diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 79c498dbf..e22b02792 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -483,8 +483,96 @@ class UsersController < ApplicationController
     render :layout=>nil
   end
 
+  # def user_course_activities
+  #   @list = []
+  #   lastid = nil
+  #   if params[:lastid]!=nil && !params[:lastid].empty?
+  #     lastid = params[:lastid];
+  #   end
+  #
+  #   user_ids = []
+  #   if @user == User.current
+  #     watcher = User.watched_by(@user)
+  #     watcher.push(User.current)
+  #     user_ids = watcher.map{|x| x.id}
+  #   else
+  #     user_ids << @user.id
+  #   end
+  #
+  #   query_rec_count = 8
+  #   query_times = 10 #query_times次没查到query_rec_count条记录就不查了
+  #   query_i = 0;
+  #   while( true )
+  #     query_i = query_i+1
+  #     if(query_i>query_times)
+  #       break
+  #     end
+  #     query = Activity.where(user_id: user_ids)
+  #     if(lastid != nil)
+  #       query = query.where("id < ?",lastid)
+  #     end
+  #     lastid,item_list = query_activities(query,'course');
+  #     for item in item_list
+  #       @list << item
+  #       if @list.count() >= query_rec_count
+  #         break
+  #       end
+  #     end
+  #     if @list.count() >= query_rec_count
+  #       break
+  #     end
+  #     if lastid == nil
+  #       break
+  #     end
+  #   end
+  #   render :layout=>nil
+  # end
+  #
+  # def user_project_activities
+  #   @list = []
+  #   lastid = nil
+  #   if params[:lastid]!=nil && !params[:lastid].empty?
+  #     lastid = params[:lastid];
+  #   end
+  #
+  #   user_ids = []
+  #   if @user == User.current
+  #     watcher = User.watched_by(@user)
+  #     watcher.push(User.current)
+  #     user_ids = watcher.map{|x| x.id}
+  #   else
+  #     user_ids << @user.id
+  #   end
+  #
+  #   query_rec_count = 8
+  #   query_times = 10 #query_times次没查到query_rec_count条记录就不查了
+  #   query_i = 0;
+  #   while( true )
+  #     query_i = query_i+1
+  #     if(query_i>query_times)
+  #       break
+  #     end
+  #     query = Activity.where(user_id: user_ids)
+  #     if(lastid != nil)
+  #       query = query.where("id < ?",lastid)
+  #     end
+  #     lastid,item_list = query_activities(query,'project');
+  #     for item in item_list
+  #       @list << item
+  #       if @list.count() >= query_rec_count
+  #         break
+  #       end
+  #     end
+  #     if @list.count() >= query_rec_count
+  #       break
+  #     end
+  #     if lastid == nil
+  #       break
+  #     end
+  #   end
+  #   render :action=>'user_course_activities',:layout=>nil
+  # end
   def user_course_activities
-    @list = []
     lastid = nil
     if params[:lastid]!=nil && !params[:lastid].empty?
       lastid = params[:lastid];
@@ -499,37 +587,16 @@ class UsersController < ApplicationController
       user_ids << @user.id
     end
 
-    query_rec_count = 8
-    query_times = 10 #query_times次没查到query_rec_count条记录就不查了
-    query_i = 0;
-    while( true )
-      query_i = query_i+1
-      if(query_i>query_times)
-        break
-      end
-      query = Activity.where(user_id: user_ids)
-      if(lastid != nil)
-        query = query.where("id < ?",lastid)
-      end
-      lastid,item_list = query_activities(query,'course');
-      for item in item_list
-        @list << item
-        if @list.count() >= query_rec_count
-          break
-        end
-      end
-      if @list.count() >= query_rec_count
-        break
-      end
-      if lastid == nil
-        break
-      end
+    query = Activity.where(user_id: user_ids)
+    if(lastid != nil)
+      query = query.where("id < ?",lastid)
     end
+    @list = query_activities(query,'Course');
+
     render :layout=>nil
   end
 
   def user_project_activities
-    @list = []
     lastid = nil
     if params[:lastid]!=nil && !params[:lastid].empty?
       lastid = params[:lastid];
@@ -544,32 +611,12 @@ class UsersController < ApplicationController
       user_ids << @user.id
     end
 
-    query_rec_count = 8
-    query_times = 10 #query_times次没查到query_rec_count条记录就不查了
-    query_i = 0;
-    while( true )
-      query_i = query_i+1
-      if(query_i>query_times)
-        break
-      end
-      query = Activity.where(user_id: user_ids)
-      if(lastid != nil)
-        query = query.where("id < ?",lastid)
-      end
-      lastid,item_list = query_activities(query,'project');
-      for item in item_list
-        @list << item
-        if @list.count() >= query_rec_count
-          break
-        end
-      end
-      if @list.count() >= query_rec_count
-        break
-      end
-      if lastid == nil
-        break
-      end
+    query = Activity.where(user_id: user_ids)
+    if(lastid != nil)
+      query = query.where("id < ?",lastid)
     end
+    @list = query_activities(query,'Project');
+
     render :action=>'user_course_activities',:layout=>nil
   end
 
diff --git a/app/helpers/activities_helper.rb b/app/helpers/activities_helper.rb
index ede2ed78a..54f030e40 100644
--- a/app/helpers/activities_helper.rb
+++ b/app/helpers/activities_helper.rb
@@ -42,4 +42,30 @@ module ActivitiesHelper
     end
     sorted_events
   end
+
+  def get_container_type(activity)
+    #问卷
+    if activity.act_type == 'Poll'
+      return 'Course'
+    end
+    #注册
+    if activity.act_type == 'Principal'
+      return 'Principal'
+    end
+    #留言
+    if activity.act_type == 'JournalsForMessage'
+      return activity.act.jour.class.to_s
+    end
+
+    # HomeworkCommon Issue Journal Message News
+    if activity.act.respond_to?('course') && activity.act.course
+        return 'Course'
+    end
+    if activity.act.respond_to?('project') && activity.act.project
+      return 'Project'
+    end
+
+    # Contest Contestnotification
+    return 'Unknow'
+  end
 end
diff --git a/app/helpers/users_helper.rb b/app/helpers/users_helper.rb
index 2a1852807..4318abcf8 100644
--- a/app/helpers/users_helper.rb
+++ b/app/helpers/users_helper.rb
@@ -360,60 +360,77 @@ module UsersHelper
   end
 
 
+  # def query_activities(query,type)
+  #   query_rec_count = 8
+  #   # query = query.where("act_type='JournalsForMessage'")
+  #   #query = query.where("act_type not in (?)", ['JournalsForMessage','Message','HomeworkCommon','News','Issue','Journal','Poll'])
+  #   list = query.order("id desc").limit(query_rec_count).all
+  #
+  #   result = [];
+  #   for item in list
+  #     container = get_activity_container(item,type)
+  #     if( activity_is_show(item,container) )
+  #       result << { :item=>item,:e=>container }
+  #     end
+  #   end
+  #   return [lastid,result]
+  # end
+  # def get_activity_container activity,type
+  #   e = nil;
+  #   if type == 'Project'
+  #     if activity.act_type == 'Poll'
+  #       # 项目没有问卷
+  #       # e = Project.find_by_id(activity.act.polls_group_id)
+  #     else
+  #       e = activity.act.project if activity.act.respond_to?('project')
+  #     end
+  #   end
+  #   if type == 'Course'
+  #     if activity.act_type == 'Poll'
+  #       e = Course.find_by_id(activity.act.polls_group_id)
+  #     else
+  #       e = activity.act.course if activity.act.respond_to?('course')
+  #     end
+  #   end
+  #
+  #   return e;
+  # end
   def query_activities(query,type)
-    query_rec_count = 50
-    query = query.where("act_type not in ('Contest','Contestnotifications','Principal')")
-    # query = query.where("act_type='JournalsForMessage'")
-    #query = query.where("act_type not in (?)", ['JournalsForMessage','Message','HomeworkCommon','News','Issue','Journal','Poll'])
-    list = query.order("id desc").limit(query_rec_count).all
-    if( list == nil || list.count() < query_rec_count )
-      lastid = nil
-    else
-      lastid = list.last.id
-    end
-
+    query = query.where("activity_container_type = ?",type)
+    list = query.order("id desc").limit(8).all
     result = [];
     for item in list
       container = get_activity_container(item,type)
-      if( activity_is_show(item,container) )
-        result << { :item=>item,:e=>container }
-      end
+      result << { :item=>item,:e=>container }
     end
-    return [lastid,result]
+    return result
   end
   def get_activity_container activity,type
-    e = nil;
-    if type == 'project'
-      if activity.act_type == 'Poll'
-        # 项目没有问卷
-        # e = Project.find_by_id(activity.act.polls_group_id)
-      else
-        e = activity.act.project if activity.act.respond_to?('project')
-      end
+    if type == 'Project'
+      return activity.act.project if activity.act.respond_to?('project')
     end
-    if type == 'course'
+    if type == 'Course'
       if activity.act_type == 'Poll'
-        e = Course.find_by_id(activity.act.polls_group_id)
-      else
-        e = activity.act.course if activity.act.respond_to?('course')
+        return Course.find_by_id(activity.act.polls_group_id)
       end
+      return activity.act.course if activity.act.respond_to?('course')
     end
-
-    return e;
+    return nil;
   end
-  def activity_is_show(activity,e)
-    if(!e)
-      return false
-    end
 
-    if activity.user_id == User.current.id
-      return true
-    end
-    if( e.visible? )
-      return true
-    end
-    return false
-  end
+  # def activity_is_show(activity,e)
+  #   if(!e)
+  #     return false
+  #   end
+  #
+  #   if activity.user_id == User.current.id
+  #     return true
+  #   end
+  #   if( e.visible? )
+  #     return true
+  #   end
+  #   return false
+  # end
   def get_activity_act_showname(activity)
     case activity.act_type
       when "HomeworkCommon"
@@ -450,7 +467,21 @@ module UsersHelper
         return activity.act.created_on
     end
   end
+  def get_activity_container_url e
+    if !e.visible?
+      return "javascript:;"
+    end
+
+    if e.class.to_s == 'Course'
+      return url_for(:controller => 'courses', :action=>"show", :id=>e.id, :host=>Setting.host_course)
+    end
+    return url_for(:controller => 'projects', :action=>"show", :id=>e.id, :host=>Setting.host_name)
+  end
   def get_activity_url(activity,e)
+    if !e.visible?
+      return "javascript:;"
+    end
+
     case activity.act_type
       # when "Contest"
       # when "Contestnotification"
diff --git a/app/models/activity.rb b/app/models/activity.rb
index 5ec778641..22aa533d2 100644
--- a/app/models/activity.rb
+++ b/app/models/activity.rb
@@ -7,4 +7,12 @@ class Activity < ActiveRecord::Base
   validates :user_id, presence: true
 
   include Trustie::Cache::ClearCourseEvent
+
+  before_create :set_container_type_val
+
+  #helper :activities
+  include ActivitiesHelper
+  def set_container_type_val
+    self.activity_container_type = get_container_type(self)
+  end
 end
diff --git a/app/views/users/user_course_activities.html.erb b/app/views/users/user_course_activities.html.erb
index 8a9996c41..98de0ea11 100644
--- a/app/views/users/user_course_activities.html.erb
+++ b/app/views/users/user_course_activities.html.erb
@@ -1,12 +1,17 @@
 <% for rec in @list %>
   <div class="users_courses_list" nhname="rec" data-id="<%= rec[:item].id %>">
-  <a href="<%= rec[:e].class.to_s == 'Course' ? course_path(rec[:e]) : project_path(rec[:e]) %>" class=" fl users_coursename ml5" title="<%= rec[:e].name %>"><%= rec[:e].name %></a>
+  <a href="<%= get_activity_container_url(rec[:e]) %>" class=" fl users_coursename ml5" title="<%= rec[:e].name %>">
+    <li style="max-width:140px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;" class="fl"><%= rec[:e].name %></li>
+    <% if( rec[:e].is_public == false || rec[:e].is_public == 0 ) %>
+      <span class="img_private">私有</span>
+    <% end %>
+  </a>
   <a href="<%= user_path(rec[:item].user.id) %>" class="c_orange course_name fl mr5" title="<%= rec[:item].user.show_name %>"><%= rec[:item].user.show_name %></a>
     <span class="fl mr5 c_grey"><%= get_activity_opt(rec[:item],rec[:e]) %></span>
     <a href="<%= get_activity_url(rec[:item],rec[:e]) %>"
        class="c_blue02 fl users_courses_txt hidepic" title="<%= get_activity_act_showname(rec[:item]) %>">
       <%= get_activity_act_showname(rec[:item]).html_safe %>
     </a>
-    <span class="fr c_grey mr10"><%= time_tag(get_activity_act_createtime(rec[:item])).html_safe %>前</span>
+    <span class="fr c_grey mr10"><%= time_tag(get_activity_act_createtime(rec[:item])).html_safe %></span>
   </div>
 <% end %>
\ No newline at end of file
diff --git a/app/views/users/user_feedback4show.html.erb b/app/views/users/user_feedback4show.html.erb
index 9b1c502c8..c37311d88 100644
--- a/app/views/users/user_feedback4show.html.erb
+++ b/app/views/users/user_feedback4show.html.erb
@@ -16,7 +16,7 @@
   <% if User.current.admin? || item.user.id == User.current.id %>
   <a href="<%= url_for(:controller => 'words', :action=>"destroy", :object_id=>item.id,:user_id=>item.user.id) %>" data-confirm="您确定要删除吗？" data-remote="true" data-method="delete" class="fl mt5 c_purple ml5">删除</a>
   <% end %>
-  <span class="massage_time fr"><%= time_tag(item.created_on).html_safe %>前</span>
+  <span class="massage_time fr"><%= time_tag(item.created_on).html_safe %></span>
   <div class="cl"></div>
   <div nhname='div_form' class="mt10 ml80" style="display:none;">
     <form action="<%= url_for(:controller => 'words', :action => 'create_reply') %>" data-remote="true" method="post">
diff --git a/db/migrate/20150714161200_add_activity_container_type_to_activities.rb b/db/migrate/20150714161200_add_activity_container_type_to_activities.rb
new file mode 100644
index 000000000..d3822da94
--- /dev/null
+++ b/db/migrate/20150714161200_add_activity_container_type_to_activities.rb
@@ -0,0 +1,9 @@
+class AddActivityContainerTypeToActivities < ActiveRecord::Migration
+  def up
+    add_column :activities, :activity_container_type, :string, default: ''
+  end
+
+  def down
+    remove_column :activities, :activity_container_type
+  end
+end
\ No newline at end of file
diff --git a/db/migrate/20150715161300_change_activities_container_type.rb b/db/migrate/20150715161300_change_activities_container_type.rb
new file mode 100644
index 000000000..025590117
--- /dev/null
+++ b/db/migrate/20150715161300_change_activities_container_type.rb
@@ -0,0 +1,13 @@
+class ChangeActivitiesContainerType < ActiveRecord::Migration
+  def up
+    activities = Activity.where("activity_container_type = ''")
+    activities.each do |activity|
+      activity.set_container_type_val
+      activity.save
+    end
+  end
+
+  def down
+    Activity.where("activity_container_type <> ''").update_all(activity_container_type: '')
+  end
+end
\ No newline at end of file
diff --git a/public/stylesheets/leftside_new.css b/public/stylesheets/leftside_new.css
index e4b36bc52..c2d4d043c 100644
--- a/public/stylesheets/leftside_new.css
+++ b/public/stylesheets/leftside_new.css
@@ -21,7 +21,8 @@ a:hover.pr_join_a{ background:#41a8c8;}
 .pr_info_score a{ color:#ff7143;}
 .pr_info_score a:hover{ color:#64bdd9;}
 
-.img_private{ background:url(../images/project/img_project.png) 0 0 no-repeat; width:33px; height:16px; color:#fff; font-size:12px; padding-left:7px;  }
+.img_private{ background:url(../images/new_project/img_project.png) 0 0 no-repeat; width:33px; height:16px; color:#fff; font-size:12px; padding-left:7px;  }
+/*.img_private{ background:url(../images/project/img_project.png) 0 0 no-repeat; width:33px; height:16px; color:#fff; font-size:12px; padding-left:7px;  }*/
 .info_foot_num{  color:#3ca5c6;  }
 .pr_info_foot{ color:#7f7f7f; margin-top:5px; }
 .info_foot_num:hover{  color:#2390b2;}