diff --git a/app/controllers/attachments_controller.rb b/app/controllers/attachments_controller.rb
index 2a772a949..4ecff7a40 100644
--- a/app/controllers/attachments_controller.rb
+++ b/app/controllers/attachments_controller.rb
@@ -23,6 +23,7 @@ class AttachmentsController < ApplicationController
   before_filter :delete_authorize, :only => [:destroy]
   before_filter :authorize_global, :only => [:upload]
   before_filter :authorize_attachment_download1, :only => [:download]
+  before_filter :has_login
   #before_filter :login_without_softapplication, only: [:download]
   accept_api_auth :show, :download, :upload
   require 'iconv'
@@ -511,4 +512,8 @@ private
       format.js
     end
   end
+
+  def has_login
+    render_403 unless User.current.logged?
+  end
 end
diff --git a/app/controllers/poll_controller.rb b/app/controllers/poll_controller.rb
index a222314ab..d8a9d88c3 100644
--- a/app/controllers/poll_controller.rb
+++ b/app/controllers/poll_controller.rb
@@ -483,6 +483,24 @@ class PollController < ApplicationController
         count_row += 1
       end
     end
+
+    sheet1.row(count_row).default_format = blue
+    sheet1[count_row ,0] = l(:label_bidding_user_studentname)
+    poll_questions.each_with_index do |poll_question, i|
+      sheet1[count_row ,i + 1] = poll_question.question_title
+    end
+    count_row += 1
+    @poll.users.each do |user|
+      sheet1[count_row ,0] = user.show_name
+      poll_questions.each_with_index do |poll_question, i|
+        if poll_question.question_type == 1 || poll_question.question_type == 2
+          sheet1[count_row ,i + 1] = user.poll_votes.where(:poll_question_id => poll_question.id).map{|poll_vote| poll_vote.poll_answer.answer_text.gsub(/<\/?.*?>/,"").gsub(/&nbsp;/," ") if poll_vote.poll_answer}.join(";")
+        else
+          sheet1[count_row ,i + 1] = user.poll_votes.where(:poll_question_id => poll_question.id).map{|poll_vote| poll_vote.vote_text.gsub(/<\/?.*?>/,"").gsub(/&nbsp;/," ")}.join(";")
+        end
+      end
+      count_row += 1
+    end
     book.write xls_report
     xls_report.string
   end
diff --git a/app/views/boards/show.html.erb b/app/views/boards/show.html.erb
index b49b4a960..5520f526d 100644
--- a/app/views/boards/show.html.erb
+++ b/app/views/boards/show.html.erb
@@ -123,6 +123,7 @@ function nh_check_field(params){
 function nh_init_board(params){
     //发帖/编辑/回复按钮的click
     params.showbtn.click(function(){
+        params.textarea.removeAttr('placeholder');
         if(params.textarea.data('init') == undefined){
             //初始化编辑器
             var editor = params.kindutil.create(params.textarea, {
diff --git a/app/views/courses/_courses_jours.html.erb b/app/views/courses/_courses_jours.html.erb
index 03adc2fd7..cedc05f4b 100644
--- a/app/views/courses/_courses_jours.html.erb
+++ b/app/views/courses/_courses_jours.html.erb
@@ -56,6 +56,7 @@
   $(function(){
 
     function init_editor(params){
+      params.textarea.removeAttr('placeholder');
       var editor = params.kindutil.create(params.textarea, {
         resizeType : 1,minWidth:"1px",width:"100%",height:"150px",
         items:['emoticons'],
diff --git a/app/views/projects/_project_jours.html.erb b/app/views/projects/_project_jours.html.erb
index 93974579f..baee72475 100644
--- a/app/views/projects/_project_jours.html.erb
+++ b/app/views/projects/_project_jours.html.erb
@@ -45,6 +45,7 @@
   $(function(){
 
     function init_editor(params){
+      params.textarea.removeAttr('placeholder');
       var editor = params.kindutil.create(params.textarea, {
         resizeType : 1,minWidth:"1px",width:"100%",height:"150px",
         items:['emoticons'],
diff --git a/app/views/users/_user_jours.html.erb b/app/views/users/_user_jours.html.erb
index aeb3a71ea..9d7a601d5 100644
--- a/app/views/users/_user_jours.html.erb
+++ b/app/views/users/_user_jours.html.erb
@@ -69,6 +69,7 @@
   $(function(){
 
     function init_editor(params){
+      params.textarea.removeAttr('placeholder');
       var editor = params.kindutil.create(params.textarea, {
         resizeType : 1,minWidth:"1px",width:"100%",height:"150px",
         items:['emoticons'],