diff --git a/app/assets/javascripts/angularjs.js.coffee b/app/assets/javascripts/angularjs.js.coffee
index 24d09f6..bbf50dd 100644
--- a/app/assets/javascripts/angularjs.js.coffee
+++ b/app/assets/javascripts/angularjs.js.coffee
@@ -1,9 +1,10 @@
 #= require angular
+#= require angular-cookies
 #= require angular-resource
 #= require_self
 #= require_tree ./angularjs
 
-@app = angular.module('app', [])
+@app = angular.module('app', ['ngCookies'])
 
 @app.config(["$httpProvider", (provider) ->
     provider.defaults.headers.common['X-CSRF-Token'] = $('meta[name=csrf-token]').attr('content')
diff --git a/app/assets/javascripts/angularjs/comments.js.coffee b/app/assets/javascripts/angularjs/comments.js.coffee
index 776cbab..7992838 100644
--- a/app/assets/javascripts/angularjs/comments.js.coffee
+++ b/app/assets/javascripts/angularjs/comments.js.coffee
@@ -1,4 +1,4 @@
-@app.controller 'CommentsController', ($scope, $http, $location, $timeout)->
+@app.controller 'CommentsController', ($scope, $http, $location)->
   url = $location.absUrl() + "/comments"
 
   $http.get(url).success (data)->
diff --git a/app/assets/javascripts/angularjs/likes.js.coffee b/app/assets/javascripts/angularjs/likes.js.coffee
new file mode 100644
index 0000000..e62de7c
--- /dev/null
+++ b/app/assets/javascripts/angularjs/likes.js.coffee
@@ -0,0 +1,27 @@
+@app.controller 'LikesController', ($scope, $http, $location, $cookies)->
+  url = $location.absUrl() + "/likes"
+
+  $scope.count = 0
+
+  $scope.get_count = ->
+    $http.get url
+    .success (res)->
+      $scope.count = res.count
+
+  $scope.get_count()
+  
+  $scope.like = $cookies.like
+
+  $scope.submit = ->
+    $http.post url
+    .success (res)->
+      if res.success
+        $scope.count += 1
+        $scope.like = $cookies.like = res.id
+
+  $scope.cancel = ->
+    $http.delete url + "/" + $scope.like
+    # anyway, clear cookie
+    delete $cookies["like"]
+    $scope.like = null
+    $scope.get_count()
diff --git a/app/assets/stylesheets/foundation_and_overrides.scss b/app/assets/stylesheets/foundation_and_overrides.scss
index 415338b..783ee85 100644
--- a/app/assets/stylesheets/foundation_and_overrides.scss
+++ b/app/assets/stylesheets/foundation_and_overrides.scss
@@ -1191,15 +1191,15 @@
 @import 'foundation';
 @import 'foundation-icons';
 
-#like-button {
-  color:  #eaa296;
-  background-color: transparent;
-  border: 1px solid #e79385;
+.like-button {
+  color:  #eaa296 !important;
+  background-color: transparent !important;
+  border: 1px solid #e79385 !important;
   border-radius: 10rem;
   &:hover {
-    background-color: #FCFF9E;
+    background-color: #FCFF9E !important;
   }
   &:focus {
-    outline-style: none;
+    outline-style: none !important;
   }
 }
diff --git a/app/assets/stylesheets/like_and_weixin.css.scss b/app/assets/stylesheets/like_and_weixin.css.scss
index e69de29..96270fc 100644
--- a/app/assets/stylesheets/like_and_weixin.css.scss
+++ b/app/assets/stylesheets/like_and_weixin.css.scss
@@ -0,0 +1,5 @@
+.like-button {
+  span {
+    margin-left: 0.23rem;
+  }
+}
diff --git a/app/controllers/likes_controller.rb b/app/controllers/likes_controller.rb
new file mode 100644
index 0000000..c44d80a
--- /dev/null
+++ b/app/controllers/likes_controller.rb
@@ -0,0 +1,29 @@
+class LikesController < ApplicationController
+  layout false
+
+  def index
+    post = Post.find( params[:blog_id] )
+    render :json=> { success: true, count: post.likes.size }
+  end
+
+  def create
+    post = Post.find( params[:blog_id] )
+    like = Like.new
+    like.post = post
+    if like.save
+      render :json=> { success: true, id: like.id.to_s }
+    else
+      render :json=> { success: false }
+    end
+  end
+
+  def destroy
+    post = Post.find( params[:blog_id] )
+    like = post.likes.find(params[:id])
+    if like.destroy
+      render :json=> { success: true }
+    else
+      render :json=> { success: false }
+    end
+  end
+end
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index de6be79..ae4c32a 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -1,2 +1,5 @@
 module ApplicationHelper
+  def format_date(time)
+    time.strftime("%Y-%m-%d")
+  end
 end
diff --git a/app/models/like.rb b/app/models/like.rb
new file mode 100644
index 0000000..70150fb
--- /dev/null
+++ b/app/models/like.rb
@@ -0,0 +1,6 @@
+class Like
+  include Mongoid::Document
+
+  belongs_to :post
+  validates_presence_of :post_id
+end
diff --git a/app/models/post.rb b/app/models/post.rb
index 7d7af65..dccbc22 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -15,6 +15,8 @@ class Post
 
   has_many :comments
   has_and_belongs_to_many :labels
+  
+  has_many :likes
 
   validates :title, :presence=>true, :uniqueness=> true
   validates :content, :presence=>true, :length => { :minimum=> 30 }
diff --git a/app/views/blogs/_comment.html.slim b/app/views/blogs/_comment.html.slim
index c4e0159..b94b183 100644
--- a/app/views/blogs/_comment.html.slim
+++ b/app/views/blogs/_comment.html.slim
@@ -1,4 +1,4 @@
-.row ng-app="app" ng-controller="CommentsController"
+.row ng-controller="CommentsController"
   .small-12.large-8.columns
     form novalidate='' name='form'
       .row
diff --git a/app/views/blogs/_post.html.slim b/app/views/blogs/_post.html.slim
index cd7b424..4031471 100644
--- a/app/views/blogs/_post.html.slim
+++ b/app/views/blogs/_post.html.slim
@@ -1,9 +1,9 @@
-h2.blog-title hello
+h2.blog-title #{post.title}
 p.ptag
-  | 分类: 
+  i.fi-list
   span 技术
 p.ptag
-  | 标签:
+  i.fi-pricetag-multiple
   span 生活, 感悟
 
 .content.markdown
@@ -11,6 +11,11 @@ p.ptag
 
 p.ptag
   | 发表于:
-  span 2014-2-14
-p
-  button#like-button Like
+  span #{format_date(post.created_at)}
+p ng-controller="LikesController"
+  button.like-button ng-show="! like " ng-click="submit()"
+    |{{ count }}
+    span Like
+  button.like-button ng-show=" like " ng-click="cancel()" 
+    |{{ count }}
+    span Liked
diff --git a/app/views/layouts/application.html.slim b/app/views/layouts/application.html.slim
index c4b2178..f850a9d 100644
--- a/app/views/layouts/application.html.slim
+++ b/app/views/layouts/application.html.slim
@@ -51,7 +51,7 @@ html
               = link_to about_path do
                 i.fi-torso
                 | 关于我
-        section.main-section 
+        section.main-section ng-app="app"
           = yield
           = render "layouts/footer"
         a.exit-off-canvas
diff --git a/config/routes.rb b/config/routes.rb
index c213f76..5772c96 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1,10 +1,12 @@
 WBlog::Application.routes.draw do
   root :to => 'blogs#index'
+
   resources :blogs, :only=>[:index, :show] do
     collection do
       get :rss
     end
     resources :comments, only: [:index, :create]
+    resources :likes, only: [:index, :create, :destroy]
   end
 
 
diff --git a/spec/controllers/likes_controller_spec.rb b/spec/controllers/likes_controller_spec.rb
new file mode 100644
index 0000000..b1e01aa
--- /dev/null
+++ b/spec/controllers/likes_controller_spec.rb
@@ -0,0 +1,29 @@
+require 'spec_helper'
+
+describe LikesController do
+
+  it "get index" do
+    a = Post.create!(title: 'one', content: '1'*31, type: Post::TECH )
+    get 'index', blog_id: a.id
+    JSON.parse(response.body)['count'].should == 0
+    a.likes << Like.new
+    a.save!
+    get 'index', blog_id: a.id
+    JSON.parse(response.body)['count'].should == 1
+  end
+
+  it "post create" do
+    a = Post.create!(title: 'one', content: '1'*31, type: Post::TECH )
+    post 'create', blog_id: a.id
+    a.likes.size.should == 1
+  end
+
+  it "DELETE destroy" do
+    a = Post.create!(title: 'one', content: '1'*31, type: Post::TECH )
+    like = Like.new
+    a.likes << like
+    a.save!
+    delete 'destroy', blog_id: a.id, id: like.id
+    a.reload.likes.size.should == 0
+  end
+end
diff --git a/spec/models/like_spec.rb b/spec/models/like_spec.rb
new file mode 100644
index 0000000..ae062eb
--- /dev/null
+++ b/spec/models/like_spec.rb
@@ -0,0 +1,10 @@
+require 'spec_helper'
+
+describe Like do
+  it "add like" do
+    a = Post.create!(title: 'one', content: '1'*31, type: Post::TECH )
+    like = Like.new
+    like.post = a
+    expect(like.save).to eq(true)
+  end
+end