb
+++ b/app/views/admin/courses.html.erb
@@ -27,10 +27,10 @@
   <table class="list" style="width: 100%;table-layout: fixed">
     <thead>
     <tr>
-      <th style="width: 30px;">
+      <th style="width: 20px;">
         序号
       </th>
-      <th style="width: 85px;">
+      <th style="width: 70px;">
         班级
       </th>
       <th style="width: 35px;">
@@ -42,6 +42,9 @@
       <th style="width: 15px;">
         <%=l(:field_is_public)%>
       </th>
+      <th style="width: 20px;">
+        状态
+      </th>
       <th style="width: 45px;">
         <%=l(:field_created_on)%>
       </th>
@@ -58,9 +61,11 @@
     </thead>
     <tbody>
     <% @courses.each do |course| %>
+        <% unless course.teacher.nil? %>
         <tr class="<%= cycle("odd", "even") %>" id="course_<%=course.id %>">
           <%=render :partial => 'courselist_detail_tr', :locals => {:course => course} %>
         </tr>
+        <% end %>
     <% end %>
     </tbody>
   </table>
diff --git a/app/views/admin/non_syllabus_courses.html.erb b/app/views/admin/non_syllabus_courses.html.erb
index 6c3cbec10..6cde56675 100644
--- a/app/views/admin/non_syllabus_courses.html.erb
+++ b/app/views/admin/non_syllabus_courses.html.erb
@@ -58,6 +58,7 @@
     </thead>
     <tbody>
     <% @courses.each do |course| %>
+        <% unless course.teacher.nil? %>
         <tr class="<%= cycle("odd", "even") %>" id="course_<%=course.id %>">
           <td style="text-align: center;">
             <%= course.id %>
@@ -68,7 +69,7 @@
             </span>
           </td>
           <td align="center">
-            <%= link_to(course.try(:teacher).try(:realname).truncate(6, omission: '...'), user_path(course.teacher)) %>
+            <%= link_to(course.teacher.show_name.truncate(6, omission: '...'), user_path(course.teacher)) %>
           </td>
           <td align="center">
             <%= course.class_period %>
@@ -90,6 +91,7 @@
           </td>
         </tr>
     <% end %>
+    <% end %>
     </tbody>
   </table>
 </div>
diff --git a/app/views/users/_resource_share_popup.html.erb b/app/views/users/_resource_share_popup.html.erb
index 68c059a1d..47a84481b 100644
--- a/app/views/users/_resource_share_popup.html.erb
+++ b/app/views/users/_resource_share_popup.html.erb
@@ -8,7 +8,7 @@
           <% send_ids = send_ids.class == String ? send_ids : send_ids.join(",") %>
       <% end %>
       <select class="resourcesSendType" onclick="chooseSendType2('<%= send_id %>', '<%= send_ids%>','<%= User.current.id %>','file', '<%= @type %>');">
-        <option value="1">课程</option>
+        <option value="1">班级</option>
         <option value="2">项目</option>
         <option value="3">组织</option>
       </select>
@@ -20,7 +20,7 @@
     <%= form_tag  search_user_course_user_path(user),:method => 'get', :remote=>true, :id=> 'search_user_course_form', :class=> 'resourcesSearchBox' do %>
       <%= hidden_field_tag(:send_id, send_id) %>
       <%= hidden_field_tag(:send_ids, send_ids) %>
-      <input type="text" id="search_course_input" value="<%= @search %>" name="search" placeholder="输入课程ID或者名称搜索" class="searchResourcePopup" />
+      <input type="text" id="search_course_input" value="<%= @search %>" name="search" placeholder="输入班级ID或者名称搜索" class="searchResourcePopup" />
         <script>
             observeSearchfieldOnInput('search_course_input','<%= search_user_course_user_path(user)%>','<%= send_id %>','<%= send_ids%>','file')
         </script>
diff --git a/app/views/users/_send_homework_to_course.html.erb b/app/views/users/_send_homework_to_course.html.erb
index 67fd36c3c..fc4007d03 100644
--- a/app/views/users/_send_homework_to_course.html.erb
+++ b/app/views/users/_send_homework_to_course.html.erb
@@ -5,8 +5,8 @@
   </div>
   <!--<div class="resourcePopupClose"> <a href="javascript:void(0);" class="resourceClose" onclick="closeModal();"></a></div>-->
   <div class="fl">
-    <!--<input type="text" name="search" placeholder="输入课程ID或者名称搜索" class="subjectSearch fr" />-->
-    <input type="text" id="search_course_input" value="<%= @search %>"  name="search" placeholder="输入课程ID或者名称搜索" class="mt10 mb10 course-search" />
+    <!--<input type="text" name="search" placeholder="输入班级ID或者名称搜索" class="subjectSearch fr" />-->
+    <input type="text" id="search_course_input" value="<%= @search %>"  name="search" placeholder="输入班级ID或者名称搜索" class="mt10 mb10 course-search" />
   </div>
   <div id="send_homework_to_course_form">
     <%= render :partial => "users/send_homework_to_course_form", :locals => {:user => user, :courses => courses, :send_id => send_id} %>
diff --git a/app/views/users/_share_message_to_course.html.erb b/app/views/users/_share_message_to_course.html.erb
index 66d44739c..d86c51f0d 100644
--- a/app/views/users/_share_message_to_course.html.erb
+++ b/app/views/users/_share_message_to_course.html.erb
@@ -18,7 +18,7 @@
                   :remote=>true,:id=>'search_user_course_form',:class=>'resourcesSearchBox' do %>
         <%= hidden_field_tag(:send_id, send_id) %>
         <%= hidden_field_tag(:send_ids, send_ids) %>
-        <input type="text" id="search_course_input" value="<%= @search %>" name="search" placeholder="输入课程ID或者名称搜索" class="searchResourcePopup" />
+        <input type="text" id="search_course_input" value="<%= @search %>" name="search" placeholder="输入班级ID或者名称搜索" class="searchResourcePopup" />
         <script>
             observeSearchfieldOnInput('search_course_input','<%= search_user_course_user_path(user)%>','<%= send_id %>','<%= send_ids%>','message')
         </script>
diff --git a/app/views/users/_share_news_to_course.html.erb b/app/views/users/_share_news_to_course.html.erb
index a1a0d6e39..e03a296b2 100644
--- a/app/views/users/_share_news_to_course.html.erb
+++ b/app/views/users/_share_news_to_course.html.erb
@@ -18,7 +18,7 @@
                   :remote=>true,:id=>'search_user_course_form',:class=>'resourcesSearchBox' do %>
         <%= hidden_field_tag(:send_id, send_id) %>
         <%= hidden_field_tag(:send_ids, send_ids) %>
-        <input type="text" id="search_course_input" value="<%= @search %>" name="search" placeholder="输入课程ID或者名称搜索" class="searchResourcePopup" />
+        <input type="text" id="search_course_input" value="<%= @search %>" name="search" placeholder="输入班级ID或者名称搜索" class="searchResourcePopup" />
         <script>
             observeSearchfieldOnInput('search_course_input','<%= search_user_course_user_path(user)%>','<%= send_id %>','<%= send_ids%>','news')
         </script>
diff --git a/lib/tasks/update_homework.rake b/lib/tasks/update_homework.rake
index 3592fe985..7c550b673 100644
--- a/lib/tasks/update_homework.rake
+++ b/lib/tasks/update_homework.rake
@@ -15,10 +15,13 @@ namespace :update_homework do
           unless student_works.nil?
             student_works.each do |s|
               project = Project.find s.project_id
-              unless project.nil? && project.gpid.nil?
+              unless project.nil? && project.gpid.blank?
                 project_time=project.updated_on
                 project_time=ForgeActivity.where("project_id=?",project.id).last.updated_at if ForgeActivity.where("project_id=?",project.id).last
-                if time.strftime('%Y-%m-%d %H:%M:%S') < project_time.strftime('%Y-%m-%d %H:%M:%S')
+                puts "the time is =========================> #{time}"
+                puts "the project_time is =========================> #{project_time}"
+                #if time.strftime('%Y-%m-%d %H:%M:%S') < project_time.strftime('%Y-%m-%d %H:%M:%S')
+                if format_time(time) < format_time(project_time)
                   time = project_time
                 end
                 begin
@@ -28,7 +31,10 @@ namespace :update_homework do
                   changesets = g.commits(project.gpid, :ref_name => default_branch)
                   changesets_latest_coimmit = changesets[0]
                   unless changesets[0].blank?
-                    if time.strftime('%Y-%m-%d %H:%M:%S') <changesets_latest_coimmit.created_at.strftime('%Y-%m-%d %H:%M:%S')
+                    puts "the time is =========================> #{time}"
+                    puts "the changesets_latest_coimmit is =========================> #{changesets_latest_coimmit.created_at}"
+                    #if time.strftime('%Y-%m-%d %H:%M:%S') < changesets_latest_coimmit.created_at.strftime('%Y-%m-%d %H:%M:%S')
+                    if format_time(time) < format_time(changesets_latest_coimmit.created_at)
                       time = changesets_latest_coimmit.created_at
                     end
                   end
diff --git a/public/javascripts/application.js b/public/javascripts/application.js
index c2ae2733d..a342a9608 100644
--- a/public/javascripts/application.js
+++ b/public/javascripts/application.js
@@ -1601,7 +1601,7 @@ function expand_course_list(id, target, btnid, count) {
         target.show();
     }else{
         btn.data('init',0);
-        btn.html('共'+count+ '个课程，点击全部展开');
+        btn.html('共'+count+ '个班级，点击全部展开');
         target.hide();
         target.eq(0).show();
         target.eq(1).show();
diff --git a/public/stylesheets/courses.css b/public/stylesheets/courses.css
index 24a8671ae..174f572fa 100644
--- a/public/stylesheets/courses.css
+++ b/public/stylesheets/courses.css
@@ -57,7 +57,7 @@ a:hover.news_foot{ color:#787b7e; border:1px solid #d4d4d4;}
 .hworkList60 {width:60px; text-align:center;}
 .hworkList60 {width:60px; text-align:center;}
 .hworkList70 {width:70px; text-align:center;}
-.hworkList80 {width:90px; text-align:center;}
+.hworkList80 {width:80px; text-align:center;}
 .hworkList90 {width:90px; text-align:center;}
 .hworkList100 {width:100px; text-align:center;}
 .hworkList110 {width:110px; text-align:center;}
diff --git a/public/stylesheets/header.css b/public/stylesheets/header.css
index 92034f843..c0a38d690 100644
--- a/public/stylesheets/header.css
+++ b/public/stylesheets/header.css
@@ -292,4 +292,18 @@ div.modal {
 .resourceUploadPopup {width:400px; height:auto; border:3px solid #269ac9 !important; padding-left:16px; padding-bottom:16px; background-color:#ffffff; position:absolute; top:50%; left:50%; margin-left:-200px; z-index:1000;}
 a.Blue-btn{ display:block; margin-right:15px;width:65px; height:22px; background-color:#ffffff; line-height:24px; vertical-align:middle;  text-align:center; border:1px solid #3598db; color:#3598db;  -moz-border-radius:5px;  -webkit-border-radius:5px;  border-radius:5px;}
 a:hover.Blue-btn{ background:#3598db; color:#fff;}
-/***** end Ajax indicator ******/
+/***** end Ajax indicator ******/
+
+/*消息弹框*/
+.shadowbox_news{ width:305px; background-color:#fff;    box-shadow: 0px 2px 8px rgba(146, 153, 169, 0.5); position: absolute; left: -131px; top: 45px; z-index: 9999;}
+.shadowbox_news_title{ height:40px; line-height:40px;padding-left:10px; font-size:12px; color:#333;border-bottom:1px solid #eee;}
+.shadowbox_news_p{ height:40px; line-height:40px; font-size:12px; color:#333;}
+.shadowbox_news font{ border: 1px solid #dddddd; display: block; border-width: 8px; position: absolute; top: -15px;left: 140px; border-style:solid; border-color:  transparent transparent  #fff transparent;font-size: 0;line-height: 0;  box-shadow:2px rgba(146, 153, 169, 0.5); }
+.shadowbox_news_list{ max-height:400px; overflow:hidden;}
+.shadowbox_news_list a{ color:#999;}
+.shadowbox_news_list li{ height:40px; border-bottom:1px dashed #ebebeb; line-height:40px;overflow:hidden; white-space: nowrap; text-overflow:ellipsis; padding:0 10px;}
+.shadowbox_news_list li:hover{ background-color:#eee;}
+span.shadowbox_news_user{ color:#3b94d6;}
+a.shadowbox_news_all{ display:block; width:305px; height:40px; line-height:40px; color:#3b94d6; text-align:center;border-top:1px solid #eee;}
+.undis {display:none;}
+.text_c {text-align:center;}