diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index 524bde9d7..3b25438df 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -695,7 +695,6 @@ class CoursesController < ApplicationController
       # 显示老师和助教的活动
       # @authors = searchTeacherAndAssistant(@course)
       @authors = course_all_member(@course)
-      Dir.glob("#{Rails.root}/app/models/*.rb").sort.each { |file| require file }
       events = []
       key = "course_events_#{@course.id}".to_sym
       if Rails.env.production? && Setting.course_cahce_enabled?
diff --git a/app/controllers/memos_controller.rb b/app/controllers/memos_controller.rb
index 54bcc0496..68f6f6473 100644
--- a/app/controllers/memos_controller.rb
+++ b/app/controllers/memos_controller.rb
@@ -157,7 +157,7 @@ class MemosController < ApplicationController
 
   def update
     respond_to do |format|
-      if( @memo.update_column(:subject, params[:memo][:subject]) && 
+      if( #@memo.update_column(:subject, params[:memo][:subject]) &&
            @memo.update_column(:content, params[:memo][:content]) &&
            @memo.update_column(:sticky, params[:memo][:sticky]) &&
            @memo.update_column(:lock, params[:memo][:lock])) 
diff --git a/app/controllers/repositories_controller.rb b/app/controllers/repositories_controller.rb
index d0af82c8c..607c9b5db 100644
--- a/app/controllers/repositories_controller.rb
+++ b/app/controllers/repositories_controller.rb
@@ -227,7 +227,7 @@ update
     elsif request.get?
     respond_to do |format|
       format.html{
-        render :layout => "project_base"
+        render :layout => "base_projects"
       }
     end
 
@@ -376,7 +376,7 @@ update
 
   def revision
     respond_to do |format|
-      format.html{render :layout => 'project_base'}
+      format.html{render :layout => 'base_projects'}
       format.js {render :layout => false}
     end
   end
diff --git a/app/controllers/student_work_controller.rb b/app/controllers/student_work_controller.rb
index c8cbde626..3ca836773 100644
--- a/app/controllers/student_work_controller.rb
+++ b/app/controllers/student_work_controller.rb
@@ -14,13 +14,21 @@ class StudentWorkController < ApplicationController
     @show_all = @is_teacher || @homework.homework_type != 1 || @homework.homework_detail_manual.comment_status == 3
     if @show_all
       if @homework.homework_type == 1 || @is_teacher || User.current.admin?
-        @stundet_works = search_homework_member @homework.student_works.order("#{@order} #{@b_sort}"),@name
+        if @order == "name"
+          @stundet_works = search_homework_member @homework.student_works.joins(:user).order("users.lastname #{@b_sort}, users.firstname #{@b_sort}"),@name
+        else
+          @stundet_works = search_homework_member @homework.student_works.order("#{@order} #{@b_sort}"),@name
+        end
       else
         my_work = @homework.student_works.where(:user_id => User.current.id)
         if my_work.empty?
           @stundet_works = []
         else
-          @stundet_works = search_homework_member @homework.student_works.order("#{@order} #{@b_sort}"),@name
+          if @order == "name"
+            @stundet_works = search_homework_member @homework.student_works.joins(:user).order("users.lastname #{@b_sort}, users.firstname #{@b_sort}"),@name
+          else
+            @stundet_works = search_homework_member @homework.student_works.order("#{@order} #{@b_sort}"),@name
+          end
         end
       end
     else #学生
@@ -243,7 +251,7 @@ class StudentWorkController < ApplicationController
         (SELECT COUNT(*) FROM `student_works_evaluation_distributions` WHERE user_id = student_works.user_id AND student_work_id IN #{work_ids}) AS all_count,
         (SELECT COUNT(*) FROM `student_works_scores` WHERE user_id = student_works.user_id AND student_work_id IN #{work_ids}) AS has_count
       FROM `student_works`
-      WHERE homework_common_id = 213
+      WHERE homework_common_id = #{@homework.id}
     ) AS table_1
     ORDER BY absence #{order}")
     @order = order == "desc" ? "asc" : "desc"
diff --git a/app/helpers/student_work_helper.rb b/app/helpers/student_work_helper.rb
index 7c85dc5c4..f88b1ff21 100644
--- a/app/helpers/student_work_helper.rb
+++ b/app/helpers/student_work_helper.rb
@@ -70,4 +70,14 @@ module StudentWorkHelper
   def has_evaluation_count user,homework
     StudentWorksScore.joins(:student_work).where("student_works_scores.user_id = #{user.id} AND student_works.homework_common_id = #{homework.id}").count
   end
+
+  #传入分数，获取对应颜色
+  def score_color score
+    if score
+      color = score >= 90 ? "c_red" : "c_green"
+    else
+      color = "c_grey"
+    end
+    color
+  end
 end
\ No newline at end of file
diff --git a/app/views/memos/edit.html.erb b/app/views/memos/edit.html.erb
index 6fc361d27..487d923b5 100644
--- a/app/views/memos/edit.html.erb
+++ b/app/views/memos/edit.html.erb
@@ -21,9 +21,9 @@
   <div class="actions">
     <p>
       <% if @memo.parent.nil? && @memo.children.first.nil? %>
-         <%= f.text_field :subject, :required => true, :size => 96 ,:readonly => false,  :maxlength => 50%>
+         <%#= f.text_field :subject, :required => true, :size => 96 ,:readonly => false,  :maxlength => 50%>
       <% else %>
-          <%= f.text_field :subject, :required => true, :size => 96 ,:readonly => true, :style => "border: 1px solid gray", :maxlength => 50%>
+          <%#= f.text_field :subject, :required => true, :size => 96 ,:readonly => true, :style => "border: 1px solid gray", :maxlength => 50%>
       <% end %>
       </p>
     <% if User.current.admin?%>
diff --git a/app/views/projects/settings/_new_repositories.html.erb b/app/views/projects/settings/_new_repositories.html.erb
index 6e0d74849..ca771a487 100644
--- a/app/views/projects/settings/_new_repositories.html.erb
+++ b/app/views/projects/settings/_new_repositories.html.erb
@@ -33,8 +33,7 @@
     <td><a href="javascript:viod(0)" class="c_blue" >
       <% if repository.scm_name=="Git"%>
         <%if User.current.allowed_to?(:manage_repository, @project) %>
-          <%= link_to(l(:label_user_plural), committers_repository_path(repository)
-                      ) %>
+          <%= link_to(l(:label_user_plural), committers_repository_path(repository)) %>
         <% end %>
   <% end %>
     </a></td>
diff --git a/app/views/projects/settings/_repositories.html.erb b/app/views/projects/settings/_repositories.html.erb
index 3d9d71a56..6c340f47c 100644
--- a/app/views/projects/settings/_repositories.html.erb
+++ b/app/views/projects/settings/_repositories.html.erb
@@ -27,25 +27,15 @@
       <% end %>
 
       <td class="buttons" style="text-align:left">
-      	<% if repository.scm_name=="Subversion"%>
-            <%if User.current.allowed_to?(:manage_repository, @project) %>
-            	<%= link_to(l(:label_user_plural), committers_repository_path(repository),
-             	:class => 'icon icon-user') %>
-            	<%= link_to(l(:button_edit), edit_repository_path(repository),
-             	:class => 'icon icon-edit') %>
-            	 <%= delete_link repository_path(repository) %>
-      		<% end %>
-      	<% elsif repository.scm_name=="Git"%>
-            <%if User.current.allowed_to?(:manage_repository, @project) %>
-            <!-- <%#= link_to(l(:button_edit), edit_repository_path(repository),
+
+      <%if User.current.allowed_to?(:manage_repository, @project) %>
+         <!-- <%#= link_to(l(:button_edit), edit_repository_path(repository),
              :class => 'icon icon-edit') %> -->
-            <%= link_to(l(:label_user_plural), committers_repository_path(repository),
-             :class => 'icon icon-user') %>
-            <% if repository.login.to_s==User.current.login.to_s %>
-        		<%= delete_link repository_path(repository) %>
-            <% end %>
-      		<% end %>
-      	<% end %>
+         <%= link_to(l(:label_user_plural), committers_repository_path(repository), :class => 'icon icon-user') %>
+         <% if repository.login.to_s==User.current.login.to_s %>
+            <%= delete_link repository_path(repository) %>
+         <% end %>
+      <% end %>
       </td>
     </tr>
   <% end %>
diff --git a/app/views/student_work/_student_work.html.erb b/app/views/student_work/_student_work.html.erb
index e39cb130d..abbd134b0 100644
--- a/app/views/student_work/_student_work.html.erb
+++ b/app/views/student_work/_student_work.html.erb
@@ -11,28 +11,35 @@
   <li class=" hwork_tit">
     <%= link_to student_work.name, student_work_path(student_work),:remote => true,:title => student_work.name, :class => "c_blue02"%>
   </li>
-  <li class=" hwork_code <%= student_work.teacher_score.nil? ? 'c_grey' : 'c_red'%> mr18">
-    <%= student_work.teacher_score.nil? ? "--" : format("%.2f",student_work.teacher_score)%>
+  <li class=" hwork_time_c">
+    <% if Time.parse(@homework.end_time.to_s) < Time.parse(student_work.created_at.to_s) %>
+        <span class="c_red">迟交</span>
+    <% else%>
+        <%= student_work.created_at.strftime("%m-%d").to_s%>
+    <% end %>
   </li>
-  <li class=" hwork_code <%= student_work.teaching_asistant_score.nil? ? 'c_grey' : 'c_red'%> mr18">
-    <%= student_work.teaching_asistant_score.nil? ? "--" : format("%.2f",student_work.teaching_asistant_score)%>
+  <li class=" hwork_score <%= score_color student_work.teacher_score%>">
+    <%= student_work.teacher_score.nil? ? "--" : format("%.1f",student_work.teacher_score)%>
   </li>
-  <li class=" hwork_code02 <%= student_work.student_score.nil? ? 'c_grey' : 'c_red'%> mr18 student_score_info" >
-    <%= student_work.student_score.nil? ? "--" : format("%.2f",student_work.student_score)%>
+  <li class=" hwork_score <%= score_color student_work.teaching_asistant_score%>">
+    <%= student_work.teaching_asistant_score.nil? ? "--" : format("%.1f",student_work.teaching_asistant_score)%>
+  </li>
+  <li class=" hwork_code02 <%= score_color student_work.student_score%> student_score_info" >
+    <%= student_work.student_score.nil? ? "--" : format("%.1f",student_work.student_score)%>
     <% unless student_work.student_score.nil?%>
-        <span class="c_blue">
+        <span class="">
           (<%= student_work.student_works_scores.where(:reviewer_role => 3).count%>)
         </span>
         <div class="info_ni">
           现共有
           <span class="c_red">&nbsp;<%= student_work.student_works_scores.where(:reviewer_role => 3).count%>&nbsp;</span>
           名学生进行了匿评，平均分为
-          <span class="c_red">&nbsp;<%= format("%.2f",student_work.student_score)%>&nbsp;</span>分。
+          <span class="c_red">&nbsp;<%= format("%.1f",student_work.student_score)%>&nbsp;</span>分。
         </div>
     <% end%>
   </li>
-  <li class=" hwork_code <%= student_work.final_score.nil? ? 'c_grey' : 'c_red'%>">
-    <%= student_work.final_score.nil? ? "--" : format("%.2f",student_work.final_score)%>
+  <li class=" hwork_score <%= score_color student_work.final_score%>">
+    <%= student_work.final_score.nil? ? "--" : format("%.1f",student_work.final_score)%>
   </li>
   <div class="cl"></div>
 </ul><!---hwork_ul end-->
\ No newline at end of file
diff --git a/app/views/student_work/_student_work_title.html.erb b/app/views/student_work/_student_work_title.html.erb
index 6fb7e248b..2a3a5e124 100644
--- a/app/views/student_work/_student_work_title.html.erb
+++ b/app/views/student_work/_student_work_title.html.erb
@@ -2,30 +2,39 @@
   <span class="c_dark f14 fb fl">学号</span>
 </li>
 <li class=" hwork_name f14 fb c_dark">
-  学生姓名
+  <%= link_to "姓名",@show_all ? student_work_index_path(:homework => @homework.id,:order => "name", :sort => @score, :name => @name) : "javascript:void(0)",:class => "f14 f_b c_dark fl"%>
+  <% if @show_all && @order == "name"%>
+      <a href="javascript:void(0);" class="<%= @score == 'desc' ? 'st_up' : 'st_down'%>" ></a>
+  <% end%>
 </li>
 <li class="hwork_tit">
   <span class="c_dark f14 fb fl">作品名称</span>
 </li>
-<li class="mr5 w70">
-  <%= link_to "教师评分",@show_all ? student_work_index_path(:homework => @homework.id,:order => "teacher_score", :sort => @score, :name => @name) : "javascript:void(0)",:class => "f14 f_b c_dark fl hwork_code"%>
+<li class=" hwork_time f14 fb c_dark">
+  <%= link_to "时间",@show_all ? student_work_index_path(:homework => @homework.id,:order => "created_at", :sort => @score, :name => @name) : "javascript:void(0)",:class => "f14 f_b c_dark fl"%>
+  <% if @show_all && @order == "created_at"%>
+      <a href="javascript:void(0);" class="<%= @score == 'desc' ? 'st_up' : 'st_down'%>" ></a>
+  <% end%>
+</li>
+<li class="mr5 w40 ml15">
+  <%= link_to "教师",@show_all ? student_work_index_path(:homework => @homework.id,:order => "teacher_score", :sort => @score, :name => @name) : "javascript:void(0)",:class => "f14 f_b c_dark fl"%>
   <% if @show_all && @order == "teacher_score"%>
       <a href="javascript:void(0);" class="<%= @score == 'desc' ? 'st_up' : 'st_down'%>" ></a>
   <% end%>
 </li>
-<li class="mr5 w70">
-  <%= link_to "教辅评分",@show_all ? student_work_index_path(:homework => @homework.id,:order => "teaching_asistant_score", :sort => @score, :name => @name) : "javascript:void(0)",:class => "f14 f_b c_dark fl hwork_code"%>
+<li class="mr5 w40 ml20">
+  <%= link_to "教辅",@show_all ? student_work_index_path(:homework => @homework.id,:order => "teaching_asistant_score", :sort => @score, :name => @name) : "javascript:void(0)",:class => "f14 f_b c_dark fl"%>
   <% if @show_all && @order == "teaching_asistant_score"%>
       <a href="javascript:void(0);" class="<%= @score == 'desc' ? 'st_up' : 'st_down'%>" ></a>
   <% end%>
 </li>
-<li class="mr5 ml15 w40">
+<li class="mr5 ml10 w40">
   <%= link_to "匿评",@show_all ? student_work_index_path(:homework => @homework.id,:order => "student_score", :sort => @score, :name => @name) : "javascript:void(0)",:class => "f14 f_b c_dark fl"%>
   <% if @show_all && @order == "student_score"%>
       <a href="javascript:void(0);" class="<%= @score == 'desc' ? 'st_up' : 'st_down'%>" ></a>
   <% end%>
 </li>
-<li class="ml30">
+<li class="ml20">
   <%= link_to "成绩",@show_all ? student_work_index_path(:homework => @homework.id,:order => "final_score", :sort => @score, :name => @name) : "javascript:void(0)",:class => "f14 f_b c_dark fl"%>
   <% if @show_all && @order == "final_score"%>
       <a href="javascript:void(0);" class="<%= @score == 'desc' ? 'st_up' : 'st_down'%>" ></a>
diff --git a/db/migrate/20150619060110_homework_common_time.rb b/db/migrate/20150619060110_homework_common_time.rb
new file mode 100644
index 000000000..c574ad93c
--- /dev/null
+++ b/db/migrate/20150619060110_homework_common_time.rb
@@ -0,0 +1,19 @@
+class HomeworkCommonTime < ActiveRecord::Migration
+  def up
+    count = StudentWork.all.count / 100 + 1
+    transaction do
+      for i in 1 ... count do i
+      StudentWork.page(i).per(100).each do |homework|
+        old_homework = HomeworkAttach.where(:user_id => homework.user_id, :name => homework.name, :description => homework.description).first
+        if old_homework
+          homework.update_column('created_at', old_homework.created_at)
+        end
+      end
+      end
+      puts i.to_s
+    end
+  end
+
+  def down
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 68f00c1cd..420432355 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20150604153000) do
+ActiveRecord::Schema.define(:version => 20150619060110) do
 
   create_table "activities", :force => true do |t|
     t.integer "act_id",   :null => false
diff --git a/lib/trustie/cache/clear_course_event.rb b/lib/trustie/cache/clear_course_event.rb
index a5f44bf45..cc643020d 100644
--- a/lib/trustie/cache/clear_course_event.rb
+++ b/lib/trustie/cache/clear_course_event.rb
@@ -6,6 +6,7 @@ module Trustie
       def self.included(base)
         base.class_eval{
           after_create :clear_course_events
+          after_destroy :clear_course_events
         }
       end
 
diff --git a/public/stylesheets/courses.css b/public/stylesheets/courses.css
index 2ccc52f05..012944012 100644
--- a/public/stylesheets/courses.css
+++ b/public/stylesheets/courses.css
@@ -100,7 +100,6 @@ a:hover.grey_btn{ background:#717171; color:#fff;}
 .f_14{ font-size:14px;}
 .c_dblue{ color:#3e6d8e;}
 .w90{width:90px;}
-.w40{width:40px;}
 .ml10{margin-left:10px;}
 .resource{  width:670px;}
 .re_top{width:660px; height:40px; background:#eaeaea; padding:5px;}
@@ -653,6 +652,9 @@ a:hover.down_btn{ background:#14ad5a; color:#fff; border:1px solid #14ad5a;}
 .to_top{width: 19px;height: 74px;position: fixed;top: 50px;right: 1px;color: white;background: #15bccf; line-height: 1.2; padding-top: 10px;padding-left: 5px;font-size: 14px;cursor: pointer;}
 .hwork_num_ab{ width:120px;  display:block; overflow:hidden; white-space: nowrap; text-overflow:ellipsis;min-height: 1px;}
 .hwork_name_ab{ display:block;width:340px; overflow: hidden;white-space: nowrap; text-overflow:ellipsis;min-height: 1px;}
+.hwork_time{ display:block;width:40px; overflow: hidden;white-space: nowrap; text-overflow:ellipsis;min-height: 1px;}
+.hwork_time_c{width:40px;color: #6d6d6d}
+.hwork_score{ width:62px; text-align:center;  }
 .absence{width: 50px;text-align: center;}
 /* 评分插件 */
 input#score{ width:40px;}
diff --git a/public/stylesheets/public.css b/public/stylesheets/public.css
index ca2df7f07..c3cc4f7df 100644
--- a/public/stylesheets/public.css
+++ b/public/stylesheets/public.css
@@ -58,6 +58,7 @@ h4{ font-size:14px; color:#3b3b3b;}
 .ml8{ margin-left:8px;}
 .ml10{ margin-left:10px;}
 .ml15{ margin-left:15px;}
+.ml16{ margin-left: 16px;}
 .ml20{ margin-left:20px;}
 .ml35{margin-left: 35px;}
 .ml40{ margin-left:40px;}
@@ -91,6 +92,7 @@ h4{ font-size:14px; color:#3b3b3b;}
 .w20{ width:20px;}
 .w40{width: 40px;}
 .w45{ width: 45px;}
+.w50{ width:50px;}
 .w60{ width:60px;}
 .w70{ width:70px;}
 .w90{ width:90px;}