diff --git a/app/views/student_work/_evaluation_un_title.html.erb b/app/views/student_work/_evaluation_un_title.html.erb
index 540c5f315..5ed2e82d6 100644
--- a/app/views/student_work/_evaluation_un_title.html.erb
+++ b/app/views/student_work/_evaluation_un_title.html.erb
@@ -25,43 +25,43 @@
         <th class="<%=@homework.anonymous_comment == 1 ? 'hworkList340' : 'hworkList290' %>  pl5 pr5" style="text-align:left;">作品名称</th>
     <% end %>
     <th class="hworkList130">
-      <%= link_to "时间",@show_all ? student_work_index_path(:homework => @homework.id,:order => "created_at", :sort => @score, :name => @name, :group => @group) : "javascript:void(0)",:class => "c_dark f14 fb fl ml50" ,:remote => true%>
+      <%= link_to "时间",@show_all ? student_work_index_path(:homework => @homework.id,:order => "created_at", :sort => @score, :name => @name, :group => @group) : "javascript:void(0)",:class => "c_dark f14 fb" ,:remote => true%>
       <% if @show_all && @order == "created_at"%>
-          <%= link_to "", student_work_index_path(:homework => @homework.id,:order => "created_at", :sort => @score, :name => @name, :group => @group) ,:class => "#{@score == 'desc' ? 'st_up' : 'st_down'} mt10",:remote => true%>
+          <%= link_to "", student_work_index_path(:homework => @homework.id,:order => "created_at", :sort => @score, :name => @name, :group => @group) ,:class => "#{@score == 'desc' ? 'sort_up' : 'sort_down'} float-none",:style => "line-height:30px; vertical-align:middle;",:remote => true%>
       <% end%>
     </th>
     <th class="hworkList50">
-      <%= link_to "教师",@show_all ? student_work_index_path(:homework => @homework.id,:order => "teacher_score", :sort => @score, :name => @name, :group => @group) : "javascript:void(0)",:class => "c_dark f14 fb fl ml10" ,:remote => true%>
+      <%= link_to "教师",@show_all ? student_work_index_path(:homework => @homework.id,:order => "teacher_score", :sort => @score, :name => @name, :group => @group) : "javascript:void(0)",:class => "c_dark f14 fb" ,:remote => true%>
       <% if @show_all && @order == "teacher_score"%>
-          <%= link_to "", student_work_index_path(:homework => @homework.id,:order => "teacher_score", :sort => @score, :name => @name, :group => @group) ,:class => "#{@score == 'desc' ? 'st_up' : 'st_down'} mt10" ,:remote => true%>
+          <%= link_to "", student_work_index_path(:homework => @homework.id,:order => "teacher_score", :sort => @score, :name => @name, :group => @group) ,:class => "#{@score == 'desc' ? 'sort_up' : 'sort_down'} float-none" ,:style => "line-height:30px; vertical-align:middle;",:remote => true%>
       <% end%>
     </th>
     <th class="hworkList50">
-      <%= link_to "教辅",@show_all ? student_work_index_path(:homework => @homework.id,:order => "teaching_asistant_score", :sort => @score, :name => @name, :group => @group) : "javascript:void(0)",:class => "c_dark f14 fb fl ml10",:remote => true%>
+      <%= link_to "教辅",@show_all ? student_work_index_path(:homework => @homework.id,:order => "teaching_asistant_score", :sort => @score, :name => @name, :group => @group) : "javascript:void(0)",:class => "c_dark f14 fb",:remote => true%>
       <% if @show_all && @order == "teaching_asistant_score"%>
-          <%= link_to "", student_work_index_path(:homework => @homework.id,:order => "teaching_asistant_score", :sort => @score, :name => @name, :group => @group) ,:class => "#{@score == 'desc' ? 'st_up' : 'st_down'} mt10",:remote => true%>
+          <%= link_to "", student_work_index_path(:homework => @homework.id,:order => "teaching_asistant_score", :sort => @score, :name => @name, :group => @group) ,:class => "#{@score == 'desc' ? 'sort_up' : 'sort_down'} float-none",:style => "line-height:30px; vertical-align:middle;",:remote => true%>
       <% end%>
     </th>
     <% if @homework.homework_type == 2%>
         <th class="hworkList50">
-          <%= link_to "系统",@show_all ? student_work_index_path(:homework => @homework.id,:order => "system_score", :sort => @score, :name => @name, :group => @group) : "javascript:void(0)",:class => "c_dark f14 fb fl ml10",:remote => true%>
+          <%= link_to "系统",@show_all ? student_work_index_path(:homework => @homework.id,:order => "system_score", :sort => @score, :name => @name, :group => @group) : "javascript:void(0)",:class => "c_dark f14 fb",:remote => true%>
           <% if @show_all && @order == "system_score"%>
-              <%= link_to "", student_work_index_path(:homework => @homework.id,:order => "system_score", :sort => @score, :name => @name, :group => @group) ,:class => "#{@score == 'desc' ? 'st_up' : 'st_down'} mt10",:remote => true%>
+              <%= link_to "", student_work_index_path(:homework => @homework.id,:order => "system_score", :sort => @score, :name => @name, :group => @group) ,:class => "#{@score == 'desc' ? 'sort_up' : 'sort_down'} float-none",:style => "line-height:30px; vertical-align:middle;",:remote => true%>
           <% end%>
         </th>
     <% end%>
     <% if @homework.anonymous_comment == 0%>
         <th class="hworkList50">
-          <%= link_to "匿评",@show_all ? student_work_index_path(:homework => @homework.id,:order => "student_score", :sort => @score, :name => @name, :group => @group) : "javascript:void(0)",:class => "c_dark f14 fb fl ml10",:remote => true%>
+          <%= link_to "匿评",@show_all ? student_work_index_path(:homework => @homework.id,:order => "student_score", :sort => @score, :name => @name, :group => @group) : "javascript:void(0)",:class => "c_dark f14 fb",:remote => true%>
           <% if @show_all && @order == "student_score"%>
-              <%= link_to "", student_work_index_path(:homework => @homework.id,:order => "student_score", :sort => @score, :name => @name, :group => @group) ,:class => "#{@score == 'desc' ? 'st_up' : 'st_down'} mt10",:remote => true%>
+              <%= link_to "", student_work_index_path(:homework => @homework.id,:order => "student_score", :sort => @score, :name => @name, :group => @group) ,:class => "#{@score == 'desc' ? 'sort_up' : 'sort_down'} float-none",:style => "line-height:30px; vertical-align:middle;",:remote => true%>
           <% end%>
         </th>
     <% end %>
     <th class="hworkList50">
-      <%= link_to "成绩",@show_all ? student_work_index_path(:homework => @homework.id,:order => "score", :sort => @score, :name => @name, :group => @group) : "javascript:void(0)",:class => "c_dark f14 fb fl ml10",:remote => true%>
+      <%= link_to "成绩",@show_all ? student_work_index_path(:homework => @homework.id,:order => "score", :sort => @score, :name => @name, :group => @group) : "javascript:void(0)",:class => "c_dark f14 fb",:remote => true%>
       <% if @show_all && @order == "score"%>
-          <%= link_to "", student_work_index_path(:homework => @homework.id,:order => "score", :sort => @score, :name => @name, :group => @group) ,:class => "#{@score == 'desc' ? 'st_up' : 'st_down'} mt10",:remote => true%>
+          <%= link_to "", student_work_index_path(:homework => @homework.id,:order => "score", :sort => @score, :name => @name, :group => @group) ,:class => "#{@score == 'desc' ? 'sort_up' : 'sort_down'} float-none",:style => "line-height:30px; vertical-align:middle;",:remote => true%>
       <% end%>
     </th>
   </tr>