diff --git a/Gemfile b/Gemfile
index 3784e60d8..9dae2827c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -14,7 +14,7 @@ gem "i18n", "~> 0.6.0"
 gem "coderay", "~> 1.0.6"
 gem "fastercsv", "~> 1.5.0", :platforms => [:mri_18, :mingw_18, :jruby]
 gem "builder", "3.0.0"
-gem 'acts-as-taggable-on'
+gem 'acts-as-taggable-on', '2.4.1'
 
 group :development do
   gem 'better_errors', path: 'lib/better_errors'
diff --git a/Gemfile.lock b/Gemfile.lock
index 6680070a7..e6ee7da71 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -134,7 +134,7 @@ PLATFORMS
 DEPENDENCIES
   activerecord-jdbc-adapter (= 1.2.5)
   activerecord-jdbcmysql-adapter
-  acts-as-taggable-on
+  acts-as-taggable-on (= 2.4.1)
   better_errors!
   builder (= 3.0.0)
   coderay (~> 1.0.6)
diff --git a/ReadMe.txt b/ReadMe.txt
index 9d223259a..0fcba47c0 100644
--- a/ReadMe.txt
+++ b/ReadMe.txt
@@ -44,4 +44,10 @@ app\controller\welcome_controller.rb
       return 0
     end
   end
-================================================================================
\ No newline at end of file
+================================================================================
+
+================================================================================
+0606：新坑
+user_scores表结构有问题，需要运行
+bundle exec rake db:migrate:down VERSION=20140410021724
+bundle exec rake db:migrate:up VERSION=20140410021724
\ No newline at end of file
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index a25b346ca..4b877818b 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -264,6 +264,14 @@ class ApplicationController < ActionController::Base
     render_404
   end
 
+  #根据course_id找project
+  def find_project_by_course_id
+    @bid = Bid.find params[:course_id]
+    @project = @bid.courses[0]
+  rescue ActiveRecord::RecordNotFound
+    render_404
+  end
+
   # Find a project based on params[:project_id]
   # TODO: some subclasses override this, see about merging their logic
   def find_optional_project
diff --git a/app/controllers/bids_controller.rb b/app/controllers/bids_controller.rb
index db2ea9249..93bb1d9e9 100644
--- a/app/controllers/bids_controller.rb
+++ b/app/controllers/bids_controller.rb
@@ -25,7 +25,14 @@ class BidsController < ApplicationController
   helper :projects
   helper :words
   helper :welcome
-  
+
+  def find_project_by_bid_id
+    @bid = Bid.find(params[:id])
+    @project = @bid.courses[0]
+  rescue ActiveRecord::RecordNotFound
+    render_404
+  end
+
   def homework_ajax_modal
     @bid = Bid.find_by_id(params[:id])
     # find_bid
@@ -410,9 +417,7 @@ class BidsController < ApplicationController
       @homework = HomeworkAttach.new
       #@homework_list = @bid.homeworks
       #增加作业按评分排序，
-      @homework_list = HomeworkAttach.find_by_sql("SELECT homework_attaches.*,
-        (SELECT AVG(stars) FROM seems_rateable_rates WHERE rateable_type = 'HomeworkAttach' AND rateable_id = homework_attaches.id) AS score
-        FROM homework_attaches WHERE bid_id = #{@bid.id} ORDER BY score DESC,created_at ASC",:include => [:attachments])
+      @homework_list = @bid.homeworks.eager_load(:rate_averages, :user, :attachments).order('seems_rateable_cached_ratings.avg DESC')
       if params[:student_id].present?
         @temp = []
         @homework_list.each do |pro|
@@ -528,6 +533,7 @@ class BidsController < ApplicationController
         message = params[:bid_message][:message] + "\n" + params[:reference_content]
       else
         message = params[:bid_message][:message]
+        @m = message
       end
       refer_user_id = params[:bid_message][:reference_user_id].to_i
       @bid.add_jour(User.current, message, refer_user_id)
diff --git a/app/controllers/contests_controller.rb b/app/controllers/contests_controller.rb
index b51a11436..c89fef5a6 100644
--- a/app/controllers/contests_controller.rb
+++ b/app/controllers/contests_controller.rb
@@ -210,11 +210,14 @@ class ContestsController < ApplicationController
     # @contesting_project_pages = Paginator.new @contesting_project_count, per_page_option, params['page']
     @membership.each do |membership|
       unless(membership.project.project_type==1)
-        membership.member_roles.each{|role|
-          if(role.role_id == 3)
-          @option << membership.project
-          end
-        }
+        #membership.member_roles.each{|role|
+        #  if(role.role_id == 3)
+        #  @option << membership.project
+        #  end
+        #}
+        if User.current.allowed_to?({:controller => "projects", :action => "edit"}, membership.project, :global => false)
+            @option << membership.project
+        end
       end
     end
     @user = @contest.author
@@ -301,11 +304,15 @@ class ContestsController < ApplicationController
     # @contesting_project_pages = Paginator.new @contesting_project_count, per_page_option, params['page']
     @membership.each do |membership|
       unless(membership.project.project_type==1)
-        membership.member_roles.each{|role|
-          if(role.role_id == 3)
+        #membership.member_roles.each{|role|
+          #if(role.role_id == 3)
+          #@option << membership.project
+          #end
+        #}
+        #拥有编辑项目权限的可将该项目参赛
+        if User.current.allowed_to?({:controller => "projects", :action => "edit"}, membership.project, :global => false)
           @option << membership.project
-          end
-        }
+        end
       end
     end
     @user = @contest.author
diff --git a/app/controllers/homework_attach_controller.rb b/app/controllers/homework_attach_controller.rb
index 074a6d91f..c4c1f8922 100644
--- a/app/controllers/homework_attach_controller.rb
+++ b/app/controllers/homework_attach_controller.rb
@@ -1,5 +1,23 @@
 class HomeworkAttachController < ApplicationController
   ###############################
+  #判断当前角色权限时需先找到当前操作的project
+  before_filter :find_project_by_bid_id, :only => [:new]
+  before_filter :find_project_by_hoemwork_id, :only => [:edit,:update,:destroy]
+  #判断当前角色是否有操作权限
+  #勿删 before_filter :authorize, :only => [:new,:edit,:update,:destroy]
+
+  def find_project_by_bid_id
+    @bid = Bid.find(params[:id])
+    @project = @bid.courses[0]
+  rescue ActiveRecord::RecordNotFound
+    render_404
+  end
+
+  def find_project_by_hoemwork_id
+    @homework = HomeworkAttach.find(params[:id])
+    @project = @homework.bid.courses[0]
+  end
+
   def index
     @homeworks = HomeworkAttach.all
     respond_to do |format|
diff --git a/app/controllers/projects_controller.rb b/app/controllers/projects_controller.rb
index 16d9d71d4..ad3dc3dca 100644
--- a/app/controllers/projects_controller.rb
+++ b/app/controllers/projects_controller.rb
@@ -37,6 +37,7 @@ class ProjectsController < ApplicationController
   # before_filter :authorize, :except => [:new_join, :new_homework, :homework, :statistics, :search, :watcherlist, :index, :list, :new, :create, :copy, :archive, :unarchive, :destroy, :member, :focus, :file, 
   #               :statistics, :feedback, :course, :enterprise_course, :course_enterprise, :project_respond, :share,
   #               :show_projects_score, :issue_score_index, :news_score_index, :file_score_index, :code_submit_score_index, :projects_topic_score_index]
+  #此条勿删 课程相关权限  ,:new_homework,:homework,:feedback,,:member
   before_filter :authorize, :only => [:show, :settings, :edit, :sort_project_members, :update, :modules, :close, :reopen,:view_homework_attaches,:course]
   before_filter :authorize_global, :only => [:new, :create,:view_homework_attaches]
   before_filter :require_admin, :only => [ :copy, :archive, :unarchive, :destroy, :calendar]
@@ -721,6 +722,9 @@ class ProjectsController < ApplicationController
       @teachers= searchTeacherAndAssistant(@project)
       @canShowRealName = isCourseTeacher(User.current.id)
     end
+
+    #勿删 real_name action为虚拟的该方法并不存在，用来辅助判断真名权限
+    #勿删 @canShowRealName = User.current.allowed_to?({:controller => "projects", :action => "real_name"}, @project || @projects, :global => false)
     respond_to do |format|
       format.html{render :layout => 'base_courses' if @base_courses_tag==1}
       format.api
diff --git a/app/controllers/softapplications_controller.rb b/app/controllers/softapplications_controller.rb
index b8d81b108..362a04f57 100644
--- a/app/controllers/softapplications_controller.rb
+++ b/app/controllers/softapplications_controller.rb
@@ -108,11 +108,16 @@ class SoftapplicationsController < ApplicationController
     # @contesting_project_pages = Paginator.new @contesting_project_count, per_page_option, params['page']
     @membership.each do |membership|
       unless(membership.project.project_type==1)
-        membership.member_roles.each{|role|
-          if(role.role_id == 3)
+        #membership.member_roles.each{|role|
+        #  if(role.role_id == 3)
+        #  @option << membership.project
+        #  end
+        #}
+
+        #拥有编辑项目权限的可操作该项目
+        if User.current.allowed_to?({:controller => "projects", :action => "edit"}, membership.project, :global => false)
           @option << membership.project
-          end
-        }
+        end
       end
     end
     
diff --git a/app/controllers/zipdown_controller.rb b/app/controllers/zipdown_controller.rb
index b3d093f7a..b1a245dd1 100644
--- a/app/controllers/zipdown_controller.rb
+++ b/app/controllers/zipdown_controller.rb
@@ -1,7 +1,21 @@
 class ZipdownController < ApplicationController
+  #查找项目（课程）
+  before_filter :find_project_by_bid_id, :only => [:assort,:download_user_homework]
+  #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"
 
+  #通过作业Id找到项目（课程）
+  def find_project_by_bid_id
+    obj_class = params[:obj_class]
+    obj_id = params[:obj_id]
+    obj = obj_class.constantize.find(obj_id)
+    case obj.class.to_s.to_sym
+      when :Bid
+        @project = obj.courses[0]
+    end
+  end
   def assort
     obj_class = params[:obj_class]
     obj_id = params[:obj_id]
diff --git a/app/helpers/bids_helper.rb b/app/helpers/bids_helper.rb
index 8b03d74cd..a41867c64 100644
--- a/app/helpers/bids_helper.rb
+++ b/app/helpers/bids_helper.rb
@@ -157,13 +157,24 @@ module BidsHelper
   end
   #当前用户是不是指定课程的学生
   def is_cur_course_student? course
-  people = []
-  course.members.each do |member|
-    if [5,10].include? member.roles.first.id
-      people <<  member.user
+  #people = []
+  #course.members.includes(:user, :roles).each do |member|
+  #  if [5,10].include? member.roles.first.id
+  #    people <<  member.user
+  #  end
+  #end
+  #people.include?(User.current)
+  #修改：能新建占位且不能新建任务的角色判定为学生
+  is_student = false
+  @membership = User.current.memberships.all(:conditions => Project.visible_condition(User.current))
+  @membership.each do |membership|
+    unless(membership.project.project_type==0)
+      if !User.current.allowed_to?({:controller => "projects", :action => "new_homework"}, membership.project, :global => false) && User.current.allowed_to?({:controller => "homework_attach", :action => "new"}, membership.project, :global => false)
+        is_student = true
+      end
     end
   end
-  people.include?(User.current)
+  is_student
   end
 
   # def select_option_helper option
diff --git a/app/helpers/courses_helper.rb b/app/helpers/courses_helper.rb
index cc207e845..924e19447 100644
--- a/app/helpers/courses_helper.rb
+++ b/app/helpers/courses_helper.rb
@@ -137,12 +137,47 @@ module CoursesHelper
     Course.find_by_extra(try(extra))
   end
   #判断制定用户是不是当前课程的老师
-  def is_course_teacher user,course
-    searchPeopleByRoles(course, TeacherRoles).include?(user)
+  def is_course_teacher (user,course)
+    #people = []
+    #course.members.includes(:roles, :user).each do |member|
+    #  role_id = member.roles.first.id
+    #  if TeacherRoles.include? role_id
+    #    people <<  member.user
+    #  end
+    #end
+    #people.include?(user)
+    #修改为根据用户是否有发布任务的权限来判断用户是否是课程的老师
+    is_teacher = false
+    @membership = user.memberships.all(:conditions => Project.visible_condition(User.current))
+    @membership.each do |membership|
+      unless(membership.project.project_type==0)
+        if user.allowed_to?({:controller => "projects", :action => "new_homework"}, membership.project, :global => false)
+          is_teacher = true
+        end
+      end
+    end
+    is_teacher
   end
   #当前用户是不是指定课程的学生
   def is_cur_course_student? course
-    searchPeopleByRoles(course, StudentRoles).include?(User.current)
+    #people = []
+    #course.members.includes(:roles, :user).each do |member|
+    #  if StudentRoles.include? member.roles.first.id
+    #    people <<  member.user
+    #  end
+    #end
+    #people.include?(User.current)
+    #修改：能新建占位且不能新建任务的角色判定为学生
+    is_student = false
+    @membership = User.current.memberships.all(:conditions => Project.visible_condition(User.current))
+    @membership.each do |membership|
+      unless(membership.project.project_type==0)
+        if !User.current.allowed_to?({:controller => "projects", :action => "new_homework"}, membership.project, :global => false) && User.current.allowed_to?({:controller => "homework_attach", :action => "new"}, membership.project, :global => false)
+          is_student = true
+        end
+      end
+    end
+    is_student
   end
   #获取当前用户在指定作业下提交的作业的集合
   def cur_user_homework_for_bid bid
diff --git a/app/helpers/shares_helper.rb b/app/helpers/shares_helper.rb
index f2cbc6ab9..9e0828133 100644
--- a/app/helpers/shares_helper.rb
+++ b/app/helpers/shares_helper.rb
@@ -4,11 +4,15 @@ def options_from_select_project(user)
   @option = []
     @membership.each do |membership|
       unless(membership.project.project_type==1)
-        membership.member_roles.each{|role|
-          if(role.role_id == 3)
+        #membership.member_roles.each{|role|
+        #  if(role.role_id == 3)
+        #  @option << membership.project
+        #  end
+        #}
+        #拥有编辑项目权限的可操作该项目
+        if user.allowed_to?({:controller => "projects", :action => "edit"}, membership.project, :global => false)
           @option << membership.project
-          end
-        }
+        end
       end
     end
   options_for_select(@option)
diff --git a/app/helpers/user_score_helper.rb b/app/helpers/user_score_helper.rb
index d9ab8730a..3101b823c 100644
--- a/app/helpers/user_score_helper.rb
+++ b/app/helpers/user_score_helper.rb
@@ -228,12 +228,21 @@ module UserScoreHelper
     isManager = 0
     members = Member.where('user_id = ?', user.id)
     members.each do |m|
-      roles = m.member_roles
-      roles.each do |r|
-        if r.role_id == 3
+      #roles = m.member_roles
+      #roles.each do |r|
+      #  if r.role_id == 3
+      #    isManager = 1
+      #  end
+      #end
+      @membership = m.memberships.all(:conditions => Project.visible_condition(User.current))
+      @membership.each do |membership|
+        #拥有编辑项目权限的可操作该项目
+        if m.allowed_to?({:controller => "projects", :action => "edit"}, membership.project, :global => false)
           isManager = 1
         end
       end
+
+
     end
     
     level = 0
diff --git a/app/models/attachment.rb b/app/models/attachment.rb
index aff63439e..b2a7cfb08 100644
--- a/app/models/attachment.rb
+++ b/app/models/attachment.rb
@@ -56,6 +56,7 @@ class Attachment < ActiveRecord::Base
   @@thumbnails_storage_path = File.join(Rails.root, "tmp", "thumbnails")
 
   before_save :files_to_final_location
+  before_save :be_user_score # user_score
   after_destroy :delete_from_disk
 
   # Returns an unsaved copy of the attachment
@@ -361,4 +362,17 @@ class Attachment < ActiveRecord::Base
     end
     "#{timestamp}_#{ascii}"
   end
+
+
+  # update user score
+  def be_user_score
+    if self.container_id_changed?
+      type = self.container_type
+      types = %w|Document News Version Project Issue Message WikiPage|
+      if types.include?(type)
+        UserScore.project(:push_file, User.current, { attachment_id: self.id })
+      end
+    end
+  end
+
 end
diff --git a/app/models/changeset.rb b/app/models/changeset.rb
index e3e7ac705..93248850b 100644
--- a/app/models/changeset.rb
+++ b/app/models/changeset.rb
@@ -18,6 +18,9 @@
 class Changeset < ActiveRecord::Base
   belongs_to :repository
   belongs_to :user
+
+  after_save :be_user_score # user_score
+
   has_many :filechanges, :class_name => 'Change', :dependent => :delete_all
   # fq
   has_many :acts, :class_name => 'Activity', :as => :act, :dependent => :destroy
@@ -292,4 +295,14 @@ class Changeset < ActiveRecord::Base
   def self.to_utf8(str, encoding)
     Redmine::CodesetUtil.to_utf8(str, encoding)
   end
+
+  private
+
+  # update user score
+  def be_user_score
+    if self.new_record?
+      UserScore.project(:push_code, self.user, { changeset_id: self.id })
+    end
+  end
+
 end
diff --git a/app/models/document.rb b/app/models/document.rb
index 0c2ce1736..5e3df4bf7 100644
--- a/app/models/document.rb
+++ b/app/models/document.rb
@@ -19,6 +19,10 @@ class Document < ActiveRecord::Base
   include Redmine::SafeAttributes
   belongs_to :project
   belongs_to :category, :class_name => "DocumentCategory", :foreign_key => "category_id"
+
+  before_save :be_user_score # user_score
+
+
   acts_as_attachable :delete_permission => :delete_documents
 
   acts_as_searchable :columns => ['title', "#{table_name}.description"], :include => :project
@@ -54,4 +58,11 @@ class Document < ActiveRecord::Base
     end
     @updated_on
   end
+
+  # update user score
+  def be_user_score
+    if self.new_record?
+      UserScore.project(:push_document, User.current, { document_id: self.id })
+    end
+  end
 end
diff --git a/app/models/issue.rb b/app/models/issue.rb
index 7e899eafc..5c1fb8173 100644
--- a/app/models/issue.rb
+++ b/app/models/issue.rb
@@ -77,6 +77,8 @@ class Issue < ActiveRecord::Base
   
   # fq
   after_create :act_as_activity
+  before_save :be_user_score
+  # after_create :be_user_score
   # end
   
   delegate :notes, :notes=, :private_notes, :private_notes=, :to => :current_journal, :allow_nil => true
@@ -1484,4 +1486,14 @@ class Issue < ActiveRecord::Base
                                                 and #{visible_condition(User.current, :project => project)}
                                               group by s.id, s.is_closed, j.id")
   end
+
+  # update user score
+  def be_user_score
+    if self.new_record?
+      UserScore.project(:post_issue, User.current, { issue_id: self.id })
+    elsif self.done_ratio_changed?
+      UserScore.project(:update_issue_ratio, User.current, { issue_id: self.id })
+    end
+  end
+
 end
diff --git a/app/models/mailer.rb b/app/models/mailer.rb
index bb7a2424f..e954f03c8 100644
--- a/app/models/mailer.rb
+++ b/app/models/mailer.rb
@@ -51,7 +51,7 @@ class Mailer < ActionMailer::Base
              when :User
                user_newfeedback_user_url(journals_for_message.jour, anchor: "word_li_#{journals_for_message.id}")
              else
-               logger.error "[Builds a Mail::Message ERROR] journalsForMessage's jour is unkown type, journalsForMessage.id = #{journals_for_message.id}"
+               Rails.logger.error "[Builds a Mail::Message ERROR] journalsForMessage's jour is unkown type, journalsForMessage.id = #{journals_for_message.id}"
                return -1
            end
     #如果是直接留言并且留言对象是Project并且Project类型是课程
@@ -70,7 +70,12 @@ class Mailer < ActionMailer::Base
       end
       mail :to => @recipients,
            :subject => "#{l(:label_your_course)}#{journals_for_message.jour.name}#{l(:label_have_message)} "
-    else
+    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 => journals_for_message.jour.author.mail, :subject => @title
+      else
       mail :to => @mail.mail, :subject => @title
     end
 
diff --git a/app/models/message.rb b/app/models/message.rb
index 2421a7d4f..c266d9a8c 100644
--- a/app/models/message.rb
+++ b/app/models/message.rb
@@ -54,6 +54,7 @@ class Message < ActiveRecord::Base
   
   # fq
   after_create :act_as_activity
+  before_save :be_user_score
   # end
 
   scope :visible, lambda {|*args|
@@ -121,4 +122,11 @@ class Message < ActiveRecord::Base
     self.acts << Activity.new(:user_id => self.author_id)
   end
   # end
+
+  # update user score
+  def be_user_score
+    if self.new_record?
+      UserScore.joint(:post_message, User.current,nil, { message_id: self.id })
+    end
+  end
 end
diff --git a/app/models/user.rb b/app/models/user.rb
index d79cf11e1..331ff6993 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -137,7 +137,7 @@ class User < Principal
   has_one :user_extensions,:dependent => :destroy
   ## end
 
-  #default_scope -> { includes(:user_extensions, :user_score) }
+  # default_scope -> { includes(:user_extensions, :user_score) }
   scope :teacher, -> {
     joins(:user_extensions).where('user_extensions.identity = ?', UserExtensions::TEACHER)
   }
@@ -201,6 +201,7 @@ class User < Principal
 
   # ======================================================================
   # 集中处理 User 扩展表为空的问题
+  # 合并 user_score 属性
   validate :valid_user_extensions
   after_save :save_user_extensions
 
@@ -208,21 +209,32 @@ class User < Principal
     self.user_extensions ||= UserExtensions.new
   end
 
+  def user_score_attr
+    self.user_score ||= UserScore.new
+  end
+
+  alias_method :ori_respond_to?, :respond_to?
   def respond_to?(m, include_private = false)
-    flag = UserExtensions.instance_methods.include? m.to_sym
-    if flag
-      flag
-    else
-      super
-    end
+    flag = false
+    flag = ori_respond_to? m.to_sym unless flag
+    flag = UserExtensions.new.respond_to? m.to_sym unless flag
+    flag = UserScore.new.respond_to? m.to_sym  unless flag
+
+    flag
   end
 
   def method_missing m, *args, &block
     if extensions.respond_to? m.to_sym
-      self.class.send :define_method, m.to_sym, *args do
+      self.class.send(:define_method, "_meta_#{m}".to_sym) do |*args, &block|
         self.extensions.__send__ m.to_sym, *args
       end
-      __send__ m.to_sym, *args, &block
+      __send__ "_meta_#{m}".to_sym, *args, &block
+
+    elsif user_score_attr.respond_to? m.to_sym
+       self.class.send(:define_method, "_meta_#{m}".to_sym) do |*args, &block|
+        self.user_score_attr.__send__ m.to_sym, *args
+      end
+      __send__ "_meta_#{m}".to_sym, *args, &block
 
     else
       super
@@ -241,6 +253,7 @@ class User < Principal
 
   def save_user_extensions
     self.extensions.save
+    self.user_score_attr.save
   end
   # 集中处理 User 扩展表为空的问题 < end
   # ======================================================================
diff --git a/app/models/user_score.rb b/app/models/user_score.rb
index f383d6670..3857eaec4 100644
--- a/app/models/user_score.rb
+++ b/app/models/user_score.rb
@@ -33,4 +33,154 @@ class UserScore < ActiveRecord::Base
   def self.find_min_issue
     self.minimum(:file)
   end
+  # 以上类方法目测没用，反正也报错
+  # ===============================================================================
+
+  # 前略·协同得分
+  # operate      - 更新操作 类型 symbol
+  # user         - 计分用户
+  #
+  # Examples
+  #   
+  #   UserScore.joint(:post_message, User.current, nil)
+  #   # => true #当前用户发帖计分操作成功
+  #
+  # Returns boolean. 返回积分保存结果
+  def self.joint(operate, current_user, target_user, options={})
+    current_user, target_user = get_users(current_user, target_user)
+    user_score = current_user.user_score_attr
+    case operate 
+      when :post_message            # current_user 发帖了
+        user_score.collaboration = user_score.collaboration.to_i + 2
+        user_score.save
+        Rails.logger.info "[UserScore#joint] ===> User: #{current_user} posting a message. options => (#{options.to_s})"
+      when :post_issue              # current_user 对 target_user 的缺陷留言了
+        user_score.collaboration = user_score.collaboration.to_i + 1
+        user_score.save
+      Rails.logger.info "[UserScore#joint] ===> User: #{current_user} posting a issue. options => (#{options.to_s})"
+      when :change_issue_status     # current_user 更改了缺陷的状态
+        user_score.collaboration = user_score.collaboration.to_i + 1
+        user_score.save
+      Rails.logger.info "[UserScore#joint] ===> User: #{current_user} change issue status. options => (#{options.to_s})"
+      when :reply_message           # current_user 对 target_user 留言的回复
+        user_score.collaboration = user_score.collaboration.to_i + 1
+        user_score.save
+      Rails.logger.info "[UserScore#joint] ===> User: #{current_user} reply message. options => (#{options.to_s})"
+      when :reply_posting           # current_user 对 target_user 帖子的回复
+        user_score.collaboration = user_score.collaboration.to_i + 1
+        user_score.save
+      Rails.logger.info "[UserScore#joint] ===> User: #{current_user} reply posting. options => (#{options.to_s})"
+    else
+      Rails.logger.error "[UserScore#joint] ===> #{operate} is not define."
+      return false
+    end
+  rescue => e
+    Rails.logger.error "[UserScore#joint] ===> Exception: #{e}."
+  end
+
+  # 前略·影响力得分
+  # operate      - 更新操作 类型 symbol
+  # user         - 计分用户
+  #
+  # Examples
+  #   
+  #   UserScore.influence(:followed_by, user)
+  #   # => true #当前被关注用户记分成功
+  #
+  # Returns boolean. 返回积分保存结果
+  def self.influence(operate, current_user, target_user, options={})
+    current_user, target_user = get_users(current_user, target_user)
+    user_score = current_user.user_score_attr
+    case operate 
+      when :followed_by # current_user 关注了target_user
+        user_score.active = user_score.influence.to_i + 2
+        user_score.save
+      Rails.logger.info "[UserScore#influence] ===> User: #{current_user} be followed. options => (#{options.to_s})"
+    else
+      Rails.logger.error "[UserScore#influence] ===> #{operate} is not define."
+      return false
+    end
+  rescue => e
+    Rails.logger.error "[UserScore#influence] ===> Exception: #{e}."
+  end
+
+  # 前略·技术得分
+  # operate      - 更新操作 类型 symbol
+  # user         - 计分用户
+  #
+  # Examples
+  #   
+  #   UserScore.skill(:followed_by, current_user, target_user)
+  #   # => true #当前current_user对target_user用户帖子的记分成功
+  #
+  # Returns boolean. 返回积分保存结果
+  def self.skill(operate, current_user, target_user, options={})
+    current_user, target_user = get_users(current_user, target_user)
+    user_score = current_user.user_score_attr
+    case operate 
+    # when :treading          # current_user 踩了 target_user 的帖子
+    #   Rails.logger.info "[UserScore#skill] ===> User: #{current_user} treading #{target_user}'s posting. options => (#{options.to_s})"
+    when :treaded_by_user   # current_user 踩了 target_user 的帖子
+      Rails.logger.info "[UserScore#skill] ===> User: #{current_user} treaded_by #{target_user}. options => (#{options.to_s})"
+    when :praised_by_user    # current_user 顶了 target_user 的帖子
+      Rails.logger.info "[UserScore#skill] ===> User: #{current_user} praised_by #{target_user}. options => (#{options.to_s})"
+    else
+      Rails.logger.error "[UserScore#skill] ===> #{operate} is not define."
+      return false
+    end
+  rescue => e
+    Rails.logger.error "[UserScore#skill] ===> Exception: #{e}."
+  end
+
+  # 前略·项目得分
+  # operate      - 更新操作 类型 symbol
+  # user         - 计分用户
+  #
+  # Examples
+  #   
+  #   UserScore.project(:pull_code, current_user)
+  #   # => true #当前current_user对项目贡献积分成功
+  #
+  # Returns boolean. 返回积分保存结果
+  def self.project(operate, current_user, options={})
+    current_user, target_user = get_users(current_user, nil)
+    user_score = current_user.try(:user_score_attr)
+    return false if current_user.nil?
+    case operate 
+    when :push_code         # current_user 提交了代码
+      user_score = user_score.active.to_i + 4
+      user_score.save
+      Rails.logger.debug "[UserScore#project] ===> User: [#{current_user.id},#{current_user.name}] pushed code one time. options => (#{options.to_s})"
+    when :push_document     # current_user 
+      user_score.active = user_score.active.to_i + 4
+      user_score.save
+      Rails.logger.debug "[UserScore#project] ===> User: [#{current_user.id},#{current_user.name}] pushed a document. options => (#{options.to_s})"
+    when :push_file         # current_user
+      user_score.active = user_score.active.to_i + 4
+      user_score.save
+      Rails.logger.debug "[UserScore#project] ===> User: [#{current_user.id},#{current_user.name}] pushed a file. options => (#{options.to_s})"
+    when :update_issue_ratio      # current_user
+      user_score.active = user_score.active.to_i + 2
+      user_score.save
+      Rails.logger.debug "[UserScore#project] ===> User: [#{current_user.id},#{current_user.name}] updated issue ratio. options => (#{options.to_s})"
+    when :post_issue        # current_user
+      user_score.active = user_score.active.to_i + 4
+      user_score.save
+      Rails.logger.debug "[UserScore#project] ===> User: [#{current_user.id},#{current_user.name}] posting issue. options => (#{options.to_s})"
+    else
+      Rails.logger.error "[UserScore#project] ===> #{operate} is not define."
+      return false
+    end
+  rescue => e
+    Rails.logger.error "[UserScore#project] ===> Exception: #{e}."
+  end
+
+  private
+
+  def self.get_users(current_user, target_user)
+    cUser =  (current_user.kind_of?User) ? current_user : User.find_by_id(current_user)
+    tUser =  (target_user.kind_of?User) ? target_user : User.find_by_id(target_user)
+    
+    [cUser, tUser]
+  end
 end
diff --git a/app/views/bids/_homework_list.html.erb b/app/views/bids/_homework_list.html.erb
index f1fd0b7b7..4415b996d 100644
--- a/app/views/bids/_homework_list.html.erb
+++ b/app/views/bids/_homework_list.html.erb
@@ -75,7 +75,8 @@
                         </td>
                         <td>
                           <strong>作业评分：</strong>
-                           <%= homework_score homework  %>
+
+                          <%= format("%.2f", homework.rate_averages.first.try(:avg).to_i )  %>
                         </td>
 						<td valign="top" align="right">
 							<% if Time.parse(@bid.deadline.to_s) < Time.parse(homework.created_at.to_s) %>
@@ -86,7 +87,7 @@
 					<tr>
 						<td valign="top">&nbsp;
                             <% if User.current.member_of?(@bid.courses.first) %>
-                                <strong><%= l(:label_bidding_user_studentcode) %>&nbsp; ：&nbsp;<%= homework.user.user_extensions.student_id%></strong>
+                                <strong><%= l(:label_bidding_user_studentcode) %>&nbsp; ：&nbsp;<%= homework.user.student_id%></strong>
                             <% end %>
 						</td>
                         <td>
diff --git a/app/views/bids/show_project.html.erb b/app/views/bids/show_project.html.erb
index c14d2e14c..039de6b7a 100644
--- a/app/views/bids/show_project.html.erb
+++ b/app/views/bids/show_project.html.erb
@@ -1,8 +1,9 @@
 <% if @bid.homework_type == Bid::HomeworkFile %>
+    <!-- 提交文件类型 -->
     <%= render :partial => 'homework' %>
 
 <% else %>
-
+    <!-- 提交引用项目 -->
     <script type="text/javascript" language="javascript">
         function clearInfo(id, content) {
             var text = $('#' + id);
diff --git a/app/views/layouts/base_homework.html.erb b/app/views/layouts/base_homework.html.erb
index 62c7d482d..65cdd62ff 100644
--- a/app/views/layouts/base_homework.html.erb
+++ b/app/views/layouts/base_homework.html.erb
@@ -18,8 +18,8 @@
 		<%= yield :header_tags -%>
 	</head>
 	<body class="<%= h body_css_classes %>">
-    <% project = @bid.courses.first %>
-    <% course = Course.find_by_extra(project.identifier) %>
+    <% project = @bid.courses.includes(:course_extra).first %>
+    <% course = project.course_extra %>
 		<div id="wrapper">
 			<div id="wrapper2">
 				<div id="wrapper3">
@@ -179,7 +179,7 @@
 												<tr>
 													<td style="padding-top: 5px"> <% if @bid.homework_type == 1%>
 													<% if @bid.homeworks.size>0 %>
-													<% for homework in @bid.homeworks %>
+													<% for homework in @bid.homeworks.eager_load(:user) %>
 														<%= link_to image_tag(url_to_avatar(homework.user), :class => "avatar", :title => homework.user.name), user_path(homework.user), :class => "avatar" %>													<% end %>
 													<% else %>
 													<p class="font_lighter">
diff --git a/app/views/users/_my_joinedcourse.html.erb b/app/views/users/_my_joinedcourse.html.erb
index bd9ceab8a..8c664c62d 100644
--- a/app/views/users/_my_joinedcourse.html.erb
+++ b/app/views/users/_my_joinedcourse.html.erb
@@ -7,7 +7,7 @@
 		<% else %>
 		<p class="font_description">
 			
-			<%= l(:label_project_cousre_studentun) %><%= link_to"#{l(:label_course_join_student)}",{:controller=>'projects',:action=>'course', :course => 1}, :class => 'icon icon-add' %>			
+			<%= l(:label_project_cousre_studentun) %><%= link_to"#{l(:label_course_join_student)}",{:controller=>'projects',:action=>'course', :project_type => 1}, :class => 'icon icon-add' %>
 			</p>
 		<% end %>
 <% else %>
diff --git a/app/views/users/_show_score.html.erb b/app/views/users/_show_score.html.erb
index 0297a4e02..ca1193c95 100644
--- a/app/views/users/_show_score.html.erb
+++ b/app/views/users/_show_score.html.erb
@@ -1,9 +1,7 @@
 <!-- added by bai -->
-<% unless @user.id == 1%>
 <% messages_count = @user.messages.count %>
 <% messages_score = messages_count * 0.05%>
 <% finall_messages_score = messages_score %>
-<% end %>
 
 <% journals_count = @user.journals.count %>
 <% journals_score = journals_count * 0.1 %>
@@ -28,7 +26,7 @@
 
 <h3 class="title"><%= l(:label_user_score) %></h3>
 <div class="inf_user_image">
-<table style="border-bottom: solid 1px #80a6d2;", width="100%">
+<table style="border-bottom: solid 1px #80a6d2;" width="100%">
 	<tr>
 		<td align="left" valign="middle" ><%= image_tag(url_to_avatar(@user), :class => 'avatar2') %></td>
 	    <td width="35%">
@@ -48,7 +46,7 @@
 
 </table>
 
-<table style="border-bottom: solid 0px #80a6d2;", width="100%">
+<table style="border-bottom: solid 0px #80a6d2;" width="100%">
 	<tr>
 			<%= link_to l(:label_user_score), {:controller => 'users', :action => 'score_index', :remote => true} %> : 
 			<%= format("%.2f" , finall_user_score).to_f %>
@@ -73,31 +71,6 @@
 
 </div>
 
-<!-- <div class="inf_user_image">
-	<ul>
-		<li>
-			<%= link_to l(:label_user_score), {:controller => 'users', :action => 'score_index', :remote => true} %> : 
-			<%= format("%.2f" , finall_user_score).to_f %>
-		</li>
-		<li>
-			<%= link_to l(:label_user_score_of_topic), {:controller => 'users', :action => 'topic_score_index', :remote => true} %> :
-			<%= format("%.2f" , finall_messages_score).to_f %>
-	    </li>
-	    <li>
-			<%= link_to l(:label_user_score_of_project), {:controller => 'users', :action => 'project_score_index', :remote => true} %> : 
-			<%= format("%.2f" , finall_user_project_score).to_f %>
-	    </li>	
-	    <li>
-			<%= link_to l(:label_user_score_of_activity), {:controller => 'users', :action => 'activity_score_index', :remote => true} %> : 
-			<%= format("%.2f" , finall_activity_score).to_f %>
-	    </li>
-	    <li>
-			<%= link_to l(:label_user_score_of_influence), {:controller => 'users', :action => 'influence_score_index', :remote => true} %> ：
-			<%= format("%.2f" , finall_influence_score).to_f %>
-	    </li>								
-	</ul>
-</div> -->
-<div id="show_score_detail", style="padding-left: 6px">
+<div id="show_score_detail" style="padding-left: 6px">
 	<%= render :partial => 'users/score_index', :locals => {:index => 0 } %>
 </div>
-<!-- end -->
\ No newline at end of file
diff --git a/app/views/users/show_score.js.erb b/app/views/users/show_score.js.erb
index b3bbf576e..3cd9a5e47 100644
--- a/app/views/users/show_score.js.erb
+++ b/app/views/users/show_score.js.erb
@@ -1,5 +1,3 @@
-<!-- added by bai -->
 $('#ajax-modal').html('<%= escape_javascript(render :partial => 'users/show_score') %>');
 showModal('ajax-modal', '400px');
 $('#ajax-modal').addClass('new-watcher');
-<!-- end -->
\ No newline at end of file
diff --git a/app/views/users/user_watchlist.html.erb b/app/views/users/user_watchlist.html.erb
index f20b80eef..bc4a655d8 100644
--- a/app/views/users/user_watchlist.html.erb
+++ b/app/views/users/user_watchlist.html.erb
@@ -13,7 +13,7 @@
       <tr>  <!-- modified by bai 区别了“关注”里个人参与的项目与课程-->
         <td colspan="2" width="580px" ><p class="font_description">
 			<% unless user.memberships.empty? %>
-			<% cond = Project.visible_condition(User.current) + "AND projects.project_type <> 1" %>
+			<% cond = Project.visible_condition(User.current) + " AND projects.project_type <> 1" %>
 			<% memberships = user.memberships.all(:conditions => cond) %>
 			<%= l(:label_x_contribute_to, :count => memberships.count) %>
 			<% for member in memberships %>
@@ -23,7 +23,7 @@
 			</p>
 			<p class="font_description">
 			<% unless user.memberships.empty? %>
-			<% cond = Project.visible_condition(User.current) + "AND projects.project_type = 1" %>
+			<% cond = Project.visible_condition(User.current) + " AND projects.project_type = 1" %>
 			<% memberships = user.memberships.all(:conditions => cond) %>
 			<%= l(:label_x_course_contribute_to, :count => memberships.count) %>
 			<% for member in memberships %>
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 23911e568..d8bfc966c 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -473,6 +473,27 @@ en:
   permission_export_wiki_pages: Export wiki pages
   permission_manage_subtasks: Manage subtasks
   permission_manage_related_issues: Manage related issues
+  permission_view_journals_for_messages: View journals messages
+  permission_view_courses: View courses
+  permission_new_course: Create course
+  permission_configure_course: Configure course
+  permission_close_course: Close/open course
+  permission_new_assignment: Create assignment
+  permission_edit_assignment: Edit assignment
+  permission_delete_assignment: Delete assignment
+  permission_new_placeholder: Create placeholder
+  permission_edit_placeholder: Edit placeholder
+  permission_delete_placeholder: Delete placeholder
+  permission_commit_content: Commit content
+  permission_new_course_notify: Create course notify
+  permission_edit_course_notify: Eidt course notify
+  permission_delete_course_notify: Delete course notify
+  permission_view_assignment: View assignment
+  permission_view_placeholder: View placeholder
+  permission_view_course_messages: View course messages
+  permission_view_real_name: View real name
+  permission_view_students: View students
+  permission_export_homeworks: Export homeworks
 
   project_module_issue_tracking: Issue tracking
   project_module_time_tracking: Time tracking
diff --git a/config/locales/zh.yml b/config/locales/zh.yml
index c0dfb3ca9..0625ebe6a 100644
--- a/config/locales/zh.yml
+++ b/config/locales/zh.yml
@@ -454,7 +454,27 @@ zh:
   permission_export_wiki_pages: 导出 wiki 页面
   permission_manage_subtasks: 管理子任务
   permission_view_journals_for_messages: 查看留言
-  permission_view_courses: 查看课程列表
+  permission_view_courses: 查看课程
+  permission_new_course: 新建课程
+  permission_configure_course: 配置课程
+  permission_close_course: 关闭/重开课程
+  permission_new_assignment: 新建任务
+  permission_edit_assignment: 编辑任务
+  permission_delete_assignment: 删除任务
+  permission_new_placeholder: 新建占位
+  permission_edit_placeholder: 编辑占位
+  permission_delete_placeholder: 删除占位
+  permission_commit_content: 提交内容
+  permission_new_course_notify: 发布课程通知
+  permission_edit_course_notify: 编辑课程通知
+  permission_delete_course_notify: 删除课程通知
+  permission_view_assignment: 查看任务
+  permission_view_placeholder: 查看占位
+  permission_view_course_messages: 查看留言
+  permission_view_real_name: 查看真名
+  permission_view_students: 查看成员
+  permission_export_homeworks: 导出作业
+
 
   project_module_issue_tracking: 问题跟踪
   project_module_time_tracking: 时间跟踪
diff --git a/config/settings.yml b/config/settings.yml
index fbaba502f..f2c64a97c 100644
--- a/config/settings.yml
+++ b/config/settings.yml
@@ -172,6 +172,7 @@ default_projects_modules:
   - boards
   - calendar
   - gantt
+  - course
 default_projects_tracker_ids:
   serialized: true
   default: 
diff --git a/db/schema.rb b/db/schema.rb
index 185f5e134..109ad65e4 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -923,11 +923,13 @@ ActiveRecord::Schema.define(:version => 20140605025247) do
   add_index "user_preferences", ["user_id"], :name => "index_user_preferences_on_user_id"
 
   create_table "user_scores", :force => true do |t|
-    t.integer "user_id"
-    t.integer "collaboration"
-    t.integer "influence"
-    t.integer "skill"
-    t.integer "activity"
+    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|
diff --git a/lib/redmine.rb b/lib/redmine.rb
index 7b83c7cb6..7d3aa9ea7 100644
--- a/lib/redmine.rb
+++ b/lib/redmine.rb
@@ -179,13 +179,27 @@ Redmine::AccessControl.map do |map|
   end
 
   #课程权限模块
-  map.project_module :course do
+  map.project_module :course do |map|
     map.permission :view_courses,{:projects => [:course]},:read => true
-  end
-
-  #作业模块权限
-  map.project_module :bids do |map|
-    map.permission :view_homework_attaches, {:bids => [:show, :show_project, :revision]}, :read => true
+    #map.permission :new_course, {}, :read => true
+    #map.permission :configure_course,{},:read => true
+    #map.permission :close_course,{},:read => true
+    map.permission :new_assignment,{:projects => [:new_homework]},:read => true
+    map.permission :edit_assignment,{:bids => [:edit]},:read => true
+    map.permission :delete_assignment,{:bids => [:homework_destroy]},:read => true
+    map.permission :new_placeholder,{:homework_attach => [:new]},:read => true
+    map.permission :edit_placeholder,{:homework_attach => [:edit,:update]},:read => true
+    map.permission :delete_placeholder,{:homework_attach => [:destroy]},:read => true
+    #map.permission :commit_content,{},:read => true
+    #map.permission :new_course_notify,{},:read => true
+    #map.permission :edit_course_notify,{},:read => true
+    #map.permission :delete_course_notify,{},:read => true
+    map.permission :view_assignment,{:projects => [:homework]},:read => true
+    map.permission :view_placeholder,{:bids => [:show_project]},:read => true
+    map.permission :view_course_messages,{:projects => [:feedback]},:read => true
+    map.permission :view_real_name,{:projects => [:real_name]},:read => true
+    map.permission :view_students,{:projects => [:member]}, :read=>true
+    map.permission :export_homeworks,{:zipdown => [:assort,:download_user_homework]},:read => true
   end
 
   map.project_module :boards do |map|