diff --git a/app/controllers/files_controller.rb b/app/controllers/files_controller.rb
index dc60b24a..8f2b79bd 100644
--- a/app/controllers/files_controller.rb
+++ b/app/controllers/files_controller.rb
@@ -61,4 +61,8 @@ class FilesController < ApplicationController
     end
     redirect_to project_files_path(@project)
   end
+
+  def show_by_attachtype
+
+  end
 end
diff --git a/app/models/course.rb b/app/models/course.rb
index d2f1abfe..9f0c42c6 100644
--- a/app/models/course.rb
+++ b/app/models/course.rb
@@ -7,6 +7,7 @@ class Course < ActiveRecord::Base
   belongs_to :school, :class_name => 'School', :foreign_key => :school_id #定义一个方法school，该方法通过school_id来调用School表
   has_many :bid
   validates_presence_of :password, :term
+  validates_format_of  :class_period, :message => "class period can only digital!", :with =>/^[1-9]\d*$/
   safe_attributes 'extra',
   'time',
   'name',
@@ -17,7 +18,14 @@ class Course < ActiveRecord::Base
   'password',
   'term',
   'password'
- 
+
+   #自定义验证
+  def validate
+    if  !class_period.match([0-9])
+      errors.add_to_base("class period can only digital")
+    end
+  end
+
   def get_endup_time
     begin
       end_time = Time.parse(self.endup_time)
diff --git a/app/models/project.rb b/app/models/project.rb
index 827ed099..007f7e30 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -164,6 +164,13 @@ class Project < ActiveRecord::Base
     @attachmenttypes = Attachmentstype.find(:all, :conditions => ["#{Attachmentstype.table_name}.typeId= ?",self.attachmenttype ])
   end
 
+  #自定义验证
+  def validation
+    if  !class_period.match([0-9])
+      errors.add_to_base("class period can only digital")
+    end
+  end
+
 #   项目留言   added by fq
   def self.add_jour(user, notes)
     project = Project.find('trustie')
diff --git a/app/views/files/index.html.erb b/app/views/files/index.html.erb
index 7552b994..b9da42d9 100644
--- a/app/views/files/index.html.erb
+++ b/app/views/files/index.html.erb
@@ -174,6 +174,8 @@ div.pagination{
 
 
 <% delete_allowed = User.current.allowed_to?(:manage_files, @project) %>
+
+
 <table class="list files" id="ver-zebra" >
 	<colgroup>
     	<col class="vzebra-odd" />
@@ -190,7 +192,7 @@ div.pagination{
     <%= sort_header_tag('operation', :caption => "", :scope =>"col", :id => "vzebra-children") %>
     <!-- <%= sort_header_tag('description', :caption => l(:field_description)) %> -->
   </tr></thead>
-  <tbody>
+    <tbody>
     <% @containers.each do |container| %>
     <% next if container.attachments.empty? -%>
     <% if container.is_a?(Version) -%>
@@ -233,7 +235,7 @@ div.pagination{
 
 <% html_title(l(:label_attachment_plural)) -%>
 
-<script type='text/javascript';>
+<script type='text/javascript'>
 var slideHeight = 29;
 function readmore (aNode) {
   // console.log(aNode)
diff --git a/app/views/files/show_by_attachtype.html.erb b/app/views/files/show_by_attachtype.html.erb
new file mode 100644
index 00000000..7610a1ae
--- /dev/null
+++ b/app/views/files/show_by_attachtype.html.erb
@@ -0,0 +1,26 @@
+<h3><%=l(:label_attachment_new)%></h3>
+<% versions = project.versions.sort %>
+<% attachmenttypes = project.attachmenttypes %>
+<%= error_messages_for 'attachment' %>
+<%= form_tag(project_files_path(project), :multipart => true, :class => "tabular") do %>
+    <div class="box">
+
+      <% if versions.any? %>
+          <p><label for="version_id"><%=l(:field_version)%></label>
+            <%= select_tag "version_id", content_tag('option', '') +
+                    options_from_collection_for_select(versions, "id", "name") %></p>
+      <% end %>
+
+      <% if attachmenttypes.any? %>
+          <p>      <label for="attachment_type"><%=l(:attachment_type)%></label>
+            <%= select_tag "attachment_type", content_tag('option', '') +
+                    options_from_collection_for_select(attachmenttypes, "id",
+                                                       "typeName") %>
+          </p>
+      <% end %>
+
+      <p><label><%=l(:label_attachment_plural)%></label><%= render :partial => 'attachments/form' %></p>
+    </div>
+    <%= submit_tag l(:button_add) %>
+<% end %>
+<div class="line_under" style="margin:20px 0px;"></div>
\ No newline at end of file
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 08255e98..b5c59808 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -132,6 +132,7 @@ en:
 
   actionview_instancetag_blank_option: Please select
 
+  attachment_type: 'Attachment Type'
   general_text_No: 'No'
   general_text_Yes: 'Yes'
   general_text_no: 'no'
diff --git a/config/locales/zh.yml b/config/locales/zh.yml
index 9acb5e59..8af5a2c4 100644
--- a/config/locales/zh.yml
+++ b/config/locales/zh.yml
@@ -140,6 +140,7 @@ zh:
 
   actionview_instancetag_blank_option: 请选择
 
+  attachment_type: '资源分类'
   general_text_No: '否'
   general_text_Yes: '是'
   general_text_no: '否'
diff --git a/db/migrate/20140508030358_add_attachtype_to_attachments.rb b/db/migrate/20140508030358_add_attachtype_to_attachments.rb
index 24a98839..e22d02e6 100644
--- a/db/migrate/20140508030358_add_attachtype_to_attachments.rb
+++ b/db/migrate/20140508030358_add_attachtype_to_attachments.rb
@@ -1,5 +1,5 @@
 class AddAttachtypeToAttachments < ActiveRecord::Migration
   def change
-    add_column :attachments, :attachtype, :int
+    add_column :attachments, :attachtype, :int   ,default: 1
   end
 end
diff --git a/db/schema.rb b/db/schema.rb
index 2ff8ca00..a15eca7b 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20140508030358) do
+ActiveRecord::Schema.define(:version => 20140509020307) do
 
   create_table "activities", :force => true do |t|
     t.integer "act_id",   :null => false
@@ -43,6 +43,14 @@ ActiveRecord::Schema.define(:version => 20140508030358) do
   add_index "attachments", ["container_id", "container_type"], :name => "index_attachments_on_container_id_and_container_type"
   add_index "attachments", ["created_on"], :name => "index_attachments_on_created_on"
 
+  create_table "attachmentstypes", :id => false, :force => true do |t|
+    t.integer "id",                     :null => false
+    t.integer "typeId"
+    t.string  "typeName", :limit => 50
+  end
+
+  add_index "attachmentstypes", ["id"], :name => "id"
+
   create_table "auth_sources", :force => true do |t|
     t.string  "type",              :limit => 30, :default => "",    :null => false
     t.string  "name",              :limit => 60, :default => "",    :null => false
@@ -585,6 +593,7 @@ ActiveRecord::Schema.define(:version => 20140508030358) do
     t.boolean  "inherit_members", :default => false, :null => false
     t.integer  "project_type"
     t.boolean  "hidden_repo",     :default => false, :null => false
+    t.integer  "attachmenttype",  :default => 1
   end
 
   add_index "projects", ["lft"], :name => "index_projects_on_lft"
diff --git a/lib/plugins/acts_as_attachable/lib/acts_as_attachable.rb b/lib/plugins/acts_as_attachable/lib/acts_as_attachable.rb
index ca556919..30bbaedd 100644
--- a/lib/plugins/acts_as_attachable/lib/acts_as_attachable.rb
+++ b/lib/plugins/acts_as_attachable/lib/acts_as_attachable.rb
@@ -60,6 +60,11 @@ module Redmine
           @unsaved_attachments ||= []
         end
 
+        def save_attachmentsex(attachments, author=User.current,attachment_type)
+          @curattachment_type = attachment_type
+          result = save_attachments(attachments,author)
+          result
+        end
         def save_attachments(attachments, author=User.current)
           if attachments.is_a?(Hash)
             attachments = attachments.stringify_keys
@@ -91,6 +96,7 @@ module Redmine
               end
               next unless a
               a.description = attachment['description'].to_s.strip
+              a.attachtype = @curattachment_type;
               if a.new_record?
                 unsaved_attachments << a
               else