diff --git a/app/controllers/homework_common_controller.rb b/app/controllers/homework_common_controller.rb
index b7e4b9efd..5e2e7c48a 100644
--- a/app/controllers/homework_common_controller.rb
+++ b/app/controllers/homework_common_controller.rb
@@ -33,12 +33,18 @@ class HomeworkCommonController < ApplicationController
 
     @homeworks = paginateHelper @homework_commons,10
     #设置at已读
-    @homeworks.each do |homework|
-      # homework.journals_for_messages.each do |j|
-      #   User.current.at_messages.unviewed('JournalsForMessage', j.id).each {|x| x.viewed!}
-      # end
-      homework.delay.set_jour_viewed
+    ids =  @homeworks.inject([]) do |ids, homework|
+      jids = homework.journals_for_messages.map(&:id)
+      jids ? ids + jids : ids
+
+      # homework.delay.set_jour_viewed
     end
+    unless ids.empty?
+      User.current.at_messages.where(viewed: false,
+                                   at_message_type: 'JournalsForMessage',
+                                   at_message_id: ids).update_all(viewed: true)
+    end
+
     @left_nav_type = 3
     respond_to do |format|
       format.js
diff --git a/app/models/message.rb b/app/models/message.rb
index 309291183..5366724eb 100644
--- a/app/models/message.rb
+++ b/app/models/message.rb
@@ -328,17 +328,28 @@ class Message < ActiveRecord::Base
   def delay_message_send
     if self.course
       if self.parent_id.nil?   # 发帖
-        self.delay.contain_messages_message
+        dm = []
+        self.course.members.includes(:user).each do |m|
+          if self.author.allowed_to?(:as_teacher, self.course) &&  m.user_id != self.author_id   # 老师 自己的帖子不给自己发送消息
+            dm << {course_message_type:'Message',course_message_id:self.id, :user_id => m.user_id,
+                   :course_id => self.board.course_id, :viewed => false}
+            if dm.size >= 30
+              self.delay.contain_messages_message(dm)
+              dm.clear
+            end
+          end
+        end
+
+        unless dm.empty?
+          self.delay.contain_messages_message(dm)
+        end
+
       end
     end
   end
 
-  def contain_messages_message
-    self.course.members.includes(:user).each do |m|
-      if self.author.allowed_to?(:as_teacher, self.course) &&  m.user_id != self.author_id   # 老师 自己的帖子不给自己发送消息
-        self.course_messages << CourseMessage.new(:user_id => m.user_id, :course_id => self.board.course_id, :viewed => false)
-      end
-    end
+  def contain_messages_message vs
+    CourseMessage.create(vs)
   end
 
   #更新用户分数     -by zjc
diff --git a/app/models/news.rb b/app/models/news.rb
index f39352c94..c436724fd 100644
--- a/app/models/news.rb
+++ b/app/models/news.rb
@@ -208,16 +208,29 @@ class News < ActiveRecord::Base
 
   def delay_news_send
     if self.course
-      self.delay.contain_news_message
+
+      vs = []
+      self.course.members.each do | m|
+        if m.user_id != self.author_id
+          vs << {course_message_type:'News',course_message_id:self.id, :user_id => m.user_id,
+                 :course_id => self.course_id, :viewed => false}
+
+          if vs.size >= 30
+            self.delay.contain_news_message(vs)
+            vs.clear
+          end
+        end
+      end
+
+      unless vs.empty?
+        self.delay.contain_news_message(vs)
+      end
+
     end
   end
 
-  def contain_news_message
-    self.course.members.each do |m|
-      if m.user_id != self.author_id
-        self.course_messages << CourseMessage.new(:user_id => m.user_id, :course_id => self.course_id, :viewed => false)
-      end
-    end
+  def contain_news_message(vs)
+    CourseMessage.create(vs)
   end
 
   # Time 2015-03-31 13:50:54
diff --git a/app/views/layouts/new_base_user.html.erb b/app/views/layouts/new_base_user.html.erb
index 1e31674f4..24cad0bf8 100644
--- a/app/views/layouts/new_base_user.html.erb
+++ b/app/views/layouts/new_base_user.html.erb
@@ -167,7 +167,7 @@
                 <ul>
                   <li class="home-user-leftnav-li icons-class clear">
                     <%= link_to user_course_count > 0 ? "课程<span class='issues_nav_tag mr10 fr' style='line-height:18px;margin-top: 9px;'>#{user_course_count}</span>".html_safe : "课程",
-                                {:controller => "users", :action => "user_courselist", :id => @user}, :id => "user_course_list", :target => "_blank" %>
+                             user_course_community_path(User.current), :id => "user_course_list", :target => "_blank" %>
                     <!--      <div class="user_navmore_box" >
               <ul>
                 <li class="user_navmore_icons">
@@ -208,7 +208,7 @@
             <ul>
               <li class="home-user-leftnav-li icons-project clear">
                 <%= link_to  user_project_count > 0 ? "项目<span class='issues_nav_tag mr10 fr' style='line-height:18px;margin-top: 9px;'>#{user_project_count}</span>".html_safe : "项目",
-                             {:controller => "users", :action => "user_projectlist", :id => @user}, :id => 'user_project_list', :target => "_blank" %>
+                           user_project_community_path(User.current), :id => 'user_project_list', :target => "_blank" %>
                 <!--    <div class="user_navmore_box" >
               <ul>
                 <li class="user_navmore_icons">
@@ -246,11 +246,11 @@
             <ul>
               <li class="home-user-leftnav-li icons-class clear">
                 <%= link_to user_course_count > 0 ? "课程<span class='issues_nav_tag ml140'>#{user_course_count}</span>".html_safe : "课程",
-                            {:controller => "users", :action => "user_courselist", :id => @user}, :id => "user_course_list", :class => "fl", :target => "_blank" %>
+                          user_course_community_path(@user), :id => "user_course_list", :class => "fl", :target => "_blank" %>
               </li>
               <li class="home-user-leftnav-li icons-project clear">
                 <%= link_to  user_project_count > 0 ? "项目<span class='issues_nav_tag ml140'>#{user_project_count}</span>".html_safe : "项目",
-                             {:controller => "users", :action => "user_projectlist", :id => @user}, :id => 'user_project_list', :class => "fl", :target => "_blank" %>
+                           user_project_community_path(@user), :id => 'user_project_list', :class => "fl", :target => "_blank" %>
               </li>
             </ul>
           </div>
diff --git a/app/views/student_work/deal_appeal_score.js.erb b/app/views/student_work/deal_appeal_score.js.erb
index 144119400..167109e27 100644
--- a/app/views/student_work/deal_appeal_score.js.erb
+++ b/app/views/student_work/deal_appeal_score.js.erb
@@ -1,5 +1,6 @@
 hideModal();
 <% if params[:status].to_i == 3 %>
+    var num = $("#work_num_<%= @work.id%>").html();
     <% score_open = @is_teacher || @homework.score_open == 1 || @work.user == User.current %>
     <% if @is_teacher %>
         <% if @homework.homework_type == 3 %>
diff --git a/app/views/users/_my_issue_list.html.erb b/app/views/users/_my_issue_list.html.erb
index 29e4c9264..d9729b5b9 100644
--- a/app/views/users/_my_issue_list.html.erb
+++ b/app/views/users/_my_issue_list.html.erb
@@ -50,7 +50,7 @@
         </li>
         <li class="c_grey">
           <% if !activity.assigned_to_id.nil? && activity.assigned_to_id != 0 %>
-              <% if activity.try(:assigned_to).try(:realname).empty? %>
+              <% if activity.try(:assigned_to).try(:realname).blank? %>
                   <%= link_to activity.assigned_to, user_path(activity.assigned_to_id)%>
               <% else %>
                   <%= link_to activity.try(:assigned_to).try(:realname), user_path(activity.assigned_to_id)%>
diff --git a/app/views/users/_user_message_forge.html.erb b/app/views/users/_user_message_forge.html.erb
index 937083b59..4017c063a 100644
--- a/app/views/users/_user_message_forge.html.erb
+++ b/app/views/users/_user_message_forge.html.erb
@@ -213,7 +213,7 @@
         </ul>
     <% end %>
 
-    <% if ma.forge_message_type == "PullRequest" %>
+    <% if ma.forge_message_type == "PullRequest" && PullRequest.where(:pull_request_id => ma.forge_message_id).count != 0 %>
         <ul class="homepageNewsList fl">
           <div class="longMessageWidth">
             <li class="homepageNewsPortrait fl">