diff --git a/app/controllers/api/v1/search_controller.rb b/app/controllers/api/v1/search_controller.rb
index 32173aa..59458bc 100644
--- a/app/controllers/api/v1/search_controller.rb
+++ b/app/controllers/api/v1/search_controller.rb
@@ -4,9 +4,9 @@ class Api::V1::SearchController < ApplicationController
 
   def index
     #.pluck(:id, :title, :url, :type, :good_format, :summary)
-    posts = Post.where('title LIKE ?',"%#{params[:keywords]}%").limit(5)
+    posts = Post.select(Post.json_attrs).where('title LIKE ?',"%#{params[:keywords]}%").limit(5)
     #.pluck(:id, :email, :name, :avatar)
-    users = User.where('name LIKE ?', "%#{params[:keywords]}%").limit(5)
+    users = User.select(User.json_attrs).where('name LIKE ?', "%#{params[:keywords]}%").limit(5)
     render json: {
              posts: posts,
              users: users
diff --git a/app/models/post.rb b/app/models/post.rb
index 496b3cf..80fb4d5 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -19,4 +19,9 @@ class Post < ActiveRecord::Base
   def first_sharer
     share_instances.first.user_name
   end
+
+  def self.json_attrs
+    [:id, :url, :title, :type, :summary]
+  end
+
 end
diff --git a/app/models/user.rb b/app/models/user.rb
index 26388e6..b99a844 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -23,6 +23,10 @@ class User < ActiveRecord::Base
 
   acts_as_paranoid
 
+  def self.json_attrs
+    [:id, :email, :name]
+  end
+
   def followers
     user_ids = FollowRelation.where(star_id: self.id).pluck(:user_id)
     User.where(id: user_ids)
diff --git a/app/serializers/em_source_serializer.rb b/app/serializers/em_source_serializer.rb
index 7161c52..2572124 100644
--- a/app/serializers/em_source_serializer.rb
+++ b/app/serializers/em_source_serializer.rb
@@ -1,4 +1,3 @@
-
 class EMSourceSerializer < ActiveModel::Serializer
   include Rails.application.routes.url_helpers