diff --git a/app/views/student_work/_student_work_title.html.erb b/app/views/student_work/_student_work_title.html.erb
index 2a3a5e124..23e29b01b 100644
--- a/app/views/student_work/_student_work_title.html.erb
+++ b/app/views/student_work/_student_work_title.html.erb
@@ -13,30 +13,31 @@
<%= 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"%>
-
+ <%= link_to "",student_work_index_path(:homework => @homework.id,:order => "created_at", :sort => @score, :name => @name) ,:class => @score == 'desc' ? 'st_up' : 'st_down'%>
<% end%>
<%= 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"%>
-
+ <%= link_to "", student_work_index_path(:homework => @homework.id,:order => "teacher_score", :sort => @score, :name => @name) ,:class => @score == 'desc' ? 'st_up' : 'st_down'%>
<% end%>
<%= 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"%>
-
+ <%= link_to "", student_work_index_path(:homework => @homework.id,:order => "teaching_asistant_score", :sort => @score, :name => @name) ,:class => @score == 'desc' ? 'st_up' : 'st_down'%>
+
<% end%>
<%= 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"%>
-
+ <%= link_to "", student_work_index_path(:homework => @homework.id,:order => "student_score", :sort => @score, :name => @name) ,:class => @score == 'desc' ? 'st_up' : 'st_down'%>
<% end%>
<%= 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"%>
-
+ <%= link_to "", student_work_index_path(:homework => @homework.id,:order => "final_score", :sort => @score, :name => @name) ,:class => @score == 'desc' ? 'st_up' : 'st_down'%>
<% end%>
\ No newline at end of file