diff --git a/app/controllers/challenges_controller.rb b/app/controllers/challenges_controller.rb
index 5ad869462..b11b5d174 100644
--- a/app/controllers/challenges_controller.rb
+++ b/app/controllers/challenges_controller.rb
@@ -2,13 +2,16 @@
 class ChallengesController < ApplicationController
   layout "base_shixun"
   before_filter :check_authentication
-  before_filter :find_shixun, :only => [:index, :new, :create, :destroy, :challenge_build, :update_evaluation]
-  before_filter :find_challenge, :only => [:show, :edit, :update, :challenge_build, :index_up, :index_down, :destroy, :update_evaluation]
+  before_filter :find_shixun, :only => [:index, :new, :create, :destroy, :challenge_build, :update_evaluation, :add_choose_question, :new_choose_question, :choose_type_show, :edit_choose_question, :update_choose_question, :destroy_challenge_choose]
+  before_filter :find_challenge, :only => [:show, :edit, :update, :challenge_build, :index_up, :index_down, :destroy, :update_evaluation, :add_choose_question, :new_choose_question, :choose_type_show, :edit_choose_question, :update_choose_question, :destroy_challenge_choose]
   before_filter :build_challege_from_params, :only => [:new, :create]
   before_filter :tpi_manager_allowed, :only => [:challenge_build, :destroy, :edit, :new, :create]
   before_filter :allowed_view, :only => [:show]
   before_filter :query_challeges, :only => [:show, :edit, :update, :update_evaluation]
   before_filter :find_shixun_language, :only => [:show, :new, :edit]
+  #before_filter :default_format_js, only: :new_or_edit_choose_question
+
+  #skip_before_filter :verify_authenticity_token, :only => [:new_or_edit_choose_question]
 
   include ApplicationHelper
 
@@ -30,6 +33,8 @@ class ChallengesController < ApplicationController
         @challenge.shixun = @shixun
         @challenge.user = User.current
         @challenge.st = params[:st].to_i
+        @challenge.save!
+=begin
         if @challenge.save!
           if params[:st].to_i != 0
             #创建选项
@@ -39,6 +44,7 @@ class ChallengesController < ApplicationController
             end
           end
         end
+=end
         # 实训是否需要重启
         # 非实践任务创建第一个阶段时调用 publishGame, 避免不包含实践任务的实训进行模拟实战时报错
         if @challenge.position == 1 && params[:st].to_i != 0
@@ -91,9 +97,117 @@ class ChallengesController < ApplicationController
     if challenge_pos < challenge_num
       @next_challenge = Challenge.where(:shixun_id => @shixun, :position => challenge_pos+1).first
     end
-    @prev_challenge = Challenge.where(:shixun_id => @shixun, :position => challenge_pos - 1).first if challenge_pos - 1 > 0
+    @prev_challenge = Challenge.where(:shixun_id => @shixun, :position => challenge_pos - 1).first if (challenge_pos - 1) > 0
     @tab = params[:tab].blank? ? 1 : params[:tab].to_i
     @editor = params[:editor]         # 编辑模式
+    respond_to do |format|
+      format.html
+      format.js
+    end
+  end
+
+  def new_choose_question
+    ActiveRecord::Base.transaction do
+      begin
+        @challenge_choose = ChallengeChoose.new
+        @challenge_choose.challenge_id = @challenge.id
+        @challenge_choose.subject = params[:choose][:subject]
+        @challenge_choose.answer = params[:choose][:answer]
+        @challenge_choose.standard_answer = params[:standard_answer]
+        @challenge_choose.score  = params[:challenge][:score].to_i
+        @challenge_choose.difficult = params[:challenge][:difficulty].to_i
+        @challenge_choose.position = params[:position].to_i
+        @challenge_choose.category = params[:category].to_i
+        if @challenge_choose.save!
+            # 创建选项
+            params[:question][:cnt].each_with_index do |test, index|
+              answer = params[:choice][:answer][index] == "0" ? false : true
+              ChallengeQuestion.create(:option_name => test, :challenge_choose_id => @challenge_choose.id, :position => index, :right_key => answer)
+            end
+            # 创建单选多选的技能标签
+            unless params[:knowledge].blank?
+              params[:knowledge][:input].each do |input|
+                ChallengeTag.create(:name => input, :challenge_choose_id => @challenge_choose.id, :challenge_id => @challenge.id)
+              end
+            end
+        end
+        @index = params[:position].to_i - 1
+        respond_to do |format|
+          format.js
+        end
+      rescue Exception => e
+        flash[:error] = "#{e.message}"
+        redirect_to edit_shixun_challenge_path(@challenge, :shixun_id => @shixun)
+        raise ActiveRecord::Rollback
+      end
+    end
+  end
+
+  def update_choose_question
+    @challenge_choose = ChallengeChoose.where(:id => params[:choose_id]).first
+    ActiveRecord::Base.transaction do
+      @challenge_choose.update_attributes(:subject => params[:choose][:subject],
+                                          :answer => params[:choose][:answer],
+                                          :standard_answer => params[:standard_answer],
+                                          :score => params[:challenge][:score].to_i,
+                                          :difficult => params[:challenge][:difficulty].to_i)
+      begin
+        @challenge_choose.challenge_questions.delete_all
+        params[:question][:cnt].each_with_index do |test, index|
+          answer = params[:choice][:answer][index] == "0" ? false : true
+          ChallengeQuestion.create(:option_name => test, :challenge_choose_id => @challenge_choose.id, :position => index, :right_key => answer)
+        end
+        @challenge_choose.challenge_tags.delete_all unless @challenge_choose.challenge_tags.blank?
+        unless params[:knowledge].blank?
+          params[:knowledge][:input].each do |input|
+            ChallengeTag.create(:name => input, :challenge_choose_id => @challenge_choose.id, :challenge_id => @challenge.id)
+          end
+        end
+        @challenge_choose = ChallengeChoose.where(:id => params[:choose_id]).first
+        @index = params[:index].to_i
+        respond_to do |format|
+          format.js
+        end
+      rescue Exception => e
+        flash[:error] = "#{e.message}"
+        format.html{redirect_to edit_shixun_challenge_path(@challenge, :shixun_id => @shixun)}
+        raise ActiveRecord::Rollback
+      end
+    end
+  end
+
+  def edit_choose_question
+    @challenge_choose = ChallengeChoose.where(:id => params[:choose_id]).first
+    @category = @challenge_choose.category
+    @position = @challenge_choose.position.to_i
+    @index = params[:index].to_i
+    respond_to do |format|
+      format.js
+    end
+  end
+
+  def choose_type_show
+    @challenge_choose = ChallengeChoose.where(:id => params[:choose_id]).first
+    @index = params[:index].to_i
+    respond_to do |format|
+      format.js
+    end
+  end
+
+  def destroy_challenge_choose
+    @challenge_choose = ChallengeChoose.where(:id => params[:choose_id]).first
+    @challenge_choose.destroy
+
+    redirect_to edit_shixun_challenge_path(@challenge, :shixun_id => @shixun)
+  end
+
+  def add_choose_question
+    @category = params[:category].to_i
+    @position = params[:position]
+    #@challenge_choose = @challenge.challenge_chooses
+    respond_to do |format|
+      format.js
+    end
   end
 
   def destroy
@@ -108,22 +222,22 @@ class ChallengesController < ApplicationController
   def update
       ActiveRecord::Base.transaction do
         @challenge.update_attributes(params[:challenge])
-        if (params[:tab] == "1" || params[:tab].nil?) && @challenge.st != 0
-          begin
-            @challenge.challenge_questions.delete_all
-            params[:question][:cnt].each_with_index do |test, index|
-              answer = params[:choice][:answer][index] == "0" ? false : true
-              ChallengeQuestion.create(:option_name => test, :challenge_id => @challenge.id, :position => index, :right_key => answer)
-            end
-            redirect_to edit_shixun_challenge_path(@challenge, :shixun_id => @shixun, :tab => params[:tab])
-          rescue Exception => e
-            flash[:error] = "#{e.message}"
-            format.html{redirect_to edit_shixun_challenge_path(@challenge, :shixun_id => @shixun)}
-            raise ActiveRecord::Rollback
-          end
-        else
+        #if (params[:tab] == "1" || params[:tab].nil?) && @challenge.st != 0
+        #  begin
+        #    @challenge.challenge_questions.delete_all
+        #    params[:question][:cnt].each_with_index do |test, index|
+        #      answer = params[:choice][:answer][index] == "0" ? false : true
+        #      ChallengeQuestion.create(:option_name => test, :challenge_id => @challenge.id, :position => index, :right_key => answer)
+        #    end
+        #    redirect_to edit_shixun_challenge_path(@challenge, :shixun_id => @shixun, :tab => params[:tab])
+        #  rescue Exception => e
+        #    flash[:error] = "#{e.message}"
+        #    format.html{redirect_to edit_shixun_challenge_path(@challenge, :shixun_id => @shixun)}
+        #    raise ActiveRecord::Rollback
+        #  end
+        #else
           redirect_to edit_shixun_challenge_path(@challenge, :shixun_id => @shixun, :tab => params[:tab])
-        end
+        #end
       end
   end
 
@@ -272,4 +386,8 @@ class ChallengesController < ApplicationController
     @language = language_switch language
   end
 
+  def default_format_js
+    response.headers['content--type'] = 'text/javascript'
+    request.format = 'js'
+  end
 end
diff --git a/app/controllers/games_controller.rb b/app/controllers/games_controller.rb
index cbae9d708..0c011a047 100644
--- a/app/controllers/games_controller.rb
+++ b/app/controllers/games_controller.rb
@@ -49,7 +49,7 @@ class GamesController < ApplicationController
     @type = params[:type]
     challenge_path = @game_challenge.path
     # 用户选项
-    @user_answer = @game.outputs.first.actual_output.split("") unless @st == 0 || @game.outputs.blank?
+    #@user_answer = @game.outputs.first.actual_output.split("") unless @st == 0 || @game.outputs.blank?
     # 默认打开文件
     logger.info("repository id is #{@repository.try(:id)}, repository's shixun_id =#{@repository.try(:myshixun_id)} shixun_id =#{@repository.try(:shixun_id)}, project_id => #{@repository.try(:project_id)}")
     # 验证challenge文件名的合法性
@@ -300,53 +300,42 @@ class GamesController < ApplicationController
   end
 
   # 选择题评测(选择题不需要重新评测)
+  # score 获得金币数 tag_count 技能数 right用户是否全对 answer_right全部选择题的正确性
   def evaluating_choice
     @game_challenge = @game.challenge
-    user_answer = params[:answer]
-    correct = true
+    @challenges = Challenge.where(:shixun_id => @myshixun.shixun_id)
+    @shixun = @myshixun.shixun
     score = 0
     tag_count = 0
-    if !user_answer.blank?
-      if user_answer.split("").count != @game_challenge.challenge_questions.where(:right_key => true).count
-        correct = false
-      else
-        user_answer.split("").each do |answer|
-          question = @game_challenge.challenge_questions.where(:position => answer.to_i).first
-          unless question.right_key
-            correct = false
-            break
-          end
-        end
+    @right = true
+    answer_right = []
+    @game_challenge.challenge_chooses.each_with_index do |choose, index|
+      correct = (params[:answer][index] == choose.standard_answer) ? true : false
+      if choose.choose_outputs.blank?
+        ChooseOutputs.create(:challenge_choose_id => choose.id, :user_id => User.current.id, :answer => params[:answer][index], :correct => correct)
       end
-    else
-      correct = false
+      if @shixun.status > 1 && !@game.answer_open
+        if correct
+          score += choose.score
+          tag_count += choose.challenge_tags.count
+        end
+      elsif @shixun.status > 1 && @game.answer_open
+        score -= choose.score
+      end
+      unless correct
+        @right = false
+      end
+      answer_right << correct
     end
     @game.update_attributes(:status => 2, :end_time => Time.now)
-    had_done = @game.had_done
-    shixun = @myshixun.shixun
-    if shixun.status > 1 && !@game.answer_open
-      if correct
-        #User.current.update_attributes(:grade => (User.current.grade + @game.challenge.score), :experience => (User.current.experience + @game.challenge.score))
-        reward_grade(@game.user, @game.id, 'Game', @game_challenge.score)
-        reward_experience(@game.user, @game.id, 'Game', @game_challenge.score)
-        @game.update_attribute(:final_score, @game_challenge.score)
-        score = @game_challenge.score
-        tag_count = @game_challenge.challenge_tags.count
-      else
-        score = "+0"
-        tag_count = 0
-      end
-    elsif shixun.status > 1 && @game.answer_open
-      score = -@game_challenge.score.to_i
-      tag_count = 0
-    else
-      score = "+0"
-      tag_count = 0
+    @had_done = @game.had_done
+    reward_grade(@game.user, @game.id, 'Game', score)
+    reward_experience(@game.user, @game.id, 'Game', score)
+    @game.update_attribute(:final_score, score)
+
+    respond_to do |format|
+      format.js{redirect_to myshixun_game_path(@game, :myshixun_id => @myshixun, :choose => 1)}
     end
-    if @game.outputs.blank?
-      Output.create(:game_id => @game.id, :actual_output => user_answer, :result => correct)
-    end
-    render :json => {correct: correct, had_done: had_done, :grade => User.where(:id => User.current.id).first.grade, score: score, tag_count: tag_count, position: @game_challenge.position}
   end
 
 
@@ -407,9 +396,19 @@ class GamesController < ApplicationController
   def answer
     challenge = @game.challenge
     @challenge_score = challenge.score.to_i
+    @answer = ""
     # 已经开启过
     @score = User.current.grade.to_i - @challenge_score
-    @answer = challenge.answer
+    if(params[:choose] == "true")
+      challenge.challenge_chooses.each_with_index do |choose, index|
+        @answer += "第"+ ((index + 1).to_s) +"题：<br />"
+        @answer += choose.answer
+        @answer += "<br /><br /><br />"
+      end
+    else
+      @answer = challenge.answer
+    end
+
     if challenge.shixun.status < 2 || @game.answer_open
       @viewed = 1
     else
diff --git a/app/controllers/managements_controller.rb b/app/controllers/managements_controller.rb
index b04334ee0..f291c7d5c 100644
--- a/app/controllers/managements_controller.rb
+++ b/app/controllers/managements_controller.rb
@@ -803,6 +803,18 @@ end
     end
   end
 
+  # 导出excel
+  def export_excel
+    @course = params[:course]
+    respond_to do |format|
+      format.xls {
+        @course = @course.reorder("#{Tracker.table_name}.position, #{Course.table_name}.id").all
+        filename = "#{l(:label_course_list_xls)}.xls"
+        send_data(course_list_xls(@course), :type => 'application/octet-stream', :filename => filename_for_content_disposition(filename))
+      }
+    end
+  end
+
   # 0 全部；1 活动的； 2 已注册； 3 锁定
   def users
     @menu_type
@@ -1336,4 +1348,32 @@ end
     render_404
   end
 
+  def course_list_xls course
+    xls_report = StringIO.new
+    book = Spreadsheet::Workbook.new
+    sheet1 = book.create_worksheet :name => "course"
+    blue = Spreadsheet::Format.new :color => :blue, :weight => :bold, :size => 10
+    sheet1.row(0).default_format = blue
+    sheet1.row(0).concat([l(:issue_xls_id),l(:issue_xls_tracker_id),l(:issue_xls_title),l(:issue_xls_description),l(:issue_xls_status),l(:issue_xls_assign),l(:issue_xls_priority),l(:issue_xls_author),l(:issue_xls_created_at),l(:milestone),l(:issue_xls_start),l(:issue_xls_due),l(:issue_xls_ratio)])
+    count_row = 1
+    issues.each do |issue|
+      sheet1[count_row,0] = issue.id
+      sheet1[count_row,1] = issue_tracker_change(issue.tracker_id)
+      sheet1[count_row,2] = issue.subject
+      sheet1[count_row,3] = (issue.description.gsub(/<\/?.*?>/,"")).html_safe
+      sheet1[count_row,4] = issue_status_change(issue.status_id)
+      sheet1[count_row,5] = issue.assigned_to.try(:show_name)
+      sheet1[count_row,6] = issue_priority_change(issue.priority_id)
+      sheet1[count_row,7] = issue.author.show_name
+      sheet1[count_row,8] = issue.created_on.nil? ? issue.created_on : issue.created_on.strftime('%Y-%m-%d %H:%M:%S')
+      sheet1[count_row,9] = issue.fixed_version.try(:name)
+      sheet1[count_row,10] = issue.start_date.nil? ? issue.start_date :  issue.start_date.strftime('%Y-%m-%d')
+      sheet1[count_row,11] = issue.due_date.nil? ? issue.due_date : issue.due_date.strftime('%Y-%m-%d')
+      sheet1[count_row,12] = issue_ratio_change(issue.done_ratio, issue.status_id)
+      count_row += 1
+    end
+    book.write xls_report
+    xls_report.string
+  end
+
 end
diff --git a/app/controllers/student_work_controller.rb b/app/controllers/student_work_controller.rb
index c498af4a9..c82cc45ad 100644
--- a/app/controllers/student_work_controller.rb
+++ b/app/controllers/student_work_controller.rb
@@ -389,7 +389,7 @@ class StudentWorkController < ApplicationController
             @stundet_works = @homework.student_works.select("student_works.*,student_works.work_score as score").where(:user_id => User.current.id)
           end
         elsif @homework.homework_detail_manual.comment_status == 3 || @homework.homework_detail_manual.comment_status == 4  #学生 && 开启匿评  看到匿评列表
-          my_work = @homework.student_works.select("student_works.*,student_works.work_score as score").where(:user_id => User.current.id).first
+          my_work = @homework.student_works.select("student_works.*,student_works.work_score as score").where(:user_id => User.current.id)
           @stundet_works = my_work + User.current.student_works_evaluation_distributions.map(&:student_work).select { |work| work.homework_common_id == @homework.id}
         # elsif @homework.homework_detail_manual.comment_status == 5 || @homework.homework_detail_manual.comment_status == 6  #学生 && 关闭匿评  未提交作品之前列表为空，提交了作品看到所有的
         #   my_work = @homework.student_works.select("student_works.*,student_works.work_score as score").where(:user_id => User.current.id).first
@@ -420,7 +420,7 @@ class StudentWorkController < ApplicationController
             @stundet_works = @homework.student_works.select("student_works.*,student_works.work_score as score").where(:user_id => User.current.id)
           end
         elsif @homework.homework_detail_manual.comment_status == 3 || @homework.homework_detail_manual.comment_status == 4  #学生 && 开启匿评  看到匿评列表
-          my_work = @homework.student_works.select("student_works.*,student_works.work_score as score").where(:user_id => User.current.id).first
+          my_work = @homework.student_works.select("student_works.*,student_works.work_score as score").where(:user_id => User.current.id)
           @stundet_works = my_work + User.current.student_works_evaluation_distributions.map(&:student_work).select { |work| work.homework_common_id == @homework.id}
         # elsif @homework.homework_detail_manual.comment_status == 5  #学生 && 关闭匿评  未提交作品之前列表为空，提交了作品看到所有的
         #   my_work = @homework.student_works.select("student_works.*,student_works.work_score as score").where(:user_id => User.current.id).first
diff --git a/app/models/challenge.rb b/app/models/challenge.rb
index dcc50dd43..a9e74f77c 100644
--- a/app/models/challenge.rb
+++ b/app/models/challenge.rb
@@ -1,5 +1,5 @@
 #coding=utf-8
-# st 0：实践任务；1：多选任务；2：单选任务
+# st 0：实践任务；1：选择题任务
 class Challenge < ActiveRecord::Base
   default_scope :order => 'position'
   belongs_to :shixun,:touch=> true
@@ -8,7 +8,7 @@ class Challenge < ActiveRecord::Base
   has_many :test_sets, :dependent => :destroy
   has_many :challenge_tags, :dependent => :destroy
   has_many :games, :dependent => :destroy
-  has_many :challenge_questions, :dependent => :destroy
+  has_many :challenge_chooses, :dependent => :destroy
 
   validates_presence_of :subject
   # validates_presence_of :score
@@ -28,6 +28,35 @@ class Challenge < ActiveRecord::Base
     str
   end
 
+  def choose_correct_num
+    num = 0
+    self.challenge_chooses.each do |choose|
+      outputs = ChooseOutputs.where(:challenge_choose_id => choose.id).first
+      if outputs.nil?
+        num = nil
+      else
+        num += (outputs.correct ? 1 : 0)
+      end
+    end
+    return num
+  end
+
+  def choose_score
+    score = 0
+    self.challenge_chooses.each do |choose|
+      score += choose.score
+    end
+    return score
+  end
+
+  def choose_tags_num
+    num = 0
+    self.challenge_chooses.each do |choose|
+      num += choose.challenge_tags.count
+    end
+    return num
+  end
+
   def next_challenge
     challenge_count = Challenge.where(:shixun_id => self.shixun_id).count
     render_404 if self.position ==challenge_count
diff --git a/app/models/challenge_choose.rb b/app/models/challenge_choose.rb
new file mode 100644
index 000000000..18d76790f
--- /dev/null
+++ b/app/models/challenge_choose.rb
@@ -0,0 +1,13 @@
+class ChallengeChoose < ActiveRecord::Base
+  # attr_accessible :title, :body
+  # category 1 单选， 2，多选
+  # standard_answer 正确答案 answer： 答题的思路
+  default_scope :order => 'position'
+  belongs_to :challenge
+  has_many :challenge_tags, :dependent => :destroy
+  has_many :challenge_questions, :dependent => :destroy
+  has_one  :choose_outputs, :dependent => :destroy
+
+  validates_presence_of :subject
+
+end
diff --git a/app/models/challenge_question.rb b/app/models/challenge_question.rb
index eb835c32e..3540330b7 100644
--- a/app/models/challenge_question.rb
+++ b/app/models/challenge_question.rb
@@ -1,4 +1,6 @@
 class ChallengeQuestion < ActiveRecord::Base
-  belongs_to :challenge
-  attr_accessible :challenge_id, :option_name, :position, :right_key
+  # 选择题的选项内容
+  belongs_to :challenge_choose
+  # right_key 选项是否是答案， position 选项的位置
+  attr_accessible :challenge_choose_id, :option_name, :position, :right_key
 end
diff --git a/app/models/challenge_tag.rb b/app/models/challenge_tag.rb
index 5f5925f92..35b3f5be7 100644
--- a/app/models/challenge_tag.rb
+++ b/app/models/challenge_tag.rb
@@ -1,4 +1,5 @@
 class ChallengeTag < ActiveRecord::Base
-  attr_accessible :challenge_id, :name
+  attr_accessible :challenge_id, :name, :challenge_choose_id
   belongs_to :challenge
+  belongs_to :challenge_choose
 end
diff --git a/app/models/choose_outputs.rb b/app/models/choose_outputs.rb
new file mode 100644
index 000000000..9a47a3b25
--- /dev/null
+++ b/app/models/choose_outputs.rb
@@ -0,0 +1,5 @@
+class ChooseOutputs < ActiveRecord::Base
+  # attr_accessible :title, :body
+  # user_id 与 challenge_choose_id 唯一确定用户此题的选项
+  belongs_to :challenge_choose
+end
diff --git a/app/views/challenges/_answer_form.html.erb b/app/views/challenges/_answer_form.html.erb
index cbc31b01a..406f01fc8 100644
--- a/app/views/challenges/_answer_form.html.erb
+++ b/app/views/challenges/_answer_form.html.erb
@@ -20,7 +20,7 @@
     <p id="e_tip_in" style="margin-left: 10%" class="c_grey"></p>
     <p id="e_tips_in" style="margin-left: 10%" class="c_grey"></p>
   </li>
-  <li class="clearfix">
+ <li class="clearfix">
     <a href="javascript:void(0);" class="task-btn task-btn-green fr" onclick="$('#challenge_shixun_answer_update').submit();">保存</a>
     <% if @challenge.answer %>
         <a href="<%= edit_shixun_challenge_path(@challenge, :shixun_id => @shixun, :tab => 3) %>" class="task-btn fr mr10" id="answer_cancel">取消</a>
@@ -30,7 +30,7 @@
 <script>
     answer_editormd =  editormd("challenge_answer", {
         width   : "89.6%",
-        height  : 600,
+        height  : 400,
         syncScrolling : "single",
         //你的lib目录的路径，我这边用JSP做测试的
         path    : "/editormd/lib/",
diff --git a/app/views/challenges/_choose_tab.html.erb b/app/views/challenges/_choose_tab.html.erb
new file mode 100644
index 000000000..fb5015d25
--- /dev/null
+++ b/app/views/challenges/_choose_tab.html.erb
@@ -0,0 +1,10 @@
+<li class="fl <%= @index.nil? ? "check_nav" : "" %>">
+  <a href="<%= edit_shixun_challenge_path(@challenge, :shixun_id => @shixun) %>" class="color-black">本关任务</a>
+</li>
+<% @challenge.challenge_chooses.each_with_index do |choose, index| %>
+    <li class="fl <%= @index == index ? "check_nav" : "" %>">
+      <a href="<%= choose_type_show_shixun_challenge_path(@challenge, :shixun_id => @shixun, :choose_id => choose.id, :index => index) %>" class="color-black" data-remote="true">
+        <%= (index + 1).to_s + (choose.category == 1 ? ".单选题" : ".多选题") %>
+      </a>
+    </li>
+<% end %>
\ No newline at end of file
diff --git a/app/views/challenges/_choose_type.html.erb b/app/views/challenges/_choose_type.html.erb
new file mode 100644
index 000000000..7a1b496f6
--- /dev/null
+++ b/app/views/challenges/_choose_type.html.erb
@@ -0,0 +1,105 @@
+<div class="stage-part-2 mt20" id="">
+  <ul class="nav_check_item border-bottom-orange clearfix">
+    <div id="challenge_choose_tab">
+      <%= render :partial => "challenges/choose_tab" %>
+    </div>
+    <a href="javascript:void(0)" class="fr white-btn green-btn white_bg addoption-btn">+&nbsp;多选题</a>
+    <a href="javascript:void(0)" class="fr mr10 white-btn green-btn white_bg addoption-btn">+&nbsp;单选题</a>
+  </ul>
+  <div id="task_content" class="task-pm-box mh550 user_bg_shadow">
+    <div class="panel-form" id="task_show_page">
+      <div id="task_pass_show">
+        <div class="clearfix mb20">
+          <p class="fr">
+            <% if User.current.manager_of_shixun?(@shixun) %>
+                <a href="<%= edit_shixun_challenge_path(@challenge, :shixun_id => @shixun) %>" class="shixun-task-btn task-btn-green fr" data-remote="true">编辑</a>
+            <% end %>
+          </p>
+        </div>
+        <ul>
+          <li class="clearfix">
+            <label class="panel-form-label fl">名称：</label>
+            <div class="fl task-bg-grey panel-box-sizing panel-form-width-690">
+              <%= @challenge.subject %>
+            </div>
+          </li>
+          <li class="clearfix">
+            <label class="panel-form-label fl"><span class="c_red mr5">*</span>过关任务：</label>
+            <div class="fl task-bg-grey panel-box-sizing panel-form-width-690 new_li" id="challenge_task_pass_show" style="width: 90%;background: #fff!important;">
+              <textarea style="display:none;"><%= @challenge.task_pass %></textarea>
+            </div>
+          </li>
+        </ul>
+      </div>
+    </div>
+  </div>
+
+<div id="set_content" class="task-pm-box mh550 user_bg_shadow undis">
+    <%#= render :partial => "single_or_multiple_question" %>
+  </div>
+
+  <%#= render :partial => 'single_or_multiple_question_show'%>
+</div>
+<script>
+    editormd.loadKaTeX(function() {
+        var taskPassMD = editormd.markdownToHTML("challenge_task_pass_show", {
+            htmlDecode: "style,script,iframe",  // you can filter tags decode
+            taskList: true,
+            tex: true,  // 默认不解析
+            flowChart: true,  // 默认不解析
+            sequenceDiagram: true // 默认不解析
+        });
+    });
+    //添加单选、多选tab
+    $(".addoption-btn").on("click",function(){
+        var length= $(".stage-part-2").find(".nav_check_item li").length;
+        if(length<11){
+            var title=$(this).html();
+            var category = title.indexOf("多选")>0 ? 2 : 1;
+            if(title.indexOf("多选")>0){//多选
+                title="多选题";
+            }else{
+                title="单选题";
+            }
+            var li_con=length+".<span>"+title+"</span>";
+            var html="<li class=\"fl check_nav\"><a href=\"javascript:void(0)\" class=\"color-black\">"+li_con+"</a></li>";
+            $(".stage-part-2").find(".nav_check_item li").removeClass("check_nav");
+            $(".stage-part-2").find(".nav_check_item li").eq(length-1).after(html);
+            $.ajax({
+                url: "<%= add_choose_question_shixun_challenge_path(@challenge, :shixun_id => @shixun) %>",
+                dateType: "script",
+                data: {category: category, position: length},
+                success: function(){
+                }
+            })
+        }
+       // editor_tigan();
+    });
+    //删除单选、多选tab
+    $(".deloption-btn").on("click",function(){
+        var index=0;
+        for(var i=1;i<$(".stage-part-2").find(".nav_check_item li").length;i++){
+            var length=$(".stage-part-2").find(".nav_check_item li").length;
+            var item=$(".stage-part-2").find(".nav_check_item li");
+            if(item.eq(i).hasClass("check_nav")){
+                if(length>1){
+                    item.eq(0).addClass("check_nav");
+                    item.eq(i).remove();
+                }
+
+            }
+        }
+        for(var i=1;i<$(".stage-part-2").find(".nav_check_item li").length;i++){
+            var item=$(".stage-part-2").find(".nav_check_item li");
+            item.eq(i).html(i+".<span>"+item.eq(i).find("span").html()+"</span>");
+        }
+    })
+    //第二个ul tab的切换事件
+    $(".stage-part-2").find(".nav_check_item li a").live("click",function(){
+        if($(".nav_check_item li").length>1){
+            $(".nav_check_item li").removeClass("check_nav");
+            $(this).parent().addClass("check_nav");
+        }
+    })
+
+</script>
\ No newline at end of file
diff --git a/app/views/challenges/_content_list.html.erb b/app/views/challenges/_content_list.html.erb
index 50bbf8ccb..9c439ada2 100644
--- a/app/views/challenges/_content_list.html.erb
+++ b/app/views/challenges/_content_list.html.erb
@@ -6,10 +6,11 @@
       <% end %>
     <% if User.current.manager_of_shixun?(@shixun) && @shixun.status == 0 %>
         <a href="<%= new_shixun_challenge_path(@shixun, :st => 0) %>" class="shixun-task-btn task-btn-green fr mt5">+实践任务</a>
-        <a href="<%= new_shixun_challenge_path(@shixun, :st => 1) %>" class="shixun-task-btn task-btn-green fr mr10 mt5">+多选任务</a>
-        <a href="<%= new_shixun_challenge_path(@shixun, :st => 2) %>" class="shixun-task-btn task-btn-green fr mr10 mt5">+单选任务</a>
+        <a href="<%= new_shixun_challenge_path(@shixun, :st => 1) %>" class="shixun-task-btn task-btn-green fr mr10 mt5">+选择题任务</a>
+      <!--  <a href="<%#= new_shixun_challenge_path(@shixun, :st => 2) %>" class="shixun-task-btn task-btn-green fr mr10 mt5">+单选任务</a>-->
         <!--<a href="<%#= new_shixun_challenge_path(@shixun, :st => 0) %>" class="shixun-task-btn task-btn-green fr mr5" style="margin: 5px 0;">新建阶段</a>-->
-    <% end %>  </div>
+    <% end %>
+  </div>
   <div class="panel-list shixun-panel-list">
     <% @challenges.each_with_index do |challenge, index| -%>
         <div class="clearfix shixun-panel-inner"  id="shixun_index_<%= index %>">
@@ -17,10 +18,8 @@
             <span class="panel-inner-icon mr10 fl mt5">
               <% if challenge.st == 0 %>
                 <i class="fa fa-code font-16 color_white" data-tip-down="实践任务"></i>
-              <% elsif challenge.st == 1 %>
+              <% else %>
                 <i class="fa fa-th-list color_white" data-tip-down="多选任务"></i>
-              <% elsif challenge.st == 2 %>
-                <img src="/images/bigdata/singel.png" style="margin-bottom: 3px" data-tip-down="单选任务">
               <% end%>
             </span>
            <!-- <i class="fa fa-dot-circle-o font-18 color-green mr10"></i>-->
diff --git a/app/views/challenges/_edit_task_pass.html.erb b/app/views/challenges/_edit_task_pass.html.erb
index 3ad1f1aa5..862d01231 100644
--- a/app/views/challenges/_edit_task_pass.html.erb
+++ b/app/views/challenges/_edit_task_pass.html.erb
@@ -23,30 +23,32 @@
           </li>
         </ul>
       </div>
-      <% if @challenge.st == 1 %>
-          <ul id="select_more">
-            <% @challenge.challenge_questions.each_with_index do |question, index| %>
-                <li class="clearfix mb10">
-                  <label class="panel-form-label fl <%= question.right_key ? 'color-orange03' : '' %>"><span class="mr10"><%= (question.position+ 65).chr %>.</span></label>
-                  <div class="fl panel-box-sizing panel-form-width-690 task-bg-grey break_full_word">
-                    <!--<input type="checkbox" name="select_more[]" value=""  class="ml-3 mr5 magic-checkbox" >-->
-                    <label><%= question.option_name %></label>
-                  </div>
-                </li>
-            <% end %>
-          </ul>
-      <% elsif  @challenge.st == 2 %>
-          <ul id="select_single">
-            <% @challenge.challenge_questions.each_with_index do |question, index| %>
-            <li class="clearfix mb10">
-              <label class="panel-form-label fl <%= question.right_key ? 'color-orange03' : '' %>"><span class="mr10"><%= (question.position+ 65).chr %>.</span></label>
-              <div class="fl panel-box-sizing panel-form-width-690 task-bg-grey break_full_word">
-                <!--<input name="select_single[]" value="" type="radio" class="ml-3 mr5 magic-radio" >-->
-                <label><%= question.option_name %></label>
-              </div>
-            </li>
-            <% end %>
-          </ul>
+      <% if false%>
+          <% if @challenge.st == 1 %>
+              <ul id="select_more">
+                <% @challenge.challenge_questions.each_with_index do |question, index| %>
+                    <li class="clearfix mb10">
+                      <label class="panel-form-label fl <%= question.right_key ? 'color-orange03' : '' %>"><span class="mr10"><%= (question.position+ 65).chr %>.</span></label>
+                      <div class="fl panel-box-sizing panel-form-width-690 task-bg-grey break_full_word">
+                        <!--<input type="checkbox" name="select_more[]" value=""  class="ml-3 mr5 magic-checkbox" >-->
+                        <label><%= question.option_name %></label>
+                      </div>
+                    </li>
+                <% end %>
+              </ul>
+          <% elsif  @challenge.st == 2 %>
+              <ul id="select_single">
+                <% @challenge.challenge_questions.each_with_index do |question, index| %>
+                    <li class="clearfix mb10">
+                      <label class="panel-form-label fl <%= question.right_key ? 'color-orange03' : '' %>"><span class="mr10"><%= (question.position+ 65).chr %>.</span></label>
+                      <div class="fl panel-box-sizing panel-form-width-690 task-bg-grey break_full_word">
+                        <!--<input name="select_single[]" value="" type="radio" class="ml-3 mr5 magic-radio" >-->
+                        <label><%= question.option_name %></label>
+                      </div>
+                    </li>
+                <% end %>
+              </ul>
+          <% end %>
       <% end %>
   <% end %>
   <% if @challenge.subject.blank? || !@editor.blank? %>
diff --git a/app/views/challenges/_score_form.html.erb b/app/views/challenges/_score_form.html.erb
index 989eb74ce..174b10ea1 100644
--- a/app/views/challenges/_score_form.html.erb
+++ b/app/views/challenges/_score_form.html.erb
@@ -27,7 +27,7 @@
     <span style="display: none" class="c_red ml90" id="new_shixun_score">分值设定不能为空</span>
   </li>
 
-  <div class="prop-notice-info mb10 ml95">
+  <div class="prop-notice-info mb10" style="margin-left: 10%">
     <ol>
       <% if @st == 0 %>
           <li>如果学员查看了参考答案，则不能得到相应的经验值</li>
diff --git a/app/views/challenges/_single_or_multiple_question.html.erb b/app/views/challenges/_single_or_multiple_question.html.erb
new file mode 100644
index 000000000..c157d6773
--- /dev/null
+++ b/app/views/challenges/_single_or_multiple_question.html.erb
@@ -0,0 +1,507 @@
+<%= stylesheet_link_tag '/editormd/css/editormd','/editormd/css/editormd.min.css' %>
+<%= javascript_include_tag '/editormd/editormd.min.js','/editormd/examples/js/jquery.min.js' %>
+<script id="t:set-option-list" type="text/html">
+  <li class="clearfix pr">
+    <label class="panel-form-label fl"><span class="option-item fr mr10 color-grey select-choice" onclick="selectchoice(this, <%= @category %>);" name="option_span" title="点击设置答案">A</span></label>
+    <input type="hidden" name="choice[answer][]">
+    <textarea class="panel-form-width2-690 fl panel-box-sizing" name="question[cnt][]" placeholder="请输入选项内容"></textarea>
+    <a title="移除" class="position-delete option_icon_remove"><i class="fa fa-times-circle color-orange font-16 fl"></i></a>
+  </li>
+</script>
+<%= form_for("", :url => "", :html => {:id => 'challenge_choose_update'}) do |f| %>
+<%#= form_tag(url_for(new_or_edit_choose_question_shixun_challenge_path(@challenge, :shixun_id => @shixun, :type => @type, :position => @position)), :remote => true, :id => 'challenge_choose_update') do |f| %>
+    <li class="clearfix pt30 pr30">
+      <a href="javascript:void(0);" class="task-btn task-btn-green fr" >编辑</a>
+      <a href="javascript:void(0)" class="task-btn fr mr10 deloption-btn" id="skill_cancel">删除</a>
+    </li>
+    <div class="panel-form">
+      <div id="shixun_form">
+        <li class="clearfix">
+          <label class="panel-form-label fl"><span class="c_red mr5">*</span>题干：</label>
+          <div id="challenge_choose_subject" class="fl task-bg-grey panel-box-sizing panel-form-width-690 new_li">
+            <textarea name="choose[subject]"><%= @challenge_choose.try(:subject) %></textarea>
+          </div>
+          <span style="display: none;margin-left: 10%;" class="c_red" id="new_shixun_name">题干不能为空</span>
+        </li>
+        <% if @challenge_choose.blank?  %>
+            <li class="clearfix pr">
+              <label class="panel-form-label fl"><span class="option-item fr mr10 color-grey select-choice" onclick="selectchoice(this, <%= @category %>);" name="option_span" title="点击设置答案">A</span></label>
+              <input type="hidden" name="choice[answer][]">
+              <textarea class="panel-form-width2-690 fl panel-box-sizing" name="question[cnt][]" placeholder="请输入选项内容"></textarea>
+              <a title="移除" class="position-delete option_icon_remove"><i class="fa fa-times-circle color-orange font-16 fl"></i></a>
+            </li>
+            <li class="clearfix pr">
+              <label class="panel-form-label fl"><span class="option-item fr mr10 color-grey select-choice" onclick="selectchoice(this, <%= @category %>);" name="option_span" title="点击设置答案">B</span></label>
+              <input type="hidden" name="choice[answer][]">
+              <textarea class="panel-form-width2-690 fl panel-box-sizing" name="question[cnt][]" placeholder="请输入选项内容"></textarea>
+              <a title="移除" class="position-delete option_icon_remove"><i class="fa fa-times-circle color-orange font-16 fl"></i></a>
+            </li>
+            <li class="clearfix pr">
+              <label class="panel-form-label fl"><span class="option-item fr mr10 color-grey select-choice" onclick="selectchoice(this, <%= @category %>);" name="option_span" title="点击设置答案">C</span></label>
+              <input type="hidden" name="choice[answer][]">
+              <textarea class="panel-form-width2-690 fl panel-box-sizing" name="question[cnt][]" placeholder="请输入选项内容"></textarea>
+              <a title="移除" class="position-delete option_icon_remove"><i class="fa fa-times-circle color-orange font-16 fl"></i></a>
+            </li>
+            <li class="clearfix pr">
+              <label class="panel-form-label fl"><span class="option-item fr mr10 color-grey select-choice" onclick="selectchoice(this, <%= @category %>);" name="option_span" title="点击设置答案">D</span></label>
+              <input type="hidden" name="choice[answer][]">
+              <textarea class="panel-form-width2-690 fl panel-box-sizing" name="question[cnt][]" placeholder="请输入选项内容"></textarea>
+              <a title="移除" class="position-delete option_icon_remove"><i class="fa fa-times-circle color-orange font-16 fl"></i></a>
+            </li>
+        <% else%>
+            <% @challenge_choose.challenge_questions.each_with_index do |question, index| %>
+                <li class="clearfix pr">
+                  <label class="panel-form-label fl"><span class="option-item fr mr10 color-grey select-choice <%= question.right_key ? "check-option-bg" : "" %>" onclick="selectchoice(this, <%= @challenge_choose.category %>);" name="option_span" title="点击设置答案"><%= (question.try(:position) + 65).chr %></span></label>
+                  <input type="hidden" name="choice[answer][]">
+                  <textarea class="panel-form-width2-690 fl panel-box-sizing" name="question[cnt][]" placeholder="请输入选项内容"><%= question.try(:option_name) %></textarea>
+                  <a title="移除" class="position-delete option_icon_remove"><i class="fa fa-times-circle color-orange font-16 fl"></i></a>
+                </li>
+            <% end %>
+        <% end %>
+        <ul>
+          <li class="clearfix mb10" >
+            <label class="panel-form-label fl"><span class="add-option-item fr mr10 color-grey border-dash-orange" name="option_span"><%= @challenge_choose.blank? ? "E" : (@challenge_choose.challenge_questions.count + 65).chr %></span></label>
+            <div class="fl panel-box-sizing add-option-input border-dash-orange"><a title="新增" class="option_icon_add">新增选项</a></div>
+          </li>
+          <span style="display: none" class="c_red ml95" id="choice_error_tip"></span>
+          <li class="clearfix" ><label class="fl" style="margin-left: 10%">温馨提示：点击选项，可以直接设置答案</label><label class="fr">标准答案：<span id="current-option" class="color-orange"><%= @challenge_choose.blank? ? "请点击正确选项" : @challenge_choose.try(:standard_answer) %></span></label></li>
+          <input type="hidden" name="standard_answer" value="<%= @challenge_choose.try(:standard_answer) %>">
+        </ul>
+      </div>
+    </div>
+    <p class="bor-bottom-greyE"></p>
+    <!--参考答案-->
+    <li class="clearfix" style="line-height:1.9;">
+      <label class=" panel-form-label fl"> 参考答案：</label>
+      <div id="challenge_choose_answer" class="new_li">
+        <textarea name="choose[answer]"><%= @challenge_choose.try(:answer) %></textarea>
+      </div>
+      <p id="e_tip_in" style="margin-left: 10%" class="c_grey"></p>
+      <p id="e_tips_in" style="margin-left: 10%" class="c_grey"></p>
+    </li>
+    <p class="bor-bottom-greyE"></p>
+    <!--经验值设置-->
+    <div class="panel-form">
+      <div id="shixun_form">
+        <li class="clearfix">
+          <label class="panel-form-label fl"><span class="c_red mr5">*</span>难易度：</label>
+    <span class="fl mt3 mr10">
+        <input id="challenge_difficulty_1" class="magic-radio" name="challenge[difficulty]" type="radio" value="1" <%= ((@challenge_choose.try(:difficult) == 1 || @challenge_choose.nil?) ? "checked" : "")%> >
+        <label for="challenge_difficulty_1">简单</label>
+    </span>
+    <span class="fl mt3 mr10">
+        <input id="challenge_difficulty_2" class="magic-radio" name="challenge[difficulty]" type="radio" value="2" <%= (@challenge_choose.try(:difficult)== 2 ? "checked" : "")%> >
+        <label for="challenge_difficulty_2">中等</label>
+    </span>
+    <span class="fl mt3">
+        <input id="challenge_difficulty_3" class="magic-radio" name="challenge[difficulty]" type="radio" value="3" <%= (@challenge_choose.try(:difficult) == 3 ? "checked" : "")%> >
+        <label for="challenge_difficulty_3">困难</label>
+    </span>
+        </li>
+        <li class="clearfix">
+          <label class="panel-form-label fl"><span class="c_red mr5">*</span>奖励经验值：</label>
+          <%= select_tag :challenge_score, options_for_select([100, 200]), :name => 'challenge[score]', :class => " fl", :style => "height: 40px; width:170px;" %>
+          <div class="clear"></div>
+          <span style="display: none" class="c_red ml90" id="new_shixun_score">分值设定不能为空</span>
+        </li>
+
+        <div class="prop-notice-info mb10" style="margin-left: 10%">
+          <ol>
+            <li>如果学员答题错误，则不能得到相应的经验值</li>
+            <li>如果学员成功得到经验值，那么将同时获得等值的金币奖励，如：+10经验值、+10金币</li>
+          </ol>
+        </div>
+      </div>
+    </div>
+    <p class="bor-bottom-greyE"></p>
+    <!--技能标签-->
+    <div class="panel-form">
+      <div id="shixun_form">
+        <li class="clearfix" style="margin-bottom: 0;">
+          <label class=" panel-form-label fl"> 技能标签：</label>
+          <div class="fl task-bd-grey">
+            <% unless @challenge_choose.blank? %>
+                <% @challenge_choose.challenge_tags.each do |tag| %>
+                    <div class="task-tag tag-grey mt5 mr10 fl">
+                      <button data-dismiss="alert" class="close fr mt3 ml5" type="button" onclick="close_tag(this)">×</button>
+                      <input class='knowledge_frame' name='knowledge[input][]' value="<%= tag.try(:name)%>" />
+                    </div>
+                <% end %>
+            <% end %>
+            <div class="task-tag tag-grey mt5 mr10 fl" id="add_shixun_skill">
+              <button data-dismiss="alert" class="close fr mt3 ml5" type="button" onclick="$('#add_shixun_skill').slideToggle();">×</button>
+              <input type="text" class="task-tag-input" onblur="add_tag();" id="shixun_skill_input" placeholder="请输入技能标签" />
+            </div>
+            <a href="javascript:void(0);" onclick="$('#add_shixun_skill').slideToggle();" id="add_knowledge" style="color: #627bfd;float: left;margin-top: 5px">+添加</a>
+          </div>
+        </li>
+        <p class="color-red" style="height: 25px;margin-left: 10%"><span id="stage_name_notice" style="display: none;"><i class="fa fa-exclamation-circle color-red mr5"></i>技能标签不能为空</span></p>
+        <div class="prop-notice-info mb10" style="margin-left: 10%">
+          <ol>
+            <li>学员答题正确将获得技能，否则不能获得技能</li>
+          </ol>
+        </div>
+      </div>
+    </div>
+    <li class="clearfix pr30 pb30">
+      <a href="javascript:void(0);" class="task-btn task-btn-green fr" onclick="challenge_choose_update(<%= @category %>, '<%= @challenge_choose.blank? ? "new" : 'edit' %>')">保存</a>
+      <a href="javascript:void(0)" class="task-btn fr mr10" id="skill_cancel">取消</a>
+    </li>
+<% end %>
+<script>
+    subject_editormd =  editormd("challenge_choose_subject", {
+        width   : "89.6%",
+        height  : 400,
+        syncScrolling : "single",
+        //你的lib目录的路径，我这边用JSP做测试的
+        path    : "/editormd/lib/",
+        tex  : true,
+        autoFocus: false,
+        toolbarIcons : function() {
+            // Or return editormd.toolbarModes[name]; // full, simple, mini
+            // Using "||" set icons align right.
+            return ["bold", "italic", "|", "list-ul", "list-ol", "|", "code", "code-block", "|", "testIcon", "testIcon1", '|', "image", "table", '|', "watch", "clear" ]
+        },
+        toolbarCustomIcons : {
+            testIcon  : "<a type=\"inline\" class=\"latex\" ><div class='zbg'></div></a>",
+            testIcon1 : "<a type=\"latex\" class=\"latex\" ><div class='zbg_latex'></div></a>"
+        },
+        //这个配置在simple.html中并没有，但是为了能够提交表单，使用这个配置可以让构造出来的HTML代码直接在第二个隐藏的textarea域中，方便post提交表单。
+        saveHTMLToTextarea : true,
+        // 用于增加自定义工具栏的功能，可以直接插入HTML标签，不使用默认的元素创建图标
+        dialogMaskOpacity : 0.6,
+        placeholder: "请输入选择题的题干内容" ,
+        imageUpload : true,
+        imageFormats : ["jpg", "jpeg", "gif", "png", "bmp", "webp", "JPG", "JPEG", "GIF", "PNG", "BMP", "WEBP"],
+        imageUploadURL : "<%= upload_with_markdown_path(:container_id => @shixun.id, :container_type => @shixun.class) %>"//url
+    });
+
+    choose_answer_editormd =  editormd("challenge_choose_answer", {
+        width   : "89.6%",
+        height  : 400,
+        syncScrolling : "single",
+        //你的lib目录的路径，我这边用JSP做测试的
+        path    : "/editormd/lib/",
+        tex  : true,
+        autoFocus: false,
+        toolbarIcons : function() {
+            // Or return editormd.toolbarModes[name]; // full, simple, mini
+            // Using "||" set icons align right.
+            return ["bold", "italic", "|", "list-ul", "list-ol", "|", "code", "code-block", "|", "testIcon", "testIcon1", '|', "image", "table", '|', "watch", "clear" ]
+        },
+        toolbarCustomIcons : {
+            testIcon  : "<a type=\"inline\" class=\"latex\" ><div class='zbg'></div></a>",
+            testIcon1 : "<a type=\"latex\" class=\"latex\" ><div class='zbg_latex'></div></a>"
+        },
+        //这个配置在simple.html中并没有，但是为了能够提交表单，使用这个配置可以让构造出来的HTML代码直接在第二个隐藏的textarea域中，方便post提交表单。
+        saveHTMLToTextarea : true,
+        // 用于增加自定义工具栏的功能，可以直接插入HTML标签，不使用默认的元素创建图标
+        dialogMaskOpacity : 0.6,
+        placeholder: "请输入各个选项的具体解析或其他相关信息",
+        imageUpload : true,
+        imageFormats : ["jpg", "jpeg", "gif", "png", "bmp", "webp", "JPG", "JPEG", "GIF", "PNG", "BMP", "WEBP"],
+        imageUploadURL : "<%= upload_with_markdown_path(:container_id => @shixun.id, :container_type => @shixun.class) %>"//url
+    });
+    //技能标签
+    var SnSkill = $(".knowledge_frame").length;
+    function add_tag(){
+        var num = $(".task-bd-grey").children('div').length;
+        var val = $(".task-tag-input").val().trim();
+        if (val != ""){
+            testLength = $(".task-tag-input").val().trim().length;
+            $("#add_shixun_skill").before("<div class='task-tag tag-grey mt5 mr10 fl' id='knowledge_" + num + "'>" +
+                    "<button data-dismiss='alert' class='close fr mt3 ml5' type='button' onclick='close_tag(this)'>×</button>" +
+                    "<input style='width:"+ testLength*12 +"px' class='knowledge_frame' name='knowledge[input][]' value='" + val +"'>" +
+                    " </div>");
+            $(".task-tag-input").attr("value","");
+        }
+        $("#shixun_skill_input").val("");
+        $("#add_shixun_skill").hide();
+        var nSkill = $(".knowledge_frame");
+        console.log(nSkill.length);
+        if (nSkill.length > 0){
+            //$("#challenge_skill_update").submit();     //当增加或者保存技能标签以后执行保存操作
+        }else{
+            $("#stage_name_notice").show();
+        }
+    }
+
+    function close_tag(thisObj){
+        // 获取父节点的id
+        var obj = $(thisObj).parent();
+        $(obj).remove();
+        //$("#challenge_skill_update").submit();
+    }
+
+
+    $(function(){
+        var bt = baidu.template;
+        bt.LEFT_DELIMITER = '<!';
+        bt.RIGHT_DELIMITER = '!>';
+        $(".option_icon_add").on('click', function () {
+            var html = bt('t:set-option-list', null);
+            $(this).parent().parent('.clearfix').before(html);
+            var inputs = document.getElementsByName("question[cnt][]");
+            var inputs_spans = document.getElementsByName("option_span");
+            for (var j = 0; j < inputs_spans.length; j++) {
+                if(j >= 0 && j <= 26){
+                    $(inputs_spans[j]).html(String.fromCharCode(65 + j));
+                }
+            }
+            for (var i = 0; i < inputs.length; i++) {
+                autoTextarea(inputs[i], 0, 140);
+            }
+            $(inputs[inputs.length - 1]).focus();
+        });
+        $(".option_icon_add").on('click', function () {
+            $(this).parent('.clearfix').remove();
+            var inputs_spans = document.getElementsByName("option_span");
+            for (var j = 0; j < inputs_spans.length; j++) {
+                if(j >= 0 && j <= 26){
+                    if(j >= 0 && j <= 26){
+                        $(inputs_spans[j]).html(String.fromCharCode(65 + j));
+                    }
+                }
+            }
+            $("#current-option").html("");
+            if($(".check-option-bg").length>0){
+                for(var i=0;i<$(".check-option-bg").length;i++){
+                    $("#current-option").html($("#current-option").html()+$(".check-option-bg").eq(i).html());
+                }
+            }else{
+                $("#current-option").html("请点击正确选项");
+            }
+        });
+        $("#shixun_form").on('click', 'a.option_icon_remove', function () {
+            $(this).parent('.clearfix').remove();
+            var inputs_spans = document.getElementsByName("option_span");
+            for (var j = 0; j < inputs_spans.length; j++) {
+                if(j >= 0 && j <= 26){
+                    if(j >= 0 && j <= 26){
+                        $(inputs_spans[j]).html(String.fromCharCode(65 + j));
+                    }
+                }
+            }
+            $("#current-option").html("");
+            if($(".check-option-bg").length>0){
+                for(var i=0;i<$(".check-option-bg").length;i++){
+                    $("#current-option").html($("#current-option").html()+$(".check-option-bg").eq(i).html());
+                }
+            }else{
+                $("#current-option").html("请点击正确选项");
+            }
+        });
+    });
+
+    //设置选项答案
+    function selectchoice(item, st){
+        //判断是否选中，如果选中，再次点击的时候取消选中
+        if($(item).hasClass('check-option-bg')){
+            $(item).removeClass('check-option-bg');
+        }else{
+            if(st == 1){
+                //单选
+                $(".select-choice").removeClass('check-option-bg');
+                $(item).addClass('check-option-bg');
+            }else{
+                //多选
+                $(item).addClass('check-option-bg');
+            }
+        }
+        $("#current-option").html("");
+        if($(".check-option-bg").length>0){
+            for(var i=0;i<$(".check-option-bg").length;i++){
+                $("#current-option").html($("#current-option").html()+$(".check-option-bg").eq(i).html());
+                $("input[name='standard_answer']").val($("#current-option").html())
+            }
+        }else{
+            $("#current-option").html("请点击正确选项");
+        }
+    }
+    // 判断选择题的答案
+    function set_choice_answer(){
+        var answer = document.getElementsByName("choice[answer][]");
+        var choice = document.getElementsByName("option_span");
+        for(var o = 0; o < choice.length; o++){
+            if($(choice[o]).hasClass("check-option-bg")){
+                $(answer[o]).val(String.fromCharCode(65 + o));
+            }else{
+                $(answer[o]).val(0);
+            }
+        }
+    }
+
+    // 判断选择题内容是否为空
+    function judge_choice_contents(){
+        var answer = document.getElementsByName("choice[answer][]");
+        var contents = document.getElementsByName("question[cnt][]");
+        var lens = contents.length;
+        for(var i = 0; i < lens; i++){
+            if($(contents[i]).val().trim() == ""){
+                return true;
+            }
+        }
+        return false;
+    }
+
+    // 判断选择题选择答案的个数
+    function judge_choice_answer(){
+        var answer = document.getElementsByName("choice[answer][]");
+        var lens = answer.length;
+        var num = 0;
+        for(var i= 0; i < lens; i++){
+            if($(answer[i]).val() != "0"){
+                num += 1;
+            }
+        }
+        return num;
+    }
+
+    // 选择题选项的个数
+    function choice_num(){
+        var answer = document.getElementsByName("choice[answer][]");
+        var lens = answer.length;
+        return lens;
+    }
+    // 根据难易程度设置不同的奖励经验值（适用新建与编辑模式）
+    var list  = $('input:radio[name="challenge[difficulty]"]:checked').val(); // 获取select的索引值
+    var index = parseInt(<%= @st == 0 ? 1 : 10 %>); // 单选 与 多选分数系数
+    if(list == 1){
+        $("#challenge_score").empty();
+        for(var i = 100; i <= 200; i += 100){
+            $("#challenge_score").append("<option value="+ i/index + ">"+ i/index +"</option>");
+        }
+    }else if(list == 2){
+        $("#challenge_score").empty();
+        for(var i = 300; i <= 600; i += 100){
+            $("#challenge_score").append("<option value="+ i/index + ">"+ i/index +"</option>");
+        }
+    }else if(list == 3){
+        $("#challenge_score").empty();
+        for(var i= 700; i <= 1000; i += 100){
+            $("#challenge_score").append("<option value="+ i/index + ">"+ i/index +"</option>");
+        }
+    }
+    $("#challenge_score").find("option[value='<%= @challenge.score %>']").attr("selected",true); // 设置option默认值
+    $("#challenge_difficulty_1").click(function(){
+        $("#challenge_score").empty();
+        for(var i = 100; i <= 200; i += 100){
+            $("#challenge_score").append("<option value="+ i/index + ">"+ i/index +"</option>");
+        }
+    });
+    $("#challenge_difficulty_2").click(function(){
+        $("#challenge_score").empty();
+        for(var i = 300; i <= 600; i += 100){
+            $("#challenge_score").append("<option value="+ i/index + ">"+ i/index +"</option>");
+        }
+    });
+    $("#challenge_difficulty_3").click(function(){
+        $("#challenge_score").empty();
+        for(var i= 700; i <= 1000; i += 100){
+            $("#challenge_score").append("<option value="+ i/index + ">"+ i/index +"</option>");
+        }
+    });
+/*    function challenge_score_update(){
+        if($("#challenge_score").val().trim()==""){
+            $("#challenge_score").focus();
+            $("#new_shixun_score").show();
+        }else{
+            $('#challenge_score_update').submit();
+        }
+    }*/
+
+    $("#score_cancel").click(function(){
+        $("#scoring_edit").hide();
+        $("#scroe_show").show();
+    });
+
+    function challenge_choose_update(st, action){
+        set_choice_answer();
+        var error = $("#choice_error_tip");
+        if($('#challenge_choose_subject textarea').val().trim() == ""){
+            $("#challenge_choose_subject textarea").focus();
+            $("#new_shixun_name").show();
+        }else if(judge_choice_contents()){
+            error.html("选项不能为空").show();
+        }else{
+            if(st == "1"){
+                if(judge_choice_contents()) {
+                    error.html("选项内容不能为空").show();
+                }else if(choice_num() < 2){
+                    error.html("单选题选项不能少于2个").show();
+                }else if(judge_choice_answer() == 0){
+                    error.html("请设置答案").show();
+                }else{
+                    if(action == "new"){
+                        $.ajax({
+                            url: "<%= new_choose_question_shixun_challenge_path(@challenge, :shixun_id => @shixun, :category => @category, :position => @position) %>",
+                            data: $("#challenge_choose_update").serialize(),
+                            type: 'POST',
+                            dataType: "script",
+                            success: function(){
+
+                            }
+                        });
+                    }else{
+                        $.ajax({
+                            url: "<%= update_choose_question_shixun_challenge_path(@challenge, :shixun_id => @shixun, :choose_id => @challenge_choose.try(:id), :index => @position ) %>",
+                            data: $("#challenge_choose_update").serialize(),
+                            type: 'POST',
+                            dataType: "script",
+                            success: function(){
+                            }
+                        });
+                    }
+                }
+            }else if(st == "2"){
+                if(judge_choice_contents()) {
+                    error.html("选项内容不能为空").show();
+                }else if(choice_num() < 3){
+                    error.html("多选题选项不能少于3个").show();
+                }else if(judge_choice_answer() < 2){
+                    error.html("答案不能少于2个").show();
+                }else{
+                    if(action == "new"){
+                        $.ajax({
+                            url: "<%= new_choose_question_shixun_challenge_path(@challenge, :shixun_id => @shixun, :category => @category, :position => @position) %>",
+                            data: $("#challenge_choose_update").serialize(),
+                            type: 'POST',
+                            dataType: "script",
+                            success: function(){
+                            }
+                        });
+                    }else{
+                        $.ajax({
+                            url: "<%= update_choose_question_shixun_challenge_path(@challenge, :shixun_id => @shixun, :choose_id => @challenge_choose.try(:id), :index => @position) %>",
+                            data: $("#challenge_choose_update").serialize(),
+                            type: 'POST',
+                            dataType: "script",
+                            success: function(){
+                            }
+                        });
+                    }
+                }
+            }else{
+                if(action == "new"){
+                    $.ajax({
+                        url: "<%= new_choose_question_shixun_challenge_path(@challenge, :shixun_id => @shixun, :category => @category, :position => @position) %>",
+                        data: $("#challenge_choose_update").serialize(),
+                        type: 'POST',
+                        dataType: "script",
+                        success: function(){
+                        }
+                    });
+                }else{
+                    $.ajax({
+                        url: "<%= update_choose_question_shixun_challenge_path(@challenge, :shixun_id => @shixun, :choose_id => @challenge_choose.try(:id), :index => @position) %>",
+                        data: $("#challenge_choose_update").serialize(),
+                        type: 'POST',
+                        dataType: "script",
+                        success: function(){
+                        }
+                    });
+                }
+            }
+        }
+    }
+</script>
\ No newline at end of file
diff --git a/app/views/challenges/_single_or_multiple_question_show.html.erb b/app/views/challenges/_single_or_multiple_question_show.html.erb
new file mode 100644
index 000000000..c1ccb6a32
--- /dev/null
+++ b/app/views/challenges/_single_or_multiple_question_show.html.erb
@@ -0,0 +1,109 @@
+<div class="white_bg">
+    <div class="panel-form">
+      <li class="clearfix pr30">
+        <a href="<%= edit_choose_question_shixun_challenge_path(@challenge, :shixun_id => @shixun, :choose_id => @challenge_choose.id, :index => @index) %>" data-remote="true" class="task-btn task-btn-green fr">编辑</a>
+        <a href="<%= destroy_challenge_choose_shixun_challenge_path(@challenge, :shixun_id => @shixun, :choose_id => @challenge_choose.id) %>" data-method="delete" class="task-btn fr mr10 deloption-btn">删除</a>
+      </li>
+      <li class="clearfix">
+        <label class="panel-form-label fl">题干：&nbsp;&nbsp;</label>
+        <div class="fl panel-box-sizing panel-form-width-690 new_li white_bg bor-grey-e" id="challenge_choose_subject_show" style="width: 90%;">
+          <textarea name="choose[subject]"><%= @challenge_choose.subject %></textarea>
+        </div>
+      </li>
+      <% @challenge_choose.challenge_questions.each_with_index do |option, index| %>
+          <li class="clearfix">
+            <label class="panel-form-label fl <%= option.right_key ? 'color-orange03' : '' %>"><%= (option.position+ 65).chr %>：&nbsp;&nbsp;</label>
+            <div class="fl task-bg-grey panel-box-sizing panel-form-width-690 color-grey3">
+              <%= option.option_name %>
+            </div>
+          </li>
+      <% end %>
+    </div>
+    <p class="bor-bottom-greyE"></p>
+    <div class="panel-form">
+      <li class="clearfix">
+        <label class="panel-form-label fl">参考答案：&nbsp;&nbsp;</label>
+        <div class="fl panel-box-sizing panel-form-width-690 new_li white_bg bor-grey-e" id="choose_task_pass_show" style="width: 90%;">
+          <textarea name="choose[subject]"><%= @challenge_choose.answer %></textarea>
+        </div>
+      </li>
+    </div>
+    <p class="bor-bottom-greyE"></p>
+    <div class="panel-form">
+      <li class="clearfix">
+        <label class="panel-form-label fl">难易度：&nbsp;&nbsp;</label>
+        <div class="fl task-bg-grey panel-box-sizing panel-form-width-690 color-grey3">
+          <%= difficulty_type @challenge_choose.difficult %>
+        </div>
+      </li>
+      <li class="clearfix">
+        <label class="panel-form-label fl">奖励经验值：&nbsp;&nbsp;</label>
+        <div class="fl task-bg-grey panel-box-sizing panel-form-width-690 color-grey3">
+          <%= @challenge_choose.score.nil? ? 0 : @challenge_choose.score %>分
+        </div>
+      </li>
+    </div>
+    <p class="bor-bottom-greyE"></p>
+    <div class="panel-form">
+        <li class="clearfix">
+          <label class="panel-form-label fl">技能标签：&nbsp;&nbsp;</label>
+          <div class="fl task-inputs">
+            <% if  @challenge_choose.challenge_tags.blank? %>
+                无
+            <% else %>
+                <% @challenge_choose.challenge_tags.each do |tag| %>
+                    <div class="task-tag tag-grey mb10 mr10 fl">
+                      <%= tag.name %>
+                    </div>
+                <% end %>
+            <% end %>
+          </div>
+        </li>
+    </div>
+</div>
+
+<script>
+    $(document).ready(function() {
+        editormd.loadKaTeX(function() {
+            var taskPassMD = editormd.markdownToHTML("challenge_choose_subject_show", {
+                htmlDecode: "style,script,iframe",  // you can filter tags decode
+                taskList: true,
+                tex: true,  // 默认不解析
+                flowChart: true,  // 默认不解析
+                sequenceDiagram: true // 默认不解析
+            });
+            var taskPassMD = editormd.markdownToHTML("choose_task_pass_show", {
+                htmlDecode: "style,script,iframe",  // you can filter tags decode
+                taskList: true,
+                tex: true,  // 默认不解析
+                flowChart: true,  // 默认不解析
+                sequenceDiagram: true // 默认不解析
+            });
+        });
+    });
+  /*  //技能标签
+    var SnSkill = $(".knowledge_frame").length;
+
+    function add_tag(){
+        var num = $(".task-inputs").children('div').length;
+        var val = $(".tags").val().trim();
+        if (val != ""){
+            testLength = $(".tags").val().trim().length;
+            $("#add_shixuns_skill").before("<div class='task-tag tag-grey mt5 mr10 fl' id='knowledge_" + num + "'>" +
+                    "<button data-dismiss='alert' class='close fr mt3 ml5' type='button' onclick='close_tag(this)'>×</button>" +
+                    "<input style='width:"+ testLength*12 +"px' class='knowledge_frame' name='knowledge[input][]' value='" + val +"'>" +
+                    " </div>");
+            $(".tags").attr("value","");
+        }
+        $("#shixuns_skill_input").val("");
+        $("#add_shixuns_skill").hide();
+        var nSkill = $(".knowledge_frame");
+        console.log(nSkill.length);
+    }
+
+    function close_tag(thisObj){
+        // 获取父节点的id
+        var obj = $(thisObj).parent();
+        $(obj).remove();
+    }*/
+</script>
\ No newline at end of file
diff --git a/app/views/challenges/_skill_form.html.erb b/app/views/challenges/_skill_form.html.erb
index 2a506ed7d..99f88e0c2 100644
--- a/app/views/challenges/_skill_form.html.erb
+++ b/app/views/challenges/_skill_form.html.erb
@@ -11,15 +11,15 @@
           <% end %>
       <% end %>
 
-      <div class="task-tag tag-grey mt5 mr10 fl <%#= @challenge_tags.count > 0 ? "undis" : "" %>" id="add_shixun_skill">
+      <div class="task-tag tag-grey mt5 mr10 fl <%= @challenge_tags.count > 0 ? "undis" : "" %>" id="add_shixun_skill">
         <button data-dismiss="alert" class="close fr mt3 ml5" type="button" onclick="$('#add_shixun_skill').slideToggle();">×</button>
         <input type="text" class="task-tag-input" onblur="add_tag();" id="shixun_skill_input" placeholder="请输入技能标签" />
       </div>
       <a href="javascript:void(0);" onclick="$('#add_shixun_skill').slideToggle();" id="add_knowledge" style="color: #627bfd;float: left;margin-top: 5px">+添加</a>
     </div>
   </li>
-  <p class="color-red ml95" style="height: 25px;"><span id="stage_name_notice" style="display: none;"><i class="fa fa-exclamation-circle color-red mr5"></i>技能标签不能为空</span></p>
-  <div class="prop-notice-info mb10 ml40">
+  <p class="color-red" style="height: 25px;margin-left: 10%"><span id="stage_name_notice" style="display: none;"><i class="fa fa-exclamation-circle color-red mr5"></i>技能标签不能为空</span></p>
+  <div class="prop-notice-info mb10" style="margin-left: 10%">
     <ol>
       <% if @st == 0 %>
         <li>学员未参考答案通过了本阶段的评测时将获得技能，否则不能获得技能</li>
@@ -29,10 +29,10 @@
     </ol>
   </div>
 
-  <!--<li class="clearfix">-->
-    <!--<a href="javascript:void(0);" class="task-btn task-btn-green fr" onclick="challenge_skill_update();">保存</a>-->
-    <!--<a href="<%#= edit_shixun_challenge_path(@challenge, :shixun_id => @shixun, :tab => 5) %>" class="task-btn fr mr10" id="skill_cancel">取消</a>-->
-  <!--</li>-->
+  <li class="clearfix">
+    <a href="javascript:void(0);" class="task-btn task-btn-green fr" onclick="challenge_skill_update();">保存</a>
+    <a href="<%= edit_shixun_challenge_path(@challenge, :shixun_id => @shixun, :tab => 5) %>" class="task-btn fr mr10" id="skill_cancel">取消</a>
+  </li>
 </div>
 
 <script type="text/javascript">
diff --git a/app/views/challenges/_task_edit_page.html.erb b/app/views/challenges/_task_edit_page.html.erb
new file mode 100644
index 000000000..06295a539
--- /dev/null
+++ b/app/views/challenges/_task_edit_page.html.erb
@@ -0,0 +1,5 @@
+<ul class="" id="task_pass_edit">
+  <%= labelled_form_for @challenge, :url => shixun_challenge_path(@challenge, :shixun_id => @shixun, :tab => 1), :html => {:id => "challenge_shixun_update"} do |f| %>
+      <%= render :partial => "task_pass_form", :locals => {:f => f} %>
+  <% end %>
+</ul>
\ No newline at end of file
diff --git a/app/views/challenges/_task_pass_form.html.erb b/app/views/challenges/_task_pass_form.html.erb
index db5b04874..215f085d5 100644
--- a/app/views/challenges/_task_pass_form.html.erb
+++ b/app/views/challenges/_task_pass_form.html.erb
@@ -34,66 +34,8 @@
     <p id="e_tips_in" style="margin-left: 10%" class="c_grey"></p>
     <span style="display: none;margin-left: 10%;" class="c_red" id="new_shixun_pass">过关任务不能为空</span>
   </li>
-  <% if @st != 0 %>
-      <% if params[:action] == "edit" && @challenge.challenge_questions.count > 0 %>
-          <% @challenge.challenge_questions.each_with_index do |question, index| %>
-              <li class="clearfix pr">
-                <label class="panel-form-label fl"><span class="option-item fr mr10 color-grey select-choice <%= question.right_key ? "check-option-bg" : "" %>" onclick="selectchoice(this, <%= @st %>);" name="option_span" title="点击设置答案"><%= (question.position+ 65).chr %></span></label>
-                <input type="hidden" name="choice[answer][]">
-                <textarea class="panel-form-width2-690 fl panel-box-sizing" name="question[cnt][]" placeholder="请输入选项内容"><%= question.option_name %></textarea>
-                <a title="移除" class="position-delete option_icon_remove"><i class="fa fa-times-circle color-orange font-16 fl"></i></a>
-              </li>
-          <% end %>
-      <% elsif @st == 2 %>
-          <li class="clearfix pr">
-            <label class="panel-form-label fl"><span class="option-item fr mr10 color-grey select-choice" onclick="selectchoice(this, <%= @st %>);" name="option_span" title="点击设置答案">A</span></label>
-            <input type="hidden" name="choice[answer][]">
-            <textarea class="panel-form-width2-690 fl panel-box-sizing" name="question[cnt][]" placeholder="请输入选项内容"></textarea>
-            <a title="移除" class="position-delete option_icon_remove"><i class="fa fa-times-circle color-orange font-16 fl"></i></a>
-          </li>
-          <li class="clearfix pr">
-            <label class="panel-form-label fl"><span class="option-item fr mr10 color-grey select-choice" onclick="selectchoice(this, <%= @st %>);" name="option_span" title="点击设置答案">B</span></label>
-            <input type="hidden" name="choice[answer][]">
-            <textarea class="panel-form-width2-690 fl panel-box-sizing" name="question[cnt][]" placeholder="请输入选项内容"></textarea>
-            <a title="移除" class="position-delete option_icon_remove"><i class="fa fa-times-circle color-orange font-16 fl"></i></a>
-          </li>
-      <% else %>
-          <li class="clearfix pr">
-            <label class="panel-form-label fl"><span class="option-item fr mr10 color-grey select-choice" onclick="selectchoice(this, <%= @st %>);" name="option_span" title="点击设置答案">A</span></label>
-            <input type="hidden" name="choice[answer][]">
-            <textarea class="panel-form-width2-690 fl panel-box-sizing" name="question[cnt][]" placeholder="请输入选项内容"></textarea>
-            <a title="移除" class="position-delete option_icon_remove"><i class="fa fa-times-circle color-orange font-16 fl"></i></a>
-          </li>
-          <li class="clearfix pr">
-            <label class="panel-form-label fl"><span class="option-item fr mr10 color-grey select-choice" onclick="selectchoice(this, <%= @st %>);" name="option_span" title="点击设置答案">B</span></label>
-            <input type="hidden" name="choice[answer][]">
-            <textarea class="panel-form-width2-690 fl panel-box-sizing" name="question[cnt][]" placeholder="请输入选项内容"></textarea>
-            <a title="移除" class="position-delete option_icon_remove"><i class="fa fa-times-circle color-orange font-16 fl"></i></a>
-          </li>
-          <li class="clearfix pr">
-            <label class="panel-form-label fl"><span class="option-item fr mr10 color-grey select-choice" onclick="selectchoice(this, <%= @st %>);" name="option_span" title="点击设置答案">C</span></label>
-            <input type="hidden" name="choice[answer][]">
-            <textarea class="panel-form-width2-690 fl panel-box-sizing" name="question[cnt][]" placeholder="请输入选项内容"></textarea>
-            <a title="移除" class="position-delete option_icon_remove"><i class="fa fa-times-circle color-orange font-16 fl"></i></a>
-          </li>
-          <li class="clearfix pr">
-            <label class="panel-form-label fl"><span class="option-item fr mr10 color-grey select-choice" onclick="selectchoice(this, <%= @st %>);" name="option_span" title="点击设置答案">D</span></label>
-            <input type="hidden" name="choice[answer][]">
-            <textarea class="panel-form-width2-690 fl panel-box-sizing" name="question[cnt][]" placeholder="请输入选项内容"></textarea>
-            <a title="移除" class="position-delete option_icon_remove"><i class="fa fa-times-circle color-orange font-16 fl"></i></a>
-          </li>
-      <% end %>
-      <ul>
-        <li class="clearfix mb10" >
-          <label class="panel-form-label fl"><span class="add-option-item fr mr10 color-grey border-dash-orange" name="option_span"><%= params[:action] == "edit" ? (@challenge.challenge_questions.count + 65).chr : (@st == 1 ? "E" : "C") %></span></label>
-          <div class="fl panel-box-sizing add-option-input border-dash-orange"><a title="新增" class="option_icon_add">新增选项</a></div>
-        </li>
-        <span style="display: none" class="c_red ml95" id="choice_error_tip"></span>
-        <li class="clearfix" ><label class="fl" style="margin-left: 46px">温馨提示：点击选项，可以直接设置答案</label><label class="fr">标准答案：<span id="current-option" class="color-orange"><%= @challenge.right_answers.blank? ? "请点击正确选项" : @challenge.right_answers %></span></label></li>
-      </ul>
-  <% end %>
   <li class="clearfix">
-    <a href="javascript:void(0);" class="task-btn task-btn-green fr" onclick="challenge_update(<%= @st %>)">保存</a>
+    <a href="javascript:void(0);" class="task-btn task-btn-green fr" onclick="challenge_update()">保存</a>
     <% if params[:action] == "new" %>
         <a href="<%= shixun_challenges_url(@shixun) %>" class="task-btn fr mr10" id="task_pass_cancel">取消</a>
     <% else %>
@@ -128,7 +70,26 @@
             placeholder: "<%= @st == 0 ? "请输入完成当前任务依赖的知识点或者其它相关信息" : "请输入选择题的题干内容" %>",
             imageUpload : true,
             imageFormats : ["jpg", "jpeg", "gif", "png", "bmp", "webp", "JPG", "JPEG", "GIF", "PNG", "BMP", "WEBP"],
-            imageUploadURL : "<%= upload_with_markdown_path(:container_id => @shixun.id, :container_type => @shixun.class) %>"//url
+            imageUploadURL : "<%= upload_with_markdown_path(:container_id => @shixun.id, :container_type => @shixun.class) %>",//url
+            onload: function(){
+                $("#challenge_task_pass [type=\"latex\"]").bind("click", function(){
+                    taskpass_editormd.cm.replaceSelection("```latex");
+                    taskpass_editormd.cm.replaceSelection("\n");
+                    taskpass_editormd.cm.replaceSelection("\n");
+                    taskpass_editormd.cm.replaceSelection("```");
+                    var __Cursor = taskpass_editormd.cm.getDoc().getCursor();
+                    taskpass_editormd.cm.setCursor(__Cursor.line-1, 0);
+                });
+
+                $("#challenge_task_pass [type=\"inline\"]").bind("click", function(){
+                    taskpass_editormd.cm.replaceSelection("$$$$");
+                    var __Cursor = taskpass_editormd.cm.getDoc().getCursor();
+                    taskpass_editormd.cm.setCursor(__Cursor.line, __Cursor.ch-2);
+                    taskpass_editormd.cm.focus();
+                });
+                $("[type=\"inline\"]").attr("title", "行内公式");
+                $("[type=\"latex\"]").attr("title", "多行公式");
+            }
         });
 
         var bt = baidu.template;
@@ -250,27 +211,6 @@
         var lens = answer.length;
         return lens;
     }
-
-    window.onload = function(){
-        $("#challenge_task_pass [type=\"latex\"]").bind("click", function(){
-            taskpass_editormd.cm.replaceSelection("```latex");
-            taskpass_editormd.cm.replaceSelection("\n");
-            taskpass_editormd.cm.replaceSelection("\n");
-            taskpass_editormd.cm.replaceSelection("```");
-            var __Cursor = taskpass_editormd.cm.getDoc().getCursor();
-            taskpass_editormd.cm.setCursor(__Cursor.line-1, 0);
-        });
-
-        $("#challenge_task_pass [type=\"inline\"]").bind("click", function(){
-            taskpass_editormd.cm.replaceSelection("$$$$");
-            var __Cursor = taskpass_editormd.cm.getDoc().getCursor();
-            taskpass_editormd.cm.setCursor(__Cursor.line, __Cursor.ch-2);
-            taskpass_editormd.cm.focus();
-        });
-        $("[type=\"inline\"]").attr("title", "行内公式");
-        $("[type=\"latex\"]").attr("title", "多行公式");
-
-    };
     $("#challenge_subject").keydown(function(){
         $("#new_shixun_name").hide();
     });
@@ -282,7 +222,20 @@
         $("#task_pass_show").show();
         $("#task_pass_edit").hide();
     });
-    function challenge_update(st){
+
+    function challenge_update(){
+        if($('#challenge_subject').val().trim() == ""){
+            $("#challenge_subject").focus();
+            $("#new_shixun_name").show();
+        }else if($("#challenge_task_pass textarea").val().trim() == ""){
+            $("#challenge_task_pass textarea").focus();
+            $("#new_shixun_pass").show();
+        }else{
+            $('#challenge_shixun_update').submit();
+        }
+    }
+
+  /*  function challenge_update(st){
         set_choice_answer();
         var error = $("#choice_error_tip");
         if($('#challenge_subject').val().trim() == ""){
@@ -318,6 +271,6 @@
                 $('#challenge_shixun_update').submit();
             }
         }
-    }
+    }*/
 
 </script>
diff --git a/app/views/challenges/add_choose_question.js.erb b/app/views/challenges/add_choose_question.js.erb
new file mode 100644
index 000000000..55a88fe8d
--- /dev/null
+++ b/app/views/challenges/add_choose_question.js.erb
@@ -0,0 +1 @@
+$("#task_content").html("<%= j(render :partial => "single_or_multiple_question") %>");
\ No newline at end of file
diff --git a/app/views/challenges/choose_type_show.js.erb b/app/views/challenges/choose_type_show.js.erb
new file mode 100644
index 000000000..e589ae71b
--- /dev/null
+++ b/app/views/challenges/choose_type_show.js.erb
@@ -0,0 +1,2 @@
+$("#task_content").html("<%= j(render :partial => 'single_or_multiple_question_show')%>");
+$("#challenge_choose_tab").html("<%= j(render :partial => "challenges/choose_tab") %>");
\ No newline at end of file
diff --git a/app/views/challenges/edit.html.erb b/app/views/challenges/edit.html.erb
index 7c4253a8d..b0f6fec1c 100644
--- a/app/views/challenges/edit.html.erb
+++ b/app/views/challenges/edit.html.erb
@@ -22,13 +22,9 @@
           <span class="panel-inner-icon mr10 fl mt5">
             <i class="fa fa-code font-16 color_white" data-tip-down="实践任务"></i>
           </span>
-      <% elsif @st == 1 %>
+      <% else %>
           <span class="panel-inner-icon mr10 fl mt5">
-            <i class="fa fa-th-list color_white" data-tip-down="多选任务"></i>
-          </span>
-      <% elsif @st == 2%>
-          <span class="panel-inner-icon mr10 fl mt5">
-            <img src="/images/bigdata/singel.png" style="margin-bottom: 3px" data-tip-down="单选任务">
+            <i class="fa fa-th-list color_white" data-tip-down="选择题任务"></i>
           </span>
       <% end %>
       <h3 class="fl mt3">阶段详情（第<%= @challenge.position %>关）</h3>
@@ -40,51 +36,55 @@
       <% end %>
       <% if @shixun.status == 0 && User.current.manager_of_shixun?(@shixun) %>
           <!--          <a href="<%#= new_shixun_challenge_path(@shixun) %>" class="shixun-task-btn task-btn-green fr">新建阶段</a>-->
-          <a href="<%= new_shixun_challenge_path(@shixun, :st => 0) %>" class="shixun-task-btn task-btn-green fr">+实践任务</a>
-          <a href="<%= new_shixun_challenge_path(@shixun, :st => 1) %>" class="shixun-task-btn task-btn-green fr mr10">+多选任务</a>
-          <a href="<%= new_shixun_challenge_path(@shixun, :st => 2) %>" class="shixun-task-btn task-btn-green fr mr10">+单选任务</a>
+          <a href="<%= new_shixun_challenge_path(@shixun, :st => 0) %>" class="shixun-task-btn task-btn-green fr" data-tip-down="新增代码编辑类型的任务">+实践任务</a>
+          <!--<a href="<%#= new_shixun_challenge_path(@shixun, :st => 1) %>" class="shixun-task-btn task-btn-green fr mr10">+多选任务</a>
+          <a href="<%#= new_shixun_challenge_path(@shixun, :st => 2) %>" class="shixun-task-btn task-btn-green fr mr10">+单选任务</a>-->
+
+          <a href="<%= new_shixun_challenge_path(@shixun, :st => 1) %>" class="shixun-task-btn task-btn-green fr mr10" data-tip-down="新增选择题类型的任务">+选择题任务</a>
       <% end %>
     </div>
   </div>
-  <ul class="nav_check_item clearfix mt30" style="margin-bottom: 0;">
-    <li class="fl  <%= @tab == 1 ? "check_nav" : "" %>">
-      <a href="<%= edit_shixun_challenge_path(@challenge, :shixun_id => @shixun, :tab => 1) %>" class="color-black">本关任务</a>
-    </li>
-    <% if @challenge.st == 0 %>
-        <li class="fl <%= @tab == 2 ? "check_nav" : "" %>">
-          <a href="<%= edit_shixun_challenge_path(@challenge, :shixun_id => @shixun, :tab => 2) %>" class="color-black">评测设置</a>
+  <% if @challenge.st == 0 %>
+      <div class="stage-part mt20">
+        <ul class="nav_check_item border-bottom-orange clearfix">
+          <li class="fl <%= @tab == 1 ? "check_nav" : "" %>">
+            <a href="<%= edit_shixun_challenge_path(@challenge, :shixun_id => @shixun, :tab => 1) %>" class="color-black">本关任务</a>
+          </li>
+          <li class="fl <%= @tab == 2 ? "check_nav" : "" %>">
+            <a href="<%= edit_shixun_challenge_path(@challenge, :shixun_id => @shixun, :tab => 2) %>" class="color-black">评测设置</a>
+          </li>
+          <li class="fl <%= @tab == 3 ? "check_nav" : "" %>">
+            <a href="<%= edit_shixun_challenge_path(@challenge, :shixun_id => @shixun, :tab => 3) %>" class="color-black">参考答案</a>
+          </li>
+          <li class="fl <%= @tab == 6 ? "check_nav" : "" %>
+          <a href="<%= edit_shixun_challenge_path(@challenge, :shixun_id => @shixun, :tab => 6) %>" class="color-black">预备知识</a>
         </li>
-    <% end %>
-    <li class="fl <%= @tab == 3 ? "check_nav" : "" %>">
-      <a href="<%= edit_shixun_challenge_path(@challenge, :shixun_id => @shixun, :tab => 3) %>" class="color-black">参考答案</a>
-    </li>
-    <% unless @challenge.ready_knowledge.blank? %>
-        <li class="fl <%= @tab == 6 ? "check_nav" : "" %>">
-          <a href="<%= edit_shixun_challenge_path(@challenge, :shixun_id => @shixun, :tab => 6) %>" class="color-black">背景知识</a>
-        </li>
-    <% end %>
-    <li class="fl <%= @tab == 4 ? "check_nav" : "" %>">
-      <a href="<%= edit_shixun_challenge_path(@challenge, :shixun_id => @shixun, :tab => 4) %>" class="color-black">评分设置</a>
-    </li>
-    <li class="fl <%= @tab == 5 ? "check_nav" : "" %>">
-      <a href="<%= edit_shixun_challenge_path(@challenge, :shixun_id => @shixun, :tab => 5) %>" class="color-black">技能标签</a>
-    </li>
-  </ul>
-  <div class="task-pm-box mh550 user_bg_shadow">
-    <% if @tab == 1 || @tab.blank? %>
-        <%= render :partial => "edit_task_pass" %>
-    <% elsif @tab == 2 %>
-        <%= render :partial => "edit_evaluating" %>
-    <% elsif @tab == 3 %>
-        <%= render :partial => "edit_answer" %>
-    <% elsif @tab == 4 %>
-        <%= render :partial => "edit_scoring" %>
-    <% elsif @tab == 5 %>
-        <%= render :partial => "edit_skill" %>
-    <% elsif @tab == 6 %>
-        <%= render :partial => "edit_propaedeutics" %>
-    <% end %>
-  </div>
+          <li class="fl <%= @tab == 4 ? "check_nav" : "" %>">
+            <a href="<%= edit_shixun_challenge_path(@challenge, :shixun_id => @shixun, :tab => 4) %>" class="color-black">评分设置</a>
+          </li>
+          <li class="fl <%= @tab == 5 ? "check_nav" : "" %>">
+            <a href="<%= edit_shixun_challenge_path(@challenge, :shixun_id => @shixun, :tab => 5) %>" class="color-black">技能标签</a>
+          </li>
+        </ul>
+        <div class="task-pm-box mh550 user_bg_shadow">
+          <% if @tab == 1 || @tab.blank? %>
+              <%= render :partial => "edit_task_pass" %>
+          <% elsif @tab == 2 %>
+              <%= render :partial => "edit_evaluating" %>
+          <% elsif @tab == 3 %>
+              <%= render :partial => "edit_answer" %>
+          <% elsif @tab == 4 %>
+              <%= render :partial => "edit_scoring" %>
+          <% elsif @tab == 5 %>
+              <%= render :partial => "edit_skill" %>
+          <% elsif @tab == 6 %>
+              <%= render :partial => "edit_propaedeutics" %>
+          <% end %>
+        </div>
+      </div>
+  <% else %>
+      <%= render :partial => "choose_type" %>
+  <% end %>
 </div>
 <div class="save-tip">
   <div class="save-tip-content">已保存</div>
diff --git a/app/views/challenges/edit.js.erb b/app/views/challenges/edit.js.erb
new file mode 100644
index 000000000..ed1fdeb98
--- /dev/null
+++ b/app/views/challenges/edit.js.erb
@@ -0,0 +1 @@
+$("#task_show_page").html('<%= j(render :partial => "task_edit_page") %>');
\ No newline at end of file
diff --git a/app/views/challenges/edit_choose_question.js.erb b/app/views/challenges/edit_choose_question.js.erb
new file mode 100644
index 000000000..d1ce84abd
--- /dev/null
+++ b/app/views/challenges/edit_choose_question.js.erb
@@ -0,0 +1,2 @@
+$("#task_content").html("<%= j(render :partial => "single_or_multiple_question") %>");
+$("#challenge_choose_tab").html("<%= j(render :partial => "challenges/choose_tab") %>");
\ No newline at end of file
diff --git a/app/views/challenges/new_choose_question.js.erb b/app/views/challenges/new_choose_question.js.erb
new file mode 100644
index 000000000..e589ae71b
--- /dev/null
+++ b/app/views/challenges/new_choose_question.js.erb
@@ -0,0 +1,2 @@
+$("#task_content").html("<%= j(render :partial => 'single_or_multiple_question_show')%>");
+$("#challenge_choose_tab").html("<%= j(render :partial => "challenges/choose_tab") %>");
\ No newline at end of file
diff --git a/app/views/challenges/new_or_edit_choose_question.js.erb b/app/views/challenges/new_or_edit_choose_question.js.erb
new file mode 100644
index 000000000..b5c714994
--- /dev/null
+++ b/app/views/challenges/new_or_edit_choose_question.js.erb
@@ -0,0 +1 @@
+$("#task_content").html("<%= j(render :partial => 'single_or_multiple_question_show')%>");
\ No newline at end of file
diff --git a/app/views/challenges/update_choose_question.js.erb b/app/views/challenges/update_choose_question.js.erb
new file mode 100644
index 000000000..e589ae71b
--- /dev/null
+++ b/app/views/challenges/update_choose_question.js.erb
@@ -0,0 +1,2 @@
+$("#task_content").html("<%= j(render :partial => 'single_or_multiple_question_show')%>");
+$("#challenge_choose_tab").html("<%= j(render :partial => "challenges/choose_tab") %>");
\ No newline at end of file
diff --git a/app/views/games/_choice_question.html.erb b/app/views/games/_choice_question.html.erb
index ef47ac332..cebfd0a05 100644
--- a/app/views/games/_choice_question.html.erb
+++ b/app/views/games/_choice_question.html.erb
@@ -1,32 +1,147 @@
+<!--  编程题 -->
+<div class="-layout -stretch -fit -vertical centerH">
+  <div class="-layout -vertical -flex -relative -bg-black -flex-basic70" id="games_repository_contents" style="overflow:hidden;">
+    <ul id="blacktab_nav">
+      <li id="codetab_nav_1" class="blacktab_hover" onclick="HoverLi_new(1);">
+        <a href="javascript:void(0);" class="tab_type tab_color" >答题</a>
+      </li>
+      <div class="fr mt5 -horizontal mr15">
+        <a href="javascript:void(0);" onclick="repository_extend_and_zoom();" id="extend_and_zoom"><i class="fa fa-expand font-16"></i></a>
+      </div>
+    </ul>
+    <div class="cl"></div>
+    <div id="codotab_con_1" class="white_bg" style="overflow-y: auto;height: 100%">
+        <div class="panel-header clearfix" id="top_repository" style="border-bottom:0;padding:15px;">
+          <% @game_challenge.challenge_chooses.each_with_index do |choose, index| %>
+              <p class="font-bd font-18 color-grey3"><%= (index + 1).to_s + "." + (choose.category == 1 ? "单选题" : "多选题") %></p>
+              <div class="font-15 color-grey3 mb10 new_li read_only" unselectable="on" id="choose_subject_<%= index + 1 %>" style="padding: 10px 0px 10px 10px">
+                <textarea style="display:none;"><%= choose.subject %></textarea>
+              </div>
+              <div class="problem_single">
+                <% choose.challenge_questions.each_with_index do |question, i| %>
+                    <p class="ml10 mb10 ">
+                      <span>
+                          <% if choose.category == 1 %>
+                             <input type="radio" <%= (choose.choose_outputs.try(:answer) == (i + 65).chr) ? "checked" : "" %> name="answer[<%= index + 1 %>]" category="<%= choose.category %>" value="<%= (question.position + 65).chr %>" id="result_<%= index %>_<%= i %>" class="ml-3 mr5 magic-radio ml5">
+                          <% else %>
+                          <!--多选-->
+                            <input type="checkbox"  <%= (!choose.choose_outputs.try(:answer).nil? && (choose.choose_outputs.try(:answer).include? ((i + 65).chr))) ? "checked" : "" %> name="answer[]" category="<%= choose.category %>" value="<%= (question.position + 65).chr %>" id="result_<%= index %>_<%= i %>" class="ml-3 mr5 magic-checkbox ml5">
+                          <% end  %>
+                        <label for="result_<%= index %>_<%= i %>" style="top: 0px"><span><%= (question.position + 65).chr %></span>.<%= question.option_name %></label>
+                      </span>
+                    </p>
+                <% end %>
+                <input type="hidden" name="user_answer">
+              </div>
+          <% end %>
+          <!--<div class="pl5 pr5 pt10 pb10 bor-grey-e">
+                  <div for="result_<%#= question.position %>" class="card -elevation-1 mt10 mb5 <%#= (@user_answer.nil? || @user_answer.index(i.to_s).nil?) ? "" : "card-check color_white" %>" onclick="">
+                    &lt;!&ndash;单选&ndash;&gt;
+                    <%# if choose.category == 1 %>
+                    <input type="radio" name="answer[]" value="<%#= (question.position + 65).chr %>" id="result_<%#= question.position %>" class="ml-3 mr5 magic-radio ml5">
+                     <%# else %>
+                    &lt;!&ndash;多选&ndash;&gt;
+                    <input type="checkbox" name="answer[]" value="<%#= (question.position + 65).chr %>" id="result_<%#= question.position %>" class="ml-3 mr5 magic-checkbox ml5">
+                    <%# end  %>
+                    <div class="-layout-h -center break_word" for="result_<%#= question.position %>">
+                      <span class="mr10"><%#= (question.position + 65).chr %>.</span>
+                      <div class="markdown">
+                        <p><code class="font-16"><%#= question.option_name %></code></p>
+                      </div>
+                    </div>
+                  </div>
+                </div>-->
+          <h3 id="save_status" class="ml15 fl" style="font-weight: normal"></h3>
+        </div>
+    </div>
+  </div>
+  <!--拖拽增加结构---------------------------------------->
+  <div class="h-center">
+    <div class="-changebg -bg-black" id="-bg-change-color"></div>
+  </div>
+  <!------------------------------------------------------>
+  <div class="split-panel--second -layout -vertical -flex -relative -bg-black -flex-basic60" id="games_valuation_contents">
+    <%= render :partial => 'games/game_choose_results', :locals => { :game_challenge => @game_challenge} %>
+  </div>
+</div>
+
+<script>
+    $(document).ready(function() {
+        editormd.loadKaTeX(function() {
+            var lens = $("#top_repository .read_only").length;
+            for(i = 1; i <= lens; i++){
+                editormd.markdownToHTML("choose_subject_" + i, {
+                    htmlDecode: "style,script,iframe",  // you can filter tags decode
+                    taskList: true,
+                    tex: true,  // 数学公式
+                    flowChart: true,  // 默认不解析
+                    sequenceDiagram: true // 默认不解析
+                });
+            }
+        });
+    });
+
+    $(function(){
+        $(".problem_single p input").live("change",function(event){
+            var $this=$(this).parents(".problem_single").find("input[name='user_answer']");
+            var value="";
+            if($(this).attr("category")=="1"){
+                value="";
+                //alert($(this).siblings("label").find("span").html());
+                if($(this).attr("checked")=="checked"){
+                    value=$(this).siblings("label").find("span").html();
+                }
+            }else{
+                var p=$(this).parents(".problem_single").find("p");
+                value="";
+                for(var i=0;i< p.length;i++){
+                    if(p.eq(i).find("input").attr("checked")=="checked"){
+                        //alert(p.eq(i).find("input").siblings("label").find("span").html());
+                        value+=p.eq(i).find("input").siblings("label").find("span").html();
+                    }
+                }
+            }
+            $this.val(value);
+        })
+    })
+</script>
+
+
+<% if false %>
 <div class="-layout -stretch -fit -vertical centerH">
   <div class="split-panel--second -layout -vertical -flex -relative -bg-black" id="answer">
     <ul id="blacktab_nav">
       <li id="codetab_nav_1" class="blacktab_hover" onclick="HoverLi_new(1);">
-        <a href="javascript:void(0);" class="tab_type tab_color" >答题选项</a>
+        <a href="javascript:void(0);" class="tab_type tab_color" >答题</a>
       </li>
     </ul>
     <div class="cl"></div>
-    <div id="codotab_con_1" style="overflow-y: auto;height: 100%">
+    <div id="codotab_con_1" class="white_bg" style="overflow-y: auto;height: 100%">
       <div class="panel-header clearfix" id="top_repository" style="border-bottom:0;padding:15px;">
-        <p class="mb10 color-light-green font-16 <%= @game.outputs.blank? || !@game.outputs.first.result ? "undis" : ""  %>" id="correct_tip">
-          <i class="fa fa-check-circle font-16"></i> 正确
-        </p>
-        <p class="mb10 color-red font-16 <%= @game.outputs.blank? || @game.outputs.first.result ? "undis" : ""  %>" id="error_tip">
-          <i class="fa fa-exclamation-circle font-16"></i> 错误
-        </p>
-        <% @game_challenge.challenge_questions.each_with_index do |question, i| %>
-            <div class="card quiz-task-options -elevation-1 mb20 color-grey-bf <%= (@user_answer.nil? || @user_answer.index(i.to_s).nil?) ? "" : "card-check color_white" %>" onclick="choice_answer('<%= @st %>', this)">
-              <input type="hidden" name="answer" value="<%= question.position %>">
-              <div class="-layout-h -center break_word">
-                <span class="mr10"><%= (question.position + 65).chr %>.</span>
-                <div class="markdown">
-                  <p><code class="font-16"><%= question.option_name %></code></p>
-                </div>
-              </div>
-            </div>
+        <p class="font-bd font-18 color-grey3">1.单选题</p>
+        <p class="font-15 color-grey3 mb10">应在下列程序划线处填入的语句是()</p>
+        <pre class="mb10 back-f6-grey"></pre>
+        <div class="pl5 pr5 pt10 pb10 bor-grey-e">
+        <% @game_challenge.challenge_chooses.each do |choose| %>
+              <% choose.challenge_questions.each_with_index do |question, i| %>
+                  <div for="result_<%= question.position %>" class="card -elevation-1 mt10 mb5 <%= (@user_answer.nil? || @user_answer.index(i.to_s).nil?) ? "" : "card-check color_white" %>" onclick="choice_answer('<%= @st %>', this)">
+                    <!--单选-->
+                    <input type="radio" name="answer[]" value="<%= question.position %>" id="result_<%= question.position %>" class="ml-3 mr5 magic-radio ml5">
+                    <!--多选-->
+                    <input type="checkbox" name="answer[]" value="<%= question.position %>" id="result_<%= question.position %>" class="ml-3 mr5 magic-checkbox ml5">
+                    <div class="-layout-h -center break_word">
+                      <span class="mr10"><%= (question.position + 65).chr %>.</span>
+                      <div class="markdown">
+                        <p><code class="font-16"><%= question.option_name %></code></p>
+                      </div>
+                    </div>
+                  </div>
+              <% end %>
         <% end %>
+        </div>
         <h3 id="save_status" class="ml15 fl" style="font-weight: normal"></h3>
       </div>
     </div>
   </div>
-</div>
+</div>
+<% end %>
\ No newline at end of file
diff --git a/app/views/games/_code_actions.html.erb b/app/views/games/_code_actions.html.erb
index 1bac8a11c..7ad488035 100644
--- a/app/views/games/_code_actions.html.erb
+++ b/app/views/games/_code_actions.html.erb
@@ -5,6 +5,12 @@
       <a href="javascript:void(0)" class="shixun-task-btn task-btn-green mr15 mt8" onclick="delete_confirm_box('<%= reset_new_code_myshixun_game_path(@game, :myshixun_id => @myshixun, :path => @path) %>', '你在本关中修改的内容将丢失<br />是否确定重新加载上次通过的代码');">加载上次通过的代码</a>
     </div>
 <% end %>
+<div id="prev_step_area">
+  <% if @game.challenge.position > 1 %>
+      <%= link_to "上一关 ", {:controller => 'games', :action => "prev_step", :id => @game, :myshixun_id => @myshixun},
+                  :class => "shixun-task-btn task-btn-blue mr15 mt8", :id => "prev_step", :remote => true %>
+  <% end %>
+</div>
 <div id="code_test">
   <% if @st == 0 %>
       <a href="javascript:void(0)" class="shixun-task-btn task-btn-blue mr15 mt8" onclick="training_task_submmit();">评测</a>
@@ -12,25 +18,19 @@
       <a href="javascript:void(0)" class="shixun-task-btn task-btn-blue mr15 mt8" onclick="choice_submmit();">评测</a>
   <% end %>
 </div>
-<div id="prev_step_area">
-  <% if @game.challenge.position > 1 %>
-      <%= link_to "上一关 ", {:controller => 'games', :action => "prev_step", :id => @game, :myshixun_id => @myshixun},
-                  :class => "shixun-task-btn task-btn-blue mr15 mt8", :id => "prev_step", :remote => true %>
-  <% end %>
-</div>
 <div id="code_estimate">
   <% if @game.status == 1 %>
       <a class="shixun-task-btn mt8 mr15" id="code_testing">评测中..</a>
   <% end %>
-  <% if show_next_stage?(@game, @myshixun.shixun.try(:status)) %>
       <% if @had_done == 0 %>
+      <% if show_next_stage?(@game, @myshixun.shixun.try(:status)) %>
           <%= link_to "下一关 ", {:controller => 'games', :action => "next_step", :id => @game, :myshixun_id => @myshixun},
                       :class => "shixun-task-btn task-btn-blue mr15 mt8", :id => "next_step", :remote => true %>
           <!--<a href="javascript:void(0);" onclick="shixun_next_step();" class="task-btn task-btn-blue mr15 mt8">下 一 步</a>-->
-      <% else %>
-          <a href="<%= shixun_path(@myshixun.shixun) %>" id="exit_shixun" class="shixun-task-btn task-btn-blue mt8 mr15">退出实训</a>
       <% end %>
-  <% end %>
+      <% else %>
+          <a href="<%= shixun_path(@myshixun.shixun) %>" id="exit_shixun" class="shixun-task-btn task-btn-blue mt8 mr15">离开</a>
+      <% end %>
 </div>
 <script>
     // 如果是HTML实训，则在效果显示栏实时渲染code
@@ -81,57 +81,25 @@
     // 选择题提交评测
     // answer 选择的答案
     function choice_submmit(){
-        var answer = "";
-        var nBtn = $(".card-check");
-        var choice = nBtn.find("input[name='answer']");
-        for(var i = 0; i < choice.length; i++){
-            answer += $(choice[i]).val();
-        }
-        if(answer == ""){
-            notice_sure_box("答案不能为空！");
-            return;
+        var user_answer = [];
+        var input_answer = $("input[name='user_answer']");
+        var lens = input_answer.length;
+        for(i = 0; i < lens; i++ ){
+            var answer = $(input_answer[i]).val();
+            if(answer == ""){
+                notice_sure_box("第"+ (i+1) + "题未答，请确认！");
+                return;
+            }
+            user_answer.push(answer)
         }
+        console.log(user_answer);
         $("#code_test").html("<a class='task-btn mt8 mr15'>评测中..</a>");
         $.ajax({
-            type: "post",
+            type: "POST",
             url: '<%= evaluating_choice_myshixun_game_path(@game, :myshixun_id => @myshixun) %>',
-            data: {answer: answer},
-            dataType: "json",
+            data: {answer:user_answer},
+            dataType: "script",
             success: function(data){
-                console.log(data);
-                clearInterval(cm);
-                var icon = $("#game_status_<%= @game_challenge.id %>"); // 实训列表的icon
-                icon.find("i").attr("class", "fa fa-unlock fr font-18 mt5 color-light-green w20_center");
-                icon.find("a:last").attr("title", "已完成");
-                $("#code_test").remove();
-                if(data.correct){
-                    $("#correct_tip").show();
-                    $("#user_grade").html(data.grade);
-                    $("#shixun_exp_<%=@game_challenge.id %>").html("经验值<span class='color-light-green mr5'>+"+ data.score + "</span>");
-                    $("#shixun_grade_<%=@game_challenge.id %>").html("金币<span class='color-light-green mr5'>+"+ data.score + "</span>");
-                    $("#shixun_tag_<%=@game_challenge.id %>").html("技能标签<span class='color-light-green mr5'>+"+ data.tag_count + "</span>");
-                    if( data.had_done == 0 ) {
-                        $("#code_estimate").html("<a href='<%= next_step_myshixun_game_path(@game, :myshixun_id => @myshixun) %>' class='task-btn task-btn-blue mr15 mt8' id='next_step' data-remote='true'>下一关</a>");
-                        var htmlvalue = "<%= j (render :partial => 'games/pass_game_show', :locals => { :game=> @game, :myshixun => @myshixun, :had_done => 0}) %>";
-                    }else{
-                        $("#code_estimate").html("<a href='<%= shixun_path(@myshixun.shixun) %>' class='task-btn task-btn-blue mt8 mr15' >退出实训</a>");
-                        var htmlvalue = "<%= j (render :partial => 'games/pass_game_show', :locals => { :game => @game, :myshixun => @myshixun, :had_done => 1}) %>";
-                    }
-                    // 传递具体屏幕的宽高，实现不同浏览器与不同分辨率都能撑满屏幕
-                    pop_box_new2(htmlvalue, window.innerWidth, window.innerHeight);
-                }else{
-                    $("#error_tip").show();
-                    var span_class = parseInt(data.score) < 0 ? "u-color-light-red" : "color-light-green";
-                    $("#shixun_exp_<%=@game_challenge.id %>").html("经验值<span class='color-light-green mr5'>+0</span>");
-                    $("#shixun_grade_<%=@game_challenge.id %>").html("金币<span class='"+ span_class +" mr5'>"+ data.score + "</span>");
-                    $("#shixun_tag_<%=@game_challenge.id %>").html("技能标签<span class='color-light-green mr5'>+0</span>");
-                    if(0 == data.had_done){
-                        $("#code_estimate").html("<a href='<%= next_step_myshixun_game_path(@game, :myshixun_id => @myshixun) %>' class='task-btn task-btn-blue mr15 mt8' id='next_step' data-remote='true'>下一关</a>");
-                    }else if(1 == data.had_done ){
-                        $("#code_estimate").html("<a href='<%= shixun_path(@myshixun.shixun) %>' class='task-btn task-btn-blue mt8 mr15' >退出实训</a>");
-                    }
-
-                }
             },
             error: function(){
                 console.log("错了");
@@ -159,7 +127,7 @@
         if($("#next_step").length > 0){
             $("#code_estimate").html("<a href='javascript:void(0);' class='task-btn mr15 mt8'>下一关</a>");
         } else if($("#exit_shixun").length > 0){
-            $("#code_estimate").html("<a href='javascript:void(0);' class='task-btn mr15 mt8'>退出实训</a>");
+            $("#code_estimate").html("<a href='javascript:void(0);' class='task-btn mr15 mt8'>下一关</a><a href='javascript:void(0);' class='task-btn mr15 mt8'>离开</a>");
         }
         if($("#prev_step").length > 0){
             $("#prev_step_area").html("<a href='javascript:void(0);' class='task-btn mr15 mt8'>上一关</a>");
@@ -241,10 +209,10 @@
                                                                 icon.find("i").attr("class", "fa fa-unlock fr font-18 mt5 color-light-green w20_center");
                                                                 icon.find("a:last").attr("title", "已完成");
                                                                 if( data.had_done == 0 ) {
-                                                                    $("#code_estimate").html("<a href='<%= next_step_myshixun_game_path(@game, :myshixun_id => @myshixun) %>' class='task-btn task-btn-blue mr15 mt8' id='next_step' data-remote='true'>下一关</a>");
+                                                                    $("#code_estimate").html("<a href='<%= next_step_myshixun_game_path(@game, :myshixun_id => @myshixun) %>' class='task-btn task-btn-blue mr15 mt8' id='next_step' data-remote='true'>下一关</a><a href='<%= shixun_path(@myshixun.shixun) %>' class='task-btn task-btn-blue mt8 mr15' >离开</a>");
                                                                     var htmlvalue = "<%= j (render :partial => 'games/pass_game_show', :locals => { :game=> @game, :myshixun => @myshixun, :had_done => 0}) %>";
                                                                 }else{
-                                                                    $("#code_estimate").html("<a href='<%= shixun_path(@myshixun.shixun) %>' class='task-btn task-btn-blue mt8 mr15' >退出实训</a>");
+                                                                    $("#code_estimate").html("<a href='<%= shixun_path(@myshixun.shixun) %>' class='task-btn task-btn-blue mt8 mr15' >离开</a>");
                                                                     var htmlvalue = "<%= j (render :partial => 'games/pass_game_show', :locals => { :game=> @game, :myshixun => @myshixun, :had_done => 1}) %>";
                                                                 }
                                                                 // 传递具体屏幕的宽高，实现不同浏览器与不同分辨率都能撑满屏幕
@@ -260,9 +228,9 @@
                                                             if(codeEstimate == undefined){
                                                                 return;
                                                             }else if(codeEstimate.trim() == "下一关"){
-                                                                $("#code_estimate").html("<a href='<%= next_step_myshixun_game_path(@game, :myshixun_id => @myshixun) %>' class='task-btn task-btn-blue mr15 mt8' id='next_step' data-remote='true'>下一关</a>");
-                                                            } else if(codeEstimate.trim() == "退出实训"){
-                                                                $("#code_estimate").html("<a href='<%= shixun_path(@myshixun.shixun) %>' class='task-btn task-btn-blue mt8 mr15' >退出实训</a>");
+                                                                $("#code_estimate").html("<a href='<%= next_step_myshixun_game_path(@game, :myshixun_id => @myshixun) %>' class='task-btn task-btn-blue mr15 mt8' id='next_step' data-remote='true'>下一关</a><a href='<%= shixun_path(@myshixun.shixun) %>' class='task-btn task-btn-blue mt8 mr15' >离开</a>");
+                                                            } else if(codeEstimate.trim() == "离开"){
+                                                                $("#code_estimate").html("<a href='<%= shixun_path(@myshixun.shixun) %>' class='task-btn task-btn-blue mt8 mr15' >离开</a>");
                                                             }
                                                         }
                                                         // 访问60次，即120s后后台还未改变状态即执行
@@ -281,7 +249,7 @@
                                                                 $("#prev_step_area").html("<a href='<%= prev_step_myshixun_game_path(@game, :myshixun_id => @myshixun) %>' class='task-btn task-btn-blue mr15 mt8' id='prev_step' data-remote='true'>上一关</a>")
                                                             }
                                                             if( data.had_done == 0 ) {
-                                                                $("#code_estimate").html("<a href='<%= next_step_myshixun_game_path(@game, :myshixun_id => @myshixun) %>' class='task-btn task-btn-blue mr15 mt8' id='next_step' data-remote='true'>下一关</a>");
+                                                                $("#code_estimate").html("<a href='<%= next_step_myshixun_game_path(@game, :myshixun_id => @myshixun) %>' class='task-btn task-btn-blue mr15 mt8' id='next_step' data-remote='true'>下一关</a><a href='<%= shixun_path(@myshixun.shixun) %>' class='task-btn task-btn-blue mt8 mr15' >离开</a>");
                                                             }
                                                             var html = "<a href='javascript:void(0)' class='task-btn task-btn-blue mr15 mt8' onclick='training_task_submmit();'>评测</a>";
 
diff --git a/app/views/games/_game_choose_results.html.erb b/app/views/games/_game_choose_results.html.erb
new file mode 100644
index 000000000..061dc8066
--- /dev/null
+++ b/app/views/games/_game_choose_results.html.erb
@@ -0,0 +1,57 @@
+<ul id="blacktab_nav">
+  <li class="blacktab_con blacktab_hover">
+    <a href="javascript:void(0);" class="tab_type tab_color">测试结果</a>
+  </li>
+  <a href="javascript:void(0);" onclick="valuation_extend_and_zoom();" id="valuation_extend_and_zoom"><i class="fa fa-expand font-16 color-grey fr mt10 mr15 fa-arrows-alt" ></i></a>
+  <div class="cl"></div>
+</ul>
+<div class="cl"></div>
+<div id="game_test_set_results" class="-flex -relative blacktab-inner">
+  <div id="blacktab_con_1" class="" >
+    <div class="fit -scroll">
+      <div class="-layout-v -fit">
+        <div  class="-flex -scroll task-padding16">
+          <% unless game_challenge.choose_correct_num == nil %>
+              <% if game_challenge.choose_correct_num != game_challenge.challenge_chooses.count %>
+                  <p class="-text-danger mb10">
+                    <i class="fa fa-exclamation-circle font-16" ></i><span class="ml5 mr5 -text-danger"><%= game_challenge.choose_correct_num %>/<%= game_challenge.challenge_chooses.count %></span>错误
+                  </p>
+              <% else %>
+                  <p class="color-light-green mb10">
+                    <i class="fa fa-check-circle font-16" ></i><span class="ml5 mr5"><%= game_challenge.challenge_chooses.count %>/<%= game_challenge.challenge_chooses.count %></span> 全部通过
+                  </p>
+              <% end %>
+          <% end %>
+          <% game_challenge.challenge_chooses.each_with_index do |choose, index| %>
+              <div class="-task-ces-box mb15 clearfix">
+                <div class="-task-ces-top" onclick="toggle_test_case('0', '<%= index %>')" style="cursor:pointer">
+                  <i class="fa fa-caret-right mr5 font-16" ></i>
+                  <span class="font-14">题目<%= index + 1 %></span>
+                  <%# outputs = ChooseOutputs.where(:challenge_choose_id => choose.id).first %>
+                  <% unless choose.choose_outputs.blank? %>
+                      <% if choose.choose_outputs.try(:answer) != choose.standard_answer %>
+                          <i class="fa fa-exclamation-circle -text-danger fr mt8 ml5" ></i>
+                      <% else %>
+                          <i class="fa fa-check-circle color-light-green fr mt8 ml5 f14" ></i>
+                      <% end %>
+                  <% else %>
+                      <i class="fa fa-lock fr mt8" ></i>
+                  <% end %>
+                </div>
+                <div class="-task-ces-info undis" id="test_case_<%= index %>">
+                <ul class=" font-14">
+                  <% if choose.choose_outputs.blank? %>
+                      <li><span class="ml30">尚未提交，暂不支持查看</span></li>
+                  <% else %>
+                      <li><span class="-task-ces-info-left color-blue">正确选项：</span><span><%= choose.standard_answer %></span></li>
+                      <li><span class="-task-ces-info-left color-blue">你的选项：</span><span class="color-orange"><%= choose.choose_outputs.try(:answer).nil? ? "无" : choose.choose_outputs.try(:answer) %></span></li>
+                  <% end %>
+                </ul>
+              </div>
+              </div>
+          <% end %>
+        </div>
+      </div>
+    </div>
+  </div>
+</div>
\ No newline at end of file
diff --git a/app/views/games/_game_show.html.erb b/app/views/games/_game_show.html.erb
index 10e9bcca7..470efa95d 100644
--- a/app/views/games/_game_show.html.erb
+++ b/app/views/games/_game_show.html.erb
@@ -17,19 +17,30 @@
           <a href="javascript:void(0);" class="tab_type" style="font-size: 16px">过关任务</a>
         </li>
         <% unless @myshixun.shixun.try(:propaedeutics).blank? %>
-        <li id="tab_nav_2" onclick="HoverLi1(2);">
-          <a href="javascript:void(0);" class="tab_type" style="font-size: 16px">背景知识</a>
-        </li>
+            <li id="tab_nav_2" onclick="HoverLi1(2);">
+              <a href="javascript:void(0);" class="tab_type" style="font-size: 16px">背景知识</a>
+            </li>
         <% end %>
-        <% unless @game_challenge.answer.blank? %>
-            <li id="tab_nav_3" onclick="open_answer('<%= @game.identifier %>', '<%= @myshixun.identifier %>')">
+        <% if @st == 0 %>
+            <% unless @game_challenge.answer.blank? %>
+                <li id="tab_nav_3" onclick="open_answer('<%= @game.identifier %>', '<%= @myshixun.identifier %>', false)">
+                  <a href="javascript:void(0);" class="tab_type" style="font-size: 16px">参考答案</a>
+                </li>
+            <% end %>
+        <% else %>
+            <li id="tab_nav_3" onclick="open_answer('<%= @game.identifier %>', '<%= @myshixun.identifier %>', true)">
               <a href="javascript:void(0);" class="tab_type" style="font-size: 16px">参考答案</a>
             </li>
         <% end %>
         <li id="tab_nav_4">
           <%= link_to '评论', shixun_discuss_shixun_path(@myshixun.shixun), :class => "tab_type", :style => "font-size: 16px", :remote => true %>
         </li>
-        <span class="btn-cir-big fr mt8 mr15" >经验值：<%= @game_challenge.score %></span>
+        <% if @st == 0 %>
+            <span class="btn-cir-big fr mt8 mr15" >经验值：<%= @game_challenge.score %></span>
+        <% else %>
+            <span class="btn-cir-big fr mt8 mr15" >经验值：<%= @game_challenge.choose_score %></span>
+        <%  end %>
+
       </ul>
       <div class="cl"></div>
       <div  class="-flex -relative greytab-inner" >
@@ -94,7 +105,7 @@
         <% if @st != 0 %>
             <!--  单选多选题 -->
             <%= render :partial => "games/choice_question" %>
-      <% else %>
+        <% else %>
             <!--  编程题 -->
             <div class="-layout -stretch -fit -vertical centerH">
               <div class="-layout -vertical -flex -relative -bg-black -flex-basic70" id="games_repository_contents" style="overflow:hidden;">
diff --git a/app/views/games/_games_list.html.erb b/app/views/games/_games_list.html.erb
index b4e7ae879..9c57cd290 100644
--- a/app/views/games/_games_list.html.erb
+++ b/app/views/games/_games_list.html.erb
@@ -37,10 +37,16 @@
 
             <div class="cl"></div>
             <div style="display: flex;" class="with80 ml30">
-              <% if game.try(:status) == 0 || game.try(:status) == 1 || game.try(:status) == 3 %>
-                  <span class="color-dark-grey font-12 mr15 info-partly" id="shixun_exp_<%=challenge.id %>">经验值<span class="ml5"><%= challenge.score %></span></span>
-                  <span class="color-dark-grey font-12 mr15 info-partly" id="shixun_grade_<%=challenge.id %>">金币<span class="ml5"><%= challenge.score %></span></span>
-                  <span class="color-dark-grey font-12 mr15 info-partly" id="shixun_tag_<%=challenge.id %>">技能标签<span class="ml5"><%= challenge.challenge_tags.count %></span></span>
+              <% if game.try(:status) != 2 %>
+                  <% if challenge.st == 0 %>
+                      <span class="color-dark-grey font-12 mr15 info-partly" id="shixun_exp_<%=challenge.id %>">经验值<span class="ml5"><%= challenge.score %></span></span>
+                      <span class="color-dark-grey font-12 mr15 info-partly" id="shixun_grade_<%=challenge.id %>">金币<span class="ml5"><%= challenge.score %></span></span>
+                      <span class="color-dark-grey font-12 mr15 info-partly" id="shixun_tag_<%=challenge.id %>">技能标签<span class="ml5"><%= challenge.challenge_tags.count %></span></span>
+                  <% else %>
+                      <span class="color-dark-grey font-12 mr15 info-partly" id="shixun_exp_<%=challenge.id %>">经验值<span class="ml5"><%= challenge.choose_score %></span></span>
+                      <span class="color-dark-grey font-12 mr15 info-partly" id="shixun_grade_<%=challenge.id %>">金币<span class="ml5"><%= challenge.choose_score %></span></span>
+                      <span class="color-dark-grey font-12 mr15 info-partly" id="shixun_tag_<%=challenge.id %>">技能标签<span class="ml5"><%= challenge.choose_tags_num %></span></span>
+                  <% end %>
               <% elsif game.try(:status) == 2 %>
                 <% final_score = (game.answer_open? || @myshixun.shixun.status <= 1) ? 0 : game.final_score.to_i %>
                 <% gold_score = @myshixun.shixun.status <= 1 ? 0 : (game.answer_open? ? -challenge.score.to_i : game.final_score.to_i) %>
@@ -48,6 +54,7 @@
                 <span class="color-dark-grey font-12 mr15 info-partly" id="shixun_grade_<%=challenge.id %>">金币<span class="<%= gold_score < 0 ? "u-color-light-red" : "color-light-green" %> ml5"><%= gold_score < 0 ? gold_score : "+"+gold_score.to_s %></span></span>
                 <span class="color-dark-grey font-12 mr15 info-partly" id="shixun_tag_<%=challenge.id %>">技能标签<span class="color-light-green ml5">+<%= (game.answer_open? || @myshixun.shixun.status <= 1) ? 0 : challenge.challenge_tags.count %></span></span>
               <% end %>
+
             </div>
           </div>
         </div>
diff --git a/app/views/games/show.js.erb b/app/views/games/show.js.erb
index 7e910d2e2..2419d5fec 100644
--- a/app/views/games/show.js.erb
+++ b/app/views/games/show.js.erb
@@ -10,6 +10,18 @@
     $("#all_task_show").html("<%= j (render :partial => "games_list") %>");
     $("#all_task_show").hide();
     fadein = 0;
+    // 选择题
+    <% if params[:choose] == "1" %>
+        <% if @had_done == 0 %>
+            $("#code_estimate").html("<a href='<%= next_step_myshixun_game_path(@game, :myshixun_id => @myshixun) %>' class='task-btn task-btn-blue mr15 mt8' id='next_step' data-remote='true'>下一关</a>");
+            var htmlvalue = "<%= j (render :partial => 'games/pass_game_show', :locals => { :game=> @game, :myshixun => @myshixun, :had_done => 0}) %>";
+        <% else %>
+            $("#code_estimate").html("<a href='<%= shixun_path(@myshixun.shixun) %>' class='task-btn task-btn-blue mt8 mr15' >退出实训</a>");
+            var htmlvalue = "<%= j (render :partial => 'games/pass_game_show', :locals => { :game => @game, :myshixun => @myshixun, :had_done => 1}) %>";
+        <% end %>
+        // 传递具体屏幕的宽高，实现不同浏览器与不同分辨率都能撑满屏幕
+        pop_box_new2(htmlvalue, window.innerWidth, window.innerHeight);
+    <% end %>
 <% else %>
     $("#all_task_show").html("<%= j (render :partial => "games_list") %>");
     $("#all_task_tab").trigger("click"); // 模拟全部任务点击事件
diff --git a/app/views/layouts/base_myshixun.html.erb b/app/views/layouts/base_myshixun.html.erb
index 2b5e6831a..f633e36f4 100644
--- a/app/views/layouts/base_myshixun.html.erb
+++ b/app/views/layouts/base_myshixun.html.erb
@@ -9,7 +9,7 @@
   <%= favicon %>
   <%= javascript_heads %>
   <%= heads_for_theme %>
-  <%= stylesheet_link_tag  'jquery/jquery-ui-1.9.2','css/font-awesome','css/taskstyle', 'css/project','css/popup','repository','css/gantt','css/cssPlus-v.0.2-build', 'css/edu-common','css/edu-public', 'css/edu-popup', 'css/edu-tooltipster' %>
+  <%= stylesheet_link_tag  'jquery/jquery-ui-1.9.2','css/font-awesome','css/taskstyle', 'css/project','css/popup','repository','css/gantt','css/cssPlus-v.0.2-build', 'css/edu-common','css/edu-public', 'css/edu-popup', 'css/edu-tooltipster', 'css/magic-check' %>
   <%= javascript_include_tag 'edu/application', 'edu/edu_tpi' %>
   <%= call_hook :view_layouts_base_html_head %>
   <!-- page specific tags -->
diff --git a/app/views/layouts/base_shixun.html.erb b/app/views/layouts/base_shixun.html.erb
index efa74afcc..223d2687b 100644
--- a/app/views/layouts/base_shixun.html.erb
+++ b/app/views/layouts/base_shixun.html.erb
@@ -35,8 +35,7 @@
                             :action => 'shixun_show',
                             :id => @shixun,
                             :repository_id => shixun_repository(@shixun).try(:identifier)}),
-                            :class => (params[:controller] == 'repositories' ? 'active' : ''),
-                            :target => "_blank" %>
+                            :class => (params[:controller] == 'repositories' ? 'active' : '') %>
             </li>
         <% end %>
         <li><a href="<%= collaborators_shixun_path(@shixun) %>" class="<%= params[:action] == "collaborators" ? "active" : "" %>">合作者</a></li>
diff --git a/app/views/managements/classroom_classment.html.erb b/app/views/managements/classroom_classment.html.erb
index cff28197a..764f8f7ac 100644
--- a/app/views/managements/classroom_classment.html.erb
+++ b/app/views/managements/classroom_classment.html.erb
@@ -31,6 +31,7 @@
         <% end %>
       </select>
       <input name="sx_order" type="hidden">
+      <%#= link_to "导出Excel", export_excel_managements_path(:format => "xls"), :class => "task-btn task-btn-blue ml5 mt3 fr mb5 mr30" %>
     </div>
 <% end %>
 <div class="edu-con-bg01 mt15" id="managements_classroom_classment">
diff --git a/app/views/shixuns/_shixun_list.html.erb b/app/views/shixuns/_shixun_list.html.erb
index 7a705d49c..aaecb8bd8 100644
--- a/app/views/shixuns/_shixun_list.html.erb
+++ b/app/views/shixuns/_shixun_list.html.erb
@@ -1,4 +1,4 @@
-<ul class="nav_check_item clearfix">
+<ul class="nav_check_item border-bottom-orange clearfix mb15">
   <li class="fl <%= @order == 'myshixun_count' ? 'check_nav' : "" %>">
     <%= link_to "最热", search_shixuns_path(:order => "myshixun_count", :shixun_status => @shixun_status, :status => @status, :language => @language, :search => @search, :trainee => @trainee, :major =>@major, :course => @course, :sort => @sort), :remote => true %>
   </li>
diff --git a/app/views/subjects/_subject_list.html.erb b/app/views/subjects/_subject_list.html.erb
index b16010d0c..d079b3c96 100644
--- a/app/views/subjects/_subject_list.html.erb
+++ b/app/views/subjects/_subject_list.html.erb
@@ -1,4 +1,4 @@
-<ul class="nav_check_item clearfix">
+<ul class="nav_check_item border-bottom-orange clearfix mb15">
   <li class="fl <%= @order == 'created_at' ? 'check_nav' : "" %>">
     <%= link_to "最新", subjects_path(:order => "created_at", :search => @search, :sort => @sort), :remote => true %>
   </li>
diff --git a/config/locales/projects/zh.yml b/config/locales/projects/zh.yml
index eeb18dfdc..cb1ccebf1 100644
--- a/config/locales/projects/zh.yml
+++ b/config/locales/projects/zh.yml
@@ -202,6 +202,7 @@ zh:
   label_issue_new: 新建问题
   label_query: 自定义查询
   label_issue_list_xls: Issue列表
+  label_course_list_xls: 课程列表
   label_per_week: 每周
   label_per_month: 每月
   label_per_all: 所有
diff --git a/config/routes.rb b/config/routes.rb
index 1c85069c3..3be7a72c4 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -119,6 +119,12 @@ RedmineApp::Application.routes.draw do
         get 'index_up'
         get 'index_down'
         match 'update_evaluation', :via => [:get, :post, :put]
+        match 'add_choose_question', :via => [:get, :post]
+        post 'new_choose_question'
+        match 'choose_type_show', :via => [:get, :post]
+        match 'edit_choose_question', :via => [:get, :post]
+        match 'update_choose_question', :via => [:get, :post]
+        delete 'destroy_challenge_choose'
       end
     end
 
@@ -233,6 +239,7 @@ RedmineApp::Application.routes.draw do
       get 'shixun_feedback'
       match 'update_user',:via=>[:get,:post]
       post 'support_shixuns_search'
+      match 'export_excel', :via => [:get, :post]
     end
   end
   # Enable Grack support
diff --git a/db/migrate/20170904071627_create_challenge_chooses.rb b/db/migrate/20170904071627_create_challenge_chooses.rb
new file mode 100644
index 000000000..92f81e28d
--- /dev/null
+++ b/db/migrate/20170904071627_create_challenge_chooses.rb
@@ -0,0 +1,16 @@
+class CreateChallengeChooses < ActiveRecord::Migration
+  def change
+    create_table :challenge_chooses do |t|
+      t.string  :subject
+      t.integer :challenge_id
+      t.string  :standard_answer
+      t.text    :answer
+      t.integer :score
+      t.integer :difficult
+      t.integer :type
+      t.string  :position, :default => 1
+
+      t.timestamps
+    end
+  end
+end
diff --git a/db/migrate/20170904082600_create_choose_outputs.rb b/db/migrate/20170904082600_create_choose_outputs.rb
new file mode 100644
index 000000000..3c2abc636
--- /dev/null
+++ b/db/migrate/20170904082600_create_choose_outputs.rb
@@ -0,0 +1,12 @@
+class CreateChooseOutputs < ActiveRecord::Migration
+  def change
+    create_table :choose_outputs do |t|
+      t.integer :challenge_choose_id
+      t.integer :user_id
+      t.string :answer
+      t.string :correct
+
+      t.timestamps
+    end
+  end
+end
diff --git a/db/migrate/20170904091629_modify_challenge_id_for_challgenge_question.rb b/db/migrate/20170904091629_modify_challenge_id_for_challgenge_question.rb
new file mode 100644
index 000000000..aca2cb4a4
--- /dev/null
+++ b/db/migrate/20170904091629_modify_challenge_id_for_challgenge_question.rb
@@ -0,0 +1,8 @@
+class ModifyChallengeIdForChallgengeQuestion < ActiveRecord::Migration
+  def up
+    rename_column :challenge_questions, :challenge_id, :challenge_choose_id
+  end
+
+  def down
+  end
+end
diff --git a/db/migrate/20170907100131_add_challenge_choose_id_to_challenge_tags.rb b/db/migrate/20170907100131_add_challenge_choose_id_to_challenge_tags.rb
new file mode 100644
index 000000000..43eb8456f
--- /dev/null
+++ b/db/migrate/20170907100131_add_challenge_choose_id_to_challenge_tags.rb
@@ -0,0 +1,5 @@
+class AddChallengeChooseIdToChallengeTags < ActiveRecord::Migration
+  def change
+    add_column :challenge_tags, :challenge_question_id, :integer
+  end
+end
diff --git a/db/migrate/20170911033152_modify_challenge_question_id_for_challenge_tags.rb b/db/migrate/20170911033152_modify_challenge_question_id_for_challenge_tags.rb
new file mode 100644
index 000000000..adfe808c6
--- /dev/null
+++ b/db/migrate/20170911033152_modify_challenge_question_id_for_challenge_tags.rb
@@ -0,0 +1,8 @@
+class ModifyChallengeQuestionIdForChallengeTags < ActiveRecord::Migration
+  def up
+    rename_column :challenge_tags, :challenge_question_id, :challenge_choose_id
+  end
+
+  def down
+  end
+end
diff --git a/db/migrate/20170912024832_modify_type_for_challenge_chooses.rb b/db/migrate/20170912024832_modify_type_for_challenge_chooses.rb
new file mode 100644
index 000000000..3afd4dd64
--- /dev/null
+++ b/db/migrate/20170912024832_modify_type_for_challenge_chooses.rb
@@ -0,0 +1,8 @@
+class ModifyTypeForChallengeChooses < ActiveRecord::Migration
+  def up
+    rename_column :challenge_chooses, :type, :category
+  end
+
+  def down
+  end
+end
diff --git a/db/migrate/20170914024926_modify_correct_type_for_choose_outputs.rb b/db/migrate/20170914024926_modify_correct_type_for_choose_outputs.rb
new file mode 100644
index 000000000..a186d8842
--- /dev/null
+++ b/db/migrate/20170914024926_modify_correct_type_for_choose_outputs.rb
@@ -0,0 +1,8 @@
+class ModifyCorrectTypeForChooseOutputs < ActiveRecord::Migration
+  def up
+    change_column :choose_outputs, :correct, :boolean
+  end
+
+  def down
+  end
+end
diff --git a/public/javascripts/edu/edu_tpi.js b/public/javascripts/edu/edu_tpi.js
index b9d9e33da..ad20d65f8 100644
--- a/public/javascripts/edu/edu_tpi.js
+++ b/public/javascripts/edu/edu_tpi.js
@@ -121,9 +121,10 @@ $(function(){
 });
 
 // 查看参考答案
-function open_answer(game, myshixun){
+function open_answer(game, myshixun, choose){
     $.ajax({
         url: "/myshixuns/" + myshixun + "/stages/" + game + "/answer",
+        data:{choose: choose},
         dataType: "script"
     })
 }
@@ -150,11 +151,11 @@ function open_answer(game, myshixun){
 
 // 选择题选择答案
 function choice_answer(st, nThis){
-    if(st == "1"){
+    if(st == "2"){
         //$(nThis).hasClass("card-check") ? $(nThis).removeClass("card-check") : $(nThis).addClass("card-check");
         $(nThis).toggleClass("card-check");
         $(nThis).toggleClass("color_white");
-    } else if (st == "2"){
+    } else if (st == "1"){
         var choice = $(".color_white");
         choice.removeClass("card-check");
         choice.removeClass("color_white");
diff --git a/public/plugin_assets/redmine_code_review/stylesheets/window_js/mac_os_x.css b/public/plugin_assets/redmine_code_review/stylesheets/window_js/mac_os_x.css
index fdff45d8e..24751f868 100644
--- a/public/plugin_assets/redmine_code_review/stylesheets/window_js/mac_os_x.css
+++ b/public/plugin_assets/redmine_code_review/stylesheets/window_js/mac_os_x.css
@@ -1,333 +1,333 @@
-/* Focused windows */
-.overlay_mac_os_x {
-	background-color: #85BBEF;
-	filter:alpha(opacity=60);
-	-moz-opacity: 0.6;
-	opacity: 0.6;
-}
-
-.mac_os_x_nw {
-	background: transparent url(mac_os_x/TL_Main.png) no-repeat 0 0;			
-  width:24px;
-  height:30px;
-}
-
-.mac_os_x_n {
-  background: transparent url(mac_os_x/T_Main.png) repeat-x 0 0;			
-  height:30px;
-}
-
-.mac_os_x_ne {
-  background: transparent url(mac_os_x/TR_Main.png) no-repeat 0 0;			
-  width:31px;	  
-  height:30px;
-}
-
-.mac_os_x_w {
-  background: transparent url(mac_os_x/L_Main.png) repeat-y top left;			
-  width:16px;
-}
-
-.mac_os_x_e {
-  background: transparent url(mac_os_x/R_Main.png) repeat-y top right;			
-  width:16px;	  
-}
-
-.mac_os_x_sw {
-  background: transparent url(mac_os_x/BL_Main.png) no-repeat 0 0;			
-  width:31px;
-  height:40px;
-}
-
-.mac_os_x_s {
-  background: transparent url(mac_os_x/B_Main.png) repeat-x 0 0;			
-  height:40px;
-}
-
-.mac_os_x_se, .mac_os_x_sizer {
-  background: transparent url(mac_os_x/BR_Main.png) no-repeat 0 0;			
-  width:31px;
-  height:40px;
-}
-
-.mac_os_x_sizer {
-	cursor:se-resize;	
-}
-
-.mac_os_x_close {
-	width: 19px;
-	height: 19px;
-	background: transparent url(mac_os_x/close.gif) no-repeat 0 0;			
-	position:absolute;
-	top:12px;
-	left:25px;
-	cursor:pointer;
-	z-index:1000;
-}
-
-.mac_os_x_minimize {
-	width: 19px;
-	height: 19px;
-	background: transparent url(mac_os_x/minimize.gif) no-repeat 0 0;			
-	position:absolute;
-	top:12px;
-	left:45px;
-	cursor:pointer;
-	z-index:1000;
-}
-
-.mac_os_x_maximize {
-	width: 19px;
-	height: 19px;
-	background: transparent url(mac_os_x/maximize.gif) no-repeat 0 0;			
-	position:absolute;
-	top:12px;
-	left:65px;
-	cursor:pointer;
-	z-index:1000;
-}
-
-.mac_os_x_title {
-	float:left;
-	height:14px;
-	font-family: Tahoma, Arial, sans-serif;
-	font-size:12px;
-	text-align:center;
-	margin-top:8px;
-	width:100%;
-	color:#000;
-}
-
-.mac_os_x_content {
-	overflow:auto;
-	color: #222;
-	font-family: Tahoma, Arial, sans-serif;
-	font-size: 10px;
-	background:#FFF;
-}
-.mac_os_x_s .status_bar {
-  padding-bottom:24px;
-}
-
-/* FOR IE */
-* html .mac_os_x_nw {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/TL_Main.png", sizingMethod="crop");
-}
-
-* html .mac_os_x_n {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/T_Main.png", sizingMethod="scale");
-}
-
-* html .mac_os_x_ne {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/TR_Main.png", sizingMethod="crop");
-}
-
-* html .mac_os_x_w {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/L_Main.png", sizingMethod="scale");
-}
-
-* html .mac_os_x_e {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/R_Main.png", sizingMethod="scale");
-}
-
-* html .mac_os_x_sw {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/BL_Main.png", sizingMethod="crop");
-}
-
-* html .mac_os_x_s {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/B_Main.png", sizingMethod="scale");
-}
-
-* html .mac_os_x_se {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/BR_Main.png", sizingMethod="crop");
-}
-
-* html .mac_os_x_sizer {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/BR_Main.png", sizingMethod="crop");
-}
-
-
-/* Focused windows */
-.overlay_blur_os_x {
-	background-color: #85BBEF;
-	filter:alpha(opacity=60);
-	-moz-opacity: 0.6;
-	opacity: 0.6;
-}
-
-.blur_os_x_nw {
-	background: transparent url(mac_os_x/TL.png) no-repeat 0 0;			
-  width:24px;
-  height:30px;
-}
-
-.blur_os_x_n {
-  background: transparent url(mac_os_x/T.png) repeat-x 0 0;			
-  height:30px;
-}
-
-.blur_os_x_ne {
-  background: transparent url(mac_os_x/TR.png) no-repeat 0 0;			
-  width:31px;	  
-  height:30px;
-}
-
-.blur_os_x_w {
-  background: transparent url(mac_os_x/L.png) repeat-y top left;			
-  width:16px;
-}
-
-.blur_os_x_e {
-  background: transparent url(mac_os_x/R.png) repeat-y top right;			
-  width:16px;	  
-}
-
-.blur_os_x_sw {
-  background: transparent url(mac_os_x/BL.png) no-repeat 0 0;			
-  width:31px;
-  height:40px;
-}
-
-.blur_os_x_s {
-  background: transparent url(mac_os_x/B.png) repeat-x 0 0;			
-  height:40px;
-}
-
-.blur_os_x_se, .blur_os_x_sizer {
-  background: transparent url(mac_os_x/BR.png) no-repeat 0 0;			
-  width:31px;
-  height:40px;
-}
-
-.blur_os_x_sizer {
-	cursor:se-resize;	
-}
-
-.blur_os_x_close {
-	width: 19px;
-	height: 19px;
-	background: transparent url(mac_os_x/close.gif) no-repeat 0 0;			
-	position:absolute;
-	top:12px;
-	left:25px;
-	cursor:pointer;
-	z-index:1000;
-}
-
-.blur_os_x_minimize {
-	width: 19px;
-	height: 19px;
-	background: transparent url(mac_os_x/minimize.gif) no-repeat 0 0;			
-	position:absolute;
-	top:12px;
-	left:45px;
-	cursor:pointer;
-	z-index:1000;
-}
-
-.blur_os_x_maximize {
-	width: 19px;
-	height: 19px;
-	background: transparent url(mac_os_x/maximize.gif) no-repeat 0 0;			
-	position:absolute;
-	top:12px;
-	left:65px;
-	cursor:pointer;
-	z-index:1000;
-}
-
-.blur_os_x_title {
-	float:left;
-	height:14px;
-	font-family: Tahoma, Arial, sans-serif;
-	font-size:12px;
-	text-align:center;
-	margin-top:8px;
-	width:100%;
-	color:#000;
-}
-
-.blur_os_x_content {
-	overflow:auto;
-	color: #222;
-	font-family: Tahoma, Arial, sans-serif;
-	font-size: 10px;
-	background:#FFF;
-}
-.blur_os_x_s .status_bar {
-  padding-bottom:24px;
-}
-
-/* FOR IE */
-* html .blur_os_x_nw {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/TL.png", sizingMethod="crop");
-}
-
-* html .blur_os_x_n {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/T.png", sizingMethod="scale");
-}
-
-* html .blur_os_x_ne {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/TR.png", sizingMethod="crop");
-}
-
-* html .blur_os_x_w {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/L.png", sizingMethod="scale");
-}
-
-* html .blur_os_x_e {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/R.png", sizingMethod="scale");
-}
-
-* html .blur_os_x_sw {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/BL.png", sizingMethod="crop");
-}
-
-* html .blur_os_x_s {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/B.png", sizingMethod="scale");
-}
-
-* html .blur_os_x_se {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/BR.png", sizingMethod="crop");
-}
-
-* html .blur_os_x_sizer {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/BR.png", sizingMethod="crop");
-}
-
+/* Focused windows */
+.overlay_mac_os_x {
+	background-color: #85BBEF;
+	filter:alpha(opacity=60);
+	-moz-opacity: 0.6;
+	opacity: 0.6;
+}
+
+.mac_os_x_nw {
+	background: transparent url(mac_os_x/TL_Main.png) no-repeat 0 0;			
+  width:24px;
+  height:30px;
+}
+
+.mac_os_x_n {
+  background: transparent url(mac_os_x/T_Main.png) repeat-x 0 0;			
+  height:30px;
+}
+
+.mac_os_x_ne {
+  background: transparent url(mac_os_x/TR_Main.png) no-repeat 0 0;			
+  width:31px;	  
+  height:30px;
+}
+
+.mac_os_x_w {
+  background: transparent url(mac_os_x/L_Main.png) repeat-y top left;			
+  width:16px;
+}
+
+.mac_os_x_e {
+  background: transparent url(mac_os_x/R_Main.png) repeat-y top right;			
+  width:16px;	  
+}
+
+.mac_os_x_sw {
+  background: transparent url(mac_os_x/BL_Main.png) no-repeat 0 0;			
+  width:31px;
+  height:40px;
+}
+
+.mac_os_x_s {
+  background: transparent url(mac_os_x/B_Main.png) repeat-x 0 0;			
+  height:40px;
+}
+
+.mac_os_x_se, .mac_os_x_sizer {
+  background: transparent url(mac_os_x/BR_Main.png) no-repeat 0 0;			
+  width:31px;
+  height:40px;
+}
+
+.mac_os_x_sizer {
+	cursor:se-resize;	
+}
+
+.mac_os_x_close {
+	width: 19px;
+	height: 19px;
+	background: transparent url(mac_os_x/close.gif) no-repeat 0 0;			
+	position:absolute;
+	top:12px;
+	left:25px;
+	cursor:pointer;
+	z-index:1000;
+}
+
+.mac_os_x_minimize {
+	width: 19px;
+	height: 19px;
+	background: transparent url(mac_os_x/minimize.gif) no-repeat 0 0;			
+	position:absolute;
+	top:12px;
+	left:45px;
+	cursor:pointer;
+	z-index:1000;
+}
+
+.mac_os_x_maximize {
+	width: 19px;
+	height: 19px;
+	background: transparent url(mac_os_x/maximize.gif) no-repeat 0 0;			
+	position:absolute;
+	top:12px;
+	left:65px;
+	cursor:pointer;
+	z-index:1000;
+}
+
+.mac_os_x_title {
+	float:left;
+	height:14px;
+	font-family: Tahoma, Arial, sans-serif;
+	font-size:12px;
+	text-align:center;
+	margin-top:8px;
+	width:100%;
+	color:#000;
+}
+
+.mac_os_x_content {
+	overflow:auto;
+	color: #222;
+	font-family: Tahoma, Arial, sans-serif;
+	font-size: 10px;
+	background:#FFF;
+}
+.mac_os_x_s .status_bar {
+  padding-bottom:24px;
+}
+
+/* FOR IE */
+* html .mac_os_x_nw {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/TL_Main.png", sizingMethod="crop");
+}
+
+* html .mac_os_x_n {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/T_Main.png", sizingMethod="scale");
+}
+
+* html .mac_os_x_ne {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/TR_Main.png", sizingMethod="crop");
+}
+
+* html .mac_os_x_w {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/L_Main.png", sizingMethod="scale");
+}
+
+* html .mac_os_x_e {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/R_Main.png", sizingMethod="scale");
+}
+
+* html .mac_os_x_sw {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/BL_Main.png", sizingMethod="crop");
+}
+
+* html .mac_os_x_s {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/B_Main.png", sizingMethod="scale");
+}
+
+* html .mac_os_x_se {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/BR_Main.png", sizingMethod="crop");
+}
+
+* html .mac_os_x_sizer {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/BR_Main.png", sizingMethod="crop");
+}
+
+
+/* Focused windows */
+.overlay_blur_os_x {
+	background-color: #85BBEF;
+	filter:alpha(opacity=60);
+	-moz-opacity: 0.6;
+	opacity: 0.6;
+}
+
+.blur_os_x_nw {
+	background: transparent url(mac_os_x/TL.png) no-repeat 0 0;			
+  width:24px;
+  height:30px;
+}
+
+.blur_os_x_n {
+  background: transparent url(mac_os_x/T.png) repeat-x 0 0;			
+  height:30px;
+}
+
+.blur_os_x_ne {
+  background: transparent url(mac_os_x/TR.png) no-repeat 0 0;			
+  width:31px;	  
+  height:30px;
+}
+
+.blur_os_x_w {
+  background: transparent url(mac_os_x/L.png) repeat-y top left;			
+  width:16px;
+}
+
+.blur_os_x_e {
+  background: transparent url(mac_os_x/R.png) repeat-y top right;			
+  width:16px;	  
+}
+
+.blur_os_x_sw {
+  background: transparent url(mac_os_x/BL.png) no-repeat 0 0;			
+  width:31px;
+  height:40px;
+}
+
+.blur_os_x_s {
+  background: transparent url(mac_os_x/B.png) repeat-x 0 0;			
+  height:40px;
+}
+
+.blur_os_x_se, .blur_os_x_sizer {
+  background: transparent url(mac_os_x/BR.png) no-repeat 0 0;			
+  width:31px;
+  height:40px;
+}
+
+.blur_os_x_sizer {
+	cursor:se-resize;	
+}
+
+.blur_os_x_close {
+	width: 19px;
+	height: 19px;
+	background: transparent url(mac_os_x/close.gif) no-repeat 0 0;			
+	position:absolute;
+	top:12px;
+	left:25px;
+	cursor:pointer;
+	z-index:1000;
+}
+
+.blur_os_x_minimize {
+	width: 19px;
+	height: 19px;
+	background: transparent url(mac_os_x/minimize.gif) no-repeat 0 0;			
+	position:absolute;
+	top:12px;
+	left:45px;
+	cursor:pointer;
+	z-index:1000;
+}
+
+.blur_os_x_maximize {
+	width: 19px;
+	height: 19px;
+	background: transparent url(mac_os_x/maximize.gif) no-repeat 0 0;			
+	position:absolute;
+	top:12px;
+	left:65px;
+	cursor:pointer;
+	z-index:1000;
+}
+
+.blur_os_x_title {
+	float:left;
+	height:14px;
+	font-family: Tahoma, Arial, sans-serif;
+	font-size:12px;
+	text-align:center;
+	margin-top:8px;
+	width:100%;
+	color:#000;
+}
+
+.blur_os_x_content {
+	overflow:auto;
+	color: #222;
+	font-family: Tahoma, Arial, sans-serif;
+	font-size: 10px;
+	background:#FFF;
+}
+.blur_os_x_s .status_bar {
+  padding-bottom:24px;
+}
+
+/* FOR IE */
+* html .blur_os_x_nw {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/TL.png", sizingMethod="crop");
+}
+
+* html .blur_os_x_n {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/T.png", sizingMethod="scale");
+}
+
+* html .blur_os_x_ne {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/TR.png", sizingMethod="crop");
+}
+
+* html .blur_os_x_w {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/L.png", sizingMethod="scale");
+}
+
+* html .blur_os_x_e {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/R.png", sizingMethod="scale");
+}
+
+* html .blur_os_x_sw {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/BL.png", sizingMethod="crop");
+}
+
+* html .blur_os_x_s {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/B.png", sizingMethod="scale");
+}
+
+* html .blur_os_x_se {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/BR.png", sizingMethod="crop");
+}
+
+* html .blur_os_x_sizer {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x/BR.png", sizingMethod="crop");
+}
+
diff --git a/public/plugin_assets/redmine_code_review/stylesheets/window_js/mac_os_x_dialog.css b/public/plugin_assets/redmine_code_review/stylesheets/window_js/mac_os_x_dialog.css
index 4c89f602d..e663e3c5e 100644
--- a/public/plugin_assets/redmine_code_review/stylesheets/window_js/mac_os_x_dialog.css
+++ b/public/plugin_assets/redmine_code_review/stylesheets/window_js/mac_os_x_dialog.css
@@ -1,160 +1,160 @@
-.overlay_mac_os_x_dialog {
-	background-color: #FF7224;
-	filter:alpha(opacity=60);
-	-moz-opacity: 0.6;
-	opacity: 0.6;
-}
-
-.mac_os_x_dialog_nw {
-  background: transparent url(mac_os_x_dialog/L.png) repeat-y top left;			
-  width:16px;
-  height:16px;
-}
-
-.mac_os_x_dialog_n {
-	background: transparent url(mac_os_x_dialog/bg.gif) repeat 0 0;			
-  height:18px;
-}
-
-.mac_os_x_dialog_ne {
-  background: transparent url(mac_os_x_dialog/R.png) repeat-y top left;
-  width:16px;
-  height:16px;
-}
-
-.mac_os_x_dialog_w {
-  background: transparent url(mac_os_x_dialog/L.png) repeat-y top left;			
-  width:16px;
-}
-
-.mac_os_x_dialog_e {
-  background: transparent url(mac_os_x_dialog/R.png) repeat-y top right;			
-  width:16px;	  
-}
-
-.mac_os_x_dialog_sw {
-  background: transparent url(mac_os_x_dialog/BL.png) no-repeat 0 0;			
-  width:31px;
-  height:40px;
-}
-
-.mac_os_x_dialog_s {
-  background: transparent url(mac_os_x_dialog/B.png) repeat-x 0 0;			
-  height:40px;
-}
-
-.mac_os_x_dialog_se, .mac_os_x_dialog_sizer {
-  background: transparent url(mac_os_x_dialog/BR.png) no-repeat 0 0;			
-  width:31px;
-  height:40px;
-}
-
-.mac_os_x_dialog_sizer {
-	cursor:se-resize;	
-}
-
-.mac_os_x_dialog_close {
-	width: 19px;
-	height: 19px;
-	background: transparent url(mac_os_x_dialog/close.gif) no-repeat 0 0;			
-	position:absolute;
-	top:12px;
-	left:25px;
-	cursor:pointer;
-	z-index:1000;
-}
-
-.mac_os_x_dialog_minimize {
-	width: 19px;
-	height: 19px;
-	background: transparent url(mac_os_x_dialog/minimize.gif) no-repeat 0 0;			
-	position:absolute;
-	top:12px;
-	left:45px;
-	cursor:pointer;
-	z-index:1000;
-}
-
-.mac_os_x_dialog_maximize {
-	width: 19px;
-	height: 19px;
-	background: transparent url(mac_os_x_dialog/maximize.gif) no-repeat 0 0;			
-	position:absolute;
-	top:12px;
-	left:65px;
-	cursor:pointer;
-	z-index:1000;
-}
-
-.mac_os_x_dialog_title {
-	float:left;
-	height:14px;
-	font-family: Tahoma, Arial, sans-serif;
-	font-size:12px;
-	text-align:center;
-	margin-top:6px;
-	width:100%;
-	color:#000;
-}
-
-.mac_os_x_dialog_content {
-	overflow:auto;
-	color: #222;
-	font-family: Tahoma, Arial, sans-serif;
-	font-size: 10px;
-	background: transparent url(mac_os_x_dialog/bg.gif) repeat 0 0;			
-}
-
-.mac_os_x_dialog_buttons {
-  text-align: center;
-}
-/* FOR IE */
-* html .mac_os_x_dialog_nw {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x_dialog/L.png", sizingMethod="scale");
-}
-
-
-* html .mac_os_x_dialog_ne {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x_dialog/R.png", sizingMethod="scale");
-}
-
-* html .mac_os_x_dialog_w {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x_dialog/L.png", sizingMethod="scale");
-}
-
-* html .mac_os_x_dialog_e {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x_dialog/R.png", sizingMethod="scale");
-}
-
-* html .mac_os_x_dialog_sw {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x_dialog/BL.png", sizingMethod="crop");
-}
-
-* html .mac_os_x_dialog_s {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x_dialog/B.png", sizingMethod="scale");
-}
-
-* html .mac_os_x_dialog_se {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x_dialog/BR.png", sizingMethod="crop");
-}
-
-* html .mac_os_x_dialog_sizer {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x_dialog/BR.png", sizingMethod="crop");
-}
-
+.overlay_mac_os_x_dialog {
+	background-color: #FF7224;
+	filter:alpha(opacity=60);
+	-moz-opacity: 0.6;
+	opacity: 0.6;
+}
+
+.mac_os_x_dialog_nw {
+  background: transparent url(mac_os_x_dialog/L.png) repeat-y top left;			
+  width:16px;
+  height:16px;
+}
+
+.mac_os_x_dialog_n {
+	background: transparent url(mac_os_x_dialog/bg.gif) repeat 0 0;			
+  height:18px;
+}
+
+.mac_os_x_dialog_ne {
+  background: transparent url(mac_os_x_dialog/R.png) repeat-y top left;
+  width:16px;
+  height:16px;
+}
+
+.mac_os_x_dialog_w {
+  background: transparent url(mac_os_x_dialog/L.png) repeat-y top left;			
+  width:16px;
+}
+
+.mac_os_x_dialog_e {
+  background: transparent url(mac_os_x_dialog/R.png) repeat-y top right;			
+  width:16px;	  
+}
+
+.mac_os_x_dialog_sw {
+  background: transparent url(mac_os_x_dialog/BL.png) no-repeat 0 0;			
+  width:31px;
+  height:40px;
+}
+
+.mac_os_x_dialog_s {
+  background: transparent url(mac_os_x_dialog/B.png) repeat-x 0 0;			
+  height:40px;
+}
+
+.mac_os_x_dialog_se, .mac_os_x_dialog_sizer {
+  background: transparent url(mac_os_x_dialog/BR.png) no-repeat 0 0;			
+  width:31px;
+  height:40px;
+}
+
+.mac_os_x_dialog_sizer {
+	cursor:se-resize;	
+}
+
+.mac_os_x_dialog_close {
+	width: 19px;
+	height: 19px;
+	background: transparent url(mac_os_x_dialog/close.gif) no-repeat 0 0;			
+	position:absolute;
+	top:12px;
+	left:25px;
+	cursor:pointer;
+	z-index:1000;
+}
+
+.mac_os_x_dialog_minimize {
+	width: 19px;
+	height: 19px;
+	background: transparent url(mac_os_x_dialog/minimize.gif) no-repeat 0 0;			
+	position:absolute;
+	top:12px;
+	left:45px;
+	cursor:pointer;
+	z-index:1000;
+}
+
+.mac_os_x_dialog_maximize {
+	width: 19px;
+	height: 19px;
+	background: transparent url(mac_os_x_dialog/maximize.gif) no-repeat 0 0;			
+	position:absolute;
+	top:12px;
+	left:65px;
+	cursor:pointer;
+	z-index:1000;
+}
+
+.mac_os_x_dialog_title {
+	float:left;
+	height:14px;
+	font-family: Tahoma, Arial, sans-serif;
+	font-size:12px;
+	text-align:center;
+	margin-top:6px;
+	width:100%;
+	color:#000;
+}
+
+.mac_os_x_dialog_content {
+	overflow:auto;
+	color: #222;
+	font-family: Tahoma, Arial, sans-serif;
+	font-size: 10px;
+	background: transparent url(mac_os_x_dialog/bg.gif) repeat 0 0;			
+}
+
+.mac_os_x_dialog_buttons {
+  text-align: center;
+}
+/* FOR IE */
+* html .mac_os_x_dialog_nw {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x_dialog/L.png", sizingMethod="scale");
+}
+
+
+* html .mac_os_x_dialog_ne {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x_dialog/R.png", sizingMethod="scale");
+}
+
+* html .mac_os_x_dialog_w {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x_dialog/L.png", sizingMethod="scale");
+}
+
+* html .mac_os_x_dialog_e {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x_dialog/R.png", sizingMethod="scale");
+}
+
+* html .mac_os_x_dialog_sw {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x_dialog/BL.png", sizingMethod="crop");
+}
+
+* html .mac_os_x_dialog_s {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x_dialog/B.png", sizingMethod="scale");
+}
+
+* html .mac_os_x_dialog_se {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x_dialog/BR.png", sizingMethod="crop");
+}
+
+* html .mac_os_x_dialog_sizer {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/mac_os_x_dialog/BR.png", sizingMethod="crop");
+}
+
diff --git a/public/plugin_assets/redmine_code_review/stylesheets/window_js/nuncio.css b/public/plugin_assets/redmine_code_review/stylesheets/window_js/nuncio.css
index e2700e5b7..2c439bd00 100644
--- a/public/plugin_assets/redmine_code_review/stylesheets/window_js/nuncio.css
+++ b/public/plugin_assets/redmine_code_review/stylesheets/window_js/nuncio.css
@@ -1,164 +1,164 @@
-.overlay_nuncio img { border: none; }
-
-.overlay_nuncio {
-	background-color: #666666;
-}
-
-.nuncio_nw {
-	width: 12px;
-	height: 28px;
-	background: url(nuncio/top_left.png) no-repeat;		
-}
-
-.nuncio_n {
-	background: url(nuncio/top_mid.png) repeat-x;
-	height: 28px;
-}
-
-.nuncio_ne {
-	width: 21px;
-	height: 28px;
-	background: url(nuncio/top_right.png) no-repeat;		
-}
-
-.nuncio_e {
-	width: 21px;
-	background: url(nuncio/center_right.png)  repeat-y top right;		
-}
-
-.nuncio_w {
-	width: 12px;
-	background: url(nuncio/center_left.png) repeat-y top left;			
-}
-
-.nuncio_sw {
-	width: 12px;
-	height: 18px;
-	background: url(nuncio/bottom_left.png) no-repeat;			
-}
-
-.nuncio_s {
-	background: url(nuncio/bottom_mid.png) repeat-x 0 0;				
-	height: 18px;
-}
-
-.nuncio_se, .nuncio_sizer {
-	width: 21px;
-	height: 18px;
-	background: url(nuncio/bottom_right.png) no-repeat;			
-}
-
-.nuncio_close {
-	width: 14px;
-	height: 14px;
-	background: url(nuncio/close.png) no-repeat;			
-	position:absolute;
-	top:10px;
-	right:22px;
-	cursor:pointer;
-	z-index:2000;
-}
-
-.nuncio_minimize {
-	width: 14px;
-	height: 15px;
-	background: url(nuncio/minimize.png) no-repeat;			
-	position:absolute;
-	top:10px;
-	right:40px;
-	cursor:pointer;
-	z-index:2000;
-}
-
-.nuncio_title {
-	float:left;
-	font-size:11px;
-	font-weight: bold;
-	font-style: italic;
-	color: #fff;
-	width: 100%
-}
-
-.nuncio_content {
-	background: url(nuncio/overlay.png) repeat;
-	overflow:auto;
-	color: #ddd;
-	font-family: Tahoma, Arial, "sans-serif";
-	font-size: 10px;
-}
-
-.nuncio_sizer {
-	cursor:se-resize;	
-}
-
-
-.top_draggable, .bottom_draggable {
-  cursor:move
-}
-/* FOR IE */
-* html .nuncio_nw {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/nuncio/top_left.png", sizingMethod="crop");
-}
-
-* html .nuncio_n {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/nuncio/top_mid.png", sizingMethod="scale");
-}
-
-* html .nuncio_ne {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/nuncio/top_right.png", sizingMethod="crop");
-}
-
-* html .nuncio_w {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/nuncio/center_left.png", sizingMethod="scale");
-}
-
-* html .nuncio_e {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/nuncio/center_right.png", sizingMethod="scale");
-}
-
-* html .nuncio_sw {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/nuncio/bottom_left.png", sizingMethod="crop");
-}
-
-* html .nuncio_s {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/nuncio/bottom_mid.png", sizingMethod="scale");
-}
-
-* html .nuncio_se {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/nuncio/bottom_right.png", sizingMethod="crop");
-}
-
-* html .nuncio_sizer {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/nuncio/bottom_right.png", sizingMethod="crop");
-}
-
-* html .nuncio_close {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/nuncio/close.png", sizingMethod="crop");
-}
-
-* html .nuncio_minimize {
-	background-color: transparent;
-	background-image: none;
-	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/nuncio/minimize.png", sizingMethod="crop");
-}
-
+.overlay_nuncio img { border: none; }
+
+.overlay_nuncio {
+	background-color: #666666;
+}
+
+.nuncio_nw {
+	width: 12px;
+	height: 28px;
+	background: url(nuncio/top_left.png) no-repeat;		
+}
+
+.nuncio_n {
+	background: url(nuncio/top_mid.png) repeat-x;
+	height: 28px;
+}
+
+.nuncio_ne {
+	width: 21px;
+	height: 28px;
+	background: url(nuncio/top_right.png) no-repeat;		
+}
+
+.nuncio_e {
+	width: 21px;
+	background: url(nuncio/center_right.png)  repeat-y top right;		
+}
+
+.nuncio_w {
+	width: 12px;
+	background: url(nuncio/center_left.png) repeat-y top left;			
+}
+
+.nuncio_sw {
+	width: 12px;
+	height: 18px;
+	background: url(nuncio/bottom_left.png) no-repeat;			
+}
+
+.nuncio_s {
+	background: url(nuncio/bottom_mid.png) repeat-x 0 0;				
+	height: 18px;
+}
+
+.nuncio_se, .nuncio_sizer {
+	width: 21px;
+	height: 18px;
+	background: url(nuncio/bottom_right.png) no-repeat;			
+}
+
+.nuncio_close {
+	width: 14px;
+	height: 14px;
+	background: url(nuncio/close.png) no-repeat;			
+	position:absolute;
+	top:10px;
+	right:22px;
+	cursor:pointer;
+	z-index:2000;
+}
+
+.nuncio_minimize {
+	width: 14px;
+	height: 15px;
+	background: url(nuncio/minimize.png) no-repeat;			
+	position:absolute;
+	top:10px;
+	right:40px;
+	cursor:pointer;
+	z-index:2000;
+}
+
+.nuncio_title {
+	float:left;
+	font-size:11px;
+	font-weight: bold;
+	font-style: italic;
+	color: #fff;
+	width: 100%
+}
+
+.nuncio_content {
+	background: url(nuncio/overlay.png) repeat;
+	overflow:auto;
+	color: #ddd;
+	font-family: Tahoma, Arial, "sans-serif";
+	font-size: 10px;
+}
+
+.nuncio_sizer {
+	cursor:se-resize;	
+}
+
+
+.top_draggable, .bottom_draggable {
+  cursor:move
+}
+/* FOR IE */
+* html .nuncio_nw {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/nuncio/top_left.png", sizingMethod="crop");
+}
+
+* html .nuncio_n {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/nuncio/top_mid.png", sizingMethod="scale");
+}
+
+* html .nuncio_ne {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/nuncio/top_right.png", sizingMethod="crop");
+}
+
+* html .nuncio_w {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/nuncio/center_left.png", sizingMethod="scale");
+}
+
+* html .nuncio_e {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/nuncio/center_right.png", sizingMethod="scale");
+}
+
+* html .nuncio_sw {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/nuncio/bottom_left.png", sizingMethod="crop");
+}
+
+* html .nuncio_s {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/nuncio/bottom_mid.png", sizingMethod="scale");
+}
+
+* html .nuncio_se {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/nuncio/bottom_right.png", sizingMethod="crop");
+}
+
+* html .nuncio_sizer {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/nuncio/bottom_right.png", sizingMethod="crop");
+}
+
+* html .nuncio_close {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/nuncio/close.png", sizingMethod="crop");
+}
+
+* html .nuncio_minimize {
+	background-color: transparent;
+	background-image: none;
+	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../themes/nuncio/minimize.png", sizingMethod="crop");
+}
+
diff --git a/public/plugin_assets/redmine_code_review/stylesheets/window_js/spread.css b/public/plugin_assets/redmine_code_review/stylesheets/window_js/spread.css
index d7d722e8a..9bda2a68d 100644
--- a/public/plugin_assets/redmine_code_review/stylesheets/window_js/spread.css
+++ b/public/plugin_assets/redmine_code_review/stylesheets/window_js/spread.css
@@ -1,108 +1,108 @@
-.overlay_spread {
-	background-color: #85BBEF;
-	filter:alpha(opacity=60);
-	-moz-opacity: 0.6;
-	opacity: 0.6;
-}
-
-.spread_nw {
-	background: transparent url(spread/left-top.gif) no-repeat 0 0;			
-  width:10px;
-  height:25px;
-}
-
-.spread_n {
-  background: transparent url(spread/top-middle.gif) repeat-x 0 0;			
-  height:25px;
-}
-
-.spread_ne {
-  background: transparent url(spread/right-top.gif) no-repeat 0 0;			
-  width:10px;	  
-  height:25px;
-}
-
-.spread_w {
-  background: transparent url(spread/frame-left.gif) repeat-y top left;			
-  width:7px;
-}
-
-.spread_e {
-  background: transparent url(spread/frame-right.gif) repeat-y top right;			
-  width:7px;	  
-}
-
-.spread_sw {
-  background: transparent url(spread/bottom-left-c.gif) no-repeat 0 0;			
-  width:7px;
-  height:7px;
-}
-
-.spread_s  {
-  background: transparent url(spread/bottom-middle.gif) repeat-x 0 0;			
-  height:7px;
-}
-
-.spread_se, .spread_sizer {
-  background: transparent url(spread/bottom-right-c.gif) no-repeat 0 0;			
-  width:7px;
-  height:7px;
-}
-
-.spread_sizer {
-	cursor:se-resize;	
-}
-
-.spread_close {
-	width: 23px;
-	height: 23px;
-	background: transparent url(spread/button-close-focus.gif) no-repeat 0 0;			
-	position:absolute;
-	top:0px;
-	right:11px;
-	cursor:pointer;
-	z-index:1000;
-}
-
-.spread_minimize {
-	width: 23px;
-	height: 23px;
-	background: transparent url(spread/button-min-focus.gif) no-repeat 0 0;			
-	position:absolute;
-	top:0px;
-	right:55px;
-	cursor:pointer;
-	z-index:1000;
-}
-
-.spread_maximize {
-	width: 23px;
-	height: 23px;
-	background: transparent url(spread/button-max-focus.gif) no-repeat 0 0;			
-	position:absolute;
-	top:0px;
-	right:33px;
-	cursor:pointer;
-	z-index:1000;
-}
-
-.spread_title {
-	float:left;
-	height:14px;
-	font-family: Tahoma, Arial, sans-serif;
-	font-size:14px;
-	font-weight:bold;
-	text-align:left;
-	margin-top:2px;
-	width:100%;
-	color:#E47211;
-}
-
-.spread_content {
-	overflow:auto;
-	color: #222;
-	font-family: Tahoma, Arial, sans-serif;
-	font-size: 10px;
-	background:#A9EA00;
-}
-
+.overlay_spread {
+	background-color: #85BBEF;
+	filter:alpha(opacity=60);
+	-moz-opacity: 0.6;
+	opacity: 0.6;
+}
+
+.spread_nw {
+	background: transparent url(spread/left-top.gif) no-repeat 0 0;			
+  width:10px;
+  height:25px;
+}
+
+.spread_n {
+  background: transparent url(spread/top-middle.gif) repeat-x 0 0;			
+  height:25px;
+}
+
+.spread_ne {
+  background: transparent url(spread/right-top.gif) no-repeat 0 0;			
+  width:10px;	  
+  height:25px;
+}
+
+.spread_w {
+  background: transparent url(spread/frame-left.gif) repeat-y top left;			
+  width:7px;
+}
+
+.spread_e {
+  background: transparent url(spread/frame-right.gif) repeat-y top right;			
+  width:7px;	  
+}
+
+.spread_sw {
+  background: transparent url(spread/bottom-left-c.gif) no-repeat 0 0;			
+  width:7px;
+  height:7px;
+}
+
+.spread_s  {
+  background: transparent url(spread/bottom-middle.gif) repeat-x 0 0;			
+  height:7px;
+}
+
+.spread_se, .spread_sizer {
+  background: transparent url(spread/bottom-right-c.gif) no-repeat 0 0;			
+  width:7px;
+  height:7px;
+}
+
+.spread_sizer {
+	cursor:se-resize;	
+}
+
+.spread_close {
+	width: 23px;
+	height: 23px;
+	background: transparent url(spread/button-close-focus.gif) no-repeat 0 0;			
+	position:absolute;
+	top:0px;
+	right:11px;
+	cursor:pointer;
+	z-index:1000;
+}
+
+.spread_minimize {
+	width: 23px;
+	height: 23px;
+	background: transparent url(spread/button-min-focus.gif) no-repeat 0 0;			
+	position:absolute;
+	top:0px;
+	right:55px;
+	cursor:pointer;
+	z-index:1000;
+}
+
+.spread_maximize {
+	width: 23px;
+	height: 23px;
+	background: transparent url(spread/button-max-focus.gif) no-repeat 0 0;			
+	position:absolute;
+	top:0px;
+	right:33px;
+	cursor:pointer;
+	z-index:1000;
+}
+
+.spread_title {
+	float:left;
+	height:14px;
+	font-family: Tahoma, Arial, sans-serif;
+	font-size:14px;
+	font-weight:bold;
+	text-align:left;
+	margin-top:2px;
+	width:100%;
+	color:#E47211;
+}
+
+.spread_content {
+	overflow:auto;
+	color: #222;
+	font-family: Tahoma, Arial, sans-serif;
+	font-size: 10px;
+	background:#A9EA00;
+}
+
diff --git a/public/stylesheets/css/edu-common.css b/public/stylesheets/css/edu-common.css
index f0ddc4faf..292b14a45 100644
--- a/public/stylesheets/css/edu-common.css
+++ b/public/stylesheets/css/edu-common.css
@@ -153,6 +153,8 @@ a:hover.task-btn-ver{background:#5f7cab;}
 .new_login_submit:hover{background: #19b17e;}
 a.task-btn-email{display: inline-block;font-weight: bold;border: none; width:185px;color: #666;background: #e1e1e1;letter-spacing: 1px;text-align: center;font-size: 14px;height: 40px;line-height: 40px;border-radius: 3px;}
 a:hover.task-btn-email {background: #c3c3c3; color: #666;}
+.white-btn{cursor: pointer;display: inline-block;padding: 0 12px;border: none;letter-spacing: 1px;font-size: 14px;height: 30px;line-height: 30px;border-radius: 3px;}
+a.white-btn.green-btn{color:#29bd8b;border:1px solid #29bd8b; }
 /*07-11  新添加的公用样式   cs*/
 a.course-btn{cursor: pointer;font-weight: bold;border-radius: 4px;display: inline-block;width: auto;padding: 0px 12px;background-color: #FFFFFF;color: #44bfa3;letter-spacing: 1px;height: 30px;line-height: 30px;}
 .bc-grey{background-color: #CCCCCC!important;}
@@ -396,7 +398,7 @@ input::-ms-clear{display:none;}
 .background-orange{background: #FC7033!important;}
 .back-orange-main{background: #FC7500!important;}/*主流橙色*/
 .back-orange-01{background: #FF9e6a!important;}/*带背景标题、带色彩分割线和操作入口*/
-
+.back-f6-grey{background: #F6F6F6;}
 .background-blue a{color:#ffffff!important;}
 .background-orange a{color: #ffffff!important;}
 /*---------------tab公用边框-----------------*/
@@ -408,7 +410,7 @@ input::-ms-clear{display:none;}
 .bor-gray-c{border:1px solid #ccc;}
 .bor-grey-e{border:1px solid #eee;}
 .bor-grey01{border:1px solid #E6EAEB;}
-/*-------------------------tip样式-------------------------*/
+.bor-blue{border:1px solid #5faee3;}/*-------------------------tip样式-------------------------*/
 /*.-task-title{opacity:0;position:absolute;left:0;top:0;display:none;}*/
 /*.-task-desc-title{background:#000;color:#fff;box-shadow:0px 0px 8px #194a81;max-width:300px;word-wrap: break-word;text-align:center;border-radius:10px;padding:0 10px;}*/
 /*.-title-zhixiang{color:#000;position:absolute;display:none;}*/
diff --git a/public/stylesheets/css/taskstyle.css b/public/stylesheets/css/taskstyle.css
index 9a328f030..61aa8718b 100644
--- a/public/stylesheets/css/taskstyle.css
+++ b/public/stylesheets/css/taskstyle.css
@@ -370,8 +370,8 @@ a.shixun-task-ban-btn{background-color: #c2c4c6;display: inline-block;font-weigh
 
 /*--------TPI的答案选项卡------*/
 .quiz-task-options:not(.-compact) {padding:10px;}
-.card {position: relative;background: #515151;border-radius: 2px;overflow: hidden;}
-.card:hover{background: #3f3f3f;}
+.card {position: relative;border-radius: 2px;overflow: hidden;}
+/*.card:hover{background: #3f3f3f;}*/
 .card-check{background: #3498db!important;}
 .-justify {justify-content: space-between;}
 .-center { align-items: center;min-height: 66px;}
@@ -415,3 +415,5 @@ html>body #ajax-indicator-base { position: fixed; }
 .save-tip{display:none;position: fixed;top:0px;left: 0px;width: 100%;height: 100%;}
 .save-tip-content{position: absolute;top:50%;left: 50%;margin-left: -36px;margin-top:-19px;background: rgba(0,0,0,0.7);color:#fff;padding:5px 15px;border-radius: 4px}
 .empty{background: #494A4C;display: inline; margin: 0 2px; padding: 0 3px;}
+
+.nav_check_item li{padding: 0px 17px!important;}