diff --git a/spec/controllers/blogs_controller_spec.rb b/spec/controllers/blogs_controller_spec.rb
index b03d2c6..462ff8c 100644
--- a/spec/controllers/blogs_controller_spec.rb
+++ b/spec/controllers/blogs_controller_spec.rb
@@ -2,67 +2,36 @@ require 'spec_helper'
 
 describe BlogsController do
 
-  it 'index should get by order desc' do
-    a = Post.new(title: 'a123', content: '123'*20, type: Post::TECH)
-    a.save!
+  describe 'get INDEX' do
+    it 'index should get by order desc' do
+      create_list(:post_list, 5)
 
-    b = Post.new(title: 'b1234', content: '123'*20,type: Post::TECH)
-    b.save!
+      first = Post.first
+      first.update(title: 'first')
 
-    c = Post.new(title: 'c1234', content: '123'*20,type: Post::TECH)
-    c.save!
-
-    d = Post.new(title: 'd1234', content: '123'*20,type: Post::TECH)
-    d.save!
-
-    a.update(title: 'aaa')
-    get :index
-    assigns[:newest].title.should == d.title
-    assigns[:recent][0].title.should == c.title
-    assigns[:recent][1].title.should == b.title
-
-  end
-
-  it 'test show method' do
-    post = Post.new(title: 'a123', content: '123'*20, type: Post::TECH)
-    post.save!
-    a = Comment.new(name: '1',content: '2432423',email: '22@.com')
-    a.post = post
-    a.save!
-    b = Comment.new(name: '2',content: 'iloveyou',email: 'liuzhen@.com')
-    b.post = post
-    b.save!
-    get :show, id: post.id
-    assigns[:comments][0].name.should == '1'
-    assigns[:comments][0].content.should == '2432423'
-    assigns[:comments][0].email.should == '22@.com'
-    assigns[:comments][1].name.should == '2'
-    assigns[:comments][1].content.should == 'iloveyou'
-    assigns[:comments][1].email.should == 'liuzhen@.com'
-  end
-
-  it 'test show method' do
-    post = Post.new(title: 'a123', content: '123'*20, type: Post::TECH)
-    post.save!
-    a = Comment.new(name: '1',content: '2432423',email: '22@.com')
-    a.post = post
-    a.save!
-    b = Comment.new(name: '2',content: 'iloveyou',email: 'liuzhen@.com')
-    b.post = post
-    b.save!
-    label = Label.new(name: '生活')
-    post.labels << label
-    post.save!
-    get :show, id: post.id
-    assigns[:comments][0].name.should == '1'
-    assigns[:comments][0].content.should == '2432423'
-    assigns[:comments][0].email.should == '22@.com'
-    assigns[:comments][1].name.should == '2'
-    assigns[:comments][1].content.should == 'iloveyou'
-    assigns[:comments][1].email.should == 'liuzhen@.com'
+      second = Post.desc(:created_at)[1]
+      get :index
+      expect(assigns(:newest)).to eq(first)
+      expect(assigns(:recent)[0]).to eq(second)
+    end
   end
 
   describe "get SHOW" do
+
+    it 'get POST' do
+      post = create(:post)
+      comment1 = build(:comment_no_post)
+      comment1.post = post
+      comment1.save!
+      comment2 = build(:comment_no_post)
+      comment2.post = post
+      comment2.save!
+
+      get :show, id: post.id
+      expect(assigns(:comments)[0]).to eq(comment1)
+      expect(assigns(:comments)[1]).to eq(comment2)
+    end
+
     it "#prev, #next" do
       posts = create_list(:post_list, 3)
       posts = Post.order_by(created_at: 'asc')
@@ -91,8 +60,6 @@ describe BlogsController do
       get :show, id: selected.id
       expect(assigns(:prev)).to eq(posts[0])
       expect(assigns(:next)).to eq(posts[2])
-
-
     end
   end
 end
diff --git a/spec/controllers/comments_controller_spec.rb b/spec/controllers/comments_controller_spec.rb
deleted file mode 100644
index 562bf1a..0000000
--- a/spec/controllers/comments_controller_spec.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-require 'spec_helper'
-
-describe CommentsController do
-
-end
diff --git a/spec/controllers/photos_controller_spec.rb b/spec/controllers/photos_controller_spec.rb
deleted file mode 100644
index 5f2c12a..0000000
--- a/spec/controllers/photos_controller_spec.rb
+++ /dev/null
@@ -1,12 +0,0 @@
-require 'spec_helper'
-
-describe PhotosController do
-
-  describe "GET 'create'" do
-    it "returns http success" do
-      get 'create'
-      response.should be_success
-    end
-  end
-
-end
diff --git a/spec/factories/comments.rb b/spec/factories/comments.rb
index 58a5ae2..6b373a2 100644
--- a/spec/factories/comments.rb
+++ b/spec/factories/comments.rb
@@ -1,7 +1,14 @@
 FactoryGirl.define do
   factory :comment do
     content 'content' * 10
-    type Post::TECH
+    name 'commentor'
+    email 'tester@xx.com'
     association :post
   end
+
+  factory :comment_no_post, class: Comment do
+    content 'content' * 10
+    name 'commentor'
+    email 'tester@xx.com'
+  end
 end
diff --git a/spec/models/comment_spec.rb b/spec/models/comment_spec.rb
deleted file mode 100644
index b504a0a..0000000
--- a/spec/models/comment_spec.rb
+++ /dev/null
@@ -1,14 +0,0 @@
-require 'spec_helper'
-
-describe Comment do
-  it 'test comment' do
-    a = Comment.new(name: '1',content: '2432423',email: '22@.com', post_id: 1)
-    a.save.should == true
-    b = Comment.new(content: '2432ddd423',email: '22@.com', post_id: 1)
-    b.save.should == false
-    b = Comment.new(name: '2', email: '22@.com', post_id: 1)
-    b.save.should == false
-    b = Comment.new(name: '2', content: '2432ddd423',email: '22.com', post_id: 1)
-    b.save.should == false
-  end
-end
diff --git a/spec/models/label_spec.rb b/spec/models/label_spec.rb
deleted file mode 100644
index 45b9dde..0000000
--- a/spec/models/label_spec.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-require 'spec_helper'
-
-describe Label do
- 
-end
diff --git a/spec/models/photo_spec.rb b/spec/models/photo_spec.rb
deleted file mode 100644
index d64d07f..0000000
--- a/spec/models/photo_spec.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-require 'spec_helper'
-
-describe Photo do
-  it "photo with picture will be ok" do
-    a = Photo.new
-    a.save
-  end
-end
diff --git a/spec/models/subscribe_spec.rb b/spec/models/subscribe_spec.rb
deleted file mode 100644
index 0df4fbb..0000000
--- a/spec/models/subscribe_spec.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-require 'spec_helper'
-
-describe Subscribe do
-  pending "add some examples to (or delete) #{__FILE__}"
-end