diff --git a/app/controllers/attachments_controller.rb b/app/controllers/attachments_controller.rb
index a429a8397..911df776e 100644
--- a/app/controllers/attachments_controller.rb
+++ b/app/controllers/attachments_controller.rb
@@ -695,7 +695,7 @@ class AttachmentsController < ApplicationController
         @attachment.container.board.course)
       @course = @attachment.container.board.course
     else
-      unless @attachment.container_type == 'Syllabus' || @attachment.container_type == 'Bid' ||  @attachment.container_type == 'Organization' || @attachment.container_type == 'HomeworkAttach' || @attachment.container_type == 'Memo' || @attachment.container_type == 'Softapplication' || @attachment.container_type == 'PhoneAppVersion' || @attachment.container_type == 'StudentWorksScore'|| @attachment.container_type == 'StudentWork' || @attachment.container_type == 'Work'|| @attachment.container_type == 'ContestantWork'|| @attachment.container_type == 'Contest'
+      unless @attachment.container_type == 'Syllabus' || @attachment.container_type == 'Bid' ||  @attachment.container_type == 'Organization' || @attachment.container_type == 'HomeworkAttach' || @attachment.container_type == 'Memo' || @attachment.container_type == 'Softapplication' || @attachment.container_type == 'PhoneAppVersion' || @attachment.container_type == 'StudentWorksScore'|| @attachment.container_type == 'StudentWork' || @attachment.container_type == 'Work'|| @attachment.container_type == 'ContestantWork'|| @attachment.container_type == 'Contest' || @attachment.container_type == 'HomeworkBank'
         @project = @attachment.project
       end
     end
diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 186dc36ed..5fc83a93e 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -1269,14 +1269,14 @@ class UsersController < ApplicationController
       #@homework.end_time = homework.end_time
       @homework.homework_type = homework.homework_type
       #@homework.course_id = homework.course_id
-      # homework.attachments.each do |attachment|
-      #   att = attachment.copy
-      #   att.container_id = nil
-      #   att.container_type = nil
-      #   att.copy_from = attachment.id
-      #   att.save
-      #   @homework.attachments << att
-      # end
+      homework.attachments.each do |attachment|
+        att = attachment.copy
+        att.container_id = nil
+        att.container_type = nil
+        att.copy_from = attachment.id
+        att.save
+        @homework.attachments << att
+      end
 
       #if homework_detail_programing
       if homework.homework_type == 2
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index d668a4764..0ddca7032 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -2532,6 +2532,8 @@ module ApplicationHelper
         candown = true
       elsif attachment.container.class.to_s=="ContestantWork"
         candown = true
+      elsif attachment.container.class.to_s=="HomeworkBank"
+        candown = true
       elsif attachment.container.class.to_s=="BlogComment" #博客资源允许下载
         candown = true
       elsif attachment.container.class.to_s=="Memo" #论坛资源允许下载
@@ -4149,6 +4151,15 @@ def add_to_homework_bank_f homework
     homework_bank.max_num = homework.homework_detail_group.max_num
     homework_bank.base_on_project = homework.homework_detail_group.base_on_project
   end
+  homework.attachments.each do |attachment|
+    att = attachment.copy
+    att.container_id = nil
+    att.container_type = nil
+    att.author_id = homework_bank.user_id
+    att.copy_from = attachment.id
+    att.save
+    homework_bank.attachments << att
+  end
   homework_bank
 end
 
diff --git a/app/views/users/_homework_repository_detail.html.erb b/app/views/users/_homework_repository_detail.html.erb
index 0d7bb9f26..27cd7ffcb 100644
--- a/app/views/users/_homework_repository_detail.html.erb
+++ b/app/views/users/_homework_repository_detail.html.erb
@@ -65,6 +65,10 @@
             分组人数：<%=@homework.min_num %> - <%=@homework.max_num %>人
           </p>
       <% end %>
+
+      <div class="mt10" style="font-weight:normal;">
+        <%= render :partial=>"attachments/activity_attach", :locals=>{:activity => @homework} %>
+      </div>
     </div>
   </div>
 </div>
diff --git a/db/migrate/20170227074837_add_attach_to_homework_bank.rb b/db/migrate/20170227074837_add_attach_to_homework_bank.rb
new file mode 100644
index 000000000..1fff0d7d9
--- /dev/null
+++ b/db/migrate/20170227074837_add_attach_to_homework_bank.rb
@@ -0,0 +1,19 @@
+class AddAttachToHomeworkBank < ActiveRecord::Migration
+  def change
+    HomeworkBank.all.each do |homework_bank|
+      homework = homework_bank.homework_common_id.nil? ? nil : HomeworkCommon.where(:id =>homework_bank.homework_common_id).first
+      unless homework.nil?
+        homework.attachments.each do |attachment|
+          att = attachment.copy
+          att.container_id = nil
+          att.container_type = nil
+          att.author_id = homework_bank.user_id
+          att.copy_from = attachment.id
+          att.save
+          homework_bank.attachments << att
+          homework_bank.save
+        end
+      end
+    end
+  end
+end