diff --git a/app/controllers/homework_attach_controller.rb b/app/controllers/homework_attach_controller.rb
index 5c4542944..c2ba1654b 100644
--- a/app/controllers/homework_attach_controller.rb
+++ b/app/controllers/homework_attach_controller.rb
@@ -55,7 +55,29 @@ class HomeworkAttachController < ApplicationController
     @direction = direction == 'asc'? 'desc' : 'asc'
     respond_to do |format|
       format.js
+      format.csv {
+        send_data(homework_to_csv(all_homework_list), :type => 'text/csv; header=present', :filename => 'issues.csv')
+      }
+    end
+  end
+
+  def homework_to_csv items
+    encoding = l(:general_csv_encoding)
+    columns = ["student_id","user_name","login","student_num","mail","work_name","teacher_score","ni_score","commit_time"]
+
+
+    export = FCSV.generate(:col_sep => l(:general_csv_separator)) do |csv|
+      # csv header fields
+      csv << columns.collect {|c| Redmine::CodesetUtil.from_utf8(c, encoding) }
+      # csv lines
+      items.each do |homework|
+        csv << [homework.user.id,Redmine::CodesetUtil.from_utf8(homework.user.lastname.to_s + homework.user.firstname.to_s, encoding),Redmine::CodesetUtil.from_utf8(homework.user.login, encoding),
+                Redmine::CodesetUtil.from_utf8(homework.user.user_extensions.student_id, encoding),Redmine::CodesetUtil.from_utf8(homework.user.mail, encoding),Redmine::CodesetUtil.from_utf8(homework.name, encoding),
+                Redmine::CodesetUtil.from_utf8((homework.t_score.nil? || (homework.t_score && homework.t_score.to_i == 0)) ? l(:label_without_score) : format("%.2f",homework.t_score), encoding),
+                Redmine::CodesetUtil.from_utf8( homework.s_score.nil? ? l(:label_without_score) : format("%.2f",homework.s_score), encoding),Redmine::CodesetUtil.from_utf8(format_time(homework.created_at), encoding)]
+      end
     end
+    export
   end
 
   #获取所有作业列表
diff --git a/app/views/bids/_homework_list.html.erb b/app/views/bids/_homework_list.html.erb
index ea1f9b770..202a2ee91 100644
--- a/app/views/bids/_homework_list.html.erb
+++ b/app/views/bids/_homework_list.html.erb
@@ -62,11 +62,6 @@
                            :is_student_batch_homework => @is_student_batch_homework}%>
   </div>
 </div>
-  <% if @is_teacher %>
-      <!--<div>
-        导出 <a>csv</a>
-      </div>-->
-  <% end %>
 </div>
 <div id="show_homework_attach_model"></div>
 </body>
diff --git a/app/views/homework_attach/_homeworks_list.html.erb b/app/views/homework_attach/_homeworks_list.html.erb
index 8ef696e0c..6ada00bb9 100644
--- a/app/views/homework_attach/_homeworks_list.html.erb
+++ b/app/views/homework_attach/_homeworks_list.html.erb
@@ -63,4 +63,10 @@
     <span style="color: red;">
       <%= anonymous_comment_notice(@bid, @bid.courses.first)  %>
     </span>
+    <% other_formats_links do |f| %>
+        <%= f.link_to 'CSV', :url => params %>
+    <% end %>
+        <!--<div>
+          导出 <a>csv</a>
+        </div> -->
 <% end %>