diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 859f19f19..d7cf29387 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -800,11 +800,13 @@ class UsersController < ApplicationController
           @user_activities = UserActivity.where("container_type = 'Project' and container_id in #{user_project_ids} and act_type = 'Issue'").order('created_at desc').limit(10).offset(@page * 10)
         when "project_message"
           @user_activities = UserActivity.where("container_type = 'Project' and container_id in #{user_project_ids} and act_type = 'Message'").order('created_at desc').limit(10).offset(@page * 10)
+        when "current_user"
+          @user_activities = UserActivity.where("user_id = #{User.current.id} and ((container_type = 'Project' and container_id in #{user_project_ids} and act_type in #{project_types}) or (container_type = 'Course' and container_id in #{user_course_ids} and act_type in #{course_types}))").order('created_at desc').limit(10).offset(@page * 10)
         else
-          @user_activities = UserActivity.where("(container_type = 'Project' and container_id in #{user_project_ids} and act_type in #{project_types}) or (container_type = 'Course' and container_id in #{user_course_ids}) and act_type in #{course_types}").order('created_at desc').limit(10).offset(@page * 10)
+          @user_activities = UserActivity.where("(container_type = 'Project' and container_id in #{user_project_ids} and act_type in #{project_types}) or (container_type = 'Course' and container_id in #{user_course_ids} and act_type in #{course_types})").order('created_at desc').limit(10).offset(@page * 10)
       end
     else
-      @user_activities = UserActivity.where("(container_type = 'Project' and container_id in #{user_project_ids} and act_type in #{project_types}) or (container_type = 'Course' and container_id in #{user_course_ids}) and act_type in #{course_types}").order('created_at desc').limit(10).offset(@page * 10)
+      @user_activities = UserActivity.where("(container_type = 'Project' and container_id in #{user_project_ids} and act_type in #{project_types}) or (container_type = 'Course' and container_id in #{user_course_ids} and act_type in #{course_types})").order('created_at desc').limit(10).offset(@page * 10)
     end
     # @user_activities = paginateHelper @user_activities,500
     @type = params[:type]
diff --git a/app/models/course_activity.rb b/app/models/course_activity.rb
index 284687870..103796a72 100644
--- a/app/models/course_activity.rb
+++ b/app/models/course_activity.rb
@@ -19,6 +19,7 @@ class CourseActivity < ActiveRecord::Base
       user_activity.act_type = self.course_act_type
       user_activity.container_type = "Course"
       user_activity.container_id = self.course_id
+      user_activity.user_id = self.user_id
       user_activity.save
     end
   end
diff --git a/app/views/users/show.html.erb b/app/views/users/show.html.erb
index 92f3f4a1a..13f2518e1 100644
--- a/app/views/users/show.html.erb
+++ b/app/views/users/show.html.erb
@@ -29,6 +29,7 @@
           <li>
             <ul class="homepagePostTypeProject fl">
               <li class="f14">更多</li>
+              <li class="mt-4"><%= link_to "我的动态", {:controller => "users", :action => "show", :type => "current_user"}, :class =>"homepagePostTypeAll postTypeGrey"%>
               <li class="mt-4"><%= link_to "全部动态", {:controller => "users", :action => "show", :type => nil}, :class =>"homepagePostTypeAll postTypeGrey"%>
             </ul>
           </li>
diff --git a/db/migrate/20150907064144_add_user_id_to_user_activities.rb b/db/migrate/20150907064144_add_user_id_to_user_activities.rb
new file mode 100644
index 000000000..a038f4dab
--- /dev/null
+++ b/db/migrate/20150907064144_add_user_id_to_user_activities.rb
@@ -0,0 +1,5 @@
+class AddUserIdToUserActivities < ActiveRecord::Migration
+  def change
+    add_column :user_activities, :user_id, :int
+  end
+end
diff --git a/db/migrate/20150907064547_update_user_activities.rb b/db/migrate/20150907064547_update_user_activities.rb
new file mode 100644
index 000000000..b4c56c009
--- /dev/null
+++ b/db/migrate/20150907064547_update_user_activities.rb
@@ -0,0 +1,40 @@
+class UpdateUserActivities < ActiveRecord::Migration
+  def up
+    count = UserActivity.all.count / 30 + 2
+    transaction do
+      for i in 1 ... count do i
+      UserActivity.page(i).per(30).each do |activity|
+        if activity.container_type.to_s == 'Project'
+          forge_activity = ForgeActivity.where("forge_act_type = '#{activity.act_type.to_s}' and forge_act_id = #{activity.act_id}").first
+          if forge_activity
+            activity.user_id = forge_activity.user_id
+          else
+            activity.user_id = 0
+          end
+
+        elsif activity.container_type.to_s == 'Course'
+          course_activity = CourseActivity.where("course_act_type = '#{activity.act_type.to_s}' and course_act_id = #{activity.act_id}").first
+          if course_activity
+            activity.user_id = course_activity.user_id
+          else
+            activity.user_id = 0
+          end
+        end
+        activity.save
+      end
+      end
+    end
+  end
+
+  def down
+    count = UserActivity.all.count / 30 + 2
+    transaction do
+      for i in 1 ... count do i
+      UserActivity.page(i).per(30).each do |activity|
+        activity.user_id = nil
+        activity.save
+      end
+      end
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 3b5b88ee7..db0b57ae8 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20150906091045) do
+ActiveRecord::Schema.define(:version => 20150907064547) do
 
   create_table "activities", :force => true do |t|
     t.integer  "act_id",                                  :null => false