diff --git a/app/controllers/attachments_controller.rb b/app/controllers/attachments_controller.rb
index c8b6a6fda..c310087f7 100644
--- a/app/controllers/attachments_controller.rb
+++ b/app/controllers/attachments_controller.rb
@@ -191,9 +191,19 @@ class AttachmentsController < ApplicationController
       if !@attachment.container.nil? &&
          (@attachment.container.is_a?(Course) || ((@attachment.container.has_attribute?(:course) || @attachment.container.has_attribute?(:course_id) )  &&
          @attachment.container.course ) || ((@attachment.container.has_attribute?(:board) || @attachment.container.has_attribute?(:board_id)) &&
-         @attachment.container.board && @attachment.container.board.course ) )
+         @attachment.container.board && @attachment.container.board.course ) || @attachment.container.is_a?(StudentWorksScore) ||  @attachment.container.is_a?(HomeworkCommon) ||
+         @attachment.container.is_a?(StudentWork))
         if @attachment.container.is_a?(News)
           format.html { redirect_to_referer_or news_path(@attachment.container) }
+        elsif @attachment.container.is_a?(StudentWorksScore)
+          @is_destroy = true #根据ID删除页面对应的数据，js刷新页面
+          format.js
+        elsif @attachment.container.is_a?(HomeworkCommon)
+          @is_destroy = true #根据ID删除页面对应的数据，js刷新页面
+          format.js
+        elsif @attachment.container.is_a?(StudentWork)
+          @is_destroy = true #根据ID删除页面对应的数据，js刷新页面
+          format.js
         elsif @attachment.container.is_a?(Message)
           format.html { redirect_to_referer_or new_board_message_path(@attachment.container) }
         elsif @course.nil?
@@ -431,7 +441,7 @@ private
         @attachment.container.board.course)
       @course = @attachment.container.board.course
     else
-      unless @attachment.container_type == 'Bid' || @attachment.container_type == 'HomeworkAttach' || @attachment.container_type == 'Memo' || @attachment.container_type == 'Softapplication' || @attachment.container_type == 'PhoneAppVersion' || @attachment.container_type == 'StudentWorksScore'|| @attachment.container_type == 'StudentWorks'
+      unless @attachment.container_type == 'Bid' || @attachment.container_type == 'HomeworkAttach' || @attachment.container_type == 'Memo' || @attachment.container_type == 'Softapplication' || @attachment.container_type == 'PhoneAppVersion' || @attachment.container_type == 'StudentWorksScore'|| @attachment.container_type == 'StudentWork'
         @project = @attachment.project
       end
     end
diff --git a/app/controllers/homework_attach_controller.rb b/app/controllers/homework_attach_controller.rb
index f6b044c63..5dd5363b9 100644
--- a/app/controllers/homework_attach_controller.rb
+++ b/app/controllers/homework_attach_controller.rb
@@ -334,9 +334,8 @@ class HomeworkAttachController < ApplicationController
       @homework.name = name
       @homework.description = description
       @homework.project_id = params[:project_id] || 0
-      if params[:attachments]
-        @homework.save_attachments(params[:attachments])
-      end
+      @homework.save_attachments(params[:attachments])
+      render_attachment_warning_if_needed(@homework)
       if @homework.save
         respond_to do |format|
           format.html { redirect_to course_for_bid_url @homework.bid }
diff --git a/app/controllers/homework_common_controller.rb b/app/controllers/homework_common_controller.rb
index 58c959512..c301ae0f9 100644
--- a/app/controllers/homework_common_controller.rb
+++ b/app/controllers/homework_common_controller.rb
@@ -5,7 +5,7 @@ class HomeworkCommonController < ApplicationController
   before_filter :teacher_of_course, :only => [:new, :create, :edit, :update, :destroy, :start_anonymous_comment, :stop_anonymous_comment, :alert_anonymous_comment]
 
   def index
-    homeworks = @course.homework_commons
+    homeworks = @course.homework_commons.order("created_at desc")
     @is_teacher = User.current.logged? && (User.current.admin? || User.current.allowed_to?(:as_teacher,@course))
     @is_student = User.current.logged? && (User.current.admin? || (User.current.member_of_course?(@course) && !@is_teacher))
     @homeworks = paginateHelper homeworks,20
@@ -17,14 +17,14 @@ class HomeworkCommonController < ApplicationController
   def new
     @homework = HomeworkCommon.new
     @homework.safe_attributes = params[:homework_common]
-    @homework.late_penalty = 2
+    @homework.late_penalty = 0
     @homework.end_time = (Time.now  + 3600 * 24).strftime('%Y-%m-%d')
     @homework.publish_time = Time.now.strftime('%Y-%m-%d')
 
     #匿评作业相关属性
     @homework_detail_manual = HomeworkDetailManual.new
     @homework_detail_manual.ta_proportion = 0.6
-    @homework_detail_manual.absence_penalty = 2
+    @homework_detail_manual.absence_penalty = 0
     @homework_detail_manual.evaluation_num = 3
     @homework_detail_manual.evaluation_start = Time.now.strftime('%Y-%m-%d')
     @homework_detail_manual.evaluation_end = (Time.now  + 3600 * 24).strftime('%Y-%m-%d')
@@ -101,6 +101,9 @@ class HomeworkCommonController < ApplicationController
     @homework_detail_manual.evaluation_num = params[:evaluation_num]
     @homework_detail_manual.absence_penalty = params[:absence_penalty]
 
+    @homework.save_attachments(params[:attachments])
+    render_attachment_warning_if_needed(@homework)
+
     if @homework.save && @homework_detail_manual.save
       respond_to do |format|
         format.html {
diff --git a/app/helpers/homework_common_helper.rb b/app/helpers/homework_common_helper.rb
index 5399fd5bf..b9940f4be 100644
--- a/app/helpers/homework_common_helper.rb
+++ b/app/helpers/homework_common_helper.rb
@@ -3,7 +3,7 @@ module HomeworkCommonHelper
   #迟交扣分下拉框
   def late_penalty_option
     type = []
-    for i in (1..5)
+    for i in (0..5)
       option = []
       option << i
       option << i
@@ -29,7 +29,7 @@ module HomeworkCommonHelper
   #缺评扣分
   def absence_penalty_option
     type = []
-    i = 1
+    i = 0
     while  i <= 5
       option = []
       option << i
diff --git a/app/views/attachments/destroy.js.erb b/app/views/attachments/destroy.js.erb
index 0b6cee0df..d23422e24 100644
--- a/app/views/attachments/destroy.js.erb
+++ b/app/views/attachments/destroy.js.erb
@@ -1,26 +1,30 @@
-var attachment_html_obj = $('#attachments_<%= j params[:attachment_id] %>');
-//modify by yutao 2015-5-14  当1个页面存在多个上传控件时此块代码存在bug  故改之  start
-var containerid=$('.remove-upload',attachment_html_obj).data('containerid');
-if(containerid==undefined){
-    $('#attachments_<%= j params[:attachment_id] %>').remove();
-    var count=$('#attachments_fields>span').length;
-    if(count<=0){
-        $("#upload_file_count").text('<%= l(:label_no_file_uploaded)%>');
-        $(".remove_all").remove();
+<% if @is_destroy%>
+    $("#attachment_<%= @attachment.id%>").remove();
+<%else%>
+    var attachment_html_obj = $('#attachments_<%= j params[:attachment_id] %>');
+    //modify by yutao 2015-5-14  当1个页面存在多个上传控件时此块代码存在bug  故改之  start
+    var containerid=$('.remove-upload',attachment_html_obj).data('containerid');
+    if(containerid==undefined){
+        $('#attachments_<%= j params[:attachment_id] %>').remove();
+        var count=$('#attachments_fields>span').length;
+        if(count<=0){
+            $("#upload_file_count").text('<%= l(:label_no_file_uploaded)%>');
+            $(".remove_all").remove();
+        }else{
+            $("#upload_file_count").html("<span id=\"count\">"+count+"</span>"+"个文件"+"已上传");
+        }
     }else{
-        $("#upload_file_count").html("<span id=\"count\">"+count+"</span>"+"个文件"+"已上传");
+        $('#attachments_<%= j params[:attachment_id] %>').remove();
+        var count=$('#attachments_fields'+containerid+'>span').length;
+        if(count<=0){
+            $('#upload_file_count'+containerid).text('<%= l(:label_no_file_uploaded)%>');
+            var remove_all_html_obj = $(".remove_all").filter(function(index){
+                return $(this).data('containerid')==containerid;
+            });
+            remove_all_html_obj.remove();
+        }else{
+            $('#upload_file_count'+containerid).html("<span id=\"count\">"+count+"</span>"+"个文件"+"已上传");
+        }
     }
-}else{
-    $('#attachments_<%= j params[:attachment_id] %>').remove();
-    var count=$('#attachments_fields'+containerid+'>span').length;
-    if(count<=0){
-        $('#upload_file_count'+containerid).text('<%= l(:label_no_file_uploaded)%>');
-        var remove_all_html_obj = $(".remove_all").filter(function(index){
-            return $(this).data('containerid')==containerid;
-        });
-        remove_all_html_obj.remove();
-    }else{
-        $('#upload_file_count'+containerid).html("<span id=\"count\">"+count+"</span>"+"个文件"+"已上传");
-    }
-}
-//modify by yutao 2015-5-14  当1个页面存在多个上传控件时此块代码存在bug  故改之  end
\ No newline at end of file
+    //modify by yutao 2015-5-14  当1个页面存在多个上传控件时此块代码存在bug  故改之  end
+<% end%>
\ No newline at end of file
diff --git a/app/views/courses/_show_member_score.html.erb b/app/views/courses/_show_member_score.html.erb
index bb080b57b..0d250cf14 100644
--- a/app/views/courses/_show_member_score.html.erb
+++ b/app/views/courses/_show_member_score.html.erb
@@ -1,24 +1,5 @@
 <style>
-    table,tr,td{border:0; cellspacing:0; cellpadding:0;}
-    ul,li{ list-style-type:none}
-    .cl{ clear:both; overflow:hidden; }
-    a{ text-decoration:none; text-align:center; }
-    a:hover{ text-decoration:underline;}
-    /**** 常用***/
-    .f_l{ float:left;}
-    .f_r{ float:right;}
-    .b_lblue{ background:#64bdd9;}
-    .b_dblue{ background:#55a1b9; cursor:pointer;}
-    .f_b{ font-weight: bold;}
-    .c_blue{ color:#64bdd9;}
-    .c_grey{ color:#999999;}
     .c_grey02{ color:#666666;}
-    .f_14{ font-size:14px;}
-    .c_dblue{ color:#3e6d8e;}
-    .w90{width:90px;}
-    .ml10{margin-left:10px;}
-    .ml5{margin-left:5px;}
-    .b_grey{ background:#a3a3a3;}
     .c_blue02{ color:#15bcce; font-weight: bold;}
     .w280{ display:block; width:280px;float:left;}
     .w70{ display:block;width:70px; text-align:center; float:left;}
@@ -26,9 +7,6 @@
     .c_blue03{ color:#0d90c4;}
 
 
-    /***弹框***/
-    /*#popbox_tscore{width:480px;position:absolute;z-index:100;left:50%;top:50%;margin:-215px 0 0 -300px;  background:#fff; -moz-border-radius:5px;  -webkit-border-radius:5px;  border-radius:5px; box-shadow:0px 0px 8px #194a81;  overflow:auto;}*/
-    /*.alert .close02{width:26px;height:26px;overflow:hidden;position:absolute;top:-10px;right:-490px;background:url(images/close.png) no-repeat;cursor:pointer;}*/
     .tscore_con h2{ display:block; background:#eaeaea; font-size:14px; color:#343333; height:31px; width: auto;  text-align: center; padding-top:5px;}
     .tscore_box{ width:350px; margin:15px auto;}
     .tscore_box li{ height:25px;}
@@ -40,11 +18,16 @@
     <ul class="tscore_box">
       <li ><span class="c_blue02 w280">作业名称</span><span class="c_blue02 w70">得分</span></li>
       <% @member_score.student_homework_score[0].each do |homework_score| %>
-
-            <li><span class="c_grey02 w280"><%= homework_score.name %></span><span class="c_red w70"><%= format("%0.2f",homework_score[:score].nil? ? 0 : homework_score[:score]) %></span></li>
+            <li>
+              <span class="c_grey02 w280">
+                <%= homework_score.name %>
+              </span>
+              <span class="c_red w70">
+                <%= format("%0.2f",homework_score[:score].nil? ? 0 : homework_score[:score]) %>
+              </span>
+            </li>
        <% end %>
       <li><span class="c_blue03 w280">作业积分（总得分）</span><span class="c_red w70"><%= @member_score.student_homework_score[1] %></span></li>
     </ul>
 
-
   </div>
diff --git a/app/views/courses/show_member_score.js.erb b/app/views/courses/show_member_score.js.erb
index 083f070c2..013b478fc 100644
--- a/app/views/courses/show_member_score.js.erb
+++ b/app/views/courses/show_member_score.js.erb
@@ -6,8 +6,8 @@ $('#ajax-modal').html('<%= escape_javascript(render :partial => 'courses/show_me
 showModal('ajax-modal', '400px');
 //$('#ajax-modal').css('height','569px');
 $('#ajax-modal').siblings().remove();
-$('#ajax-modal').before("<span style='float: right;cursor:pointer;padding-left: 513px;'>" +
-"<a href='javascript:void(0)' onclick='hidden_homework_score_form();'><img src='/images/bid/close.png' width='26px' height='26px' style='margin-left: -30px;' /></a></span>");
+$('#ajax-modal').before("<span>" +
+"<a href='javascript:void(0)' onclick='hidden_homework_score_form();'><img src='/images/bid/close.png' width='26px' height='26px' style='margin-left: 375px;' /></a></span>");
 //$('#ajax-modal').parent().removeClass();
 $('#ajax-modal').parent().css("top","30%").css("left","40%").css("position","fixed");
 $('#ajax-modal').parent().addClass("new-watcher");
diff --git a/app/views/files/_course_list.html.erb b/app/views/files/_course_list.html.erb
index 6039b543b..043aea489 100644
--- a/app/views/files/_course_list.html.erb
+++ b/app/views/files/_course_list.html.erb
@@ -44,7 +44,7 @@
               <% end %>
             </div>
             <div class="cl"></div>
-            <div class="">
+            <div class="mt5">
               <p class="f_l mb5 c_grey02">文件大小：<%= number_to_human_size(file.filesize) %></p>
               <%= link_to( l(:button_delete), attachment_path(file),
                            :data => {:confirm => l(:text_are_you_sure)}, :method => :delete,:class => "f_r re_de") if delete_allowed && file.container_id == @course.id && file.container_type == "Course"%>
diff --git a/app/views/homework_common/_homework_common_form.html.erb b/app/views/homework_common/_homework_common_form.html.erb
index ec6a1bbcc..e3ef0d237 100644
--- a/app/views/homework_common/_homework_common_form.html.erb
+++ b/app/views/homework_common/_homework_common_form.html.erb
@@ -45,7 +45,7 @@
   <p class="fl ml20 f14 mb10 c_orange">基本规则设置（总分为100分）</p>
   <div class="cl"></div>
     <ul class="ml10">
-      <li>
+      <li style="display: none;">
         <label class="label02">迟交扣分：&nbsp;</label>
         <%= select_tag :late_penalty,options_for_select(late_penalty_option,homework.late_penalty), {:class => "fl mb10 h26 w70"}  %>
         <span class="fl mt5">&nbsp;分</span>
@@ -97,7 +97,7 @@
       <div class="cl"></div>
     </li>
 
-    <li >
+    <li style="display: none;">
       <label class="label02">缺评扣分：&nbsp;</label>
       <%= select_tag :absence_penalty,options_for_select(absence_penalty_option,homework.homework_detail_manual.absence_penalty), {:class => "fl mb10 h26 w70"}  %>
       <span class="fl mt5">&nbsp;分</span>
diff --git a/app/views/student_work/_add_score.html.erb b/app/views/student_work/_add_score.html.erb
index e091e507d..bdfcff6e1 100644
--- a/app/views/student_work/_add_score.html.erb
+++ b/app/views/student_work/_add_score.html.erb
@@ -16,7 +16,7 @@
             <%= render :partial => 'student_work/student_work_attachment_form', :locals => {:work => work,:score => score} %>
           </div>
       <%end%>
-      <a href="javascript:void(0);" class="blue_n_btn fr" onclick="$(this).parent().parent().submit();">提交</a>
+      <a href="javascript:void(0);" class="blue_n_btn fr evaluation_submit" onclick="$(this).parent().parent().submit();">提交</a>
       <div class="cl"></div>
     </li>
 <% end%>
\ No newline at end of file
diff --git a/app/views/student_work/_evaluation_work.html.erb b/app/views/student_work/_evaluation_work.html.erb
index 2b8369b24..5a339dc03 100644
--- a/app/views/student_work/_evaluation_work.html.erb
+++ b/app/views/student_work/_evaluation_work.html.erb
@@ -1,22 +1,21 @@
 <!-- 匿评作品列表，显示某一个作品的信息 -->
 <ul class="hwork_ul <%= cycle("b_grey", "") %>" id="student_work_<%= student_work.id%>">
   <% is_my_work = student_work.user == User.current%>
-  <li style="min-height: 1px;width: 65px;">
+  <li class="hwork_num">
     <% if is_my_work%>
-        <% student_id = student_work.user.user_extensions.nil? ? "--" : student_work.user.user_extensions.student_id%>
-        <%= link_to student_id,"javascript:void(0)",:class => "c_grey hwork_center",:title => student_id%>
-    <% else%>
-        <%= link_to "--", "javascript:void(0)",:class => "c_grey hwork_center"%>
+     <span>
+        <%= student_work.user.user_extensions.nil? ? "--" : student_work.user.user_extensions.student_id%>
+     </span>
     <% end%>
   </li>
-  <li>
+  <li class="hwork_name">
     <% if is_my_work%>
-        <%= link_to student_work.user.show_name,user_path(student_work.user),:class => "c_blue02 hwork_name",:title => student_work.user.show_name %>
+        <%= link_to student_work.user.show_name,user_path(student_work.user),:title => student_work.user.show_name %>
     <% else%>
-        <%= link_to "匿名","javascript:void(0)",:class => "c_blue02 hwork_name"%>
+        <%= link_to "匿名","javascript:void(0)"%>
     <% end%>
   </li>
-  <li class=" hwork_tit_e" style="width: 440px">
+  <li class=" hwork_tit_e" style="width: 410px">
     <%= link_to student_work.name, student_work_path(student_work),:remote => true, :title => student_work.name, :class => "c_blue02"%>
   </li>
   <% my_score = student_work_score(student_work,User.current) %>
diff --git a/app/views/student_work/_evaluation_work_title.html.erb b/app/views/student_work/_evaluation_work_title.html.erb
index a3b1cda41..0be6228bb 100644
--- a/app/views/student_work/_evaluation_work_title.html.erb
+++ b/app/views/student_work/_evaluation_work_title.html.erb
@@ -1,7 +1,7 @@
-<li class="w70 ">
-  <span href="javascript:void(0);" class="c_dark f14 fb fl ml15 ">学号</span>
+<li class="hwork_num ">
+  <span class="f14 f_b c_dark fl ">学号</span>
 </li>
-<li class="w70">
+<li class="hwork_name f14 fb c_dark">
   <span class="c_dark f14 fb fl ">学生姓名</span>
 </li>
 <li class="hwork_tit_e">
diff --git a/app/views/student_work/_show.html.erb b/app/views/student_work/_show.html.erb
index 3758ffedd..4e9f337c0 100644
--- a/app/views/student_work/_show.html.erb
+++ b/app/views/student_work/_show.html.erb
@@ -35,9 +35,9 @@
   <% end%>
   <li >
     <span class="tit_fb ">内容：</span>
-    <p class="show_hwork_p break_word">
-      <%= @work.description%>
-    </p>
+    <div class="show_hwork_p break_word">
+      <%= textilizable @work.description%>
+    </div>
     <div class="cl"></div>
   </li>
   <li >
@@ -54,13 +54,13 @@
 
   <% if @is_teacher || (@homework.homework_type == 1 && @homework.homework_detail_manual.comment_status == 2 && @work.user != User.current )%>
       <!-- 老师 || 匿评作业 && 开启匿评状态 && 不是当前用户自己的作品 -->
-      <div id="add_student_score_<%= @work.id%>" class="mt10    ">
+      <div id="add_student_score_<%= @work.id%>" class="mt10 evaluation">
         <%= render :partial => 'add_score',:locals => {:work => @work,:score => @score}%>
       </div>
   <% end%>
 </ul>
 
-<div class="ping_box" id="score_list_<%= @work.id%>" style="<%= @work.student_works_scores.empty? ? 'padding:0px;' : ''%>">
+<div class="ping_box mt10" id="score_list_<%= @work.id%>" style="<%= @work.student_works_scores.empty? ? 'padding:0px;' : ''%>">
   <%@work.student_works_scores.order("created_at desc").each do |score|%>
       <div id="work_score_<%= score.id%>">
         <%= render :partial => 'student_work_score',:locals => {:score => score}%>
diff --git a/app/views/student_work/_student_work.html.erb b/app/views/student_work/_student_work.html.erb
index cff481b7a..e8fb2ce3a 100644
--- a/app/views/student_work/_student_work.html.erb
+++ b/app/views/student_work/_student_work.html.erb
@@ -1,22 +1,23 @@
 <!-- 作品列表，显示某一个作品的信息 -->
 <ul class="hwork_ul <%= cycle("b_grey", "") %>" id="student_work_<%= student_work.id%>">
-  <li style="min-height: 1px;width: 65px;">
-    <% student_id = student_work.user.user_extensions.nil? ? "--" : student_work.user.user_extensions.student_id%>
-    <%= link_to student_id,"javascript:void(0)",:class => "c_grey hwork_center",:title => student_id%>
+  <li class="hwork_num">
+    <span>
+      <%= student_work.user.user_extensions.nil? ? "--" : student_work.user.user_extensions.student_id%>
+    </span>
   </li>
-  <li>
-    <%= link_to student_work.user.show_name,user_path(student_work.user),:class => "c_blue02 hwork_name",:title => student_work.user.show_name%>
+  <li class=" hwork_name ">
+    <%= link_to student_work.user.show_name,user_path(student_work.user),:title => student_work.user.show_name%>
   </li>
   <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'%>">
+  <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>
-  <li class=" hwork_code <%= student_work.teaching_asistant_score.nil? ? 'c_grey' : 'c_red'%>">
+  <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>
-  <li class=" hwork_code02 <%= student_work.student_score.nil? ? 'c_grey' : 'c_red'%> student_score_info">
+  <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)%>
     <% unless student_work.student_score.nil?%>
         <span class="c_blue">
@@ -30,7 +31,7 @@
         </div>
     <% end%>
   </li>
-  <li class=" hwork_code02 <%= student_work.final_score.nil? ? 'c_grey' : 'c_red'%>">
+  <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>
   <div class="cl"></div>
diff --git a/app/views/student_work/_student_work_title.html.erb b/app/views/student_work/_student_work_title.html.erb
index 7cf5e5d01..8162ea971 100644
--- a/app/views/student_work/_student_work_title.html.erb
+++ b/app/views/student_work/_student_work_title.html.erb
@@ -1,32 +1,32 @@
-<li class="w70 ">
-  <span href="javascript:void(0);" class="c_dark f14 fb fl  ">学号</span>
+<li class="hwork_num ">
+  <a href="javascript:void(0);" class=" f14 f_b c_dark fl" >学号</a>
 </li>
-<li class="w70">
-  <span class="c_dark f14 fb fl ">学生姓名</span>
+<li class=" hwork_name f14 fb c_dark">
+  学生姓名
 </li>
 <li class="hwork_tit">
   <span class="c_dark f14 fb fl">作品名称</span>
 </li>
-<li class="w70 mr5" >
-  <%= 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 => "c_dark f14 fb fl"%>
+<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"%>
   <% if @show_all && @order == "teacher_score"%>
       <a href="javascript:void(0);" class="<%= @score == 'desc' ? 'st_up' : 'st_down'%>" ></a>
   <% end%>
 </li>
-<li class="w70 mr5">
-  <%= 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 => "c_dark f14 fb fl"%>
+<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"%>
   <% if @show_all && @order == "teaching_asistant_score"%>
       <a href="javascript:void(0);" class="<%= @score == 'desc' ? 'st_up' : 'st_down'%>" ></a>
   <% end%>
 </li>
-<li class="w60 mr5 ml10">
-  <%= link_to "匿评",@show_all ? student_work_index_path(:homework => @homework.id,:order => "student_score", :sort => @score, :name => @name) : "javascript:void(0)",:class => "c_dark f14 fb fl"%>
+<li class="mr5 ml15 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="w40 ml10" id="final_sort">
-  <%= link_to "成绩",@show_all ? student_work_index_path(:homework => @homework.id,:order => "final_score", :sort => @score, :name => @name) : "javascript:void(0)",:class => "c_dark f14 fb fl"%>
+<li class="ml30">
+  <%= 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>
   <% end%>
diff --git a/app/views/student_work/_work_attachments.html.erb b/app/views/student_work/_work_attachments.html.erb
index 638644fdf..f303897bc 100644
--- a/app/views/student_work/_work_attachments.html.erb
+++ b/app/views/student_work/_work_attachments.html.erb
@@ -1,5 +1,8 @@
-<% for attachment in attachments %>
-    <%= link_to_short_attachment attachment, :class => 'link_file', :download => true -%>
-    <span class="ml5">(<%= number_to_human_size attachment.filesize %>)</span>
-    <div class="cl"></div>
+<% attachments.each_with_index do |attachment,i| %>
+    <div id="attachment_<%= attachment.id%>">
+      <%= link_to_short_attachment attachment, :class => 'link_file', :download => true -%>
+      <%= link_to('&nbsp;'.html_safe, attachment_path(attachment, :format => 'js'), :method => 'delete', :remote => true, :title => '删除', :class => 'remove-upload', :confirm => l(:text_are_you_sure)) if attachment.id && User.current == attachment.author %>
+      <span class="ml5">(<%= number_to_human_size attachment.filesize %>)</span>
+      <div class="cl"></div>
+    </div>
 <% end -%>
diff --git a/app/views/student_work/index.html.erb b/app/views/student_work/index.html.erb
index 9fa678bc4..1cd665569 100644
--- a/app/views/student_work/index.html.erb
+++ b/app/views/student_work/index.html.erb
@@ -36,6 +36,7 @@
       </span>
       <% if @show_all%>
         <input  type="text" value="<%= @name%>" placeholder="昵称、学号、姓名搜索" class="min_search ml10 fl" onkeypress="SearchByName($(this),'<%= student_work_index_path(:homework => @homework.id)%>',event);">
+        <a class="student_work_search fl" onclick="SearchByName($(this).prev(),'<%= student_work_index_path(:homework => @homework.id)%>');" href="javascript:void(0)">搜索</a>
       <% end%>
       <% if @is_teacher%>
           <div class="fr">
diff --git a/config/locales/zh.yml b/config/locales/zh.yml
index 7d926bd34..7653a0c4e 100644
--- a/config/locales/zh.yml
+++ b/config/locales/zh.yml
@@ -112,7 +112,7 @@ zh:
   field_project: 项目
   field_issue: 问题
 
-  field_notes: 说明
+  field_notes: 内容
   field_is_closed: 已关闭的问题
   field_is_default: 默认值
 
diff --git a/public/javascripts/course.js b/public/javascripts/course.js
index e35a49eed..0570ec437 100644
--- a/public/javascripts/course.js
+++ b/public/javascripts/course.js
@@ -793,6 +793,10 @@ function SearchByName(obj,url,event)
         location.href = url + "&name=" + obj.val();
     }
 }
+function SearchByName(obj,url)
+{
+    location.href = url + "&name=" + obj.val();
+}
 
 $(function(){
     $("#about_project label").eq(1).remove();
diff --git a/public/stylesheets/courses.css b/public/stylesheets/courses.css
index 85db8361d..7127a1f38 100644
--- a/public/stylesheets/courses.css
+++ b/public/stylesheets/courses.css
@@ -630,14 +630,17 @@ a:hover.icon_add{background:url(images/icons.png) -20px -310px no-repeat;}
 .w300{ width:300px;}
 .w80{ width:80px;}
 .t_c{ text-align:center;}
-.hwork_tit{ width:240px; float:left; }
-.hwork_tit a{ width:255px;  display:block; overflow:hidden; white-space: nowrap; text-overflow:ellipsis; }
-.hwork_tit_e{ width:440px; float:left; }
-.hwork_tit_e a{ width:455px;  display:block; overflow:hidden; white-space: nowrap; text-overflow:ellipsis; }
-.hwork_code{ width:60px; text-align:center; margin-right:15px;}
-.hwork_code02{ width:60px; text-align:center; margin-right:10px;}
+
+.hwork_tit{ width:210px; float:left; }
+.hwork_tit a{ width:205px;  display:block; overflow:hidden; white-space: nowrap; text-overflow:ellipsis; }
+.hwork_code{ width:56px; text-align:center;  }
+.hwork_code02{ width:60px; text-align:center;  }
+.hwork_tit_e{ width:420px; float:left; }
+.hwork_tit_e a{ width:405px;  display:block; overflow:hidden; white-space: nowrap; text-overflow:ellipsis; }
+.hwork_num{ width:90px;  display:block; overflow:hidden; white-space: nowrap; text-overflow:ellipsis;min-height: 1px;}
+.mr18{ margin-right:18px;}
 a.hwork_center{ display:block; width:60px;  margin-right:5px;overflow: hidden; white-space: nowrap; text-overflow:ellipsis;}
-a.hwork_name{ display:block;width:65px;  margin-right:10px;overflow: hidden;white-space: nowrap; text-overflow:ellipsis;min-height: 1px;}
+.hwork_name{ display:block;width:80px; overflow: hidden;white-space: nowrap; text-overflow:ellipsis;min-height: 1px;}
 .show_hwork{ border:2px solid #64bdd9; width:646px; padding:10px; color:#666666; padding-bottom:0px; }
 .show_hwork ul li{ margin-bottom:5px;}
 .show_hwork_arrow{ position:relative; top:2px; left:25px;background:url(../images/course/arrow_up.jpg) 0 0 no-repeat; width:20px; height:11px;}
@@ -656,7 +659,6 @@ a:hover.ping_pic{border:1px solid #64bdd9;}
 a.down_btn{ border:1px solid #CCC; color:#999; padding:0px 5px; font-size:12px; text-align:center; display:block;}
 a:hover.down_btn{ background:#14ad5a; color:#fff; border:1px solid #14ad5a;}
 .fr{ float:right;}
-.min_search{ width:200px; height:20px; border:1px solid #d0d0d0; color:#666; background:url(../images/public_icon.png) 185px -193px no-repeat; cursor:pointer;}
 .li_min_search{ float:right; margin-right:-10px;}
 .info_ni{ width:100px; padding:5px;position: absolute;display:none;-moz-border-radius:3px;  -webkit-border-radius:3px;  border-radius:3px; box-shadow:0px 0px 5px #194a81; color:#666; background:#fff; text-align:left;}
 /*返回顶部*/
@@ -671,6 +673,9 @@ input#score{ width:40px;}
 .ui-slider .ui-slider-range{position:absolute;z-index:1;font-size:.7em;display:block;border:0;top:0;height:100%;background:#64bdd9;left:0;}
 
 .filename { background: url(../images/pic_file.png) 0 -25px no-repeat;color: #3ca5c6;max-width: 150px;border: none; padding-left: 20px;margin-right: 10px;margin-bottom: 5px;}
+.evaluation{position: relative;}
+.evaluation_submit{position: absolute;right: 0px;bottom: 5px;}
+.student_work_search{background-color: #64bdd9;color: white !important;padding: 2px 7px;margin-left: 10px;cursor: pointer; }
 
 
 
diff --git a/public/stylesheets/public.css b/public/stylesheets/public.css
index d6e6907fa..306520f96 100644
--- a/public/stylesheets/public.css
+++ b/public/stylesheets/public.css
@@ -18,7 +18,7 @@ table{ background:#fff;}
 .no_line{ border-bottom:none;}
 .line{border-bottom:1px dashed #d4d4d4; padding-bottom:10px; margin-bottom:10px;}
 .no_border{ border:none;}
-.min_search{ width:150px; height:20px; border:1px solid #d0d0d0; color:#666; background:url(../images/new_project/public_icon.png) 135px -193px no-repeat; cursor:pointer;}
+.min_search{ width:150px; height:20px; border:1px solid #d0d0d0; color:#666; background:url(../images/new_project/public_icon.png) 135px -193px no-repeat;}
 
 /* font & color */
 h2{ font-size:18px; color:#15bccf;}
@@ -59,6 +59,7 @@ h4{ font-size:14px; color:#3b3b3b;}
 .ml10{ margin-left:10px;}
 .ml15{ margin-left:15px;}
 .ml20{ margin-left:20px;}
+.ml35{margin-left: 35px;}
 .ml40{ margin-left:40px;}
 .ml45{ margin-left:45px;}
 .ml55{ margin-left:55px;}
@@ -86,6 +87,7 @@ h4{ font-size:14px; color:#3b3b3b;}
 .mb20{ margin-bottom:20px;}
 .pl15{ padding-left:15px;}
 .w20{ width:20px;}
+.w40{width: 40px;}
 .w45{ width: 45px;}
 .w60{ width:60px;}
 .w70{ width:70px;}