diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index cb2821a4b..d6597f3da 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -142,7 +142,7 @@ class UsersController < ApplicationController
     @obj_count = query.count();
 
     @obj_pages = Paginator.new @obj_count,limit,params['page']
-    @list = query.order("#{Project.table_name}.id desc").limit(limit).offset(@obj_pages.offset).all();
+    @list = query.order("#{Project.table_name}.updated_on desc,#{Project.table_name}.id desc").limit(limit).offset(@obj_pages.offset).all();
     @params = params
 
     respond_to do |format|
@@ -281,7 +281,7 @@ class UsersController < ApplicationController
     @obj_count = query.count();
 
     @obj_pages = Paginator.new @obj_count,limit,params['page']
-    @list = query.order("#{Course.table_name}.id desc").limit(limit).offset(@obj_pages.offset).all();
+    @list = query.order("#{Course.table_name}.updated_at desc,#{Course.table_name}.id desc").limit(limit).offset(@obj_pages.offset).all();
     @params = params
     render :layout=>'base_users_new'
 
@@ -460,14 +460,13 @@ class UsersController < ApplicationController
     end
 
     if params[:lastid]!=nil && !params[:lastid].empty?
-      query = query.where("#{Course.table_name}.id < ?",params[:lastid])
+      query = query.where("( (#{Course.table_name}.updated_at=? and #{Course.table_name}.id < ?) or #{Course.table_name}.updated_at<?)",params[:lasttime],params[:lastid],params[:lasttime])
     end
-    @list = query.order("#{Course.table_name}.id desc").limit(8).all
+    @list = query.order("#{Course.table_name}.updated_at desc,#{Course.table_name}.id desc").limit(8).all
 
     render :layout=>nil
   end
   def user_projects4show
-
     query = Project.joins("join members m on #{Project.table_name}.id=m.project_id")
     query = query.where("m.user_id = ? and #{Project.table_name}.project_type=?",@user.id,Project::ProjectType_project)
     if User.current == @user  #看自己
@@ -477,9 +476,9 @@ class UsersController < ApplicationController
     end
 
     if params[:lastid]!=nil && !params[:lastid].empty?
-      query = query.where("#{Project.table_name}.id < ?",params[:lastid])
+      query = query.where("( (#{Project.table_name}.updated_on=? and #{Project.table_name}.id < ?) or #{Project.table_name}.updated_on<?)",params[:lasttime],params[:lastid],params[:lasttime])
     end
-    @list = query.order("#{Project.table_name}.id desc").limit(8).all
+    @list = query.order("#{Project.table_name}.updated_on desc,#{Project.table_name}.id desc").limit(8).all
 
     render :layout=>nil
   end
diff --git a/app/views/users/show.html.erb b/app/views/users/show.html.erb
index 003555158..ab3bf9f73 100644
--- a/app/views/users/show.html.erb
+++ b/app/views/users/show.html.erb
@@ -273,6 +273,10 @@
       if($("div[nhname='rec']",p.container).length > 0){
         var lastid = $("div[nhname='rec']",p.container).filter(':last').data('id');
         url += "?lastid="+lastid;
+        var lasttime = $("div[nhname='rec']",p.container).filter(':last').data('time');
+        if(lasttime != undefined){
+          url += "&lasttime="+lasttime;
+        }
       }
       $.ajax( {url:url,dataType:'text',success:function(data){
         var html = $("<div>"+data+"</div>");
diff --git a/app/views/users/user_courses4show.html.erb b/app/views/users/user_courses4show.html.erb
index d83ba8a8b..7aab1b2a5 100644
--- a/app/views/users/user_courses4show.html.erb
+++ b/app/views/users/user_courses4show.html.erb
@@ -1,6 +1,6 @@
 <% for item in @list %>
 
-<div class="home_courses_list fl" nhname="rec" data-id="<%= item.id %>">
+<div class="home_courses_list fl" nhname="rec" data-id="<%= item.id %>" data-time="<%= item.updated_at %>">
   <div class="courses_list_pic fl ml10 mr10">
     <a href="<%= url_for(:controller => 'courses', :action=>"show", :id=>item.id, :host=>Setting.host_course) %>"><%= image_tag(url_to_avatar(item), :style => 'width:64px;height:64px;') %></a>
   </div>
diff --git a/app/views/users/user_projects4show.html.erb b/app/views/users/user_projects4show.html.erb
index 7435a1d14..3c709bd5d 100644
--- a/app/views/users/user_projects4show.html.erb
+++ b/app/views/users/user_projects4show.html.erb
@@ -1,5 +1,5 @@
 <% for item in @list %>
-<div class="home_courses_list fl" nhname="rec" data-id="<%= item.id %>">
+<div class="home_courses_list fl" nhname="rec" data-id="<%= item.id %>" data-time="<%= item.updated_on %>">
   <div class="courses_list_pic fl ml10 mr10">
     <a href="<%= url_for(:controller => 'projects', :action=>"show", :id=>item.id, :host=>Setting.host_name) %>"><%= image_tag(url_to_avatar(item), :style => 'width:64px;height:64px;') %></a>
   </div>