diff --git a/Gemfile b/Gemfile
index 70281fedf..679e0a5b2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,10 +4,11 @@ source 'http://ruby.taobao.org'
 unless RUBY_PLATFORM =~ /w32/
   # unix-like only
   gem 'iconv'
-  gem 'rubyzip'
-  gem 'zip-zip'
 end
 
+gem 'rubyzip'
+gem 'delayed_job_active_record'#, :group => :production
+gem 'daemons'
 gem 'grape', '~> 0.9.0'
 gem 'grape-entity'
 gem 'seems_rateable', '~> 1.0.13'
diff --git a/app/api/mobile/api.rb b/app/api/mobile/api.rb
index 3673d623c..4724b0bc0 100644
--- a/app/api/mobile/api.rb
+++ b/app/api/mobile/api.rb
@@ -41,7 +41,7 @@ module Mobile
     mount Apis::Comments
 
     #add_swagger_documentation ({api_version: 'v1', base_path: 'http://u06.shellinfo.cn/trustie/api'})
-    add_swagger_documentation ({api_version: 'v1', base_path: '/api'})  if Rails.env.development?
+    #add_swagger_documentation ({api_version: 'v1', base_path: '/api'})  if Rails.env.development?
 
   end
 end
diff --git a/app/controllers/account_controller.rb b/app/controllers/account_controller.rb
index 2cf404ffb..f8d0f5dd1 100644
--- a/app/controllers/account_controller.rb
+++ b/app/controllers/account_controller.rb
@@ -88,9 +88,7 @@ class AccountController < ApplicationController
         # create a new token for password recovery
         token = Token.new(:user => user, :action => "recovery")
         if token.save
-          Thread.new do
-            Mailer.lost_password(token).deliver
-          end
+            Mailer.run.lost_password(token)
             flash[:notice] = l(:notice_account_lost_email_sent)
             redirect_to signin_url
           return                      
@@ -228,7 +226,7 @@ class AccountController < ApplicationController
     user = User.find(params[:user]) if params[:user]
     token = Token.new(:user => user, :action => "register")
     if token.save
-      Mailer.register(token).deliver
+      Mailer.run.register(token)
 
     else
       yield if block_given?
@@ -366,7 +364,7 @@ class AccountController < ApplicationController
     token = Token.new(:user => user, :action => "register")
     if user.save and token.save
       UserStatus.create(:user_id => user.id, :changsets_count => 0, :watchers_count => 0)
-      Mailer.register(token).deliver
+      Mailer.run.register(token)
 
 
       flash[:notice] = l(:notice_account_register_done)
@@ -401,7 +399,7 @@ class AccountController < ApplicationController
     if user.save
       UserStatus.create(:user_id => user.id ,:changsets_count => 0, :watchers_count => 0)
       # Sends an email to the administrators
-      Mailer.account_activation_request(user).deliver
+      Mailer.run.account_activation_request(user)
       account_pending
     else
       yield if block_given?
diff --git a/app/controllers/applied_project_controller.rb b/app/controllers/applied_project_controller.rb
index f2c0eb056..8e70ed32c 100644
--- a/app/controllers/applied_project_controller.rb
+++ b/app/controllers/applied_project_controller.rb
@@ -13,7 +13,7 @@ class AppliedProjectController < ApplicationController
           @applieds = AppliedProject.where("user_id = ? and project_id = ?", params[:user_id],params[:project_id])
           if  @applieds.count == 0
             appliedproject = AppliedProject.create(:user_id => params[:user_id], :project_id => params[:project_id])
-            Mailer.applied_project(appliedproject).deliver
+            Mailer.run.applied_project(appliedproject)
             @status = 2
           else
             @status = 1
@@ -31,7 +31,7 @@ class AppliedProjectController < ApplicationController
     @applieds = AppliedProject.where("user_id = ? and project_id = ?", params[:user_id],params[:project_id])
     if  @applieds.count == 0
       appliedproject = AppliedProject.create(:user_id => params[:user_id], :project_id => params[:project_id])
-      Mailer.applied_project(appliedproject).deliver
+      Mailer.run.applied_project(appliedproject)
     end
 
     #redirect_to project_path(params[:project_id])
diff --git a/app/controllers/discuss_demos_controller.rb b/app/controllers/discuss_demos_controller.rb
deleted file mode 100644
index b0c9791cb..000000000
--- a/app/controllers/discuss_demos_controller.rb
+++ /dev/null
@@ -1,42 +0,0 @@
-class DiscussDemosController < ApplicationController
-  def index
-
-    @discuss_demo_list = DiscussDemo.where("body is not null").order("created_at desc").page(params[:page] || 1).per(10)
-  end
-
-  def new
-    @discuss_demo = DiscussDemo.create
-    @discuss_demo.save!
-    @discuss_demo
-  end
-
-  def create
-
-  end
-
-  def update
-    @discuss_demo = DiscussDemo.find(params[:id])
-    @discuss_demo.update_attributes(:title =>  params[:discuss_demo][:title],:body =>  params[:discuss_demo][:body])
-    redirect_to :controller=> 'discuss_demos',:action => 'show',:id => params[:id]
-  end
-
-  def delete
-
-  end
-
-  def destroy
-    asset = Kindeditor::Asset.find_by_owner_id(params[:id])
-    if !asset.nil?
-      filepath = File.join(Rails.root,"public","files","uploads",
-                           asset[:created_at].to_s.gsub("+0800","").to_datetime.strftime("%Y%m").to_s,
-                           asset[:asset].to_s)
-      File.delete(filepath) if File.exist?filepath
-    end
-    DiscussDemo.destroy(params[:id])
-    redirect_to :controller=> 'discuss_demos',:action => 'index'
-  end
-
-  def show
-    @discuss_demo = DiscussDemo.find(params[:id])
-  end
-end
diff --git a/app/controllers/documents_controller.rb b/app/controllers/documents_controller.rb
index 9bf2ee846..570726320 100644
--- a/app/controllers/documents_controller.rb
+++ b/app/controllers/documents_controller.rb
@@ -110,7 +110,7 @@ class DocumentsController < ApplicationController
     render_attachment_warning_if_needed(@document)
 
     if attachments.present? && attachments[:files].present? && Setting.notified_events.include?('document_added')
-      Mailer.attachments_added(attachments[:files]).deliver
+      Mailer.run.attachments_added(attachments[:files])
     end
     redirect_to document_url(@document)
   end
diff --git a/app/controllers/files_controller.rb b/app/controllers/files_controller.rb
index b48569f2c..1ca3e2fcf 100644
--- a/app/controllers/files_controller.rb
+++ b/app/controllers/files_controller.rb
@@ -314,7 +314,7 @@ class FilesController < ApplicationController
        render_attachment_warning_if_needed(container)
 
        if !attachments.empty? && !attachments[:files].blank? && Setting.notified_events.include?('file_added')
-         Mailer.attachments_added(attachments[:files]).deliver
+         Mailer.run.attachments_added(attachments[:files])
        end
 
        # TODO: 临时用 nyan
@@ -343,7 +343,7 @@ class FilesController < ApplicationController
        attachments = Attachment.attach_filesex(@course, params[:attachments], params[:attachment_type])
 
        if !attachments.empty? && !attachments[:files].blank? && Setting.notified_events.include?('file_added')
-         Mailer.attachments_added(attachments[:files]).deliver
+         Mailer.run.attachments_added(attachments[:files])
        end
 
        # TODO: 临时用 nyan
diff --git a/app/controllers/projects_controller.rb b/app/controllers/projects_controller.rb
index 41876e041..8ed9fcfef 100644
--- a/app/controllers/projects_controller.rb
+++ b/app/controllers/projects_controller.rb
@@ -336,7 +336,7 @@ class ProjectsController < ApplicationController
   def send_mail_to_member
     if !params[:mail].blank? && User.find_by_mail(params[:mail].to_s).nil?
       email = params[:mail]
-      Mailer.send_invite_in_project(email, @project, User.current).deliver
+      Mailer.run.send_invite_in_project(email, @project, User.current)
       @is_zhuce =false
       flash[:notice] = l(:notice_email_sent, :value => email)
     else
diff --git a/app/controllers/repositories_controller.rb b/app/controllers/repositories_controller.rb
index 6c115fc11..01e470c91 100644
--- a/app/controllers/repositories_controller.rb
+++ b/app/controllers/repositories_controller.rb
@@ -131,7 +131,7 @@ update
       @project_path=@root_path+"htdocs/"+@repository_name
       @repository_tag=params[:repository][:upassword] || params[:repository][:password]
       @repo_name=User.current.login.to_s+"_"+params[:repository][:identifier]
-      logger.info "htpasswd -mb "+@root_path+"user.passwd "+@repo_name+": "+@repository_tag
+      logger.info "htpasswd -mb "+@root_path+"htdocs/user.passwd "+@repo_name+": "+@repository_tag
       logger.info "the value of create repository"+@root_path+": "+@repository_name+": "+@project_path+": "+@repo_name
       attrs = pickup_extra_info
       if((@repository_tag!="")&&params[:repository_scm]=="Git")
@@ -147,9 +147,9 @@ update
       @repository.project = @project
       if request.post? && @repository.save
         if(params[:repository_scm]=="Git")
-          system "htpasswd -mb "+@root_path+"user.passwd "+@repo_name+" "+@repository_tag
+          system "htpasswd -mb "+@root_path+"htdocs/user.passwd "+@repo_name+" "+@repository_tag
           system "echo -e '"+@repo_name+"-write:"+
-                     " "+@repo_name+"'  >> "+@root_path+"group.passwd"
+                     " "+@repo_name+"'  >> "+@root_path+"htdocs/group.passwd"
           system "mkdir "+@root_path+"htdocs/"+User.current.login.to_s
           system "git init --bare "+@project_path
           system "mv "+@project_path+"/hooks/post-update{.sample,}"
@@ -243,8 +243,8 @@ update
     if(@repository.type=="Repository::Git")  
       logger.info "destory the repository value"+"root path"+@root_path+"repo_name"+@repo_name+
       "repository_name"+@repository_name+"user group"+@middle    
-        system "sed -i /"+@repo_name+"/{d} "+@root_path+"user.passwd"
-        system "sed -i /"+@middle+"/{d} "+@root_path+"group.passwd"
+        system "sed -i /"+@repo_name+"/{d} "+@root_path+"htdocs/user.passwd"
+        system "sed -i /"+@middle+"/{d} "+@root_path+"htdocs/group.passwd"
         system "rm -r "+@root_path+"htdocs/"+@repository_name
         # if(@sed_user&&@sed_group&&@remove)
         # else
diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 4db471ab4..a230688dc 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -553,7 +553,7 @@ class UsersController < ApplicationController
       @user.pref.save
       @user.notified_project_ids = (@user.mail_notification == 'selected' ? params[:notified_project_ids] : [])
 
-      Mailer.account_information(@user, params[:user][:password]).deliver if params[:send_information]
+      Mailer.run.account_information(@user, params[:user][:password]) if params[:send_information]
 
       respond_to do |format|
         format.html {
@@ -620,9 +620,9 @@ class UsersController < ApplicationController
       @user.notified_project_ids = (@user.mail_notification == 'selected' ? params[:notified_project_ids] : [])
 
       if was_activated
-        Mailer.account_activated(@user).deliver
+        Mailer.run.account_activated(@user)
       elsif @user.active? && params[:send_information] && !params[:user][:password].blank? && @user.auth_source_id.nil?
-        Mailer.account_information(@user, params[:user][:password]).deliver
+        Mailer.run.account_information(@user, params[:user][:password])
       end
 
       respond_to do |format|
diff --git a/app/controllers/zipdown_controller.rb b/app/controllers/zipdown_controller.rb
index 9880a6382..df354f107 100644
--- a/app/controllers/zipdown_controller.rb
+++ b/app/controllers/zipdown_controller.rb
@@ -5,7 +5,7 @@ class ZipdownController < ApplicationController
   #检查权限
   #勿删 before_filter :authorize, :only => [:assort,:download_user_homework]
   SAVE_FOLDER = "#{Rails.root}/files"
-  OUTPUT_FOLDER = "#{Rails.root}/tmp/archiveZip"
+  OUTPUT_FOLDER = "#{Rails.root}/files/archiveZip"
 
   #统一下载功能
   def download
@@ -16,9 +16,11 @@ class ZipdownController < ApplicationController
     end
   end
 
+  #一个作业下所有文件打包下载，只有admin和课程老师有权限
   def assort
     if params[:obj_class] == "Bid"
       bid = Bid.find params[:obj_id]
+      render_403 if User.current.allowed_to?(:as_teacher,bid.courses.first)
       file_count = 0
       bid.homeworks.map { |homework| file_count += homework.attachments.count}
       if file_count > 0
@@ -56,9 +58,9 @@ class ZipdownController < ApplicationController
       if homework != nil
         unless homework.attachments.empty?
           zipfile = zip_homework_by_user homework
-          send_file zipfile, :filename =>  ((homework.user.user_extensions.nil? || homework.user.user_extensions.student_id.nil?) ? "" : homework.user.user_extensions.student_id) +
+          send_file zipfile.file_path, :filename =>  ((homework.user.user_extensions.nil? || homework.user.user_extensions.student_id.nil?) ? "" : homework.user.user_extensions.student_id) +
               "_" + (homework.user.lastname.nil? ? "" : homework.user.lastname) + (homework.user.firstname.nil? ? "" : homework.user.firstname) +
-              "_" + homework.name + ".zip", :type => detect_content_type(zipfile) if(zipfile)
+              "_" + homework.name + ".zip", :type => detect_content_type(zipfile.file_path) if(zipfile)
         else
           render file: 'public/no_file_found.html'
         end
@@ -88,85 +90,116 @@ class ZipdownController < ApplicationController
   def zip_bid(bid)
     # Todo: User Access Controll
     bid_homework_path = []
+    digests = []
     bid.homeworks.each do |homeattach|
       unless homeattach.attachments.empty?
-        bid_homework_path << zip_homework_by_user(homeattach)
+        out_file = zip_homework_by_user(homeattach)
+        bid_homework_path << out_file.file_path
+        digests << out_file.file_digest
       end
     end
 
-    zips = split_pack_files(bid_homework_path, Setting.pack_attachment_max_size.to_i*1024)
-    x = 0
+    homework_id = bid.id
+    user_id = bid.author_id
 
 
-    zips.each { |o|
-      x += 1
-      file = zipping "#{Time.now.to_i}_#{bid.name}_#{x}.zip", o[:files], OUTPUT_FOLDER
-      o[:real_file] = file
-      o[:file] = File.basename(file)
-      o[:size] = (File.size(file) / 1024.0 / 1024.0).round(2)
+    out_file = find_or_pack(homework_id, user_id, digests.sort){
+      zipping("#{Time.now.to_i}_#{bid.name}.zip",
+              bid_homework_path, OUTPUT_FOLDER)
+    }
+
+
+    # zips = split_pack_files(bid_homework_path, Setting.pack_attachment_max_size.to_i*1024)
+    # x = 0
+    #
+    #
+    # zips.each { |o|
+    #   x += 1
+    #   file = zipping "#{Time.now.to_i}_#{bid.name}_#{x}.zip", o[:files], OUTPUT_FOLDER
+    #   o[:real_file] = file
+    #   o[:file] = File.basename(file)
+    #   o[:size] = (File.size(file) / 1024.0 / 1024.0).round(2)
+    # }
+
+    [{files:[out_file.file_path], count: 1, index: 1,
+      real_file: out_file.file_path,  file: File.basename(out_file.file_path),
+      size:(out_file.pack_size / 1024.0 / 1024.0).round(2)
+     }]
+  end
+
+  def zip_homework_by_user(homework_attach)
+    homeworks_attach_path = []
+    not_exist_file = []
+    # 需要将所有homework.attachments遍历加入zip
+
+
+    digests = []
+    homework_attach.attachments.each do |attach|
+      if File.exist?(attach.diskfile)
+        homeworks_attach_path << attach.diskfile
+        digests << attach.digest
+      else
+        not_exist_file << attach.filename
+        digests << 'not_exist_file'
+      end
+    end
+
+    out_file = find_or_pack(homework_attach.bid_id, homework_attach.user_id, digests.sort){
+      zipping("#{homework_attach.user.lastname}#{homework_attach.user.firstname}_#{((homework_attach.user.user_extensions.nil? || homework_attach.user.user_extensions.student_id.nil?) ? "" : homework_attach.user.user_extensions.student_id)}_#{Time.now.to_i.to_s}.zip",
+              homeworks_attach_path, OUTPUT_FOLDER, true, not_exist_file)
     }
 
   end
 
-  def zip_homework_by_user(homeattach)
-    homeworks_attach_path = []
-    not_exist_file = []
-    # 需要将所有homework.attachments遍历加入zip
-    # 并且返回zip路径
-    homeattach.attachments.each do |attach|
-      if File.exist?(attach.diskfile)
-        homeworks_attach_path << attach.diskfile
-      else
-        not_exist_file << attach.filename
-      end
+
+  def find_or_pack(homework_id, user_id, digests)
+    raise "please given a pack block" unless block_given?
+
+    out_file = ZipPack.packed?(homework_id, user_id, digests.sort)
+
+    unless out_file && out_file.file_valid?
+      file = yield
+
+      ZipPack.where(homework_id: homework_id,
+                    user_id: user_id).delete_all
+
+      out_file = ZipPack.create(homework_id: homework_id,
+                                user_id: user_id,
+                                file_digest: Trustie::Utils.digest(file),
+                                file_path: file,
+                                pack_size: File.size(file),
+                                file_digests: digests.join(',')
+      )
+    else
+      out_file.pack_times = out_file.pack_times + 1
+      out_file.save
     end
-    zipping("#{homeattach.user.lastname}#{homeattach.user.firstname}_#{((homeattach.user.user_extensions.nil? || homeattach.user.user_extensions.student_id.nil?) ? "" : homeattach.user.user_extensions.student_id)}_#{Time.now.to_i.to_s}.zip", homeworks_attach_path, OUTPUT_FOLDER, true, not_exist_file)
+
+    out_file
   end
 
 
   def zipping(zip_name_refer, files_paths, output_path, is_attachment=false, not_exist_file=[])
-    # 输入待打包的文件列表，已经打包文件定位到ouput_path
-    ic = Iconv.new('GBK//IGNORE', 'UTF-8//IGNORE')
-
     rename_zipfile = zip_name_refer ||= "#{Time.now.to_i.to_s}.zip"
     zipfile_name = "#{output_path}/#{rename_zipfile}"
 
     Dir.mkdir(File.dirname(zipfile_name)) unless File.exist?(File.dirname(zipfile_name))
-
-    unless is_attachment
-      #都是zip合并，没必要再费力压缩了
-      Zip.default_compression = Zlib::NO_COMPRESSION
-    else
-      Zip.default_compression = Zlib::DEFAULT_COMPRESSION
-    end
-
     Zip::File.open(zipfile_name, Zip::File::CREATE) do |zipfile|
       files_paths.each do |filename|
-        flag = true
-        index = 1
-        rename_file = ic.iconv( (File.basename(filename)) ).to_s
-        rename_file = ic.iconv( filename_to_real( File.basename(filename))).to_s if is_attachment
-
+        rename_file = File.basename(filename)
+        rename_file = filename_to_real( File.basename(filename)) if is_attachment
         begin
           zipfile.add(rename_file, filename)
-          flag = false
         rescue Exception => e
-          zipfile.get_output_stream('FILE_NOTICE.txt') do |os|
-            os.write l(:label_file_exist)
-          end
+          zipfile.get_output_stream('FILE_NOTICE.txt'){|os| os.write l(:label_file_exist)}
           next
         end
       end
       unless not_exist_file.empty?
-        zipfile.get_output_stream('FILE_LOST.txt') do |os|
-          os.write l(:label_file_lost) + not_exist_file.join(',').to_s
-        end
+        zipfile.get_output_stream('FILE_LOST.txt'){|os| os.write l(:label_file_lost) + not_exist_file.join(',').to_s}
       end
     end
     zipfile_name
-  #rescue Errno => e
-  #  logger.error "[zipdown#zipping] ===> #{e}"
-  #  @error = e
   end
 
   # 合理分配文件打包
diff --git a/app/helpers/account_helper.rb b/app/helpers/account_helper.rb
index 8ef2d6095..445a1670e 100644
--- a/app/helpers/account_helper.rb
+++ b/app/helpers/account_helper.rb
@@ -23,7 +23,7 @@ module AccountHelper
     token = Token.new(:user => user, :action => "register")
     if user.save and token.save
       UserStatus.create(:user_id => user.id, :changsets_count => 0, :watchers_count => 0)
-      Mailer.register(token).deliver
+      Mailer.run.register(token)
       #flash[:notice] = l(:notice_account_register_done)
       #render action: 'email_valid', locals: {:mail => user.mail}
     else
@@ -51,7 +51,7 @@ module AccountHelper
     if user.save
       UserStatus.create(:user_id => user.id ,:changsets_count => 0, :watchers_count => 0)
       # Sends an email to the administrators
-      Mailer.account_activation_request(user).deliver
+      Mailer.run.account_activation_request(user)
       #account_pending
     else
       yield if block_given?
diff --git a/app/helpers/owner_type_helper.rb b/app/helpers/owner_type_helper.rb
new file mode 100644
index 000000000..98f273bee
--- /dev/null
+++ b/app/helpers/owner_type_helper.rb
@@ -0,0 +1,9 @@
+module OwnerTypeHelper
+  MEMO = 1
+  FORUM = 2
+  MESSAGE = 3
+  NEWS = 4
+  COMMENT = 5
+  BID = 6
+  JOURNALSFORMESSAGE = 7
+end
\ No newline at end of file
diff --git a/app/models/comment.rb b/app/models/comment.rb
index 880bf448c..bdb642d3c 100644
--- a/app/models/comment.rb
+++ b/app/models/comment.rb
@@ -23,6 +23,13 @@ class Comment < ActiveRecord::Base
   belongs_to :author, :class_name => 'User', :foreign_key => 'author_id'
   validates_presence_of :commented, :author, :comments
   safe_attributes 'comments'
+  after_create :send_mail
+
+  def send_mail
+    if self.commented.is_a?(News) && Setting.notified_events.include?('news_comment_added')
+      Mailer.run.news_comment_added(self)
+    end
+  end
   after_destroy :delete_kindeditor_assets
 
   # Time 2015-03-31 09:15:06
diff --git a/app/models/comment_observer.rb b/app/models/comment_observer.rb
deleted file mode 100644
index a46e53ab9..000000000
--- a/app/models/comment_observer.rb
+++ /dev/null
@@ -1,27 +0,0 @@
-# Redmine - project management software
-# Copyright (C) 2006-2013  Jean-Philippe Lang
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-
-class CommentObserver < ActiveRecord::Observer
-  def after_create(comment)
-    if comment.commented.is_a?(News) && Setting.notified_events.include?('news_comment_added')
-      ##by senluo
-      thread3=Thread.new do
-        Mailer.news_comment_added(comment).deliver
-      end
-    end
-  end
-end
diff --git a/app/models/discuss_demo.rb b/app/models/discuss_demo.rb
deleted file mode 100644
index 6ed8d15b6..000000000
--- a/app/models/discuss_demo.rb
+++ /dev/null
@@ -1,4 +0,0 @@
-class DiscussDemo < ActiveRecord::Base
-   attr_accessible :title, :body
-   has_many_kindeditor_assets :assets, :dependent => :destroy
-end
diff --git a/app/models/document.rb b/app/models/document.rb
index 33ffdaa2f..c8e5f8a24 100644
--- a/app/models/document.rb
+++ b/app/models/document.rb
@@ -24,6 +24,7 @@ class Document < ActiveRecord::Base
   after_save :be_user_score # user_score
   after_destroy :down_user_score
   acts_as_attachable :delete_permission => :delete_documents
+  after_create :send_mail
   # 被ForgeActivity虚拟关联
   has_many :forge_acts, :class_name => 'ForgeActivity',:as =>:forge_act ,:dependent => :destroy
   # end
@@ -87,4 +88,8 @@ class Document < ActiveRecord::Base
                                          :project_id => self.project_id)
   end
 
+  def send_mail
+    Mailer.run.document_added(self) if Setting.notified_events.include?('document_added')
+  end
+
 end
diff --git a/app/models/document_observer.rb b/app/models/document_observer.rb
deleted file mode 100644
index 447952c70..000000000
--- a/app/models/document_observer.rb
+++ /dev/null
@@ -1,25 +0,0 @@
-# Redmine - project management software
-# Copyright (C) 2006-2013  Jean-Philippe Lang
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-
-class DocumentObserver < ActiveRecord::Observer
-  def after_create(document)
-         ##by senluo
-    thread2=Thread.new do
-      Mailer.document_added(document).deliver if Setting.notified_events.include?('document_added')
-    end
-  end
-end
diff --git a/app/models/forum.rb b/app/models/forum.rb
index 52417f25e..6db069a09 100644
--- a/app/models/forum.rb
+++ b/app/models/forum.rb
@@ -20,7 +20,7 @@ class Forum < ActiveRecord::Base
   after_destroy :delete_kindeditor_assets
   acts_as_taggable
   scope :by_join_date, order("created_at DESC")
-  #after_create :send_email
+  after_create :send_mail
   def reset_counters!
     self.class.reset_counters!(id)
   end
@@ -35,10 +35,9 @@ class Forum < ActiveRecord::Base
     self.creator == user || user.admin?
   end
 
-  def send_email
-    Thread.start do
-      Mailer.forum_add(self).deliver if Setting.notified_events.include?('forum_add')
-    end
+  def send_mail
+    logger.debug "send mail for forum add."
+      Mailer.run.forum_add(self) if Setting.notified_events.include?('forum_add')
   end
   # Updates topic_count, memo_count and last_memo_id attributes for +board_id+
   def self.reset_counters!(forum_id)
diff --git a/app/models/forum_observer.rb b/app/models/forum_observer.rb
deleted file mode 100644
index 6afcac824..000000000
--- a/app/models/forum_observer.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-class ForumObserver < ActiveRecord::Observer
-  # def after_create(forum)
-  #   Thread.start do
-  #     Mailer.forum_add(forum).deliver if Setting.notified_events.include?('forum_add')
-  #   end
-  #
-  # end
-end
diff --git a/app/models/issue_observer.rb b/app/models/issue_observer.rb
index e404a4a1c..51f64c783 100644
--- a/app/models/issue_observer.rb
+++ b/app/models/issue_observer.rb
@@ -18,13 +18,11 @@
 class IssueObserver < ActiveRecord::Observer
  
   def after_create(issue)
-    Thread.start do
       # 将跟踪者与本项目的其他成员都设为收件方，并去重，不在进行抄送，
       recipients = issue.recipients - issue.watcher_recipients + issue.watcher_recipients
       recipients.each do |rec|
-        Mailer.issue_add(issue,rec).deliver if Setting.notified_events.include?('issue_added')
+        Mailer.run.issue_add(issue,rec) if Setting.notified_events.include?('issue_added')
       end
-    end
 
   end
 end
diff --git a/app/models/journal_observer.rb b/app/models/journal_observer.rb
index b58464a9b..1fca58f37 100644
--- a/app/models/journal_observer.rb
+++ b/app/models/journal_observer.rb
@@ -23,14 +23,12 @@ class JournalObserver < ActiveRecord::Observer
         (Setting.notified_events.include?('issue_status_updated') && journal.new_status.present?) ||
         (Setting.notified_events.include?('issue_priority_updated') && journal.new_value_for('priority_id').present?)
         )
-      Thread.start do
         # 将跟踪者与本项目的其他成员都设为收件方，并去重，不在进行抄送，
         recipients = journal.recipients - journal.watcher_recipients + journal.watcher_recipients
         recipients.each do |rec|
 
-          Mailer.issue_edit(journal,rec).deliver
+          Mailer.run.issue_edit(journal,rec)
         end
-      end
     end
   end
 end
diff --git a/app/models/journals_for_message_observer.rb b/app/models/journals_for_message_observer.rb
index 0e5f29d03..ee8e28b86 100644
--- a/app/models/journals_for_message_observer.rb
+++ b/app/models/journals_for_message_observer.rb
@@ -1,9 +1,7 @@
 # Added by young
 class JournalsForMessageObserver < ActiveRecord::Observer
 	def after_create(journals_for_message)
-    thread1 = Thread.start do
-			Mailer.journals_for_message_add(User.current, journals_for_message).deliver
-    end
+			Mailer.run.journals_for_message_add(User.current, journals_for_message)
 	end
 end
 
diff --git a/app/models/mail_handler.rb b/app/models/mail_handler.rb
index 8421fb67d..da1af66a8 100644
--- a/app/models/mail_handler.rb
+++ b/app/models/mail_handler.rb
@@ -101,7 +101,7 @@ class MailHandler < ActionMailer::Base
           end
           add_user_to_group(@@handler_options[:default_group])
           unless @@handler_options[:no_account_notice]
-            Mailer.account_information(@user, @user.password).deliver
+            Mailer.run.account_information(@user, @user.password)
           end
         else
           if logger && logger.error
diff --git a/app/models/mailer.rb b/app/models/mailer.rb
index e1c538fd0..df23813cd 100644
--- a/app/models/mailer.rb
+++ b/app/models/mailer.rb
@@ -27,6 +27,24 @@ class Mailer < ActionMailer::Base
     { :host => Setting.host_name, :protocol => Setting.protocol }
   end
 
+
+  class MailerProxy
+    def initialize(cls)
+      @target = cls
+    end
+    def method_missing(name, *args, &block)
+      if Setting.delayjob_enabled && Object.const_defined?('Delayed')
+        @target.delay.send(name, *args, &block)
+      else
+        @target.send(name, *args, &block).deliver
+      end
+    end
+  end
+
+  def self.run
+    MailerProxy.new(self)
+  end
+
   # author: alan
   # 发送邀请未注册用户加入项目邮件
   # 功能： 在加入项目的同时自动注册用户
@@ -45,6 +63,12 @@ class Mailer < ActionMailer::Base
   def send_for_user_activities(user, date_to, days)
     date_from = date_to - days.days
 
+    subject = "[ #{user.show_name} : #{l(:label_day_mail)}]"
+    @subject = " #{user.show_name} : #{date_to}  #{l(:label_day_mail)}"
+
+    date_from = "#{date_from} 23:59:59"
+    date_to = "#{date_to} 23:59:59"
+    
     # 生成token用于直接点击登录
     @user = user
     token = Token.new(:user =>user , :action => 'autologin')
@@ -59,10 +83,11 @@ class Mailer < ActionMailer::Base
     course_ids = courses.map {|course| course.id}.join(",")
 
     # 查询user的缺陷，包括发布的，跟踪的以及被指派的缺陷
-    @issues = Issue.find_by_sql("select DISTINCT i.* from issues i, watchers w
+    sql = "select DISTINCT i.* from issues i, watchers w
                         where (i.assigned_to_id = #{user.id} or i.author_id = #{user.id}
                                 or (w.watchable_type = 'Issue' and w.watchable_id = i.id and w.user_id = #{user.id}))
-                            and (i.created_on between '#{date_from}' and '#{date_to}') order by i.created_on desc")
+                            and (i.created_on between '#{date_from}' and '#{date_to}') order by i.created_on desc"
+    @issues = Issue.find_by_sql(sql)
 
     # @bids 查询课程作业，包括老师发布的作业，以及user提交作业
     # @attachments查询课程课件更新
@@ -114,15 +139,15 @@ class Mailer < ActionMailer::Base
     @forums = Forum.find_by_sql("select  DISTINCT * from forums where creator_id = #{user.id} and (created_at between '#{date_from}' and '#{date_to}') order by created_at desc")
     @memos = Memo.find_by_sql("select DISTINCT m.* from memos m, forums f where (m.author_id = #{user.id} or (m.forum_id = f.id and f.creator_id = #{user.id}))
                            and (m.created_at between '#{date_from}' and '#{date_to}')  order by m.created_at desc")
-    if days == 1
-      subject = "[ #{user.show_name} : #{l(:label_day_mail)}]"
-      @subject = " #{user.show_name} : #{date_to - 1.days}  #{l(:label_day_mail)}"
-    else
-      subject = "[ #{user.show_name} :  #{l(:label_week_mail)}]"
-      @subject = "#{user.show_name} : #{l(:label_week_mail)}"
-    end
-    mail :to => user.mail,:subject => subject
 
+
+    has_content = [@issues,@homeworks,@course_messages,@project_messages,@course_news,@project_news,
+                   @course_journal_messages,@user_journal_messages,@forums,@memos,@attachments,@bids].any? {|o|
+                    !o.empty?
+                  }
+    binding.pry if Rails.env.development?
+    #有内容才发，没有不发
+    mail :to => user.mail,:subject => subject if has_content
   end
 
   # 公共讨论区发帖、回帖添加邮件发送信息
@@ -135,17 +160,15 @@ class Mailer < ActionMailer::Base
     @issue_author_url = url_for(user_activities_url(@author))
     recipients ||= []
     #将帖子创建者邮箱地址加入数组
-    if @forum.creator.mail_notification != 'day' && @forum.creator.mail_notification != 'week'
-      recipients << @forum.creator.mail
-    end
+    recipients << @forum.creator.mail
     #回复人邮箱地址加入数组
-    if @author.mail_notification != 'day' && @author.mail_notification != 'week'
-      recipients << @author.mail
-    end
+    recipients << @author.mail
     # cc = wiki_content.page.wiki.watcher_recipients - recipients
 
     @memo_url = url_for(forum_memo_url(@forum, (@memo.parent_id.nil? ? @memo : @memo.parent_id)))
-    mail :to => recipients,:subject => "[ #{l(:label_message_plural)} : #{memo.subject} #{l(:label_memo_create_succ)}]"
+    mail :to => recipients,
+         :subject => "[ #{l(:label_message_plural)} : #{memo.subject} #{l(:label_memo_create_succ)}]",
+         :filter => true
   end
   # Builds a Mail::Message object used to email recipients of the added journals for message.
 
@@ -180,12 +203,8 @@ class Mailer < ActionMailer::Base
     # 验证用户的收取邮件的方式
     recipients ||= []
     recipients1 ||= []
-    if @mail.mail_notification != 'week' && @mail.mail_notification != 'day'
-      recipients1 = @mail.mail
-    end
-    if journals_for_message.jour.author.mail_notification != 'week' && journals_for_message.jour.author.mail_notification != 'day'
-      recipients = journals_for_message.jour.author.mail
-    end
+    recipients1 = @mail.mail
+    recipients = journals_for_message.jour.author.mail
 
     # modify by nwb
     #如果是直接留言并且留言对象是课程
@@ -197,25 +216,24 @@ class Mailer < ActionMailer::Base
       #收件人邮箱
       @recipients ||= []
       @members.each do |teacher|
-        if teacher.user.mail_notification != 'week' && teacher.user.mail_notification != 'day'
-          @recipients << teacher.user.mail
-        end
+        @recipients << teacher.user.mail
       end
       mail :to => @recipients,
-           :subject => "#{l(:label_your_course)}#{journals_for_message.jour.name}#{l(:label_have_message)} "
+           :subject => "#{l(:label_your_course)}#{journals_for_message.jour.name}#{l(:label_have_message)} ",
+           :filter => true
     elsif journals_for_message.jour.class.to_s.to_sym == :Bid
       if !journals_for_message.jour.author.notify_about? journals_for_message
         return -1
       end
 
-      mail :to => recipients, :subject => @title
+      mail :to => recipients, :subject => @title,:filter => true
     elsif journals_for_message.jour.class.to_s.to_sym == :Contest
       if !journals_for_message.jour.author.notify_about? journals_for_message
         return -1
       end
-      mail :to => recipients, :subject => @title
+      mail :to => recipients, :subject => @title,:filter => true
     else
-      mail :to => recipients1, :subject => @title
+      mail :to => recipients1, :subject => @title,:filter => true
     end
 
 
@@ -250,9 +268,9 @@ class Mailer < ActionMailer::Base
 
 
     subject = "[#{issue.project.name} - #{issue.tracker.name} ##{issue_id}] (#{issue.status.name}) #{issue.subject}"
-    mail(:to => recipients,
-
-         :subject => subject)
+    mail :to => recipients,
+         :subject => subject,
+         :filter => true
   end
     # issue.attachments.each do |attach|
     #   attachments["#{attach.filename}"] = File.read("#{attach.disk_filename}")
@@ -298,9 +316,9 @@ class Mailer < ActionMailer::Base
     @issue = issue
     @journal = journal
    # @issue_url = url_for(:controller => 'issues', :action => 'show', :id => issue, :anchor => "change-#{journal.id}")
-    mail(:to => recipients,
-
-         :subject => s)
+    mail :to => recipients,
+         :subject => s,
+         :filter => true
   end
 
   def self.deliver_mailer(to,cc, subject)
@@ -386,7 +404,8 @@ class Mailer < ActionMailer::Base
     @issue_author_url = url_for(user_activities_url(@author))
     @document_url = url_for(:controller => 'documents', :action => 'show', :id => document)
     mail :to => document.recipients,
-      :subject => "[#{document.project.name}] #{l(:label_document_new)}: #{document.title}"
+         :subject => "[#{document.project.name}] #{l(:label_document_new)}: #{document.title}",
+         :filter => true
   end
 
   # Builds a Mail::Message object used to email recipients of a project when an attachements are added.
@@ -424,21 +443,24 @@ class Mailer < ActionMailer::Base
       @added_to = added_to
       @added_to_url = added_to_url
       mail :to => recipients,
-           :subject => "[#{container.name}] #{l(:label_attachment_new)}"
+           :subject => "[#{container.name}] #{l(:label_attachment_new)}",
+           :filter => true
     elsif  container.class.name == 'Project'
       redmine_headers 'Project' => container.id
       @attachments = attachments
       @added_to = added_to
       @added_to_url = added_to_url
       mail :to => recipients,
-           :subject => "[#{container.name}] #{l(:label_attachment_new)}"
+           :subject => "[#{container.name}] #{l(:label_attachment_new)}",
+           :filter => true
     else
       redmine_headers 'Project' => container.project.identifier
       @attachments = attachments
       @added_to = added_to
       @added_to_url = added_to_url
       mail :to => recipients,
-           :subject => "[#{container.project.name}] #{l(:label_attachment_new)}"
+           :subject => "[#{container.project.name}] #{l(:label_attachment_new)}",
+           :filter => true
     end
   end
 
@@ -457,7 +479,8 @@ class Mailer < ActionMailer::Base
       @news = news
       @news_url = url_for(:controller => 'news', :action => 'show', :id => news)
       mail :to => news.recipients,
-        :subject => "[#{news.project.name}] #{l(:label_news)}: #{news.title}"
+        :subject => "[#{news.project.name}] #{l(:label_news)}: #{news.title}",
+        :filter => true
     elsif  news.course
       redmine_headers 'Course' => news.course.id
       @author = news.author
@@ -467,7 +490,8 @@ class Mailer < ActionMailer::Base
       recipients = news.course.notified_users.select { |user| user.allowed_to?(:view_files, news.course) }.collect { |u| u.mail }
       @news_url = url_for(:controller => 'news', :action => 'show', :id => news)
       mail :to => recipients,
-           :subject => "[#{news.course.name}] #{l(:label_news)}: #{news.title}"
+           :subject => "[#{news.course.name}] #{l(:label_news)}: #{news.title}",
+           :filter => true
     end
   end
 
@@ -488,7 +512,8 @@ class Mailer < ActionMailer::Base
       @news_url = url_for(:controller => 'news', :action => 'show', :id => news)
       mail :to => news.recipients,
        :cc => news.watcher_recipients,
-       :subject => "Re: [#{news.project.name}] #{l(:label_news)}: #{news.title}"
+       :subject => "Re: [#{news.project.name}] #{l(:label_news)}: #{news.title}",
+       :filter => true
     elsif news.course
       redmine_headers 'Course' => news.course.id
       @author = comment.author
@@ -500,7 +525,8 @@ class Mailer < ActionMailer::Base
       recipients = news.course.notified_users.select { |user| user.allowed_to?(:view_files, news.course) }.collect { |u| u.mail }
 
       mail :to => recipients,
-           :subject => "[#{news.course.name}] #{l(:label_news)}: #{news.title}"
+           :subject => "[#{news.course.name}] #{l(:label_news)}: #{news.title}",
+           :filter => true
     end
   end
 
@@ -523,7 +549,8 @@ class Mailer < ActionMailer::Base
       @message_url = url_for(message.event_url)
       mail :to => recipients,
         :cc => cc,
-        :subject => "[#{message.board.project.name} - #{message.board.name} - msg#{message.root.id}] #{message.subject}"
+        :subject => "[#{message.board.project.name} - #{message.board.name} - msg#{message.root.id}] #{message.subject}",
+        :filter => true
     elsif message.course
       redmine_headers 'Course' => message.course.id,
                       'Topic-Id' => (message.parent_id || message.id)
@@ -537,7 +564,8 @@ class Mailer < ActionMailer::Base
       @message_url = url_for(message.event_url)
       mail :to => recipients,
            :cc => cc,
-           :subject => "[#{message.board.course.name} - #{message.board.name} - msg#{message.root.id}] #{message.subject}"
+           :subject => "[#{message.board.course.name} - #{message.board.name} - msg#{message.root.id}] #{message.subject}",
+           :filter => true
     end
   end
 
@@ -559,7 +587,8 @@ class Mailer < ActionMailer::Base
                                       :id => wiki_content.page.title)
     mail :to => recipients,
       :cc => cc,
-      :subject => "[#{wiki_content.project.name}] #{l(:mail_subject_wiki_content_added, :id => wiki_content.page.pretty_title)}"
+      :subject => "[#{wiki_content.project.name}] #{l(:mail_subject_wiki_content_added, :id => wiki_content.page.pretty_title)}",
+      :filter => true
   end
 
   # Builds a Mail::Message object used to email the recipients of a project of the specified wiki content was updated.
@@ -583,7 +612,8 @@ class Mailer < ActionMailer::Base
                                    :version => wiki_content.version)
     mail :to => recipients,
       :cc => cc,
-      :subject => "[#{wiki_content.project.name}] #{l(:mail_subject_wiki_content_updated, :id => wiki_content.page.pretty_title)}"
+      :subject => "[#{wiki_content.project.name}] #{l(:mail_subject_wiki_content_updated, :id => wiki_content.page.pretty_title)}",
+      :filter => true
   end
 
   # Builds a Mail::Message object used to email the specified user their account information.
@@ -734,6 +764,25 @@ class Mailer < ActionMailer::Base
     ActionMailer::Base.delivery_method = saved_method
   end
 
+  #过滤掉不是不合规则的收件人
+  def filter(reps)
+    r_reps = []
+    if reps.is_a? Array
+      reps.each do |r|
+        u = User.find_by_mail(r)
+        if u && u.mail_notification == 'all'
+          r_reps << r
+        end
+      end
+    elsif reps.is_a? String
+      u = User.find_by_mail(r)
+      if u && u.mail_notification == 'all'
+        r_reps << r
+      end
+    end
+    r_reps
+  end
+
   def mail(headers={})
     headers.merge! 'X-Mailer' => 'Redmine',
             'X-Redmine-Host' => Setting.host_name,
@@ -750,6 +799,11 @@ class Mailer < ActionMailer::Base
       headers[:cc].delete(@author.mail) if headers[:cc].is_a?(Array)
     end
 
+    if headers[:filter]
+      headers[:to] = filter(headers[:to])
+      headers[:cc] = filter(headers[:cc])
+    end
+
     if @author && @author.logged?
       redmine_headers 'Sender' => @author.login
     end
diff --git a/app/models/memo.rb b/app/models/memo.rb
index 182ea314e..191d4f978 100644
--- a/app/models/memo.rb
+++ b/app/models/memo.rb
@@ -44,7 +44,7 @@ class Memo < ActiveRecord::Base
 					"parent_id",
 					"replies_count"
 
-	after_create :add_author_as_watcher, :reset_counters!, :sendmail
+	after_create :add_author_as_watcher, :reset_counters!, :send_mail
 	# after_update :update_memos_forum
 	after_destroy :reset_counters!,:delete_kindeditor_assets#,:down_user_score  -- 公共区发帖暂不计入得分
 	# after_create :send_notification
@@ -55,10 +55,8 @@ class Memo < ActiveRecord::Base
 	# 	includes(:forum => ).where()
 	# }
 
-  def sendmail
-    thread1=Thread.new do
-      Mailer.forum_message_added(self).deliver if Setting.notified_events.include?('forum_message_added')
-    end
+  def send_mail
+      Mailer.run.forum_message_added(self) if Setting.notified_events.include?('forum_message_added')
   end
 
 	def cannot_reply_to_locked_topic
@@ -115,7 +113,7 @@ class Memo < ActiveRecord::Base
 
 	def send_notification
 		if Setting.notified_events.include?('message_posted')
-			Mailer.message_posted(self).deliver
+			Mailer.run.message_posted(self)
 		end
 	end
 
diff --git a/app/models/memo_observer.rb b/app/models/memo_observer.rb
deleted file mode 100644
index 66cabe923..000000000
--- a/app/models/memo_observer.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-class MemoObserver < ActiveRecord::Observer
-  def after_create(memo)
-
-    thread1=Thread.new do
-      Mailer.forum_message_added(memo).deliver if Setting.notified_events.include?('forum_message_added')
-    end
-  end
-end
diff --git a/app/models/message.rb b/app/models/message.rb
index dd1dcf92e..669495b45 100644
--- a/app/models/message.rb
+++ b/app/models/message.rb
@@ -66,10 +66,8 @@ class Message < ActiveRecord::Base
   after_update :update_messages_board
   after_destroy :reset_counters!,:down_user_score,:delete_kindeditor_assets
   
-  # fq
-  after_create :act_as_activity,:be_user_score,:act_as_forge_activity
+  after_create :act_as_activity,:be_user_score,:act_as_forge_activity, :send_mail
   #before_save :be_user_score
-  # end
 
   scope :visible, lambda {|*args|
     includes(:board => :project).where(Project.allowed_to_condition(args.shift || User.current, :view_messages, *args))
@@ -210,6 +208,10 @@ class Message < ActiveRecord::Base
     end
   end
 
+  def send_mail
+    Mailer.run.message_posted(self) if Setting.notified_events.include?('message_posted')
+  end
+
   # Time 2015-03-31 09:15:06
   # Author lizanle
   # Description 删除对应消息的图片资源
diff --git a/app/models/message_observer.rb b/app/models/message_observer.rb
deleted file mode 100644
index 383301664..000000000
--- a/app/models/message_observer.rb
+++ /dev/null
@@ -1,25 +0,0 @@
-# Redmine - project management software
-# Copyright (C) 2006-2013  Jean-Philippe Lang
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-
-class MessageObserver < ActiveRecord::Observer
-  def after_create(message)
-         ##by senluo
-    thread5=Thread.new do
-      Mailer.message_posted(message).deliver if Setting.notified_events.include?('message_posted')
-    end
-  end
-end
diff --git a/app/models/news.rb b/app/models/news.rb
index 116353cf7..de3ad35b0 100644
--- a/app/models/news.rb
+++ b/app/models/news.rb
@@ -47,12 +47,10 @@ class News < ActiveRecord::Base
                             :author_key => :author_id
   acts_as_watchable
 
-  after_create :add_author_as_watcher
-  # fq
-  after_create :act_as_activity,:act_as_forge_activity
-  # end
+  after_create :act_as_activity,:act_as_forge_activity,:add_author_as_watcher, :send_mail
+
   after_destroy :delete_kindeditor_assets
-  
+
   scope :visible, lambda {|*args|
     includes(:project).where(Project.allowed_to_condition(args.shift || User.current, :view_news, *args))
   }
@@ -115,4 +113,8 @@ class News < ActiveRecord::Base
     delete_kindeditor_assets_from_disk self.id,OwnerTypeHelper::NEWS
   end
 
+  def send_mail
+    Mailer.run.news_added(self) if Setting.notified_events.include?('news_added')
+  end
+
 end
diff --git a/app/models/news_observer.rb b/app/models/news_observer.rb
deleted file mode 100644
index 8b9bc7b4b..000000000
--- a/app/models/news_observer.rb
+++ /dev/null
@@ -1,25 +0,0 @@
-# Redmine - project management software
-# Copyright (C) 2006-2013  Jean-Philippe Lang
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-
-class NewsObserver < ActiveRecord::Observer
-  def after_create(news)
-         ##by senluo
-    thread6=Thread.new do
-      Mailer.news_added(news).deliver if Setting.notified_events.include?('news_added')
-    end
-  end
-end
diff --git a/app/models/relative_memo.rb b/app/models/relative_memo.rb
index f087fce2b..181aa89f6 100644
--- a/app/models/relative_memo.rb
+++ b/app/models/relative_memo.rb
@@ -159,7 +159,7 @@ class RelativeMemo < ActiveRecord::Base
 
   def send_notification
     if Setting.notified_events.include?('message_posted')
-      Mailer.message_posted(self).deliver
+      Mailer.run.message_posted(self)
     end
   end
 
diff --git a/app/models/user.rb b/app/models/user.rb
index 9abe80779..35c29cbcc 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -64,9 +64,10 @@ class User < Principal
       },
   }
 
+  #每日一报、一事一报、不报
   MAIL_NOTIFICATION_OPTIONS = [
     ['all', :label_user_mail_option_all],
-    ['week', :label_user_mail_option_week],
+    #['week', :label_user_mail_option_week],
     ['day', :label_user_mail_option_day],
     ['none', :label_user_mail_option_none]
   ]
diff --git a/app/models/wiki_content_observer.rb b/app/models/wiki_content_observer.rb
index 187c02288..6e13d1a8a 100644
--- a/app/models/wiki_content_observer.rb
+++ b/app/models/wiki_content_observer.rb
@@ -17,18 +17,12 @@
 
 class WikiContentObserver < ActiveRecord::Observer
   def after_create(wiki_content)
-         ##by senluo
-    thread7=Thread.new do
-      Mailer.wiki_content_added(wiki_content).deliver if Setting.notified_events.include?('wiki_content_added')
-    end
+      Mailer.run.wiki_content_added(wiki_content) if Setting.notified_events.include?('wiki_content_added')
   end
 
   def after_update(wiki_content)
     if wiki_content.text_changed?
-           ##by senluo
-      thread8=Thread.new do
-        Mailer.wiki_content_updated(wiki_content).deliver if Setting.notified_events.include?('wiki_content_updated')
-      end 
+        Mailer.run.wiki_content_updated(wiki_content) if Setting.notified_events.include?('wiki_content_updated')
     end
   end
 end
diff --git a/app/models/zip_pack.rb b/app/models/zip_pack.rb
new file mode 100644
index 000000000..e2d03f363
--- /dev/null
+++ b/app/models/zip_pack.rb
@@ -0,0 +1,18 @@
+class ZipPack < ActiveRecord::Base
+  # attr_accessible :title, :body
+
+  def self.packed?(bid_id, user_id, digests)
+    zip_pack = ZipPack.where(homework_id: bid_id, user_id: user_id).first
+    return false unless zip_pack && zip_pack.digests ==  digests
+    zip_pack
+  end
+
+  def file_valid?
+    return false unless File.exist?(self.file_path)
+    Trustie::Utils.digest(self.file_path) == self.file_digest
+  end
+
+  def digests
+    self.file_digests.split(',').sort
+  end
+end
diff --git a/app/services/users_service.rb b/app/services/users_service.rb
index 39ca37d26..80aa34d45 100644
--- a/app/services/users_service.rb
+++ b/app/services/users_service.rb
@@ -95,9 +95,7 @@ class UsersService
     # create a new token for password recovery
     token = Token.new(:user => user, :action => "recovery")
     if token.save
-      Thread.new do
-        Mailer.lost_password(token).deliver
-      end
+      Mailer.run.lost_password(token)
       return l(:notice_account_lost_email_sent,:locale => user.language)
     end
   end
diff --git a/app/views/bids/_homework_list.html.erb b/app/views/bids/_homework_list.html.erb
index a59997a62..577cd280f 100644
--- a/app/views/bids/_homework_list.html.erb
+++ b/app/views/bids/_homework_list.html.erb
@@ -22,8 +22,8 @@
           <%= link_to "留言", get_homework_jours_homework_attach_index_path(:bid_id => @bid.id), {:remote => true}%>
           (<span id="jours_count" class="c_red f_12"><%= @jours_count %></span>)
         </li>
-        <li>
-           <%#= link_to "作品打包下载", zipdown_assort_path(obj_class: @bid.class, obj_id: @bid), class: "tb_all"  unless @bid.homeworks.empty? %>
+        <li><%= link_to "作品打包下载", zipdown_assort_path(obj_class: @bid.class, obj_id: @bid, format: :json),
+                        remote: true, class: "tb_all"  unless @bid.homeworks.empty? %>
         </li>
       </ul>
   <% else %>
diff --git a/app/views/discuss_demos/index.html.erb b/app/views/discuss_demos/index.html.erb
deleted file mode 100644
index b24937357..000000000
--- a/app/views/discuss_demos/index.html.erb
+++ /dev/null
@@ -1,25 +0,0 @@
-<h1 style="">文章列表</h1>
-<div>
-  <table border="1px solid !important" >
-    <% @discuss_demo_list.each do |e| %>
-
-     <tr align="left" height="20">
-       <td width="30%" ><%= truncate(e.title,:length => 50) %></td>
-       <td align="center" width="60%">
-        <%=  truncate(e.body,:length => 50) %> &nbsp;
-       </td>
-       <td style=" margin-right: 1"  width="10%">
-         <%= link_to '查看文章',{:controller => 'discuss_demos',:action => 'show',:id=>e.id} %>
-         </td>
-       <td>
-         &nbsp;&nbsp;
-         <%= link_to '删除文章',discuss_demo_path(e.id), :method => :delete,:confirm => l(:text_are_you_sure) %>
-       </td>
-     </tr>
-        <tr height="20"></tr>
-        <tr height="20"></tr>
-    <% end %>
-  </table>
-    <% paginate @discuss_demo_list %>
-    <%= link_to '新建文章',new_discuss_demo_path %>
-</div>
\ No newline at end of file
diff --git a/app/views/discuss_demos/new.html.erb b/app/views/discuss_demos/new.html.erb
deleted file mode 100644
index 8cf1630e2..000000000
--- a/app/views/discuss_demos/new.html.erb
+++ /dev/null
@@ -1,7 +0,0 @@
-<%= javascript_include_tag src='/assets/kindeditor/kindeditor' %>
-<h1>新建文章</h1>
-<%= form_for @discuss_demo,:url => {:controller => 'discuss_demos',:action => "show",:id =>@discuss_demo.id, :method => :put} do |f| %>
-    <%= f.text_field :title %>
-    <%= f.kindeditor :body ,:owner_id => @discuss_demo.id%>
-    <%= f.submit :value=> '提交' %>
-<% end %>
\ No newline at end of file
diff --git a/app/views/discuss_demos/show.html.erb b/app/views/discuss_demos/show.html.erb
deleted file mode 100644
index 4b6bd3cee..000000000
--- a/app/views/discuss_demos/show.html.erb
+++ /dev/null
@@ -1,3 +0,0 @@
-<h1><%= @discuss_demo.title %></h1>
-<%= textAreailizable @discuss_demo.body %>
-<%=link_to "返回首页",discuss_demos_path %>
\ No newline at end of file
diff --git a/app/views/homework_attach/_homework.html.erb b/app/views/homework_attach/_homework.html.erb
index 2b5c48cd4..fca25e8ee 100644
--- a/app/views/homework_attach/_homework.html.erb
+++ b/app/views/homework_attach/_homework.html.erb
@@ -26,7 +26,7 @@
   </span>
 </li>
 <li class="wdown">
-  <%#= link_to "(#{homework.attachments.count.to_s}个附件)", "javascript:"%>
+  <%= link_to "(#{homework.attachments.count.to_s}个附件)", zipdown_download_user_homework_path(:homework => homework)%>
 </li>
 <li class="wscore">
   <% unless is_student_batch_homework %>
diff --git a/app/views/mailer/send_for_user_activities.html.erb b/app/views/mailer/send_for_user_activities.html.erb
index 1735bd899..d5c4212cd 100644
--- a/app/views/mailer/send_for_user_activities.html.erb
+++ b/app/views/mailer/send_for_user_activities.html.erb
@@ -90,7 +90,7 @@
                         :class => 'wmail_info',
                         :style => "color:#5a5a5a; float:left;   margin-right:5px; display:block;color:#1b55a7;overflow:hidden; white-space: nowrap; text-overflow:ellipsis;"
             %>
-            <span class="wmail_date" style="color:#6e6e6e; float:right;display:block; margin-left:10px;"><%= format_time(homework.created_on) %></span>
+            <span class="wmail_date" style="color:#6e6e6e; float:right;display:block; margin-left:10px;"><%= format_time(homework.created_at) %></span>
           </li>
       <% end %>
       <% end %>
diff --git a/config/application.rb b/config/application.rb
index 3b36d7cb7..05160d03e 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -37,8 +37,7 @@ module RedmineApp
     # config.plugins = [ :exception_notification, :ssl_requirement, :all ]
 
     # Activate observers that should always be running.
-    config.active_record.observers = :journals_for_message_observer, :message_observer, :issue_observer, :journal_observer, :news_observer,
-        :document_observer, :wiki_content_observer, :comment_observer, :forum_observer, :memo_observer
+    config.active_record.observers = :journals_for_message_observer, :issue_observer, :journal_observer, :wiki_content_observer
 
     config.active_record.store_full_sti_class = true
     config.active_record.default_timezone = :local
diff --git a/config/configuration.yml b/config/configuration.yml
index f17881485..adfaea456 100644
--- a/config/configuration.yml
+++ b/config/configuration.yml
@@ -84,9 +84,6 @@ default:
   email_delivery:
     delivery_method: :smtp
     smtp_settings:
-      
-   
-
       address: smtp.126.com
       port: 25
       domain: smtp.126.com
diff --git a/config/initializers/30-redmine.rb b/config/initializers/30-redmine.rb
index 1018ca18c..769039f4b 100644
--- a/config/initializers/30-redmine.rb
+++ b/config/initializers/30-redmine.rb
@@ -2,6 +2,7 @@ I18n.default_locale = 'en'
 I18n.backend = Redmine::I18n::Backend.new
 
 require 'redmine'
+require 'trustie'
 
 # Load the secret token from the Redmine configuration file
 secret = Redmine::Configuration['secret_token']
diff --git a/config/initializers/send_mail.rb b/config/initializers/send_mail.rb
index 86b3a53fd..4dda7d0c9 100644
--- a/config/initializers/send_mail.rb
+++ b/config/initializers/send_mail.rb
@@ -1,27 +1,15 @@
-#!/usr/bin/env ruby
+#coding=utf-8
 
-require 'rubygems'
-require 'rufus-scheduler'
 
-#users = User.where("mail_notification = 'week' or mail_notification = 'day'")
-
-scheduler = Rufus::Scheduler.new
-scheduler.cron('0 0 * * 1') do
-  users = User.where("mail_notification = 'week'")
-  users.each do |user|
-  #Rails.logger.info "send mail to #{user.show_name}(#{user.mail}) at #{Time.now}"
-    Thread.start do
-      Mailer.send_for_user_activities(user, Date.today, 7).deliver
-    end
-  end
-end
-scheduler.cron('0 0 * * *') do
-  users = User.where("mail_notification = 'day'")
-  users.each do |user|
-    #Rails.logger.info "send mail to #{user.show_name}(#{user.mail}) at #{Time.now}"
-    Thread.start do
-      Mailer.send_for_user_activities(user, Date.today, 1).deliver
-    end
-  end
-end
+## 移入crontab
 
+# scheduler = Rufus::Scheduler.new
+#
+# #每天18:00发送当天的邮件汇总
+# scheduler.cron('0 18 * * *') do
+#   users = User.where(mail_notification: 'day')
+#   users.each do |user|
+#     mailer = Mailer.send_for_user_activities(user, Date.today, 1)
+#     mailer.deliver if mailer
+#   end
+# end
diff --git a/config/locales/zh.yml b/config/locales/zh.yml
index fed474590..17c445ae8 100644
--- a/config/locales/zh.yml
+++ b/config/locales/zh.yml
@@ -80,7 +80,7 @@ zh:
   field_enterprise_name: 组织
 
   label_week_mail: 一周动态
-  label_day_mail: 一日动态
+  label_day_mail: 今日动态
   #added by huang
   field_tea_name: 教师
   field_couurse_time: 学时
@@ -2030,5 +2030,5 @@ zh:
   label_name_not_null: 名称不能为空
   modal_valid_unpassing: 该分班已经存在
 
-
+  mail_footer: 点击修改邮件发送设置
 
diff --git a/config/routes.rb b/config/routes.rb
index 6ca3edd67..c9220769c 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -27,7 +27,6 @@
 
 RedmineApp::Application.routes.draw do
 
-  resources :discuss_demos
   #match '/discuss_demos/new',:to => 'discuss_demo#create',:via =>[:post]
   #match '/discuss_demo/show',:to => 'discuss_demo#show'
   mount Mobile::API => '/api'
@@ -102,11 +101,11 @@ RedmineApp::Application.routes.draw do
 
   mount SeemsRateable::Engine => '/rateable', :as => :rateable
 
-  # namespace :zipdown do
-  #   match 'assort'
-  #   match 'download_user_homework', :as => :download_user_homework
-  #   match 'download'
-  # end
+  namespace :zipdown do
+    match 'assort'
+    match 'download_user_homework', :as => :download_user_homework
+    match 'download'
+  end
   namespace :test do
     match 'courselist'
     match 'zip'
diff --git a/config/settings.yml b/config/settings.yml
index 56cb8ac6c..cd3f2974e 100644
--- a/config/settings.yml
+++ b/config/settings.yml
@@ -60,6 +60,11 @@ per_page_options:
   default: '25,50,100'
 mail_from:
   default: trustieforge@gmail.com
+
+### delayjob for send email.
+delayjob_enabled:
+  default: 1
+
 bcc_recipients:
   default: 1
 plain_text_mail:
diff --git a/db/migrate/20150328115230_chnage_mail_notification_week_to_day.rb b/db/migrate/20150328115230_chnage_mail_notification_week_to_day.rb
new file mode 100644
index 000000000..37cce673c
--- /dev/null
+++ b/db/migrate/20150328115230_chnage_mail_notification_week_to_day.rb
@@ -0,0 +1,8 @@
+class ChnageMailNotificationWeekToDay < ActiveRecord::Migration
+  def up
+    User.where(mail_notification: 'week').update_all(mail_notification: 'day')
+  end
+
+  def down
+  end
+end
diff --git a/db/migrate/20150331031554_create_delayed_jobs.rb b/db/migrate/20150331031554_create_delayed_jobs.rb
new file mode 100644
index 000000000..27fdcf6cc
--- /dev/null
+++ b/db/migrate/20150331031554_create_delayed_jobs.rb
@@ -0,0 +1,22 @@
+class CreateDelayedJobs < ActiveRecord::Migration
+  def self.up
+    create_table :delayed_jobs, force: true do |table|
+      table.integer :priority, default: 0, null: false # Allows some jobs to jump to the front of the queue
+      table.integer :attempts, default: 0, null: false # Provides for retries, but still fail eventually.
+      table.text :handler,                 null: false # YAML-encoded string of the object that will do work
+      table.text :last_error                           # reason for last failure (See Note below)
+      table.datetime :run_at                           # When to run. Could be Time.zone.now for immediately, or sometime in the future.
+      table.datetime :locked_at                        # Set when a client is working on this object
+      table.datetime :failed_at                        # Set when all retries have failed (actually, by default, the record is deleted instead)
+      table.string :locked_by                          # Who is working on this object (if locked)
+      table.string :queue                              # The name of the queue this job is in
+      table.timestamps null: true
+    end
+
+    add_index :delayed_jobs, [:priority, :run_at], name: "delayed_jobs_priority"
+  end
+
+  def self.down
+    drop_table :delayed_jobs
+  end
+end
diff --git a/db/migrate/20150331032810_add_delayjob_enabled_to_settings.rb b/db/migrate/20150331032810_add_delayjob_enabled_to_settings.rb
new file mode 100644
index 000000000..2f87ba720
--- /dev/null
+++ b/db/migrate/20150331032810_add_delayjob_enabled_to_settings.rb
@@ -0,0 +1,5 @@
+class AddDelayjobEnabledToSettings < ActiveRecord::Migration
+  def change
+    Setting.create(name: 'delayjob_enabled', value: 1 )
+  end
+end
diff --git a/db/migrate/20150402015402_create_zip_packs.rb b/db/migrate/20150402015402_create_zip_packs.rb
new file mode 100644
index 000000000..8ba268e24
--- /dev/null
+++ b/db/migrate/20150402015402_create_zip_packs.rb
@@ -0,0 +1,14 @@
+class CreateZipPacks < ActiveRecord::Migration
+  def change
+    create_table :zip_packs do |t|
+      t.integer :user_id
+      t.integer :homework_id
+      t.string  :file_digest
+      t.string  :file_path
+      t.integer :pack_times, default: 1
+      t.integer :pack_size,  default: 0
+      t.string  :file_digests
+      t.timestamps
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 295b459e6..a8ade8ed0 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -1,1438 +1,1466 @@
-# encoding: UTF-8
-# This file is auto-generated from the current state of the database. Instead
-# of editing this file, please use the migrations feature of Active Record to
-# incrementally modify your database, and then regenerate this schema definition.
-#
-# Note that this schema.rb definition is the authoritative source for your
-# database schema. If you need to create the application database on another
-# system, you should be using db:schema:load, not running all the migrations
-# from scratch. The latter is a flawed and unsustainable approach (the more migrations
-# you'll amass, the slower it'll run and the greater likelihood for issues).
-#
-# It's strongly recommended to check this file into your version control system.
-
-ActiveRecord::Schema.define(:version => 20150324021043) do
-
-  create_table "activities", :force => true do |t|
-    t.integer "act_id",   :null => false
-    t.string  "act_type", :null => false
-    t.integer "user_id",  :null => false
-  end
-
-  add_index "activities", ["act_id", "act_type"], :name => "index_activities_on_act_id_and_act_type"
-  add_index "activities", ["user_id", "act_type"], :name => "index_activities_on_user_id_and_act_type"
-  add_index "activities", ["user_id"], :name => "index_activities_on_user_id"
-
-  create_table "api_keys", :force => true do |t|
-    t.string   "access_token"
-    t.datetime "expires_at"
-    t.integer  "user_id"
-    t.boolean  "active",       :default => true
-    t.datetime "created_at",                     :null => false
-    t.datetime "updated_at",                     :null => false
-  end
-
-  add_index "api_keys", ["access_token"], :name => "index_api_keys_on_access_token"
-  add_index "api_keys", ["user_id"], :name => "index_api_keys_on_user_id"
-
-  create_table "applied_projects", :force => true do |t|
-    t.integer "project_id", :null => false
-    t.integer "user_id",    :null => false
-  end
-
-  create_table "apply_project_masters", :force => true do |t|
-    t.integer  "user_id"
-    t.string   "apply_type"
-    t.integer  "apply_id"
-    t.integer  "status"
-    t.datetime "created_at", :null => false
-    t.datetime "updated_at", :null => false
-  end
-
-  create_table "attachments", :force => true do |t|
-    t.integer  "container_id"
-    t.string   "container_type", :limit => 30
-    t.string   "filename",                     :default => "", :null => false
-    t.string   "disk_filename",                :default => "", :null => false
-    t.integer  "filesize",                     :default => 0,  :null => false
-    t.string   "content_type",                 :default => ""
-    t.string   "digest",         :limit => 40, :default => "", :null => false
-    t.integer  "downloads",                    :default => 0,  :null => false
-    t.integer  "author_id",                    :default => 0,  :null => false
-    t.datetime "created_on"
-    t.string   "description"
-    t.string   "disk_directory"
-    t.integer  "attachtype",                   :default => 1
-    t.integer  "is_public",                    :default => 1
-    t.integer  "copy_from"
-    t.integer  "quotes"
-  end
-
-  add_index "attachments", ["author_id"], :name => "index_attachments_on_author_id"
-  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", :force => true do |t|
-    t.integer "typeId",                 :null => false
-    t.string  "typeName", :limit => 50
-  end
-
-  create_table "auth_sources", :force => true do |t|
-    t.string  "type",              :limit => 30, :default => "",    :null => false
-    t.string  "name",              :limit => 60, :default => "",    :null => false
-    t.string  "host",              :limit => 60
-    t.integer "port"
-    t.string  "account"
-    t.string  "account_password",                :default => ""
-    t.string  "base_dn"
-    t.string  "attr_login",        :limit => 30
-    t.string  "attr_firstname",    :limit => 30
-    t.string  "attr_lastname",     :limit => 30
-    t.string  "attr_mail",         :limit => 30
-    t.boolean "onthefly_register",               :default => false, :null => false
-    t.boolean "tls",                             :default => false, :null => false
-    t.string  "filter"
-    t.integer "timeout"
-  end
-
-  add_index "auth_sources", ["id", "type"], :name => "index_auth_sources_on_id_and_type"
-
-  create_table "biding_projects", :force => true do |t|
-    t.integer  "project_id"
-    t.integer  "bid_id"
-    t.integer  "user_id"
-    t.string   "description"
-    t.datetime "created_at",  :null => false
-    t.datetime "updated_at",  :null => false
-    t.string   "reward"
-  end
-
-  create_table "bids", :force => true do |t|
-    t.string   "name"
-    t.string   "budget",                                    :null => false
-    t.integer  "author_id"
-    t.date     "deadline"
-    t.text     "description"
-    t.datetime "created_on",                                :null => false
-    t.datetime "updated_on",                                :null => false
-    t.integer  "commit"
-    t.integer  "reward_type"
-    t.integer  "homework_type"
-    t.integer  "parent_id"
-    t.string   "password"
-    t.integer  "is_evaluation"
-    t.integer  "proportion",                :default => 60
-    t.integer  "comment_status",            :default => 0
-    t.integer  "evaluation_num",            :default => 3
-    t.integer  "open_anonymous_evaluation", :default => 1
-  end
-
-  create_table "boards", :force => true do |t|
-    t.integer "project_id",                      :null => false
-    t.string  "name",            :default => "", :null => false
-    t.string  "description"
-    t.integer "position",        :default => 1
-    t.integer "topics_count",    :default => 0,  :null => false
-    t.integer "messages_count",  :default => 0,  :null => false
-    t.integer "last_message_id"
-    t.integer "parent_id"
-    t.integer "course_id"
-  end
-
-  add_index "boards", ["last_message_id"], :name => "index_boards_on_last_message_id"
-  add_index "boards", ["project_id"], :name => "boards_project_id"
-
-  create_table "bug_to_osps", :force => true do |t|
-    t.integer  "osp_id"
-    t.integer  "relative_memo_id"
-    t.string   "description"
-    t.datetime "created_at",       :null => false
-    t.datetime "updated_at",       :null => false
-  end
-
-  create_table "changes", :force => true do |t|
-    t.integer "changeset_id",                               :null => false
-    t.string  "action",        :limit => 1, :default => "", :null => false
-    t.text    "path",                                       :null => false
-    t.text    "from_path"
-    t.string  "from_revision"
-    t.string  "revision"
-    t.string  "branch"
-  end
-
-  add_index "changes", ["changeset_id"], :name => "changesets_changeset_id"
-
-  create_table "changeset_parents", :id => false, :force => true do |t|
-    t.integer "changeset_id", :null => false
-    t.integer "parent_id",    :null => false
-  end
-
-  add_index "changeset_parents", ["changeset_id"], :name => "changeset_parents_changeset_ids"
-  add_index "changeset_parents", ["parent_id"], :name => "changeset_parents_parent_ids"
-
-  create_table "changesets", :force => true do |t|
-    t.integer  "repository_id", :null => false
-    t.string   "revision",      :null => false
-    t.string   "committer"
-    t.datetime "committed_on",  :null => false
-    t.text     "comments"
-    t.date     "commit_date"
-    t.string   "scmid"
-    t.integer  "user_id"
-  end
-
-  add_index "changesets", ["committed_on"], :name => "index_changesets_on_committed_on"
-  add_index "changesets", ["repository_id", "revision"], :name => "changesets_repos_rev", :unique => true
-  add_index "changesets", ["repository_id", "scmid"], :name => "changesets_repos_scmid"
-  add_index "changesets", ["repository_id"], :name => "index_changesets_on_repository_id"
-  add_index "changesets", ["user_id"], :name => "index_changesets_on_user_id"
-
-  create_table "changesets_issues", :id => false, :force => true do |t|
-    t.integer "changeset_id", :null => false
-    t.integer "issue_id",     :null => false
-  end
-
-  add_index "changesets_issues", ["changeset_id", "issue_id"], :name => "changesets_issues_ids", :unique => true
-
-  create_table "code_review_assignments", :force => true do |t|
-    t.integer "issue_id"
-    t.integer "change_id"
-    t.integer "attachment_id"
-    t.string  "file_path"
-    t.string  "rev"
-    t.string  "rev_to"
-    t.string  "action_type"
-    t.integer "changeset_id"
-  end
-
-  create_table "code_review_project_settings", :force => true do |t|
-    t.integer  "project_id"
-    t.integer  "tracker_id"
-    t.datetime "created_at"
-    t.datetime "updated_at"
-    t.integer  "updated_by"
-    t.boolean  "hide_code_review_tab",     :default => false
-    t.integer  "auto_relation",            :default => 1
-    t.integer  "assignment_tracker_id"
-    t.text     "auto_assign"
-    t.integer  "lock_version",             :default => 0,     :null => false
-    t.boolean  "tracker_in_review_dialog", :default => false
-  end
-
-  create_table "code_review_user_settings", :force => true do |t|
-    t.integer  "user_id",           :default => 0, :null => false
-    t.integer  "mail_notification", :default => 0, :null => false
-    t.datetime "created_at"
-    t.datetime "updated_at"
-  end
-
-  create_table "code_reviews", :force => true do |t|
-    t.integer  "project_id"
-    t.integer  "change_id"
-    t.datetime "created_at"
-    t.datetime "updated_at"
-    t.integer  "line"
-    t.integer  "updated_by_id"
-    t.integer  "lock_version",        :default => 0, :null => false
-    t.integer  "status_changed_from"
-    t.integer  "status_changed_to"
-    t.integer  "issue_id"
-    t.string   "action_type"
-    t.string   "file_path"
-    t.string   "rev"
-    t.string   "rev_to"
-    t.integer  "attachment_id"
-    t.integer  "file_count",          :default => 0, :null => false
-    t.boolean  "diff_all"
-  end
-
-  create_table "comments", :force => true do |t|
-    t.string   "commented_type", :limit => 30, :default => "", :null => false
-    t.integer  "commented_id",                 :default => 0,  :null => false
-    t.integer  "author_id",                    :default => 0,  :null => false
-    t.text     "comments"
-    t.datetime "created_on",                                   :null => false
-    t.datetime "updated_on",                                   :null => false
-  end
-
-  add_index "comments", ["author_id"], :name => "index_comments_on_author_id"
-  add_index "comments", ["commented_id", "commented_type"], :name => "index_comments_on_commented_id_and_commented_type"
-
-  create_table "contest_notifications", :force => true do |t|
-    t.text     "title"
-    t.text     "content"
-    t.datetime "created_at", :null => false
-    t.datetime "updated_at", :null => false
-  end
-
-  create_table "contesting_projects", :force => true do |t|
-    t.integer  "project_id"
-    t.string   "contest_id"
-    t.integer  "user_id"
-    t.string   "description"
-    t.datetime "created_at",  :null => false
-    t.datetime "updated_at",  :null => false
-    t.string   "reward"
-  end
-
-  create_table "contesting_softapplications", :force => true do |t|
-    t.integer  "softapplication_id"
-    t.integer  "contest_id"
-    t.integer  "user_id"
-    t.string   "description"
-    t.datetime "created_at",         :null => false
-    t.datetime "updated_at",         :null => false
-    t.string   "reward"
-  end
-
-  create_table "contestnotifications", :force => true do |t|
-    t.integer  "contest_id"
-    t.string   "title"
-    t.string   "summary"
-    t.text     "description"
-    t.integer  "author_id"
-    t.integer  "notificationcomments_count"
-    t.datetime "created_at",                 :null => false
-    t.datetime "updated_at",                 :null => false
-  end
-
-  create_table "contests", :force => true do |t|
-    t.string   "name"
-    t.string   "budget",      :default => ""
-    t.integer  "author_id"
-    t.date     "deadline"
-    t.string   "description"
-    t.integer  "commit"
-    t.string   "password"
-    t.datetime "created_on",                  :null => false
-    t.datetime "updated_on",                  :null => false
-  end
-
-  create_table "course_attachments", :force => true do |t|
-    t.string   "filename"
-    t.string   "disk_filename"
-    t.integer  "filesize"
-    t.string   "content_type"
-    t.string   "digest"
-    t.integer  "downloads"
-    t.string   "author_id"
-    t.string   "integer"
-    t.string   "description"
-    t.string   "disk_directory"
-    t.integer  "attachtype"
-    t.integer  "is_public"
-    t.datetime "created_at",                    :null => false
-    t.datetime "updated_at",                    :null => false
-    t.integer  "container_id",   :default => 0
-  end
-
-  create_table "course_groups", :force => true do |t|
-    t.string   "name"
-    t.integer  "course_id"
-    t.datetime "created_at", :null => false
-    t.datetime "updated_at", :null => false
-  end
-
-  create_table "course_infos", :force => true do |t|
-    t.integer  "course_id"
-    t.integer  "user_id"
-    t.datetime "created_at", :null => false
-    t.datetime "updated_at", :null => false
-  end
-
-  create_table "course_statuses", :force => true do |t|
-    t.integer  "changesets_count"
-    t.integer  "watchers_count"
-    t.integer  "course_id"
-    t.float    "grade",            :default => 0.0
-    t.integer  "course_ac_para",   :default => 0
-    t.datetime "created_at",                        :null => false
-    t.datetime "updated_at",                        :null => false
-  end
-
-  create_table "courses", :force => true do |t|
-    t.integer  "tea_id"
-    t.string   "name"
-    t.integer  "state"
-    t.string   "code"
-    t.integer  "time"
-    t.string   "extra"
-    t.datetime "created_at",                                  :null => false
-    t.datetime "updated_at",                                  :null => false
-    t.string   "location"
-    t.string   "term"
-    t.string   "string"
-    t.string   "password"
-    t.string   "setup_time"
-    t.string   "endup_time"
-    t.string   "class_period"
-    t.integer  "school_id"
-    t.text     "description"
-    t.integer  "status",                       :default => 1
-    t.integer  "attachmenttype",               :default => 2
-    t.integer  "lft"
-    t.integer  "rgt"
-    t.integer  "is_public",       :limit => 1, :default => 1
-    t.integer  "inherit_members", :limit => 1, :default => 1
-    t.integer  "open_student",                 :default => 0
-  end
-
-  create_table "custom_fields", :force => true do |t|
-    t.string  "type",            :limit => 30, :default => "",    :null => false
-    t.string  "name",            :limit => 30, :default => "",    :null => false
-    t.string  "field_format",    :limit => 30, :default => "",    :null => false
-    t.text    "possible_values"
-    t.string  "regexp",                        :default => ""
-    t.integer "min_length",                    :default => 0,     :null => false
-    t.integer "max_length",                    :default => 0,     :null => false
-    t.boolean "is_required",                   :default => false, :null => false
-    t.boolean "is_for_all",                    :default => false, :null => false
-    t.boolean "is_filter",                     :default => false, :null => false
-    t.integer "position",                      :default => 1
-    t.boolean "searchable",                    :default => false
-    t.text    "default_value"
-    t.boolean "editable",                      :default => true
-    t.boolean "visible",                       :default => true,  :null => false
-    t.boolean "multiple",                      :default => false
-  end
-
-  add_index "custom_fields", ["id", "type"], :name => "index_custom_fields_on_id_and_type"
-
-  create_table "custom_fields_projects", :id => false, :force => true do |t|
-    t.integer "custom_field_id", :default => 0, :null => false
-    t.integer "project_id",      :default => 0, :null => false
-  end
-
-  add_index "custom_fields_projects", ["custom_field_id", "project_id"], :name => "index_custom_fields_projects_on_custom_field_id_and_project_id", :unique => true
-
-  create_table "custom_fields_trackers", :id => false, :force => true do |t|
-    t.integer "custom_field_id", :default => 0, :null => false
-    t.integer "tracker_id",      :default => 0, :null => false
-  end
-
-  add_index "custom_fields_trackers", ["custom_field_id", "tracker_id"], :name => "index_custom_fields_trackers_on_custom_field_id_and_tracker_id", :unique => true
-
-  create_table "custom_values", :force => true do |t|
-    t.string  "customized_type", :limit => 30, :default => "", :null => false
-    t.integer "customized_id",                 :default => 0,  :null => false
-    t.integer "custom_field_id",               :default => 0,  :null => false
-    t.text    "value"
-  end
-
-  add_index "custom_values", ["custom_field_id"], :name => "index_custom_values_on_custom_field_id"
-  add_index "custom_values", ["customized_type", "customized_id"], :name => "custom_values_customized"
-
-  create_table "discuss_demos", :force => true do |t|
-    t.string   "title"
-    t.text     "body"
-    t.datetime "created_at", :null => false
-    t.datetime "updated_at", :null => false
-  end
-
-  create_table "documents", :force => true do |t|
-    t.integer  "project_id",                :default => 0,  :null => false
-    t.integer  "category_id",               :default => 0,  :null => false
-    t.string   "title",       :limit => 60, :default => "", :null => false
-    t.text     "description"
-    t.datetime "created_on"
-    t.integer  "user_id",                   :default => 0
-    t.integer  "is_public",                 :default => 1
-  end
-
-  add_index "documents", ["category_id"], :name => "index_documents_on_category_id"
-  add_index "documents", ["created_on"], :name => "index_documents_on_created_on"
-  add_index "documents", ["project_id"], :name => "documents_project_id"
-
-  create_table "enabled_modules", :force => true do |t|
-    t.integer "project_id"
-    t.string  "name",       :null => false
-    t.integer "course_id"
-  end
-
-  add_index "enabled_modules", ["project_id"], :name => "enabled_modules_project_id"
-
-  create_table "enumerations", :force => true do |t|
-    t.string  "name",          :limit => 30, :default => "",    :null => false
-    t.integer "position",                    :default => 1
-    t.boolean "is_default",                  :default => false, :null => false
-    t.string  "type"
-    t.boolean "active",                      :default => true,  :null => false
-    t.integer "project_id"
-    t.integer "parent_id"
-    t.string  "position_name", :limit => 30
-  end
-
-  add_index "enumerations", ["id", "type"], :name => "index_enumerations_on_id_and_type"
-  add_index "enumerations", ["project_id"], :name => "index_enumerations_on_project_id"
-
-  create_table "first_pages", :force => true do |t|
-    t.string   "web_title"
-    t.string   "title"
-    t.text     "description"
-    t.string   "page_type"
-    t.datetime "created_at",                    :null => false
-    t.datetime "updated_at",                    :null => false
-    t.integer  "sort_type"
-    t.integer  "image_width",  :default => 107
-    t.integer  "image_height", :default => 63
-    t.integer  "show_course",  :default => 1
-    t.integer  "show_contest", :default => 1
-  end
-
-  create_table "forge_activities", :force => true do |t|
-    t.integer  "user_id"
-    t.integer  "project_id"
-    t.integer  "forge_act_id"
-    t.string   "forge_act_type"
-    t.integer  "org_id"
-    t.datetime "created_at",     :null => false
-    t.datetime "updated_at",     :null => false
-  end
-
-  add_index "forge_activities", ["forge_act_id"], :name => "index_forge_activities_on_forge_act_id"
-
-  create_table "forums", :force => true do |t|
-    t.string   "name",                        :null => false
-    t.text     "description"
-    t.integer  "topic_count",  :default => 0
-    t.integer  "memo_count",   :default => 0
-    t.integer  "last_memo_id", :default => 0
-    t.integer  "creator_id",                  :null => false
-    t.datetime "created_at",                  :null => false
-    t.datetime "updated_at",                  :null => false
-    t.integer  "sticky"
-    t.integer  "locked"
-  end
-
-  create_table "groups_users", :id => false, :force => true do |t|
-    t.integer "group_id", :null => false
-    t.integer "user_id",  :null => false
-  end
-
-  add_index "groups_users", ["group_id", "user_id"], :name => "groups_users_ids", :unique => true
-
-  create_table "homework_attaches", :force => true do |t|
-    t.integer  "bid_id"
-    t.integer  "user_id"
-    t.datetime "created_at",                        :null => false
-    t.datetime "updated_at",                        :null => false
-    t.string   "reward"
-    t.string   "name"
-    t.text     "description"
-    t.integer  "state"
-    t.integer  "project_id",       :default => 0
-    t.float    "score",            :default => 0.0
-    t.integer  "is_teacher_score", :default => 0
-  end
-
-  create_table "homework_evaluations", :force => true do |t|
-    t.string   "user_id"
-    t.string   "homework_attach_id"
-    t.datetime "created_at",         :null => false
-    t.datetime "updated_at",         :null => false
-  end
-
-  create_table "homework_for_courses", :force => true do |t|
-    t.integer "course_id"
-    t.integer "bid_id"
-  end
-
-  create_table "homework_users", :force => true do |t|
-    t.string   "homework_attach_id"
-    t.string   "user_id"
-    t.datetime "created_at",         :null => false
-    t.datetime "updated_at",         :null => false
-  end
-
-  create_table "issue_categories", :force => true do |t|
-    t.integer "project_id",                   :default => 0,  :null => false
-    t.string  "name",           :limit => 30, :default => "", :null => false
-    t.integer "assigned_to_id"
-  end
-
-  add_index "issue_categories", ["assigned_to_id"], :name => "index_issue_categories_on_assigned_to_id"
-  add_index "issue_categories", ["project_id"], :name => "issue_categories_project_id"
-
-  create_table "issue_relations", :force => true do |t|
-    t.integer "issue_from_id",                 :null => false
-    t.integer "issue_to_id",                   :null => false
-    t.string  "relation_type", :default => "", :null => false
-    t.integer "delay"
-  end
-
-  add_index "issue_relations", ["issue_from_id", "issue_to_id"], :name => "index_issue_relations_on_issue_from_id_and_issue_to_id", :unique => true
-  add_index "issue_relations", ["issue_from_id"], :name => "index_issue_relations_on_issue_from_id"
-  add_index "issue_relations", ["issue_to_id"], :name => "index_issue_relations_on_issue_to_id"
-
-  create_table "issue_statuses", :force => true do |t|
-    t.string  "name",               :limit => 30, :default => "",    :null => false
-    t.boolean "is_closed",                        :default => false, :null => false
-    t.boolean "is_default",                       :default => false, :null => false
-    t.integer "position",                         :default => 1
-    t.integer "default_done_ratio"
-  end
-
-  add_index "issue_statuses", ["is_closed"], :name => "index_issue_statuses_on_is_closed"
-  add_index "issue_statuses", ["is_default"], :name => "index_issue_statuses_on_is_default"
-  add_index "issue_statuses", ["position"], :name => "index_issue_statuses_on_position"
-
-  create_table "issues", :force => true do |t|
-    t.integer  "tracker_id",                              :null => false
-    t.integer  "project_id",                              :null => false
-    t.string   "subject",              :default => "",    :null => false
-    t.text     "description"
-    t.date     "due_date"
-    t.integer  "category_id"
-    t.integer  "status_id",                               :null => false
-    t.integer  "assigned_to_id"
-    t.integer  "priority_id",                             :null => false
-    t.integer  "fixed_version_id"
-    t.integer  "author_id",                               :null => false
-    t.integer  "lock_version",         :default => 0,     :null => false
-    t.datetime "created_on"
-    t.datetime "updated_on"
-    t.date     "start_date"
-    t.integer  "done_ratio",           :default => 0,     :null => false
-    t.float    "estimated_hours"
-    t.integer  "parent_id"
-    t.integer  "root_id"
-    t.integer  "lft"
-    t.integer  "rgt"
-    t.boolean  "is_private",           :default => false, :null => false
-    t.datetime "closed_on"
-    t.integer  "project_issues_index"
-  end
-
-  add_index "issues", ["assigned_to_id"], :name => "index_issues_on_assigned_to_id"
-  add_index "issues", ["author_id"], :name => "index_issues_on_author_id"
-  add_index "issues", ["category_id"], :name => "index_issues_on_category_id"
-  add_index "issues", ["created_on"], :name => "index_issues_on_created_on"
-  add_index "issues", ["fixed_version_id"], :name => "index_issues_on_fixed_version_id"
-  add_index "issues", ["priority_id"], :name => "index_issues_on_priority_id"
-  add_index "issues", ["project_id"], :name => "issues_project_id"
-  add_index "issues", ["root_id", "lft", "rgt"], :name => "index_issues_on_root_id_and_lft_and_rgt"
-  add_index "issues", ["status_id"], :name => "index_issues_on_status_id"
-  add_index "issues", ["tracker_id"], :name => "index_issues_on_tracker_id"
-
-  create_table "join_in_competitions", :force => true do |t|
-    t.integer  "user_id"
-    t.integer  "competition_id"
-    t.datetime "created_at",     :null => false
-    t.datetime "updated_at",     :null => false
-  end
-
-  create_table "join_in_contests", :force => true do |t|
-    t.integer  "user_id"
-    t.integer  "bid_id"
-    t.datetime "created_at", :null => false
-    t.datetime "updated_at", :null => false
-  end
-
-  create_table "journal_details", :force => true do |t|
-    t.integer "journal_id",               :default => 0,  :null => false
-    t.string  "property",   :limit => 30, :default => "", :null => false
-    t.string  "prop_key",   :limit => 30, :default => "", :null => false
-    t.text    "old_value"
-    t.text    "value"
-  end
-
-  add_index "journal_details", ["journal_id"], :name => "journal_details_journal_id"
-
-  create_table "journal_replies", :id => false, :force => true do |t|
-    t.integer "journal_id"
-    t.integer "user_id"
-    t.integer "reply_id"
-  end
-
-  add_index "journal_replies", ["journal_id"], :name => "index_journal_replies_on_journal_id"
-  add_index "journal_replies", ["reply_id"], :name => "index_journal_replies_on_reply_id"
-  add_index "journal_replies", ["user_id"], :name => "index_journal_replies_on_user_id"
-
-  create_table "journals", :force => true do |t|
-    t.integer  "journalized_id",                 :default => 0,     :null => false
-    t.string   "journalized_type", :limit => 30, :default => "",    :null => false
-    t.integer  "user_id",                        :default => 0,     :null => false
-    t.text     "notes"
-    t.datetime "created_on",                                        :null => false
-    t.boolean  "private_notes",                  :default => false, :null => false
-  end
-
-  add_index "journals", ["created_on"], :name => "index_journals_on_created_on"
-  add_index "journals", ["journalized_id", "journalized_type"], :name => "journals_journalized_id"
-  add_index "journals", ["journalized_id"], :name => "index_journals_on_journalized_id"
-  add_index "journals", ["user_id"], :name => "index_journals_on_user_id"
-
-  create_table "journals_for_messages", :force => true do |t|
-    t.integer  "jour_id"
-    t.string   "jour_type"
-    t.integer  "user_id"
-    t.text     "notes"
-    t.integer  "status"
-    t.integer  "reply_id"
-    t.datetime "created_on",                  :null => false
-    t.datetime "updated_on",                  :null => false
-    t.string   "m_parent_id"
-    t.boolean  "is_readed"
-    t.integer  "m_reply_count"
-    t.integer  "m_reply_id"
-    t.integer  "is_comprehensive_evaluation"
-  end
-
-  create_table "kindeditor_assets", :force => true do |t|
-    t.string   "asset"
-    t.integer  "file_size"
-    t.string   "file_type"
-    t.integer  "owner_id"
-    t.string   "asset_type"
-    t.datetime "created_at",                :null => false
-    t.datetime "updated_at",                :null => false
-    t.integer  "owner_type", :default => 0
-  end
-
-  create_table "member_roles", :force => true do |t|
-    t.integer "member_id",      :null => false
-    t.integer "role_id",        :null => false
-    t.integer "inherited_from"
-  end
-
-  add_index "member_roles", ["member_id"], :name => "index_member_roles_on_member_id"
-  add_index "member_roles", ["role_id"], :name => "index_member_roles_on_role_id"
-
-  create_table "members", :force => true do |t|
-    t.integer  "user_id",           :default => 0,     :null => false
-    t.integer  "project_id",        :default => 0
-    t.datetime "created_on"
-    t.boolean  "mail_notification", :default => false, :null => false
-    t.integer  "course_id",         :default => -1
-    t.integer  "course_group_id",   :default => 0
-  end
-
-  add_index "members", ["project_id"], :name => "index_members_on_project_id"
-  add_index "members", ["user_id", "project_id", "course_id"], :name => "index_members_on_user_id_and_project_id", :unique => true
-  add_index "members", ["user_id"], :name => "index_members_on_user_id"
-
-  create_table "memos", :force => true do |t|
-    t.integer  "forum_id",                         :null => false
-    t.integer  "parent_id"
-    t.string   "subject",                          :null => false
-    t.text     "content",                          :null => false
-    t.integer  "author_id",                        :null => false
-    t.integer  "replies_count", :default => 0
-    t.integer  "last_reply_id"
-    t.boolean  "lock",          :default => false
-    t.boolean  "sticky",        :default => false
-    t.datetime "created_at",                       :null => false
-    t.datetime "updated_at",                       :null => false
-    t.integer  "viewed_count",  :default => 0
-  end
-
-  create_table "messages", :force => true do |t|
-    t.integer  "board_id",                         :null => false
-    t.integer  "parent_id"
-    t.string   "subject",       :default => "",    :null => false
-    t.text     "content"
-    t.integer  "author_id"
-    t.integer  "replies_count", :default => 0,     :null => false
-    t.integer  "last_reply_id"
-    t.datetime "created_on",                       :null => false
-    t.datetime "updated_on",                       :null => false
-    t.boolean  "locked",        :default => false
-    t.integer  "sticky",        :default => 0
-  end
-
-  add_index "messages", ["author_id"], :name => "index_messages_on_author_id"
-  add_index "messages", ["board_id"], :name => "messages_board_id"
-  add_index "messages", ["created_on"], :name => "index_messages_on_created_on"
-  add_index "messages", ["last_reply_id"], :name => "index_messages_on_last_reply_id"
-  add_index "messages", ["parent_id"], :name => "messages_parent_id"
-
-  create_table "news", :force => true do |t|
-    t.integer  "project_id"
-    t.string   "title",          :limit => 60, :default => "", :null => false
-    t.string   "summary",                      :default => ""
-    t.text     "description"
-    t.integer  "author_id",                    :default => 0,  :null => false
-    t.datetime "created_on"
-    t.integer  "comments_count",               :default => 0,  :null => false
-    t.integer  "course_id"
-  end
-
-  add_index "news", ["author_id"], :name => "index_news_on_author_id"
-  add_index "news", ["created_on"], :name => "index_news_on_created_on"
-  add_index "news", ["project_id"], :name => "news_project_id"
-
-  create_table "no_uses", :force => true do |t|
-    t.integer  "user_id",     :null => false
-    t.string   "no_use_type"
-    t.integer  "no_use_id"
-    t.datetime "created_at",  :null => false
-    t.datetime "updated_at",  :null => false
-  end
-
-  create_table "notificationcomments", :force => true do |t|
-    t.string   "notificationcommented_type"
-    t.integer  "notificationcommented_id"
-    t.integer  "author_id"
-    t.text     "notificationcomments"
-    t.datetime "created_at",                 :null => false
-    t.datetime "updated_at",                 :null => false
-  end
-
-  create_table "open_id_authentication_associations", :force => true do |t|
-    t.integer "issued"
-    t.integer "lifetime"
-    t.string  "handle"
-    t.string  "assoc_type"
-    t.binary  "server_url"
-    t.binary  "secret"
-  end
-
-  create_table "open_id_authentication_nonces", :force => true do |t|
-    t.integer "timestamp",  :null => false
-    t.string  "server_url"
-    t.string  "salt",       :null => false
-  end
-
-  create_table "open_source_projects", :force => true do |t|
-    t.string   "name"
-    t.text     "description"
-    t.integer  "commit_count",     :default => 0
-    t.integer  "code_line",        :default => 0
-    t.integer  "users_count",      :default => 0
-    t.date     "last_commit_time"
-    t.string   "url"
-    t.date     "date_collected"
-    t.datetime "created_at",                      :null => false
-    t.datetime "updated_at",                      :null => false
-  end
-
-  create_table "option_numbers", :force => true do |t|
-    t.integer  "user_id"
-    t.integer  "memo"
-    t.integer  "messages_for_issues"
-    t.integer  "issues_status"
-    t.integer  "replay_for_message"
-    t.integer  "replay_for_memo"
-    t.integer  "follow"
-    t.integer  "tread"
-    t.integer  "praise_by_one"
-    t.integer  "praise_by_two"
-    t.integer  "praise_by_three"
-    t.integer  "tread_by_one"
-    t.integer  "tread_by_two"
-    t.integer  "tread_by_three"
-    t.integer  "changeset"
-    t.integer  "document"
-    t.integer  "attachment"
-    t.integer  "issue_done_ratio"
-    t.integer  "post_issue"
-    t.integer  "score_type"
-    t.integer  "total_score"
-    t.datetime "created_at",          :null => false
-    t.datetime "updated_at",          :null => false
-    t.integer  "project_id"
-  end
-
-  create_table "organizations", :force => true do |t|
-    t.string   "name"
-    t.string   "logo_link"
-    t.datetime "created_at", :null => false
-    t.datetime "updated_at", :null => false
-  end
-
-  create_table "phone_app_versions", :force => true do |t|
-    t.string   "version"
-    t.text     "description"
-    t.datetime "created_at",  :null => false
-    t.datetime "updated_at",  :null => false
-  end
-
-  create_table "poll_answers", :force => true do |t|
-    t.integer  "poll_question_id"
-    t.text     "answer_text"
-    t.integer  "answer_position"
-    t.datetime "created_at",       :null => false
-    t.datetime "updated_at",       :null => false
-  end
-
-  create_table "poll_questions", :force => true do |t|
-    t.string   "question_title"
-    t.integer  "question_type"
-    t.integer  "is_necessary"
-    t.integer  "poll_id"
-    t.datetime "created_at",      :null => false
-    t.datetime "updated_at",      :null => false
-    t.integer  "question_number"
-  end
-
-  create_table "poll_users", :force => true do |t|
-    t.integer  "user_id"
-    t.integer  "poll_id"
-    t.datetime "created_at", :null => false
-    t.datetime "updated_at", :null => false
-  end
-
-  create_table "poll_votes", :force => true do |t|
-    t.integer  "user_id"
-    t.integer  "poll_question_id"
-    t.integer  "poll_answer_id"
-    t.text     "vote_text"
-    t.datetime "created_at",       :null => false
-    t.datetime "updated_at",       :null => false
-  end
-
-  create_table "polls", :force => true do |t|
-    t.string   "polls_name"
-    t.string   "polls_type"
-    t.integer  "polls_group_id"
-    t.integer  "polls_status"
-    t.integer  "user_id"
-    t.datetime "published_at"
-    t.datetime "closed_at"
-    t.datetime "created_at",                       :null => false
-    t.datetime "updated_at",                       :null => false
-    t.text     "polls_description"
-    t.integer  "show_result",       :default => 1
-  end
-
-  create_table "praise_tread_caches", :force => true do |t|
-    t.integer  "object_id",   :null => false
-    t.string   "object_type"
-    t.integer  "praise_num"
-    t.integer  "tread_num"
-    t.datetime "created_at",  :null => false
-    t.datetime "updated_at",  :null => false
-  end
-
-  create_table "praise_treads", :force => true do |t|
-    t.integer  "user_id",                  :null => false
-    t.integer  "praise_tread_object_id"
-    t.string   "praise_tread_object_type"
-    t.integer  "praise_or_tread"
-    t.datetime "created_at",               :null => false
-    t.datetime "updated_at",               :null => false
-  end
-
-  create_table "project_infos", :force => true do |t|
-    t.integer  "project_id"
-    t.integer  "user_id"
-    t.datetime "created_at", :null => false
-    t.datetime "updated_at", :null => false
-  end
-
-  create_table "project_scores", :force => true do |t|
-    t.string   "project_id"
-    t.integer  "score"
-    t.datetime "created_at",                       :null => false
-    t.datetime "updated_at",                       :null => false
-    t.integer  "issue_num",         :default => 0
-    t.integer  "issue_journal_num", :default => 0
-    t.integer  "news_num",          :default => 0
-    t.integer  "documents_num",     :default => 0
-    t.integer  "changeset_num",     :default => 0
-    t.integer  "board_message_num", :default => 0
-  end
-
-  create_table "project_statuses", :force => true do |t|
-    t.integer "changesets_count"
-    t.integer "watchers_count"
-    t.integer "project_id"
-    t.integer "project_type"
-    t.float   "grade",            :default => 0.0
-    t.integer "course_ac_para",   :default => 0
-  end
-
-  add_index "project_statuses", ["grade"], :name => "index_project_statuses_on_grade"
-
-  create_table "projecting_softapplictions", :force => true do |t|
-    t.integer  "user_id"
-    t.integer  "softapplication_id"
-    t.integer  "project_id"
-    t.datetime "created_at",         :null => false
-    t.datetime "updated_at",         :null => false
-  end
-
-  create_table "projects", :force => true do |t|
-    t.string   "name",            :default => "",    :null => false
-    t.text     "description"
-    t.string   "homepage",        :default => ""
-    t.boolean  "is_public",       :default => true,  :null => false
-    t.integer  "parent_id"
-    t.datetime "created_on"
-    t.datetime "updated_on"
-    t.string   "identifier"
-    t.integer  "status",          :default => 1,     :null => false
-    t.integer  "lft"
-    t.integer  "rgt"
-    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
-    t.integer  "user_id"
-    t.integer  "dts_test",        :default => 0
-    t.string   "enterprise_name"
-    t.integer  "organization_id"
-  end
-
-  add_index "projects", ["lft"], :name => "index_projects_on_lft"
-  add_index "projects", ["rgt"], :name => "index_projects_on_rgt"
-
-  create_table "projects_trackers", :id => false, :force => true do |t|
-    t.integer "project_id", :default => 0, :null => false
-    t.integer "tracker_id", :default => 0, :null => false
-  end
-
-  add_index "projects_trackers", ["project_id", "tracker_id"], :name => "projects_trackers_unique", :unique => true
-  add_index "projects_trackers", ["project_id"], :name => "projects_trackers_project_id"
-
-  create_table "queries", :force => true do |t|
-    t.integer "project_id"
-    t.string  "name",          :default => "",    :null => false
-    t.text    "filters"
-    t.integer "user_id",       :default => 0,     :null => false
-    t.boolean "is_public",     :default => false, :null => false
-    t.text    "column_names"
-    t.text    "sort_criteria"
-    t.string  "group_by"
-    t.string  "type"
-  end
-
-  add_index "queries", ["project_id"], :name => "index_queries_on_project_id"
-  add_index "queries", ["user_id"], :name => "index_queries_on_user_id"
-
-  create_table "relative_memo_to_open_source_projects", :force => true do |t|
-    t.integer  "osp_id"
-    t.integer  "relative_memo_id"
-    t.datetime "created_at",       :null => false
-    t.datetime "updated_at",       :null => false
-  end
-
-  create_table "relative_memos", :force => true do |t|
-    t.integer  "osp_id"
-    t.integer  "parent_id"
-    t.string   "subject",                                                   :null => false
-    t.text     "content",            :limit => 16777215,                    :null => false
-    t.integer  "author_id"
-    t.integer  "replies_count",                          :default => 0
-    t.integer  "last_reply_id"
-    t.boolean  "lock",                                   :default => false
-    t.boolean  "sticky",                                 :default => false
-    t.boolean  "is_quote",                               :default => false
-    t.datetime "created_at",                                                :null => false
-    t.datetime "updated_at",                                                :null => false
-    t.integer  "viewed_count_crawl",                     :default => 0
-    t.integer  "viewed_count_local",                     :default => 0
-    t.string   "url"
-    t.string   "username"
-    t.string   "userhomeurl"
-    t.date     "date_collected"
-    t.string   "topic_resource"
-  end
-
-  create_table "repositories", :force => true do |t|
-    t.integer "project_id",                  :default => 0,     :null => false
-    t.string  "url",                         :default => "",    :null => false
-    t.string  "login",         :limit => 60, :default => ""
-    t.string  "password",                    :default => ""
-    t.string  "root_url",                    :default => ""
-    t.string  "type"
-    t.string  "path_encoding", :limit => 64
-    t.string  "log_encoding",  :limit => 64
-    t.text    "extra_info"
-    t.string  "identifier"
-    t.boolean "is_default",                  :default => false
-  end
-
-  add_index "repositories", ["project_id"], :name => "index_repositories_on_project_id"
-
-  create_table "rich_rich_files", :force => true do |t|
-    t.datetime "created_at",                                 :null => false
-    t.datetime "updated_at",                                 :null => false
-    t.string   "rich_file_file_name"
-    t.string   "rich_file_content_type"
-    t.integer  "rich_file_file_size"
-    t.datetime "rich_file_updated_at"
-    t.string   "owner_type"
-    t.integer  "owner_id"
-    t.text     "uri_cache"
-    t.string   "simplified_type",        :default => "file"
-  end
-
-  create_table "roles", :force => true do |t|
-    t.string  "name",              :limit => 30, :default => "",        :null => false
-    t.integer "position",                        :default => 1
-    t.boolean "assignable",                      :default => true
-    t.integer "builtin",                         :default => 0,         :null => false
-    t.text    "permissions"
-    t.string  "issues_visibility", :limit => 30, :default => "default", :null => false
-  end
-
-  create_table "schools", :force => true do |t|
-    t.string   "name"
-    t.string   "province"
-    t.datetime "created_at", :null => false
-    t.datetime "updated_at", :null => false
-    t.string   "logo_link"
-  end
-
-  create_table "seems_rateable_cached_ratings", :force => true do |t|
-    t.integer  "cacheable_id",   :limit => 8
-    t.string   "cacheable_type"
-    t.float    "avg",                         :null => false
-    t.integer  "cnt",                         :null => false
-    t.string   "dimension"
-    t.datetime "created_at",                  :null => false
-    t.datetime "updated_at",                  :null => false
-  end
-
-  create_table "seems_rateable_rates", :force => true do |t|
-    t.integer  "rater_id",         :limit => 8
-    t.integer  "rateable_id"
-    t.string   "rateable_type"
-    t.float    "stars",                                        :null => false
-    t.string   "dimension"
-    t.datetime "created_at",                                   :null => false
-    t.datetime "updated_at",                                   :null => false
-    t.integer  "is_teacher_score",              :default => 0
-  end
-
-  create_table "settings", :force => true do |t|
-    t.string   "name",       :default => "", :null => false
-    t.text     "value"
-    t.datetime "updated_on"
-  end
-
-  add_index "settings", ["name"], :name => "index_settings_on_name"
-
-  create_table "shares", :force => true do |t|
-    t.date     "created_on"
-    t.string   "url"
-    t.string   "title"
-    t.integer  "share_type"
-    t.datetime "created_at",  :null => false
-    t.datetime "updated_at",  :null => false
-    t.integer  "project_id"
-    t.integer  "user_id"
-    t.string   "description"
-  end
-
-  create_table "softapplications", :force => true do |t|
-    t.string   "name"
-    t.text     "description"
-    t.integer  "app_type_id"
-    t.string   "app_type_name"
-    t.string   "android_min_version_available"
-    t.integer  "user_id"
-    t.datetime "created_at",                    :null => false
-    t.datetime "updated_at",                    :null => false
-    t.integer  "contest_id"
-    t.integer  "softapplication_id"
-    t.integer  "is_public"
-    t.string   "application_developers"
-    t.string   "deposit_project_url"
-    t.string   "deposit_project"
-    t.integer  "project_id"
-  end
-
-  create_table "students_for_courses", :force => true do |t|
-    t.integer  "student_id"
-    t.integer  "course_id"
-    t.datetime "created_at", :null => false
-    t.datetime "updated_at", :null => false
-  end
-
-  create_table "taggings", :force => true do |t|
-    t.integer  "tag_id"
-    t.integer  "taggable_id"
-    t.string   "taggable_type"
-    t.integer  "tagger_id"
-    t.string   "tagger_type"
-    t.string   "context",       :limit => 128
-    t.datetime "created_at"
-  end
-
-  add_index "taggings", ["tag_id"], :name => "index_taggings_on_tag_id"
-  add_index "taggings", ["taggable_id", "taggable_type", "context"], :name => "index_taggings_on_taggable_id_and_taggable_type_and_context"
-  add_index "taggings", ["taggable_type"], :name => "index_taggings_on_taggable_type"
-
-  create_table "tags", :force => true do |t|
-    t.string "name"
-  end
-
-  create_table "teachers", :force => true do |t|
-    t.string   "tea_name"
-    t.string   "location"
-    t.integer  "couurse_time"
-    t.integer  "course_code"
-    t.datetime "created_at",   :null => false
-    t.datetime "updated_at",   :null => false
-    t.string   "extra"
-  end
-
-  create_table "time_entries", :force => true do |t|
-    t.integer  "project_id",  :null => false
-    t.integer  "user_id",     :null => false
-    t.integer  "issue_id"
-    t.float    "hours",       :null => false
-    t.string   "comments"
-    t.integer  "activity_id", :null => false
-    t.date     "spent_on",    :null => false
-    t.integer  "tyear",       :null => false
-    t.integer  "tmonth",      :null => false
-    t.integer  "tweek",       :null => false
-    t.datetime "created_on",  :null => false
-    t.datetime "updated_on",  :null => false
-  end
-
-  add_index "time_entries", ["activity_id"], :name => "index_time_entries_on_activity_id"
-  add_index "time_entries", ["created_on"], :name => "index_time_entries_on_created_on"
-  add_index "time_entries", ["issue_id"], :name => "time_entries_issue_id"
-  add_index "time_entries", ["project_id"], :name => "time_entries_project_id"
-  add_index "time_entries", ["user_id"], :name => "index_time_entries_on_user_id"
-
-  create_table "tokens", :force => true do |t|
-    t.integer  "user_id",                  :default => 0,  :null => false
-    t.string   "action",     :limit => 30, :default => "", :null => false
-    t.string   "value",      :limit => 40, :default => "", :null => false
-    t.datetime "created_on",                               :null => false
-  end
-
-  add_index "tokens", ["user_id"], :name => "index_tokens_on_user_id"
-  add_index "tokens", ["value"], :name => "tokens_value", :unique => true
-
-  create_table "trackers", :force => true do |t|
-    t.string  "name",          :limit => 30, :default => "",    :null => false
-    t.boolean "is_in_chlog",                 :default => false, :null => false
-    t.integer "position",                    :default => 1
-    t.boolean "is_in_roadmap",               :default => true,  :null => false
-    t.integer "fields_bits",                 :default => 0
-  end
-
-  create_table "user_extensions", :force => true do |t|
-    t.integer  "user_id",            :null => false
-    t.date     "birthday"
-    t.string   "brief_introduction"
-    t.integer  "gender"
-    t.string   "location"
-    t.string   "occupation"
-    t.integer  "work_experience"
-    t.integer  "zip_code"
-    t.datetime "created_at",         :null => false
-    t.datetime "updated_at",         :null => false
-    t.string   "technical_title"
-    t.integer  "identity"
-    t.string   "student_id"
-    t.string   "teacher_realname"
-    t.string   "student_realname"
-    t.string   "location_city"
-    t.integer  "school_id"
-  end
-
-  create_table "user_grades", :force => true do |t|
-    t.integer  "user_id",                     :null => false
-    t.integer  "project_id",                  :null => false
-    t.float    "grade",      :default => 0.0
-    t.datetime "created_at",                  :null => false
-    t.datetime "updated_at",                  :null => false
-  end
-
-  add_index "user_grades", ["grade"], :name => "index_user_grades_on_grade"
-  add_index "user_grades", ["project_id"], :name => "index_user_grades_on_project_id"
-  add_index "user_grades", ["user_id"], :name => "index_user_grades_on_user_id"
-
-  create_table "user_levels", :force => true do |t|
-    t.integer "user_id"
-    t.integer "level"
-  end
-
-  create_table "user_preferences", :force => true do |t|
-    t.integer "user_id",   :default => 0,     :null => false
-    t.text    "others"
-    t.boolean "hide_mail", :default => false
-    t.string  "time_zone"
-  end
-
-  add_index "user_preferences", ["user_id"], :name => "index_user_preferences_on_user_id"
-
-  create_table "user_score_details", :force => true do |t|
-    t.integer  "current_user_id"
-    t.integer  "target_user_id"
-    t.string   "score_type"
-    t.string   "score_action"
-    t.integer  "user_id"
-    t.integer  "old_score"
-    t.integer  "new_score"
-    t.integer  "current_user_level"
-    t.integer  "target_user_level"
-    t.integer  "score_changeable_obj_id"
-    t.string   "score_changeable_obj_type"
-    t.datetime "created_at",                :null => false
-    t.datetime "updated_at",                :null => false
-  end
-
-  create_table "user_scores", :force => true do |t|
-    t.integer  "user_id",       :null => false
-    t.integer  "collaboration"
-    t.integer  "influence"
-    t.integer  "skill"
-    t.integer  "active"
-    t.datetime "created_at",    :null => false
-    t.datetime "updated_at",    :null => false
-  end
-
-  create_table "user_statuses", :force => true do |t|
-    t.integer  "changesets_count"
-    t.integer  "watchers_count"
-    t.integer  "user_id"
-    t.datetime "created_at",                        :null => false
-    t.datetime "updated_at",                        :null => false
-    t.float    "grade",            :default => 0.0
-  end
-
-  add_index "user_statuses", ["changesets_count"], :name => "index_user_statuses_on_changesets_count"
-  add_index "user_statuses", ["grade"], :name => "index_user_statuses_on_grade"
-  add_index "user_statuses", ["watchers_count"], :name => "index_user_statuses_on_watchers_count"
-
-  create_table "users", :force => true do |t|
-    t.string   "login",                           :default => "",    :null => false
-    t.string   "hashed_password",   :limit => 40, :default => "",    :null => false
-    t.string   "firstname",         :limit => 30, :default => "",    :null => false
-    t.string   "lastname",                        :default => "",    :null => false
-    t.string   "mail",              :limit => 60, :default => "",    :null => false
-    t.boolean  "admin",                           :default => false, :null => false
-    t.integer  "status",                          :default => 1,     :null => false
-    t.datetime "last_login_on"
-    t.string   "language",          :limit => 5,  :default => ""
-    t.integer  "auth_source_id"
-    t.datetime "created_on"
-    t.datetime "updated_on"
-    t.string   "type"
-    t.string   "identity_url"
-    t.string   "mail_notification",               :default => "",    :null => false
-    t.string   "salt",              :limit => 64
-  end
-
-  add_index "users", ["auth_source_id"], :name => "index_users_on_auth_source_id"
-  add_index "users", ["id", "type"], :name => "index_users_on_id_and_type"
-  add_index "users", ["type"], :name => "index_users_on_type"
-
-  create_table "versions", :force => true do |t|
-    t.integer  "project_id",      :default => 0,      :null => false
-    t.string   "name",            :default => "",     :null => false
-    t.string   "description",     :default => ""
-    t.date     "effective_date"
-    t.datetime "created_on"
-    t.datetime "updated_on"
-    t.string   "wiki_page_title"
-    t.string   "status",          :default => "open"
-    t.string   "sharing",         :default => "none", :null => false
-  end
-
-  add_index "versions", ["project_id"], :name => "versions_project_id"
-  add_index "versions", ["sharing"], :name => "index_versions_on_sharing"
-
-  create_table "watchers", :force => true do |t|
-    t.string  "watchable_type", :default => "", :null => false
-    t.integer "watchable_id",   :default => 0,  :null => false
-    t.integer "user_id"
-  end
-
-  add_index "watchers", ["user_id", "watchable_type"], :name => "watchers_user_id_type"
-  add_index "watchers", ["user_id"], :name => "index_watchers_on_user_id"
-  add_index "watchers", ["watchable_id", "watchable_type"], :name => "index_watchers_on_watchable_id_and_watchable_type"
-
-  create_table "web_footer_companies", :force => true do |t|
-    t.string   "name"
-    t.string   "logo_size"
-    t.string   "url"
-    t.datetime "created_at", :null => false
-    t.datetime "updated_at", :null => false
-  end
-
-  create_table "web_footer_oranizers", :force => true do |t|
-    t.string   "name"
-    t.text     "description"
-    t.datetime "created_at",  :null => false
-    t.datetime "updated_at",  :null => false
-  end
-
-  create_table "wiki_content_versions", :force => true do |t|
-    t.integer  "wiki_content_id",                                       :null => false
-    t.integer  "page_id",                                               :null => false
-    t.integer  "author_id"
-    t.binary   "data",            :limit => 2147483647
-    t.string   "compression",     :limit => 6,          :default => ""
-    t.string   "comments",                              :default => ""
-    t.datetime "updated_on",                                            :null => false
-    t.integer  "version",                                               :null => false
-  end
-
-  add_index "wiki_content_versions", ["updated_on"], :name => "index_wiki_content_versions_on_updated_on"
-  add_index "wiki_content_versions", ["wiki_content_id"], :name => "wiki_content_versions_wcid"
-
-  create_table "wiki_contents", :force => true do |t|
-    t.integer  "page_id",                                          :null => false
-    t.integer  "author_id"
-    t.text     "text",       :limit => 2147483647
-    t.string   "comments",                         :default => ""
-    t.datetime "updated_on",                                       :null => false
-    t.integer  "version",                                          :null => false
-  end
-
-  add_index "wiki_contents", ["author_id"], :name => "index_wiki_contents_on_author_id"
-  add_index "wiki_contents", ["page_id"], :name => "wiki_contents_page_id"
-
-  create_table "wiki_pages", :force => true do |t|
-    t.integer  "wiki_id",                       :null => false
-    t.string   "title",                         :null => false
-    t.datetime "created_on",                    :null => false
-    t.boolean  "protected",  :default => false, :null => false
-    t.integer  "parent_id"
-  end
-
-  add_index "wiki_pages", ["parent_id"], :name => "index_wiki_pages_on_parent_id"
-  add_index "wiki_pages", ["wiki_id", "title"], :name => "wiki_pages_wiki_id_title"
-  add_index "wiki_pages", ["wiki_id"], :name => "index_wiki_pages_on_wiki_id"
-
-  create_table "wiki_redirects", :force => true do |t|
-    t.integer  "wiki_id",      :null => false
-    t.string   "title"
-    t.string   "redirects_to"
-    t.datetime "created_on",   :null => false
-  end
-
-  add_index "wiki_redirects", ["wiki_id", "title"], :name => "wiki_redirects_wiki_id_title"
-  add_index "wiki_redirects", ["wiki_id"], :name => "index_wiki_redirects_on_wiki_id"
-
-  create_table "wikis", :force => true do |t|
-    t.integer "project_id",                :null => false
-    t.string  "start_page",                :null => false
-    t.integer "status",     :default => 1, :null => false
-  end
-
-  add_index "wikis", ["project_id"], :name => "wikis_project_id"
-
-  create_table "workflows", :force => true do |t|
-    t.integer "tracker_id",                  :default => 0,     :null => false
-    t.integer "old_status_id",               :default => 0,     :null => false
-    t.integer "new_status_id",               :default => 0,     :null => false
-    t.integer "role_id",                     :default => 0,     :null => false
-    t.boolean "assignee",                    :default => false, :null => false
-    t.boolean "author",                      :default => false, :null => false
-    t.string  "type",          :limit => 30
-    t.string  "field_name",    :limit => 30
-    t.string  "rule",          :limit => 30
-  end
-
-  add_index "workflows", ["new_status_id"], :name => "index_workflows_on_new_status_id"
-  add_index "workflows", ["old_status_id"], :name => "index_workflows_on_old_status_id"
-  add_index "workflows", ["role_id", "tracker_id", "old_status_id"], :name => "wkfs_role_tracker_old_status"
-  add_index "workflows", ["role_id"], :name => "index_workflows_on_role_id"
-
-  create_table "works_categories", :force => true do |t|
-    t.string   "category"
-    t.datetime "created_at", :null => false
-    t.datetime "updated_at", :null => false
-  end
-
-end
+# encoding: UTF-8
+# This file is auto-generated from the current state of the database. Instead
+# of editing this file, please use the migrations feature of Active Record to
+# incrementally modify your database, and then regenerate this schema definition.
+#
+# Note that this schema.rb definition is the authoritative source for your
+# database schema. If you need to create the application database on another
+# system, you should be using db:schema:load, not running all the migrations
+# from scratch. The latter is a flawed and unsustainable approach (the more migrations
+# you'll amass, the slower it'll run and the greater likelihood for issues).
+#
+# It's strongly recommended to check this file into your version control system.
+
+ActiveRecord::Schema.define(:version => 20150402015402) do
+
+  create_table "activities", :force => true do |t|
+    t.integer "act_id",   :null => false
+    t.string  "act_type", :null => false
+    t.integer "user_id",  :null => false
+  end
+
+  add_index "activities", ["act_id", "act_type"], :name => "index_activities_on_act_id_and_act_type"
+  add_index "activities", ["user_id", "act_type"], :name => "index_activities_on_user_id_and_act_type"
+  add_index "activities", ["user_id"], :name => "index_activities_on_user_id"
+
+  create_table "api_keys", :force => true do |t|
+    t.string   "access_token"
+    t.datetime "expires_at"
+    t.integer  "user_id"
+    t.boolean  "active",       :default => true
+    t.datetime "created_at",                     :null => false
+    t.datetime "updated_at",                     :null => false
+  end
+
+  add_index "api_keys", ["access_token"], :name => "index_api_keys_on_access_token"
+  add_index "api_keys", ["user_id"], :name => "index_api_keys_on_user_id"
+
+  create_table "applied_projects", :force => true do |t|
+    t.integer "project_id", :null => false
+    t.integer "user_id",    :null => false
+  end
+
+  create_table "apply_project_masters", :force => true do |t|
+    t.integer  "user_id"
+    t.string   "apply_type"
+    t.integer  "apply_id"
+    t.integer  "status"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  create_table "attachments", :force => true do |t|
+    t.integer  "container_id"
+    t.string   "container_type", :limit => 30
+    t.string   "filename",                     :default => "", :null => false
+    t.string   "disk_filename",                :default => "", :null => false
+    t.integer  "filesize",                     :default => 0,  :null => false
+    t.string   "content_type",                 :default => ""
+    t.string   "digest",         :limit => 40, :default => "", :null => false
+    t.integer  "downloads",                    :default => 0,  :null => false
+    t.integer  "author_id",                    :default => 0,  :null => false
+    t.datetime "created_on"
+    t.string   "description"
+    t.string   "disk_directory"
+    t.integer  "attachtype",                   :default => 1
+    t.integer  "is_public",                    :default => 1
+    t.integer  "copy_from"
+    t.integer  "quotes"
+  end
+
+  add_index "attachments", ["author_id"], :name => "index_attachments_on_author_id"
+  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", :force => true do |t|
+    t.integer "typeId",                 :null => false
+    t.string  "typeName", :limit => 50
+  end
+
+  create_table "auth_sources", :force => true do |t|
+    t.string  "type",              :limit => 30, :default => "",    :null => false
+    t.string  "name",              :limit => 60, :default => "",    :null => false
+    t.string  "host",              :limit => 60
+    t.integer "port"
+    t.string  "account"
+    t.string  "account_password",                :default => ""
+    t.string  "base_dn"
+    t.string  "attr_login",        :limit => 30
+    t.string  "attr_firstname",    :limit => 30
+    t.string  "attr_lastname",     :limit => 30
+    t.string  "attr_mail",         :limit => 30
+    t.boolean "onthefly_register",               :default => false, :null => false
+    t.boolean "tls",                             :default => false, :null => false
+    t.string  "filter"
+    t.integer "timeout"
+  end
+
+  add_index "auth_sources", ["id", "type"], :name => "index_auth_sources_on_id_and_type"
+
+  create_table "biding_projects", :force => true do |t|
+    t.integer  "project_id"
+    t.integer  "bid_id"
+    t.integer  "user_id"
+    t.string   "description"
+    t.datetime "created_at",  :null => false
+    t.datetime "updated_at",  :null => false
+    t.string   "reward"
+  end
+
+  create_table "bids", :force => true do |t|
+    t.string   "name"
+    t.string   "budget",                                    :null => false
+    t.integer  "author_id"
+    t.date     "deadline"
+    t.text     "description"
+    t.datetime "created_on",                                :null => false
+    t.datetime "updated_on",                                :null => false
+    t.integer  "commit"
+    t.integer  "reward_type"
+    t.integer  "homework_type"
+    t.integer  "parent_id"
+    t.string   "password"
+    t.integer  "is_evaluation"
+    t.integer  "proportion",                :default => 60
+    t.integer  "comment_status",            :default => 0
+    t.integer  "evaluation_num",            :default => 3
+    t.integer  "open_anonymous_evaluation", :default => 1
+  end
+
+  create_table "boards", :force => true do |t|
+    t.integer "project_id",                      :null => false
+    t.string  "name",            :default => "", :null => false
+    t.string  "description"
+    t.integer "position",        :default => 1
+    t.integer "topics_count",    :default => 0,  :null => false
+    t.integer "messages_count",  :default => 0,  :null => false
+    t.integer "last_message_id"
+    t.integer "parent_id"
+    t.integer "course_id"
+  end
+
+  add_index "boards", ["last_message_id"], :name => "index_boards_on_last_message_id"
+  add_index "boards", ["project_id"], :name => "boards_project_id"
+
+  create_table "bug_to_osps", :force => true do |t|
+    t.integer  "osp_id"
+    t.integer  "relative_memo_id"
+    t.string   "description"
+    t.datetime "created_at",       :null => false
+    t.datetime "updated_at",       :null => false
+  end
+
+  create_table "changes", :force => true do |t|
+    t.integer "changeset_id",                               :null => false
+    t.string  "action",        :limit => 1, :default => "", :null => false
+    t.text    "path",                                       :null => false
+    t.text    "from_path"
+    t.string  "from_revision"
+    t.string  "revision"
+    t.string  "branch"
+  end
+
+  add_index "changes", ["changeset_id"], :name => "changesets_changeset_id"
+
+  create_table "changeset_parents", :id => false, :force => true do |t|
+    t.integer "changeset_id", :null => false
+    t.integer "parent_id",    :null => false
+  end
+
+  add_index "changeset_parents", ["changeset_id"], :name => "changeset_parents_changeset_ids"
+  add_index "changeset_parents", ["parent_id"], :name => "changeset_parents_parent_ids"
+
+  create_table "changesets", :force => true do |t|
+    t.integer  "repository_id", :null => false
+    t.string   "revision",      :null => false
+    t.string   "committer"
+    t.datetime "committed_on",  :null => false
+    t.text     "comments"
+    t.date     "commit_date"
+    t.string   "scmid"
+    t.integer  "user_id"
+  end
+
+  add_index "changesets", ["committed_on"], :name => "index_changesets_on_committed_on"
+  add_index "changesets", ["repository_id", "revision"], :name => "changesets_repos_rev", :unique => true
+  add_index "changesets", ["repository_id", "scmid"], :name => "changesets_repos_scmid"
+  add_index "changesets", ["repository_id"], :name => "index_changesets_on_repository_id"
+  add_index "changesets", ["user_id"], :name => "index_changesets_on_user_id"
+
+  create_table "changesets_issues", :id => false, :force => true do |t|
+    t.integer "changeset_id", :null => false
+    t.integer "issue_id",     :null => false
+  end
+
+  add_index "changesets_issues", ["changeset_id", "issue_id"], :name => "changesets_issues_ids", :unique => true
+
+  create_table "code_review_assignments", :force => true do |t|
+    t.integer "issue_id"
+    t.integer "change_id"
+    t.integer "attachment_id"
+    t.string  "file_path"
+    t.string  "rev"
+    t.string  "rev_to"
+    t.string  "action_type"
+    t.integer "changeset_id"
+  end
+
+  create_table "code_review_project_settings", :force => true do |t|
+    t.integer  "project_id"
+    t.integer  "tracker_id"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.integer  "updated_by"
+    t.boolean  "hide_code_review_tab",     :default => false
+    t.integer  "auto_relation",            :default => 1
+    t.integer  "assignment_tracker_id"
+    t.text     "auto_assign"
+    t.integer  "lock_version",             :default => 0,     :null => false
+    t.boolean  "tracker_in_review_dialog", :default => false
+  end
+
+  create_table "code_review_user_settings", :force => true do |t|
+    t.integer  "user_id",           :default => 0, :null => false
+    t.integer  "mail_notification", :default => 0, :null => false
+    t.datetime "created_at"
+    t.datetime "updated_at"
+  end
+
+  create_table "code_reviews", :force => true do |t|
+    t.integer  "project_id"
+    t.integer  "change_id"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.integer  "line"
+    t.integer  "updated_by_id"
+    t.integer  "lock_version",        :default => 0, :null => false
+    t.integer  "status_changed_from"
+    t.integer  "status_changed_to"
+    t.integer  "issue_id"
+    t.string   "action_type"
+    t.string   "file_path"
+    t.string   "rev"
+    t.string   "rev_to"
+    t.integer  "attachment_id"
+    t.integer  "file_count",          :default => 0, :null => false
+    t.boolean  "diff_all"
+  end
+
+  create_table "comments", :force => true do |t|
+    t.string   "commented_type", :limit => 30, :default => "", :null => false
+    t.integer  "commented_id",                 :default => 0,  :null => false
+    t.integer  "author_id",                    :default => 0,  :null => false
+    t.text     "comments"
+    t.datetime "created_on",                                   :null => false
+    t.datetime "updated_on",                                   :null => false
+  end
+
+  add_index "comments", ["author_id"], :name => "index_comments_on_author_id"
+  add_index "comments", ["commented_id", "commented_type"], :name => "index_comments_on_commented_id_and_commented_type"
+
+  create_table "contest_notifications", :force => true do |t|
+    t.text     "title"
+    t.text     "content"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  create_table "contesting_projects", :force => true do |t|
+    t.integer  "project_id"
+    t.string   "contest_id"
+    t.integer  "user_id"
+    t.string   "description"
+    t.datetime "created_at",  :null => false
+    t.datetime "updated_at",  :null => false
+    t.string   "reward"
+  end
+
+  create_table "contesting_softapplications", :force => true do |t|
+    t.integer  "softapplication_id"
+    t.integer  "contest_id"
+    t.integer  "user_id"
+    t.string   "description"
+    t.datetime "created_at",         :null => false
+    t.datetime "updated_at",         :null => false
+    t.string   "reward"
+  end
+
+  create_table "contestnotifications", :force => true do |t|
+    t.integer  "contest_id"
+    t.string   "title"
+    t.string   "summary"
+    t.text     "description"
+    t.integer  "author_id"
+    t.integer  "notificationcomments_count"
+    t.datetime "created_at",                 :null => false
+    t.datetime "updated_at",                 :null => false
+  end
+
+  create_table "contests", :force => true do |t|
+    t.string   "name"
+    t.string   "budget",      :default => ""
+    t.integer  "author_id"
+    t.date     "deadline"
+    t.string   "description"
+    t.integer  "commit"
+    t.string   "password"
+    t.datetime "created_on",                  :null => false
+    t.datetime "updated_on",                  :null => false
+  end
+
+  create_table "course_attachments", :force => true do |t|
+    t.string   "filename"
+    t.string   "disk_filename"
+    t.integer  "filesize"
+    t.string   "content_type"
+    t.string   "digest"
+    t.integer  "downloads"
+    t.string   "author_id"
+    t.string   "integer"
+    t.string   "description"
+    t.string   "disk_directory"
+    t.integer  "attachtype"
+    t.integer  "is_public"
+    t.datetime "created_at",                    :null => false
+    t.datetime "updated_at",                    :null => false
+    t.integer  "container_id",   :default => 0
+  end
+
+  create_table "course_groups", :force => true do |t|
+    t.string   "name"
+    t.integer  "course_id"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  create_table "course_infos", :force => true do |t|
+    t.integer  "course_id"
+    t.integer  "user_id"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  create_table "course_statuses", :force => true do |t|
+    t.integer  "changesets_count"
+    t.integer  "watchers_count"
+    t.integer  "course_id"
+    t.float    "grade",            :default => 0.0
+    t.integer  "course_ac_para",   :default => 0
+    t.datetime "created_at",                        :null => false
+    t.datetime "updated_at",                        :null => false
+  end
+
+  create_table "courses", :force => true do |t|
+    t.integer  "tea_id"
+    t.string   "name"
+    t.integer  "state"
+    t.string   "code"
+    t.integer  "time"
+    t.string   "extra"
+    t.datetime "created_at",                                  :null => false
+    t.datetime "updated_at",                                  :null => false
+    t.string   "location"
+    t.string   "term"
+    t.string   "string"
+    t.string   "password"
+    t.string   "setup_time"
+    t.string   "endup_time"
+    t.string   "class_period"
+    t.integer  "school_id"
+    t.text     "description"
+    t.integer  "status",                       :default => 1
+    t.integer  "attachmenttype",               :default => 2
+    t.integer  "lft"
+    t.integer  "rgt"
+    t.integer  "is_public",       :limit => 1, :default => 1
+    t.integer  "inherit_members", :limit => 1, :default => 1
+    t.integer  "open_student",                 :default => 0
+  end
+
+  create_table "custom_fields", :force => true do |t|
+    t.string  "type",            :limit => 30, :default => "",    :null => false
+    t.string  "name",            :limit => 30, :default => "",    :null => false
+    t.string  "field_format",    :limit => 30, :default => "",    :null => false
+    t.text    "possible_values"
+    t.string  "regexp",                        :default => ""
+    t.integer "min_length",                    :default => 0,     :null => false
+    t.integer "max_length",                    :default => 0,     :null => false
+    t.boolean "is_required",                   :default => false, :null => false
+    t.boolean "is_for_all",                    :default => false, :null => false
+    t.boolean "is_filter",                     :default => false, :null => false
+    t.integer "position",                      :default => 1
+    t.boolean "searchable",                    :default => false
+    t.text    "default_value"
+    t.boolean "editable",                      :default => true
+    t.boolean "visible",                       :default => true,  :null => false
+    t.boolean "multiple",                      :default => false
+  end
+
+  add_index "custom_fields", ["id", "type"], :name => "index_custom_fields_on_id_and_type"
+
+  create_table "custom_fields_projects", :id => false, :force => true do |t|
+    t.integer "custom_field_id", :default => 0, :null => false
+    t.integer "project_id",      :default => 0, :null => false
+  end
+
+  add_index "custom_fields_projects", ["custom_field_id", "project_id"], :name => "index_custom_fields_projects_on_custom_field_id_and_project_id", :unique => true
+
+  create_table "custom_fields_trackers", :id => false, :force => true do |t|
+    t.integer "custom_field_id", :default => 0, :null => false
+    t.integer "tracker_id",      :default => 0, :null => false
+  end
+
+  add_index "custom_fields_trackers", ["custom_field_id", "tracker_id"], :name => "index_custom_fields_trackers_on_custom_field_id_and_tracker_id", :unique => true
+
+  create_table "custom_values", :force => true do |t|
+    t.string  "customized_type", :limit => 30, :default => "", :null => false
+    t.integer "customized_id",                 :default => 0,  :null => false
+    t.integer "custom_field_id",               :default => 0,  :null => false
+    t.text    "value"
+  end
+
+  add_index "custom_values", ["custom_field_id"], :name => "index_custom_values_on_custom_field_id"
+  add_index "custom_values", ["customized_type", "customized_id"], :name => "custom_values_customized"
+
+  create_table "delayed_jobs", :force => true do |t|
+    t.integer  "priority",   :default => 0, :null => false
+    t.integer  "attempts",   :default => 0, :null => false
+    t.text     "handler",                   :null => false
+    t.text     "last_error"
+    t.datetime "run_at"
+    t.datetime "locked_at"
+    t.datetime "failed_at"
+    t.string   "locked_by"
+    t.string   "queue"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+  end
+
+  add_index "delayed_jobs", ["priority", "run_at"], :name => "delayed_jobs_priority"
+
+  create_table "discuss_demos", :force => true do |t|
+    t.string   "title"
+    t.text     "body"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  create_table "documents", :force => true do |t|
+    t.integer  "project_id",                :default => 0,  :null => false
+    t.integer  "category_id",               :default => 0,  :null => false
+    t.string   "title",       :limit => 60, :default => "", :null => false
+    t.text     "description"
+    t.datetime "created_on"
+    t.integer  "user_id",                   :default => 0
+    t.integer  "is_public",                 :default => 1
+  end
+
+  add_index "documents", ["category_id"], :name => "index_documents_on_category_id"
+  add_index "documents", ["created_on"], :name => "index_documents_on_created_on"
+  add_index "documents", ["project_id"], :name => "documents_project_id"
+
+  create_table "enabled_modules", :force => true do |t|
+    t.integer "project_id"
+    t.string  "name",       :null => false
+    t.integer "course_id"
+  end
+
+  add_index "enabled_modules", ["project_id"], :name => "enabled_modules_project_id"
+
+  create_table "enumerations", :force => true do |t|
+    t.string  "name",          :limit => 30, :default => "",    :null => false
+    t.integer "position",                    :default => 1
+    t.boolean "is_default",                  :default => false, :null => false
+    t.string  "type"
+    t.boolean "active",                      :default => true,  :null => false
+    t.integer "project_id"
+    t.integer "parent_id"
+    t.string  "position_name", :limit => 30
+  end
+
+  add_index "enumerations", ["id", "type"], :name => "index_enumerations_on_id_and_type"
+  add_index "enumerations", ["project_id"], :name => "index_enumerations_on_project_id"
+
+  create_table "first_pages", :force => true do |t|
+    t.string   "web_title"
+    t.string   "title"
+    t.text     "description"
+    t.string   "page_type"
+    t.datetime "created_at",                    :null => false
+    t.datetime "updated_at",                    :null => false
+    t.integer  "sort_type"
+    t.integer  "image_width",  :default => 107
+    t.integer  "image_height", :default => 63
+    t.integer  "show_course",  :default => 1
+    t.integer  "show_contest", :default => 1
+  end
+
+  create_table "forge_activities", :force => true do |t|
+    t.integer  "user_id"
+    t.integer  "project_id"
+    t.integer  "forge_act_id"
+    t.string   "forge_act_type"
+    t.integer  "org_id"
+    t.datetime "created_at",     :null => false
+    t.datetime "updated_at",     :null => false
+  end
+
+  add_index "forge_activities", ["forge_act_id"], :name => "index_forge_activities_on_forge_act_id"
+
+  create_table "forums", :force => true do |t|
+    t.string   "name",                        :null => false
+    t.text     "description"
+    t.integer  "topic_count",  :default => 0
+    t.integer  "memo_count",   :default => 0
+    t.integer  "last_memo_id", :default => 0
+    t.integer  "creator_id",                  :null => false
+    t.datetime "created_at",                  :null => false
+    t.datetime "updated_at",                  :null => false
+    t.integer  "sticky"
+    t.integer  "locked"
+  end
+
+  create_table "groups_users", :id => false, :force => true do |t|
+    t.integer "group_id", :null => false
+    t.integer "user_id",  :null => false
+  end
+
+  add_index "groups_users", ["group_id", "user_id"], :name => "groups_users_ids", :unique => true
+
+  create_table "homework_attaches", :force => true do |t|
+    t.integer  "bid_id"
+    t.integer  "user_id"
+    t.datetime "created_at",                        :null => false
+    t.datetime "updated_at",                        :null => false
+    t.string   "reward"
+    t.string   "name"
+    t.text     "description"
+    t.integer  "state"
+    t.integer  "project_id",       :default => 0
+    t.float    "score",            :default => 0.0
+    t.integer  "is_teacher_score", :default => 0
+  end
+
+  create_table "homework_evaluations", :force => true do |t|
+    t.string   "user_id"
+    t.string   "homework_attach_id"
+    t.datetime "created_at",         :null => false
+    t.datetime "updated_at",         :null => false
+  end
+
+  create_table "homework_for_courses", :force => true do |t|
+    t.integer "course_id"
+    t.integer "bid_id"
+  end
+
+  create_table "homework_users", :force => true do |t|
+    t.string   "homework_attach_id"
+    t.string   "user_id"
+    t.datetime "created_at",         :null => false
+    t.datetime "updated_at",         :null => false
+  end
+
+  create_table "issue_categories", :force => true do |t|
+    t.integer "project_id",                   :default => 0,  :null => false
+    t.string  "name",           :limit => 30, :default => "", :null => false
+    t.integer "assigned_to_id"
+  end
+
+  add_index "issue_categories", ["assigned_to_id"], :name => "index_issue_categories_on_assigned_to_id"
+  add_index "issue_categories", ["project_id"], :name => "issue_categories_project_id"
+
+  create_table "issue_relations", :force => true do |t|
+    t.integer "issue_from_id",                 :null => false
+    t.integer "issue_to_id",                   :null => false
+    t.string  "relation_type", :default => "", :null => false
+    t.integer "delay"
+  end
+
+  add_index "issue_relations", ["issue_from_id", "issue_to_id"], :name => "index_issue_relations_on_issue_from_id_and_issue_to_id", :unique => true
+  add_index "issue_relations", ["issue_from_id"], :name => "index_issue_relations_on_issue_from_id"
+  add_index "issue_relations", ["issue_to_id"], :name => "index_issue_relations_on_issue_to_id"
+
+  create_table "issue_statuses", :force => true do |t|
+    t.string  "name",               :limit => 30, :default => "",    :null => false
+    t.boolean "is_closed",                        :default => false, :null => false
+    t.boolean "is_default",                       :default => false, :null => false
+    t.integer "position",                         :default => 1
+    t.integer "default_done_ratio"
+  end
+
+  add_index "issue_statuses", ["is_closed"], :name => "index_issue_statuses_on_is_closed"
+  add_index "issue_statuses", ["is_default"], :name => "index_issue_statuses_on_is_default"
+  add_index "issue_statuses", ["position"], :name => "index_issue_statuses_on_position"
+
+  create_table "issues", :force => true do |t|
+    t.integer  "tracker_id",                              :null => false
+    t.integer  "project_id",                              :null => false
+    t.string   "subject",              :default => "",    :null => false
+    t.text     "description"
+    t.date     "due_date"
+    t.integer  "category_id"
+    t.integer  "status_id",                               :null => false
+    t.integer  "assigned_to_id"
+    t.integer  "priority_id",                             :null => false
+    t.integer  "fixed_version_id"
+    t.integer  "author_id",                               :null => false
+    t.integer  "lock_version",         :default => 0,     :null => false
+    t.datetime "created_on"
+    t.datetime "updated_on"
+    t.date     "start_date"
+    t.integer  "done_ratio",           :default => 0,     :null => false
+    t.float    "estimated_hours"
+    t.integer  "parent_id"
+    t.integer  "root_id"
+    t.integer  "lft"
+    t.integer  "rgt"
+    t.boolean  "is_private",           :default => false, :null => false
+    t.datetime "closed_on"
+    t.integer  "project_issues_index"
+  end
+
+  add_index "issues", ["assigned_to_id"], :name => "index_issues_on_assigned_to_id"
+  add_index "issues", ["author_id"], :name => "index_issues_on_author_id"
+  add_index "issues", ["category_id"], :name => "index_issues_on_category_id"
+  add_index "issues", ["created_on"], :name => "index_issues_on_created_on"
+  add_index "issues", ["fixed_version_id"], :name => "index_issues_on_fixed_version_id"
+  add_index "issues", ["priority_id"], :name => "index_issues_on_priority_id"
+  add_index "issues", ["project_id"], :name => "issues_project_id"
+  add_index "issues", ["root_id", "lft", "rgt"], :name => "index_issues_on_root_id_and_lft_and_rgt"
+  add_index "issues", ["status_id"], :name => "index_issues_on_status_id"
+  add_index "issues", ["tracker_id"], :name => "index_issues_on_tracker_id"
+
+  create_table "join_in_competitions", :force => true do |t|
+    t.integer  "user_id"
+    t.integer  "competition_id"
+    t.datetime "created_at",     :null => false
+    t.datetime "updated_at",     :null => false
+  end
+
+  create_table "join_in_contests", :force => true do |t|
+    t.integer  "user_id"
+    t.integer  "bid_id"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  create_table "journal_details", :force => true do |t|
+    t.integer "journal_id",               :default => 0,  :null => false
+    t.string  "property",   :limit => 30, :default => "", :null => false
+    t.string  "prop_key",   :limit => 30, :default => "", :null => false
+    t.text    "old_value"
+    t.text    "value"
+  end
+
+  add_index "journal_details", ["journal_id"], :name => "journal_details_journal_id"
+
+  create_table "journal_replies", :id => false, :force => true do |t|
+    t.integer "journal_id"
+    t.integer "user_id"
+    t.integer "reply_id"
+  end
+
+  add_index "journal_replies", ["journal_id"], :name => "index_journal_replies_on_journal_id"
+  add_index "journal_replies", ["reply_id"], :name => "index_journal_replies_on_reply_id"
+  add_index "journal_replies", ["user_id"], :name => "index_journal_replies_on_user_id"
+
+  create_table "journals", :force => true do |t|
+    t.integer  "journalized_id",                 :default => 0,     :null => false
+    t.string   "journalized_type", :limit => 30, :default => "",    :null => false
+    t.integer  "user_id",                        :default => 0,     :null => false
+    t.text     "notes"
+    t.datetime "created_on",                                        :null => false
+    t.boolean  "private_notes",                  :default => false, :null => false
+  end
+
+  add_index "journals", ["created_on"], :name => "index_journals_on_created_on"
+  add_index "journals", ["journalized_id", "journalized_type"], :name => "journals_journalized_id"
+  add_index "journals", ["journalized_id"], :name => "index_journals_on_journalized_id"
+  add_index "journals", ["user_id"], :name => "index_journals_on_user_id"
+
+  create_table "journals_for_messages", :force => true do |t|
+    t.integer  "jour_id"
+    t.string   "jour_type"
+    t.integer  "user_id"
+    t.text     "notes"
+    t.integer  "status"
+    t.integer  "reply_id"
+    t.datetime "created_on",                  :null => false
+    t.datetime "updated_on",                  :null => false
+    t.string   "m_parent_id"
+    t.boolean  "is_readed"
+    t.integer  "m_reply_count"
+    t.integer  "m_reply_id"
+    t.integer  "is_comprehensive_evaluation"
+  end
+
+  create_table "kindeditor_assets", :force => true do |t|
+    t.string   "asset"
+    t.integer  "file_size"
+    t.string   "file_type"
+    t.integer  "owner_id"
+    t.string   "asset_type"
+    t.datetime "created_at",                :null => false
+    t.datetime "updated_at",                :null => false
+    t.integer  "owner_type", :default => 0
+  end
+
+  create_table "member_roles", :force => true do |t|
+    t.integer "member_id",      :null => false
+    t.integer "role_id",        :null => false
+    t.integer "inherited_from"
+  end
+
+  add_index "member_roles", ["member_id"], :name => "index_member_roles_on_member_id"
+  add_index "member_roles", ["role_id"], :name => "index_member_roles_on_role_id"
+
+  create_table "members", :force => true do |t|
+    t.integer  "user_id",           :default => 0,     :null => false
+    t.integer  "project_id",        :default => 0
+    t.datetime "created_on"
+    t.boolean  "mail_notification", :default => false, :null => false
+    t.integer  "course_id",         :default => -1
+    t.integer  "course_group_id",   :default => 0
+  end
+
+  add_index "members", ["project_id"], :name => "index_members_on_project_id"
+  add_index "members", ["user_id", "project_id", "course_id"], :name => "index_members_on_user_id_and_project_id", :unique => true
+  add_index "members", ["user_id"], :name => "index_members_on_user_id"
+
+  create_table "memos", :force => true do |t|
+    t.integer  "forum_id",                         :null => false
+    t.integer  "parent_id"
+    t.string   "subject",                          :null => false
+    t.text     "content",                          :null => false
+    t.integer  "author_id",                        :null => false
+    t.integer  "replies_count", :default => 0
+    t.integer  "last_reply_id"
+    t.boolean  "lock",          :default => false
+    t.boolean  "sticky",        :default => false
+    t.datetime "created_at",                       :null => false
+    t.datetime "updated_at",                       :null => false
+    t.integer  "viewed_count",  :default => 0
+  end
+
+  create_table "messages", :force => true do |t|
+    t.integer  "board_id",                         :null => false
+    t.integer  "parent_id"
+    t.string   "subject",       :default => "",    :null => false
+    t.text     "content"
+    t.integer  "author_id"
+    t.integer  "replies_count", :default => 0,     :null => false
+    t.integer  "last_reply_id"
+    t.datetime "created_on",                       :null => false
+    t.datetime "updated_on",                       :null => false
+    t.boolean  "locked",        :default => false
+    t.integer  "sticky",        :default => 0
+  end
+
+  add_index "messages", ["author_id"], :name => "index_messages_on_author_id"
+  add_index "messages", ["board_id"], :name => "messages_board_id"
+  add_index "messages", ["created_on"], :name => "index_messages_on_created_on"
+  add_index "messages", ["last_reply_id"], :name => "index_messages_on_last_reply_id"
+  add_index "messages", ["parent_id"], :name => "messages_parent_id"
+
+  create_table "news", :force => true do |t|
+    t.integer  "project_id"
+    t.string   "title",          :limit => 60, :default => "", :null => false
+    t.string   "summary",                      :default => ""
+    t.text     "description"
+    t.integer  "author_id",                    :default => 0,  :null => false
+    t.datetime "created_on"
+    t.integer  "comments_count",               :default => 0,  :null => false
+    t.integer  "course_id"
+  end
+
+  add_index "news", ["author_id"], :name => "index_news_on_author_id"
+  add_index "news", ["created_on"], :name => "index_news_on_created_on"
+  add_index "news", ["project_id"], :name => "news_project_id"
+
+  create_table "no_uses", :force => true do |t|
+    t.integer  "user_id",     :null => false
+    t.string   "no_use_type"
+    t.integer  "no_use_id"
+    t.datetime "created_at",  :null => false
+    t.datetime "updated_at",  :null => false
+  end
+
+  create_table "notificationcomments", :force => true do |t|
+    t.string   "notificationcommented_type"
+    t.integer  "notificationcommented_id"
+    t.integer  "author_id"
+    t.text     "notificationcomments"
+    t.datetime "created_at",                 :null => false
+    t.datetime "updated_at",                 :null => false
+  end
+
+  create_table "open_id_authentication_associations", :force => true do |t|
+    t.integer "issued"
+    t.integer "lifetime"
+    t.string  "handle"
+    t.string  "assoc_type"
+    t.binary  "server_url"
+    t.binary  "secret"
+  end
+
+  create_table "open_id_authentication_nonces", :force => true do |t|
+    t.integer "timestamp",  :null => false
+    t.string  "server_url"
+    t.string  "salt",       :null => false
+  end
+
+  create_table "open_source_projects", :force => true do |t|
+    t.string   "name"
+    t.text     "description"
+    t.integer  "commit_count",     :default => 0
+    t.integer  "code_line",        :default => 0
+    t.integer  "users_count",      :default => 0
+    t.date     "last_commit_time"
+    t.string   "url"
+    t.date     "date_collected"
+    t.datetime "created_at",                      :null => false
+    t.datetime "updated_at",                      :null => false
+  end
+
+  create_table "option_numbers", :force => true do |t|
+    t.integer  "user_id"
+    t.integer  "memo"
+    t.integer  "messages_for_issues"
+    t.integer  "issues_status"
+    t.integer  "replay_for_message"
+    t.integer  "replay_for_memo"
+    t.integer  "follow"
+    t.integer  "tread"
+    t.integer  "praise_by_one"
+    t.integer  "praise_by_two"
+    t.integer  "praise_by_three"
+    t.integer  "tread_by_one"
+    t.integer  "tread_by_two"
+    t.integer  "tread_by_three"
+    t.integer  "changeset"
+    t.integer  "document"
+    t.integer  "attachment"
+    t.integer  "issue_done_ratio"
+    t.integer  "post_issue"
+    t.integer  "score_type"
+    t.integer  "total_score"
+    t.datetime "created_at",          :null => false
+    t.datetime "updated_at",          :null => false
+    t.integer  "project_id"
+  end
+
+  create_table "organizations", :force => true do |t|
+    t.string   "name"
+    t.string   "logo_link"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  create_table "phone_app_versions", :force => true do |t|
+    t.string   "version"
+    t.text     "description"
+    t.datetime "created_at",  :null => false
+    t.datetime "updated_at",  :null => false
+  end
+
+  create_table "poll_answers", :force => true do |t|
+    t.integer  "poll_question_id"
+    t.text     "answer_text"
+    t.integer  "answer_position"
+    t.datetime "created_at",       :null => false
+    t.datetime "updated_at",       :null => false
+  end
+
+  create_table "poll_questions", :force => true do |t|
+    t.string   "question_title"
+    t.integer  "question_type"
+    t.integer  "is_necessary"
+    t.integer  "poll_id"
+    t.datetime "created_at",      :null => false
+    t.datetime "updated_at",      :null => false
+    t.integer  "question_number"
+  end
+
+  create_table "poll_users", :force => true do |t|
+    t.integer  "user_id"
+    t.integer  "poll_id"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  create_table "poll_votes", :force => true do |t|
+    t.integer  "user_id"
+    t.integer  "poll_question_id"
+    t.integer  "poll_answer_id"
+    t.text     "vote_text"
+    t.datetime "created_at",       :null => false
+    t.datetime "updated_at",       :null => false
+  end
+
+  create_table "polls", :force => true do |t|
+    t.string   "polls_name"
+    t.string   "polls_type"
+    t.integer  "polls_group_id"
+    t.integer  "polls_status"
+    t.integer  "user_id"
+    t.datetime "published_at"
+    t.datetime "closed_at"
+    t.datetime "created_at",                       :null => false
+    t.datetime "updated_at",                       :null => false
+    t.text     "polls_description"
+    t.integer  "show_result",       :default => 1
+  end
+
+  create_table "praise_tread_caches", :force => true do |t|
+    t.integer  "object_id",   :null => false
+    t.string   "object_type"
+    t.integer  "praise_num"
+    t.integer  "tread_num"
+    t.datetime "created_at",  :null => false
+    t.datetime "updated_at",  :null => false
+  end
+
+  create_table "praise_treads", :force => true do |t|
+    t.integer  "user_id",                  :null => false
+    t.integer  "praise_tread_object_id"
+    t.string   "praise_tread_object_type"
+    t.integer  "praise_or_tread"
+    t.datetime "created_at",               :null => false
+    t.datetime "updated_at",               :null => false
+  end
+
+  create_table "project_infos", :force => true do |t|
+    t.integer  "project_id"
+    t.integer  "user_id"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  create_table "project_scores", :force => true do |t|
+    t.string   "project_id"
+    t.integer  "score"
+    t.datetime "created_at",                       :null => false
+    t.datetime "updated_at",                       :null => false
+    t.integer  "issue_num",         :default => 0
+    t.integer  "issue_journal_num", :default => 0
+    t.integer  "news_num",          :default => 0
+    t.integer  "documents_num",     :default => 0
+    t.integer  "changeset_num",     :default => 0
+    t.integer  "board_message_num", :default => 0
+  end
+
+  create_table "project_statuses", :force => true do |t|
+    t.integer "changesets_count"
+    t.integer "watchers_count"
+    t.integer "project_id"
+    t.integer "project_type"
+    t.float   "grade",            :default => 0.0
+    t.integer "course_ac_para",   :default => 0
+  end
+
+  add_index "project_statuses", ["grade"], :name => "index_project_statuses_on_grade"
+
+  create_table "projecting_softapplictions", :force => true do |t|
+    t.integer  "user_id"
+    t.integer  "softapplication_id"
+    t.integer  "project_id"
+    t.datetime "created_at",         :null => false
+    t.datetime "updated_at",         :null => false
+  end
+
+  create_table "projects", :force => true do |t|
+    t.string   "name",            :default => "",    :null => false
+    t.text     "description"
+    t.string   "homepage",        :default => ""
+    t.boolean  "is_public",       :default => true,  :null => false
+    t.integer  "parent_id"
+    t.datetime "created_on"
+    t.datetime "updated_on"
+    t.string   "identifier"
+    t.integer  "status",          :default => 1,     :null => false
+    t.integer  "lft"
+    t.integer  "rgt"
+    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
+    t.integer  "user_id"
+    t.integer  "dts_test",        :default => 0
+    t.string   "enterprise_name"
+    t.integer  "organization_id"
+  end
+
+  add_index "projects", ["lft"], :name => "index_projects_on_lft"
+  add_index "projects", ["rgt"], :name => "index_projects_on_rgt"
+
+  create_table "projects_trackers", :id => false, :force => true do |t|
+    t.integer "project_id", :default => 0, :null => false
+    t.integer "tracker_id", :default => 0, :null => false
+  end
+
+  add_index "projects_trackers", ["project_id", "tracker_id"], :name => "projects_trackers_unique", :unique => true
+  add_index "projects_trackers", ["project_id"], :name => "projects_trackers_project_id"
+
+  create_table "queries", :force => true do |t|
+    t.integer "project_id"
+    t.string  "name",          :default => "",    :null => false
+    t.text    "filters"
+    t.integer "user_id",       :default => 0,     :null => false
+    t.boolean "is_public",     :default => false, :null => false
+    t.text    "column_names"
+    t.text    "sort_criteria"
+    t.string  "group_by"
+    t.string  "type"
+  end
+
+  add_index "queries", ["project_id"], :name => "index_queries_on_project_id"
+  add_index "queries", ["user_id"], :name => "index_queries_on_user_id"
+
+  create_table "relative_memo_to_open_source_projects", :force => true do |t|
+    t.integer  "osp_id"
+    t.integer  "relative_memo_id"
+    t.datetime "created_at",       :null => false
+    t.datetime "updated_at",       :null => false
+  end
+
+  create_table "relative_memos", :force => true do |t|
+    t.integer  "osp_id"
+    t.integer  "parent_id"
+    t.string   "subject",                                                   :null => false
+    t.text     "content",            :limit => 16777215,                    :null => false
+    t.integer  "author_id"
+    t.integer  "replies_count",                          :default => 0
+    t.integer  "last_reply_id"
+    t.boolean  "lock",                                   :default => false
+    t.boolean  "sticky",                                 :default => false
+    t.boolean  "is_quote",                               :default => false
+    t.datetime "created_at",                                                :null => false
+    t.datetime "updated_at",                                                :null => false
+    t.integer  "viewed_count_crawl",                     :default => 0
+    t.integer  "viewed_count_local",                     :default => 0
+    t.string   "url"
+    t.string   "username"
+    t.string   "userhomeurl"
+    t.date     "date_collected"
+    t.string   "topic_resource"
+  end
+
+  create_table "repositories", :force => true do |t|
+    t.integer "project_id",                  :default => 0,     :null => false
+    t.string  "url",                         :default => "",    :null => false
+    t.string  "login",         :limit => 60, :default => ""
+    t.string  "password",                    :default => ""
+    t.string  "root_url",                    :default => ""
+    t.string  "type"
+    t.string  "path_encoding", :limit => 64
+    t.string  "log_encoding",  :limit => 64
+    t.text    "extra_info"
+    t.string  "identifier"
+    t.boolean "is_default",                  :default => false
+  end
+
+  add_index "repositories", ["project_id"], :name => "index_repositories_on_project_id"
+
+  create_table "rich_rich_files", :force => true do |t|
+    t.datetime "created_at",                                 :null => false
+    t.datetime "updated_at",                                 :null => false
+    t.string   "rich_file_file_name"
+    t.string   "rich_file_content_type"
+    t.integer  "rich_file_file_size"
+    t.datetime "rich_file_updated_at"
+    t.string   "owner_type"
+    t.integer  "owner_id"
+    t.text     "uri_cache"
+    t.string   "simplified_type",        :default => "file"
+  end
+
+  create_table "roles", :force => true do |t|
+    t.string  "name",              :limit => 30, :default => "",        :null => false
+    t.integer "position",                        :default => 1
+    t.boolean "assignable",                      :default => true
+    t.integer "builtin",                         :default => 0,         :null => false
+    t.text    "permissions"
+    t.string  "issues_visibility", :limit => 30, :default => "default", :null => false
+  end
+
+  create_table "schools", :force => true do |t|
+    t.string   "name"
+    t.string   "province"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+    t.string   "logo_link"
+  end
+
+  create_table "seems_rateable_cached_ratings", :force => true do |t|
+    t.integer  "cacheable_id",   :limit => 8
+    t.string   "cacheable_type"
+    t.float    "avg",                         :null => false
+    t.integer  "cnt",                         :null => false
+    t.string   "dimension"
+    t.datetime "created_at",                  :null => false
+    t.datetime "updated_at",                  :null => false
+  end
+
+  create_table "seems_rateable_rates", :force => true do |t|
+    t.integer  "rater_id",         :limit => 8
+    t.integer  "rateable_id"
+    t.string   "rateable_type"
+    t.float    "stars",                                        :null => false
+    t.string   "dimension"
+    t.datetime "created_at",                                   :null => false
+    t.datetime "updated_at",                                   :null => false
+    t.integer  "is_teacher_score",              :default => 0
+  end
+
+  create_table "settings", :force => true do |t|
+    t.string   "name",       :default => "", :null => false
+    t.text     "value"
+    t.datetime "updated_on"
+  end
+
+  add_index "settings", ["name"], :name => "index_settings_on_name"
+
+  create_table "shares", :force => true do |t|
+    t.date     "created_on"
+    t.string   "url"
+    t.string   "title"
+    t.integer  "share_type"
+    t.datetime "created_at",  :null => false
+    t.datetime "updated_at",  :null => false
+    t.integer  "project_id"
+    t.integer  "user_id"
+    t.string   "description"
+  end
+
+  create_table "softapplications", :force => true do |t|
+    t.string   "name"
+    t.text     "description"
+    t.integer  "app_type_id"
+    t.string   "app_type_name"
+    t.string   "android_min_version_available"
+    t.integer  "user_id"
+    t.datetime "created_at",                    :null => false
+    t.datetime "updated_at",                    :null => false
+    t.integer  "contest_id"
+    t.integer  "softapplication_id"
+    t.integer  "is_public"
+    t.string   "application_developers"
+    t.string   "deposit_project_url"
+    t.string   "deposit_project"
+    t.integer  "project_id"
+  end
+
+  create_table "students_for_courses", :force => true do |t|
+    t.integer  "student_id"
+    t.integer  "course_id"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  create_table "taggings", :force => true do |t|
+    t.integer  "tag_id"
+    t.integer  "taggable_id"
+    t.string   "taggable_type"
+    t.integer  "tagger_id"
+    t.string   "tagger_type"
+    t.string   "context",       :limit => 128
+    t.datetime "created_at"
+  end
+
+  add_index "taggings", ["tag_id"], :name => "index_taggings_on_tag_id"
+  add_index "taggings", ["taggable_id", "taggable_type", "context"], :name => "index_taggings_on_taggable_id_and_taggable_type_and_context"
+  add_index "taggings", ["taggable_type"], :name => "index_taggings_on_taggable_type"
+
+  create_table "tags", :force => true do |t|
+    t.string "name"
+  end
+
+  create_table "teachers", :force => true do |t|
+    t.string   "tea_name"
+    t.string   "location"
+    t.integer  "couurse_time"
+    t.integer  "course_code"
+    t.datetime "created_at",   :null => false
+    t.datetime "updated_at",   :null => false
+    t.string   "extra"
+  end
+
+  create_table "time_entries", :force => true do |t|
+    t.integer  "project_id",  :null => false
+    t.integer  "user_id",     :null => false
+    t.integer  "issue_id"
+    t.float    "hours",       :null => false
+    t.string   "comments"
+    t.integer  "activity_id", :null => false
+    t.date     "spent_on",    :null => false
+    t.integer  "tyear",       :null => false
+    t.integer  "tmonth",      :null => false
+    t.integer  "tweek",       :null => false
+    t.datetime "created_on",  :null => false
+    t.datetime "updated_on",  :null => false
+  end
+
+  add_index "time_entries", ["activity_id"], :name => "index_time_entries_on_activity_id"
+  add_index "time_entries", ["created_on"], :name => "index_time_entries_on_created_on"
+  add_index "time_entries", ["issue_id"], :name => "time_entries_issue_id"
+  add_index "time_entries", ["project_id"], :name => "time_entries_project_id"
+  add_index "time_entries", ["user_id"], :name => "index_time_entries_on_user_id"
+
+  create_table "tokens", :force => true do |t|
+    t.integer  "user_id",                  :default => 0,  :null => false
+    t.string   "action",     :limit => 30, :default => "", :null => false
+    t.string   "value",      :limit => 40, :default => "", :null => false
+    t.datetime "created_on",                               :null => false
+  end
+
+  add_index "tokens", ["user_id"], :name => "index_tokens_on_user_id"
+  add_index "tokens", ["value"], :name => "tokens_value", :unique => true
+
+  create_table "trackers", :force => true do |t|
+    t.string  "name",          :limit => 30, :default => "",    :null => false
+    t.boolean "is_in_chlog",                 :default => false, :null => false
+    t.integer "position",                    :default => 1
+    t.boolean "is_in_roadmap",               :default => true,  :null => false
+    t.integer "fields_bits",                 :default => 0
+  end
+
+  create_table "user_extensions", :force => true do |t|
+    t.integer  "user_id",            :null => false
+    t.date     "birthday"
+    t.string   "brief_introduction"
+    t.integer  "gender"
+    t.string   "location"
+    t.string   "occupation"
+    t.integer  "work_experience"
+    t.integer  "zip_code"
+    t.datetime "created_at",         :null => false
+    t.datetime "updated_at",         :null => false
+    t.string   "technical_title"
+    t.integer  "identity"
+    t.string   "student_id"
+    t.string   "teacher_realname"
+    t.string   "student_realname"
+    t.string   "location_city"
+    t.integer  "school_id"
+  end
+
+  create_table "user_grades", :force => true do |t|
+    t.integer  "user_id",                     :null => false
+    t.integer  "project_id",                  :null => false
+    t.float    "grade",      :default => 0.0
+    t.datetime "created_at",                  :null => false
+    t.datetime "updated_at",                  :null => false
+  end
+
+  add_index "user_grades", ["grade"], :name => "index_user_grades_on_grade"
+  add_index "user_grades", ["project_id"], :name => "index_user_grades_on_project_id"
+  add_index "user_grades", ["user_id"], :name => "index_user_grades_on_user_id"
+
+  create_table "user_levels", :force => true do |t|
+    t.integer "user_id"
+    t.integer "level"
+  end
+
+  create_table "user_preferences", :force => true do |t|
+    t.integer "user_id",   :default => 0,     :null => false
+    t.text    "others"
+    t.boolean "hide_mail", :default => false
+    t.string  "time_zone"
+  end
+
+  add_index "user_preferences", ["user_id"], :name => "index_user_preferences_on_user_id"
+
+  create_table "user_score_details", :force => true do |t|
+    t.integer  "current_user_id"
+    t.integer  "target_user_id"
+    t.string   "score_type"
+    t.string   "score_action"
+    t.integer  "user_id"
+    t.integer  "old_score"
+    t.integer  "new_score"
+    t.integer  "current_user_level"
+    t.integer  "target_user_level"
+    t.integer  "score_changeable_obj_id"
+    t.string   "score_changeable_obj_type"
+    t.datetime "created_at",                :null => false
+    t.datetime "updated_at",                :null => false
+  end
+
+  create_table "user_scores", :force => true do |t|
+    t.integer  "user_id",       :null => false
+    t.integer  "collaboration"
+    t.integer  "influence"
+    t.integer  "skill"
+    t.integer  "active"
+    t.datetime "created_at",    :null => false
+    t.datetime "updated_at",    :null => false
+  end
+
+  create_table "user_statuses", :force => true do |t|
+    t.integer  "changesets_count"
+    t.integer  "watchers_count"
+    t.integer  "user_id"
+    t.datetime "created_at",                        :null => false
+    t.datetime "updated_at",                        :null => false
+    t.float    "grade",            :default => 0.0
+  end
+
+  add_index "user_statuses", ["changesets_count"], :name => "index_user_statuses_on_changesets_count"
+  add_index "user_statuses", ["grade"], :name => "index_user_statuses_on_grade"
+  add_index "user_statuses", ["watchers_count"], :name => "index_user_statuses_on_watchers_count"
+
+  create_table "users", :force => true do |t|
+    t.string   "login",                           :default => "",    :null => false
+    t.string   "hashed_password",   :limit => 40, :default => "",    :null => false
+    t.string   "firstname",         :limit => 30, :default => "",    :null => false
+    t.string   "lastname",                        :default => "",    :null => false
+    t.string   "mail",              :limit => 60, :default => "",    :null => false
+    t.boolean  "admin",                           :default => false, :null => false
+    t.integer  "status",                          :default => 1,     :null => false
+    t.datetime "last_login_on"
+    t.string   "language",          :limit => 5,  :default => ""
+    t.integer  "auth_source_id"
+    t.datetime "created_on"
+    t.datetime "updated_on"
+    t.string   "type"
+    t.string   "identity_url"
+    t.string   "mail_notification",               :default => "",    :null => false
+    t.string   "salt",              :limit => 64
+  end
+
+  add_index "users", ["auth_source_id"], :name => "index_users_on_auth_source_id"
+  add_index "users", ["id", "type"], :name => "index_users_on_id_and_type"
+  add_index "users", ["type"], :name => "index_users_on_type"
+
+  create_table "versions", :force => true do |t|
+    t.integer  "project_id",      :default => 0,      :null => false
+    t.string   "name",            :default => "",     :null => false
+    t.string   "description",     :default => ""
+    t.date     "effective_date"
+    t.datetime "created_on"
+    t.datetime "updated_on"
+    t.string   "wiki_page_title"
+    t.string   "status",          :default => "open"
+    t.string   "sharing",         :default => "none", :null => false
+  end
+
+  add_index "versions", ["project_id"], :name => "versions_project_id"
+  add_index "versions", ["sharing"], :name => "index_versions_on_sharing"
+
+  create_table "watchers", :force => true do |t|
+    t.string  "watchable_type", :default => "", :null => false
+    t.integer "watchable_id",   :default => 0,  :null => false
+    t.integer "user_id"
+  end
+
+  add_index "watchers", ["user_id", "watchable_type"], :name => "watchers_user_id_type"
+  add_index "watchers", ["user_id"], :name => "index_watchers_on_user_id"
+  add_index "watchers", ["watchable_id", "watchable_type"], :name => "index_watchers_on_watchable_id_and_watchable_type"
+
+  create_table "web_footer_companies", :force => true do |t|
+    t.string   "name"
+    t.string   "logo_size"
+    t.string   "url"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  create_table "web_footer_oranizers", :force => true do |t|
+    t.string   "name"
+    t.text     "description"
+    t.datetime "created_at",  :null => false
+    t.datetime "updated_at",  :null => false
+  end
+
+  create_table "wiki_content_versions", :force => true do |t|
+    t.integer  "wiki_content_id",                                       :null => false
+    t.integer  "page_id",                                               :null => false
+    t.integer  "author_id"
+    t.binary   "data",            :limit => 2147483647
+    t.string   "compression",     :limit => 6,          :default => ""
+    t.string   "comments",                              :default => ""
+    t.datetime "updated_on",                                            :null => false
+    t.integer  "version",                                               :null => false
+  end
+
+  add_index "wiki_content_versions", ["updated_on"], :name => "index_wiki_content_versions_on_updated_on"
+  add_index "wiki_content_versions", ["wiki_content_id"], :name => "wiki_content_versions_wcid"
+
+  create_table "wiki_contents", :force => true do |t|
+    t.integer  "page_id",                                          :null => false
+    t.integer  "author_id"
+    t.text     "text",       :limit => 2147483647
+    t.string   "comments",                         :default => ""
+    t.datetime "updated_on",                                       :null => false
+    t.integer  "version",                                          :null => false
+  end
+
+  add_index "wiki_contents", ["author_id"], :name => "index_wiki_contents_on_author_id"
+  add_index "wiki_contents", ["page_id"], :name => "wiki_contents_page_id"
+
+  create_table "wiki_pages", :force => true do |t|
+    t.integer  "wiki_id",                       :null => false
+    t.string   "title",                         :null => false
+    t.datetime "created_on",                    :null => false
+    t.boolean  "protected",  :default => false, :null => false
+    t.integer  "parent_id"
+  end
+
+  add_index "wiki_pages", ["parent_id"], :name => "index_wiki_pages_on_parent_id"
+  add_index "wiki_pages", ["wiki_id", "title"], :name => "wiki_pages_wiki_id_title"
+  add_index "wiki_pages", ["wiki_id"], :name => "index_wiki_pages_on_wiki_id"
+
+  create_table "wiki_redirects", :force => true do |t|
+    t.integer  "wiki_id",      :null => false
+    t.string   "title"
+    t.string   "redirects_to"
+    t.datetime "created_on",   :null => false
+  end
+
+  add_index "wiki_redirects", ["wiki_id", "title"], :name => "wiki_redirects_wiki_id_title"
+  add_index "wiki_redirects", ["wiki_id"], :name => "index_wiki_redirects_on_wiki_id"
+
+  create_table "wikis", :force => true do |t|
+    t.integer "project_id",                :null => false
+    t.string  "start_page",                :null => false
+    t.integer "status",     :default => 1, :null => false
+  end
+
+  add_index "wikis", ["project_id"], :name => "wikis_project_id"
+
+  create_table "workflows", :force => true do |t|
+    t.integer "tracker_id",                  :default => 0,     :null => false
+    t.integer "old_status_id",               :default => 0,     :null => false
+    t.integer "new_status_id",               :default => 0,     :null => false
+    t.integer "role_id",                     :default => 0,     :null => false
+    t.boolean "assignee",                    :default => false, :null => false
+    t.boolean "author",                      :default => false, :null => false
+    t.string  "type",          :limit => 30
+    t.string  "field_name",    :limit => 30
+    t.string  "rule",          :limit => 30
+  end
+
+  add_index "workflows", ["new_status_id"], :name => "index_workflows_on_new_status_id"
+  add_index "workflows", ["old_status_id"], :name => "index_workflows_on_old_status_id"
+  add_index "workflows", ["role_id", "tracker_id", "old_status_id"], :name => "wkfs_role_tracker_old_status"
+  add_index "workflows", ["role_id"], :name => "index_workflows_on_role_id"
+
+  create_table "works_categories", :force => true do |t|
+    t.string   "category"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  create_table "zip_packs", :force => true do |t|
+    t.integer  "user_id"
+    t.integer  "homework_id"
+    t.string   "file_digest"
+    t.string   "file_path"
+    t.integer  "pack_times",   :default => 1
+    t.integer  "pack_size",    :default => 0
+    t.string   "file_digests"
+    t.datetime "created_at",                  :null => false
+    t.datetime "updated_at",                  :null => false
+  end
+
+end
diff --git a/lib/tasks/email.rake b/lib/tasks/email.rake
index 934070e54..efd3efdd8 100644
--- a/lib/tasks/email.rake
+++ b/lib/tasks/email.rake
@@ -194,5 +194,13 @@ END_DESC
         abort l(:notice_email_error, e.message)
       end
     end
+
+    desc "send a email for day"
+    task :day => :environment do
+      users = User.where(mail_notification: 'day')
+      users.each do |user|
+        Mailer.run.send_for_user_activities(user, Date.today, 1)
+      end
+    end
   end
 end
diff --git a/lib/trustie.rb b/lib/trustie.rb
new file mode 100644
index 000000000..ff70d118c
--- /dev/null
+++ b/lib/trustie.rb
@@ -0,0 +1 @@
+require 'trustie/utils'
\ No newline at end of file
diff --git a/lib/trustie/utils.rb b/lib/trustie/utils.rb
new file mode 100644
index 000000000..a152a869a
--- /dev/null
+++ b/lib/trustie/utils.rb
@@ -0,0 +1,20 @@
+#coding=utf-8
+
+module Trustie
+  module Utils
+    def self.digest(diskfile)
+      md5 = Digest::MD5.new
+      File.open(diskfile, "rb") do |f|
+        buffer = ""
+        while (buffer = f.read(8192))
+          md5.update(buffer)
+        end
+      end
+      md5.hexdigest
+    end
+  end
+end
+
+if __FILE__ == $0
+  puts Trustie::Utils.digest('/Users/guange/Downloads/QQ_V4.0.2.dmg')
+end
\ No newline at end of file
diff --git a/public/stylesheets/css.css b/public/stylesheets/css.css
index f311d3100..6c7f533ac 100644
--- a/public/stylesheets/css.css
+++ b/public/stylesheets/css.css
@@ -38,7 +38,7 @@ a:hover.tb_all{ background:#eaeaea; text-decoration:none;}
 .pic_head a{ text-align:center; width:42px; overflow:hidden;text-overflow:ellipsis; white-space:nowrap;}
 .pic_head img{ border:1px solid #fff;}
 .pic_head img:hover{border:1px solid #15bccf;}
-.dis ul li.wname a{ width:360px; font-size:14px; color:#595959; padding:15px 0 0 0px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;}
+.dis ul li.wname a{ width:260px; font-size:14px; color:#595959; padding:15px 0 0 0px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;}
 .dis ul li.wdown a{padding-top:22px; color:#3d7ec2; margin-right:35px;}
 .wscore{ padding-top:22px; color:#888888; width:96px;}
 .dis ul li.wping{margin-left:12px; }
diff --git a/script/delayed_job b/script/delayed_job
new file mode 100644
index 000000000..edf195985
--- /dev/null
+++ b/script/delayed_job
@@ -0,0 +1,5 @@
+#!/usr/bin/env ruby
+
+require File.expand_path(File.join(File.dirname(__FILE__), '..', 'config', 'environment'))
+require 'delayed/command'
+Delayed::Command.new(ARGV).daemonize