diff --git a/.gitignore b/.gitignore
index 01887c4..035c922 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,3 +19,6 @@
 /public/uploads/*
 
 *.lock
+
+# Ignore application configuration
+/config/application.yml
diff --git a/Gemfile b/Gemfile
index 043dda9..213b897 100644
--- a/Gemfile
+++ b/Gemfile
@@ -13,17 +13,18 @@ gem 'jquery-rails'
 gem 'foundation-rails', '~> 5.2.1'
 gem 'foundation-icons-sass-rails'
 
-gem "mongoid"
-gem "mongoid-pagination"
-gem "redcarpet"
-gem "rouge"
+gem 'mongoid'
+gem 'mongoid-pagination'
+gem 'redcarpet'
+gem 'rouge'
 gem 'slim-rails'
-gem "simple_form"
-gem "mini_magick"
+gem 'simple_form'
+gem 'mini_magick'
 gem 'carrierwave-mongoid'
 gem 'html_truncator'
 gem 'nokogiri'
 gem 'angularjs-rails'
+gem 'figaro'
 
 group :development do
   gem 'quiet_assets'
@@ -42,5 +43,6 @@ end
 group :test, :development do
   gem "rspec-rails", ">= 2.8.1"
   gem 'pry-rails'
+  gem 'pry-nav'
   gem 'factory_girl_rails'
 end
diff --git a/app/assets/javascripts/admin/posts.js.coffee b/app/assets/javascripts/admin/posts.js.coffee
index 1199dc7..d4162ca 100644
--- a/app/assets/javascripts/admin/posts.js.coffee
+++ b/app/assets/javascripts/admin/posts.js.coffee
@@ -4,27 +4,6 @@
 #
 
 $(document).ready ->
-  
-  preview = $('.preview')
-  content = $('#post_content')
-
-  $('#content').click ->
-    preview.hide()
-    content.show()
-    $(this).addClass('active')
-    $('#preview').removeClass('active')
-    false
-
-  $('#preview').click ->
-    content.hide()
-    $(this).addClass('active')
-    $('#content').removeClass('active')
-    preview.html('Loading...')
-    preview.show()
-    $.post $(this).attr('url'), text: content.val(), (data)->
-      preview.html(data)
-    false
-    
   $('a#upload_photo').click ->
     $('input[type=file]').show().focus().click().hide()
     false
diff --git a/app/assets/javascripts/angularjs.js.coffee b/app/assets/javascripts/angularjs.js.coffee
index 5631e76..4118e69 100644
--- a/app/assets/javascripts/angularjs.js.coffee
+++ b/app/assets/javascripts/angularjs.js.coffee
@@ -1,10 +1,11 @@
 #= require angular
 #= require angular-cookies
 #= require angular-resource
+#= require angular-sanitize
 #= require_self
 #= require_tree ./angularjs
 
-@app = angular.module('app', ['ngCookies'])
+@app = angular.module('app', ['ngCookies', 'ngSanitize'])
 
 @app.config(["$httpProvider", (provider) ->
     provider.defaults.headers.common['X-CSRF-Token'] = $('meta[name=csrf-token]').attr('content')
diff --git a/app/assets/javascripts/angularjs/admin_posts.js.coffee b/app/assets/javascripts/angularjs/admin_posts.js.coffee
new file mode 100644
index 0000000..ec2dc01
--- /dev/null
+++ b/app/assets/javascripts/angularjs/admin_posts.js.coffee
@@ -0,0 +1,20 @@
+@app.controller 'AdminPostsController', ($scope, $http, $location, $timeout, $cookies, $sce)->
+
+  $scope.body_active = true
+
+  $scope.changeToBody = ->
+    $scope.body_active = true
+
+  $scope.changeToPreview = ->
+    $scope.body_active = false
+    $scope.previewHTML = '加载中...'
+    $http.post '/admin/posts/preview', { content: $scope.content }
+    .success (res)->
+      $scope.previewHTML = res
+
+  $scope.addTag = (e)->
+    new_labels= $(e.target).text()
+    if $scope.labels
+      $scope.labels += ", #{new_labels}"
+    else
+      $scope.labels = new_labels
diff --git a/app/assets/javascripts/angularjs/likes.js.coffee b/app/assets/javascripts/angularjs/likes.js.coffee
index 38f5e43..78d1fda 100644
--- a/app/assets/javascripts/angularjs/likes.js.coffee
+++ b/app/assets/javascripts/angularjs/likes.js.coffee
@@ -1,28 +1,37 @@
 @app.controller 'LikesController', ($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()
+  $http.get url
+  .success (res)->
+    $scope.count = res.count
   
   $scope.like = $cookies.like
 
+  if $scope.like
+    $http
+      url: $location.absUrl() + "/likes/#{$scope.like}/is_liked"
+      method: 'GET'
+    .success (res)->
+      if  res == 'true'
+        $scope.is_liked = true
+      else
+        $scope.is_liked = false
+  else
+    $scope.is_liked = false
+
   $scope.submit = ->
     $http.post url
     .success (res)->
       if res.success
         $scope.like = $cookies.like = res.id
         $scope.count = res.count
+        $scope.is_liked = true
 
   $scope.cancel = ->
     $http.delete url + "/" + $scope.like
     .success (res)->
       $scope.count = res.count
+    $scope.is_liked = false
     # anyway, clear cookie
     delete $cookies["like"]
     $scope.like = null
diff --git a/app/assets/stylesheets/admin/dashboard.css.scss b/app/assets/stylesheets/admin/dashboard.css.scss
new file mode 100644
index 0000000..f8b22f9
--- /dev/null
+++ b/app/assets/stylesheets/admin/dashboard.css.scss
@@ -0,0 +1,3 @@
+.dash-title {
+  padding-top: 2rem;
+}
diff --git a/app/assets/stylesheets/admin/posts.css.scss b/app/assets/stylesheets/admin/posts.css.scss
index 51192ad..44f9a96 100644
--- a/app/assets/stylesheets/admin/posts.css.scss
+++ b/app/assets/stylesheets/admin/posts.css.scss
@@ -1,57 +1,42 @@
-// Place all the styles related to the admin/posts controller here.
-// They will automatically be included in application.css.
-// You can use Sass (SCSS) here: http://sass-lang.com/
+.admin-posts-field {
+  margin-top: 1rem;
+
+  .blog-title {
+    border-bottom: 1px solid #DDDDDD;
+    padding-bottom: 1rem;
+    margin-bottom: 2rem;
+  }
+
+  #post_content {
+    min-height: 20rem;
+  }
+
+  .preview {
+    min-height: 20rem;
+    border: 1px solid #DDDDDD;
+    margin-bottom: 1.275rem;
+    padding: 0.275rem 0.5rem;
+  }
+
+  .tag {
+    display: inline-block;
+    margin: 0 0.5rem;
+  }
+
+  #upload_photo {
+    float: right;
+    margin-top: 2rem;
+  }
 
-#post_content {
-  width: 800px;
-  height: 390px;
 }
 
-div.submit {
-  display: block;
-  line-height: 40px;
-  width: 805px;
-  background-color: #CCC;
-  padding-left: 16px;
-  font-size: 20px;
+.edit-post-link {
+  margin-right: 1rem;
 }
 
-ul.tab {
-  margin: 10px 0 10px 0;
-  overflow: hidden;
-  li {
-    float: left;
-    padding: 5px 5px;
-    border: 1px solid #CCC;
-    cursor: pointer;
-  }
-  li.active {
-    border-bottom: none;
-    border-top: 1px solid #CCC;
-  }
-  li:not(.active) {
-    border-top: none;
-    border-top-right-radius: none;
-    border-top-left-radius: none;
-  }
-  li#content {
-    border-top-left-radius: 10px;
-    border-right: none;
-  }
-  li#preview {
-    border-right-bottom-radius: 10px;
-    border-top-right-radius: 10px;
+.admin-post-summary-field {
+  i {
+    margin-right: 0.385rem;
+    margin-left: 0.5rem;
   }
 }
-
-div.preview {
-  width: 800px;
-  min-height: 396px;
-  border: 1px solid #CCC;
-  padding: 5px 5px;
-  display: none;
-}
-
-#upload_photo {
-  float: right;
-}
diff --git a/app/assets/stylesheets/markdown.css.scss b/app/assets/stylesheets/markdown.css.scss
index cfbae1e..af12b23 100644
--- a/app/assets/stylesheets/markdown.css.scss
+++ b/app/assets/stylesheets/markdown.css.scss
@@ -16,7 +16,8 @@
   }
 
   h1, h2, h3, h4, h5, h6 {
-    border-bottom: 1px solid #F7F7F7;
+    border-bottom: 1px solid #EEEEEE;
+    margin-bottom: 1rem;
   }
 
   pre {
diff --git a/app/controllers/admin/dashboard_controller.rb b/app/controllers/admin/dashboard_controller.rb
new file mode 100644
index 0000000..9baa8e3
--- /dev/null
+++ b/app/controllers/admin/dashboard_controller.rb
@@ -0,0 +1,10 @@
+class Admin::DashboardController < ApplicationController
+  layout 'layouts/admin'
+  before_action :authericate_user!
+
+  def index
+    @posts_count = Post.all.size
+    @comments_count = Comment.all.size
+    @visited_count = Post.all.inject(0) { |res, p| res + p.visited_count }
+  end
+end
diff --git a/app/controllers/admin/posts_controller.rb b/app/controllers/admin/posts_controller.rb
index cba746e..84e6ace 100644
--- a/app/controllers/admin/posts_controller.rb
+++ b/app/controllers/admin/posts_controller.rb
@@ -1,39 +1,72 @@
 class Admin::PostsController < ApplicationController
+  layout 'layouts/admin'
+  before_action :authericate_user!
+
   def new
     @post = Post.new
   end
 
   def edit
+    @post = Post.find( params[:id] )
   end
 
   def destroy
+    @post = Post.find( params[:id] )
+    if @post.destroy
+      flash[:notice] = '删除博客成功'
+      redirect_to admin_posts_path
+    else
+      flash[:error] = '删除博客失败'
+      redirect_to admin_posts_path
+    end
   end
 
   def index
+    @posts = Post.desc(:created_at)
   end
 
   def create
-    @post = Post.new( post_params )
+    labels = params.delete(:labels).to_s
+    @post = Post.new( params.permit(:title, :content, :type) )
+
+    labels.split(",").each do |name|
+      label = Label.find_or_initialize_by(name: name.strip)
+      label.save!
+      @post.labels << label
+    end
+
     if @post.save
-      flash[:notice] = "success!"
-      redirect_to root_path
+      flash[:notice] = '创建博客成功'
+      redirect_to admin_root_path
     else
-      flash[:alert] = "fail!"
-      render :action=>:new
+      flash[:error] = '创建失败'
+      render :new
     end
   end
 
   def update
+    @post = Post.find( params[:id] )
+
+    labels = params.delete(:labels).to_s
+    #clear labels
+    @post.labels = []
+
+    labels.split(",").each do |name|
+      label = Label.find_or_initialize_by(name: name.strip)
+      label.save!
+      @post.labels << label
+    end
+
+    if @post.update( params.permit(:title, :content, :type) )
+      flash[:notice] = '更新博客成功'
+      redirect_to admin_posts_path
+    else
+      flash[:error] = '更新博客失败'
+      render :edit
+    end
   end
 
   def preview
-    text = params.permit(:text)[:text] || ""
-    rd = Redcarpet::Render::HTML.new(:hard_wrap=>true)
-    md = Redcarpet::Markdown.new(rd, :autolink=>true)
-    render :text => md.render(text)
-  end
-  
-  def post_params
-    params.require(:post).permit(:title, :content, :type)
+    render :text => Post.render_html(params[:content] || "")
   end
 end
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 80844fb..b93b985 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -10,4 +10,8 @@ class ApplicationController < ActionController::Base
   def format_date(time)
     time.strftime("%Y.%m.%d")
   end
+
+  protected
+  def authericate_user!
+  end
 end
diff --git a/app/controllers/blogs_controller.rb b/app/controllers/blogs_controller.rb
index a6fd08c..f59e43a 100644
--- a/app/controllers/blogs_controller.rb
+++ b/app/controllers/blogs_controller.rb
@@ -13,6 +13,7 @@ class BlogsController < ApplicationController
 
   def show
     @post = Post.find(params[:id])
+    @post.visited
     @prev = Post.where(:created_at.lt => @post.created_at).desc(:created_at).where(:id.ne => @post.id).first
     @next = Post.where(:created_at.gt => @post.created_at).asc(:created_at).where(:id.ne => @post.id).first
     @comments = @post.comments
diff --git a/app/controllers/likes_controller.rb b/app/controllers/likes_controller.rb
index e36a2ac..32b9f99 100644
--- a/app/controllers/likes_controller.rb
+++ b/app/controllers/likes_controller.rb
@@ -6,6 +6,15 @@ class LikesController < ApplicationController
     render :json=> { success: true, count: post.liked_count }
   end
 
+  def is_liked
+    post = Post.find( params[:blog_id] )
+    if post.likes.where(id: params[:id]).first
+      render text: true
+    else
+      render text: false
+    end
+  end
+
   def create
     post = Post.find( params[:blog_id] )
     like = Like.new
diff --git a/app/helpers/admin/posts_helper.rb b/app/helpers/admin/posts_helper.rb
deleted file mode 100644
index e9158b2..0000000
--- a/app/helpers/admin/posts_helper.rb
+++ /dev/null
@@ -1,2 +0,0 @@
-module Admin::PostsHelper
-end
diff --git a/app/models/label.rb b/app/models/label.rb
index 30be414..1d8ce48 100644
--- a/app/models/label.rb
+++ b/app/models/label.rb
@@ -4,6 +4,6 @@ class Label
 
   field :name, :type => String
 
-  has_and_belongs_to_many :post
+  has_and_belongs_to_many :posts
   validates :name, presence: true
 end
diff --git a/app/models/post.rb b/app/models/post.rb
index 7195042..1a15a6b 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -23,9 +23,13 @@ class Post
   validates :type, :presence=>true, :inclusion => { :in => [ TECH, LIFE, CREATOR ] }
 
   def content_html
+    self.class.render_html(self.content)
+  end
+
+  def self.render_html(content)
     rd = CodeHTML.new
     md = Redcarpet::Markdown.new(rd, autolink: true, fenced_code_blocks: true)
-    md.render(self.content)
+    md.render(content)
   end
 
   def visited
@@ -35,12 +39,12 @@ class Post
   end
 
   def sub_content
-    HTML_Truncator.truncate(content_html,100)
+    HTML_Truncator.truncate(content_html,30)
   end
 
-  def labels_content
+  def labels_content( need_blank=false )
     content = self.labels.collect { |label| label.name }.join(", ")
-    content = '无' if content.blank?
+    content = '无' if content.blank? and !need_blank
     content
   end
 
diff --git a/app/views/admin/dashboard/index.html.slim b/app/views/admin/dashboard/index.html.slim
new file mode 100644
index 0000000..b8241ce
--- /dev/null
+++ b/app/views/admin/dashboard/index.html.slim
@@ -0,0 +1,20 @@
+.row
+  .small-12.columns
+    h2.dash-title 统计信息
+    hr
+    table width="100%"
+      thead
+        tr
+          th 条目
+          th 数据
+      tbody
+        tr
+          td 总博客数
+          td #{@posts_count}
+        tr
+          td 总评论数
+          td #{@comments_count}
+        tr
+          td 总浏览量
+          td #{@visited_count}
+
diff --git a/app/views/admin/posts/_form.html.slim b/app/views/admin/posts/_form.html.slim
index 6ca3291..24a3927 100644
--- a/app/views/admin/posts/_form.html.slim
+++ b/app/views/admin/posts/_form.html.slim
@@ -1,14 +1,39 @@
-= simple_form_for(@post, :url=> admin_posts_path(@post)) do |f|
-  = f.input :title
-  ul.tab
-    li#content.active
-      | content
-    li#preview url=preview_admin_posts_path
-      | preview
-  = link_to t(:upload_photo), "#", :id=>'upload_photo'
+- url = @post.new_record? ? admin_posts_path : admin_post_path(@post)
+= simple_form_for(@post, url: url, html: {novalidate: '' }) do |f|
+  .row
+    .large-6.columns
+      = f.input :title, label: '标题', "ng-model"=>"title", input_html: { name: 'title' }
+  .row
+    .small-6.large-3.columns
+      = f.input :type, :as=>:select, :collection=> [ Post::TECH, Post::LIFE, Post::CREATOR ], label: '类别', "ng-model"=>"type", input_html: { name: 'type' }
+  .row
+    .small-12.large-6.columns
+      = f.simple_fields_for :label do |p|
+        = label_tag :labels, '标签'
+        = text_field_tag :labels, @post.labels_content(true), "ng-model"=>"labels", "ng-init" => "labels= '#{@post.labels_content(true)}'"
+
+  .row
+    .small-12.columns
+      p
+        | 已有标签:
+        span
+          - Label.all.each do |label|
+            a.tag href="#" ng-click="addTag($event)" #{label.name}
+          
+  / tabs and upload file field
+  dl.tabs
+    dd ng-class="{ active: body_active }"
+      a href="" ng-click="changeToBody()" 正文
+    dd ng-class="{ active: !body_active }"
+      a href="#" ng-click="changeToPreview()" 预览
+    = link_to t(:upload_photo), "#", :id=>'upload_photo'
   input[type="file" style="display: none;"]
-  = f.input :content, :as=> :text, :label=>false
-  .preview.wikistyle
-  = f.input :type, :as=>:select, :collection=> [ Post::TECH, Post::LIFE, Post::CREATOR ], :include_blank=>false
-  .submit
-    = f.submit
+
+  .content-field ng-show="body_active" ng-model= 'content'
+    = f.input :content, :as=> :text, :label => false, input_html: { name: 'content', "value"=>"#{@post.content}", "ng-model"=>'content', "ng-init"=>"content='#{@post.content}'" }
+
+  .preview.markdown ng-hide="body_active" ng-bind-html=" previewHTML "
+
+  .row
+    .small-12.large-6.columns.posts-button
+      button 提交
diff --git a/app/views/admin/posts/edit.html.slim b/app/views/admin/posts/edit.html.slim
new file mode 100644
index 0000000..ae30140
--- /dev/null
+++ b/app/views/admin/posts/edit.html.slim
@@ -0,0 +1,5 @@
+.row
+  .small-12.columns
+    .admin-posts-field ng-controller="AdminPostsController"
+      h3.blog-title 修改博客
+      = render 'form'
diff --git a/app/views/admin/posts/index.html.slim b/app/views/admin/posts/index.html.slim
new file mode 100644
index 0000000..0ceb9c8
--- /dev/null
+++ b/app/views/admin/posts/index.html.slim
@@ -0,0 +1,29 @@
+.row.admin-posts-field
+  .small-12.columns
+    h3.blog-title 博客管理
+    table width="100%"
+      thead
+        tr
+          th 标题
+          th 概要
+          th 操作
+      tbody
+        - @posts.each do |post|
+          tr
+            td 
+              = link_to post.title, blog_path(post)
+            td.admin-post-summary-field
+              i.fi-calendar
+              span #{format_time(post.created_at)}
+              i.fi-list
+              span #{ post.type }
+              i.fi-pricetag-multiple
+              span #{ post.labels_content }
+              i.fi-torsos
+              span #{ post.visited_count }
+              i.fi-heart
+              span #{ post.liked_count }
+            td
+              = link_to '编辑', edit_admin_post_path(post), class: 'edit-post-link'
+              = link_to '删除', admin_post_path(post), method: 'DELETE', confirm: '确认删除?'
+
diff --git a/app/views/admin/posts/new.html.slim b/app/views/admin/posts/new.html.slim
index f8b33f2..044b860 100644
--- a/app/views/admin/posts/new.html.slim
+++ b/app/views/admin/posts/new.html.slim
@@ -1,2 +1,5 @@
-h3 #{t('new_post')}
-= render 'form'
+.row
+  .small-12.columns
+    .admin-posts-field ng-controller="AdminPostsController"
+      h3.blog-title #{t('new_post')}
+      = render 'form'
diff --git a/app/views/blogs/_post.html.slim b/app/views/blogs/_post.html.slim
index 010c5e9..b68193d 100644
--- a/app/views/blogs/_post.html.slim
+++ b/app/views/blogs/_post.html.slim
@@ -13,9 +13,9 @@ p.ptag
   | 发表于:
   span #{format_date(post.created_at)}
 p ng-controller="LikesController"
-  button.like-button ng-show="! like " ng-click="submit()"
+  button.like-button ng-show="! is_liked " ng-click="submit()"
     |{{ count }}
     span Like
-  button.like-button ng-show=" like " ng-click="cancel()" 
+  button.like-button ng-show=" is_liked " ng-click="cancel()" 
     |{{ count }}
     span Liked
diff --git a/app/views/layouts/admin.html.slim b/app/views/layouts/admin.html.slim
new file mode 100644
index 0000000..12e5db3
--- /dev/null
+++ b/app/views/layouts/admin.html.slim
@@ -0,0 +1,47 @@
+html
+  head
+    meta charset="utf-8" 
+    meta name="viewport" content="width=device-width, initial-scale=1.0"
+    title Admin Page for WinDy's Blog
+    = stylesheet_link_tag    "application"
+    = javascript_include_tag "vendor/modernizr"
+    = javascript_include_tag "application"
+    = csrf_meta_tags
+  body
+    nav.top-bar data-topbar=""
+      ul.title-area
+        li.name
+          h1
+            = link_to 'Dashboard For WinDy', admin_root_path
+        li.toggle-topbar.menu-icon
+          a href="#" Menu
+      section.top-bar-section
+        ul.left
+          li
+            = link_to '创建新博客', new_admin_post_path
+          li
+            = link_to '管理博客', admin_posts_path
+        ul.right
+          li
+            = link_to '返回首页', root_path
+    - flash.each do |name, msg|
+      - if msg.is_a?(String)
+        div class=("alert-box #{name == :notice ? "success" : "alert"}") data-alert=""
+          = content_tag :div, msg
+          a.close href="#"  &times;
+    .admin-main-field ng-app="app"
+      = yield
+    = render "layouts/footer"
+
+
+
+    javascript:
+      var _gaq = _gaq || [];
+      _gaq.push(['_setAccount', 'UA-32883596-1']);
+      _gaq.push(['_trackPageview']);
+
+      (function() {
+        var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
+        ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
+        var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
+      })();
diff --git a/config/routes.rb b/config/routes.rb
index 5772c96..45f79a6 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -6,7 +6,11 @@ WBlog::Application.routes.draw do
       get :rss
     end
     resources :comments, only: [:index, :create]
-    resources :likes, only: [:index, :create, :destroy]
+    resources :likes, only: [:index, :create, :destroy] do
+      member do
+        get :is_liked
+      end
+    end
   end
 
 
@@ -20,8 +24,8 @@ WBlog::Application.routes.draw do
         post :preview
       end
     end
+    root to: 'dashboard#index'
   end
   get '/about' => 'home#index'
-  get '/admin' => 'admin/posts#new'
   get '/:type' => 'archives#index'
 end
diff --git a/spec/controllers/admin/dashboard_controller_spec.rb b/spec/controllers/admin/dashboard_controller_spec.rb
new file mode 100644
index 0000000..22a6cad
--- /dev/null
+++ b/spec/controllers/admin/dashboard_controller_spec.rb
@@ -0,0 +1,12 @@
+require 'spec_helper'
+
+describe Admin::DashboardController do
+
+  describe "GET 'index'" do
+    it "returns http success" do
+      get 'index'
+      response.should be_success
+    end
+  end
+
+end
diff --git a/spec/controllers/admin/posts_controller_spec.rb b/spec/controllers/admin/posts_controller_spec.rb
index 5ac2f06..aff92db 100644
--- a/spec/controllers/admin/posts_controller_spec.rb
+++ b/spec/controllers/admin/posts_controller_spec.rb
@@ -4,13 +4,40 @@ describe Admin::PostsController do
   it "preview should return ok" do
     post :preview
     response.body.should == ""
-    post :preview, text: '123'
+    post :preview, content: '123'
     response.body.should == "<p>123</p>\n"
-    post :preview, text: <<-EOF
-```ruby
-puts 'hello world'
-```
-EOF
-    response.body.should == "<p><code>ruby<br>\nputs &#39;hello world&#39;<br>\n</code></p>\n"
+  end
+
+  it "update" do
+    post = create(:post)
+
+    patch 'update', id: post.id, labels: 'think, go '
+    expect(post.reload.labels.size).to eq(2)
+  end
+
+
+  it "destroy" do
+    post = create(:post)
+    label = create(:label)
+    post.labels << label
+    post.save!
+    expect(label.posts.size).to eq(1)
+
+    delete 'destroy', id: post.id
+    expect( Post.all.size ).to eq(0)
+    expect( label.reload.posts.size ).to eq(0)
+  end
+
+  it "create" do
+    post_params = attributes_for(:post)
+    post 'create', post_params.merge( labels: 'think, go ' )
+    
+    post = Post.first
+    expect( post.labels.size ).to eq(2)
+  end
+
+  it "create fail and see labels_content" do
+    post 'create', labels: 'think, go '
+    expect( assigns(:post).labels_content ).to eq('think, go')
   end
 end
diff --git a/spec/factories/labels.rb b/spec/factories/labels.rb
new file mode 100644
index 0000000..9766101
--- /dev/null
+++ b/spec/factories/labels.rb
@@ -0,0 +1,5 @@
+FactoryGirl.define do
+  factory :label do
+    name 'label'
+  end
+end