diff --git a/app/views/student_work/_student_work_title.html.erb b/app/views/student_work/_student_work_title.html.erb
index 982eb34d8..9e50ed72d 100644
--- a/app/views/student_work/_student_work_title.html.erb
+++ b/app/views/student_work/_student_work_title.html.erb
@@ -8,7 +8,10 @@
   <span class="c_dark f14 fb fl">作品名称</span>
 </li>
 <li class=" hwork_time f14 fb c_dark">
-  时间
+  <%= 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"%>