diff --git a/temp_file/app/helpers/admin/gmail_helper.rb b/temp_file/app/helpers/admin/gmail_helper.rb
new file mode 100644
index 0000000..0becd2e
--- /dev/null
+++ b/temp_file/app/helpers/admin/gmail_helper.rb
@@ -0,0 +1,119 @@
+module Admin::GmailHelper
+  
+  class ClientID
+    attr_accessor :id
+    attr_accessor :secret
+    def initialize(id,secret)
+      @id = id
+      @secret = secret
+    end
+  end
+
+  require "google/apis/gmail_v1"
+  require "googleauth"
+  require "googleauth/stores/file_token_store"
+  require "fileutils"
+  SCOPE = ['https://mail.google.com/']
+  OOB_URI = "urn:ietf:wg:oauth:2.0:oob"
+  GOOGLE_ACCOUNTS_BASE_URL = 'https://accounts.google.com'
+  GmailTokenFile = "public/gmail-token.yaml"
+  def authorize_gmail(code=nil,site=nil)
+    site = Site.first if site.nil?
+    client_id =  Google::Auth::ClientId.new(site.gmail_client_id,site.gmail_client_secret)
+    if !File.exist?(GmailTokenFile) and code.nil? and !site.gmail_access_token.nil? and !site.gmail_refresh_token.nil?
+      token_json ={"client_id" => site.gmail_client_id,
+                  "access_token" => site.gmail_access_token,
+                  "refresh_token" => site.gmail_refresh_token,
+                  "scope" => SCOPE,
+                  "expiration_time_millis" => 3600}.to_json
+      File.open(GmailTokenFile, 'w') { |file| file.write(YAML.dump({'me' => token_json})) }
+    end
+    token_store = Google::Auth::Stores::FileTokenStore.new(file: GmailTokenFile)
+    authorizer = Google::Auth::UserAuthorizer.new(client_id, SCOPE, token_store)
+    user_id = 'me'
+    credentials = authorizer.get_credentials user_id
+    if credentials.nil? && !code.nil?
+      credentials = authorizer.get_and_store_credentials_from_code(
+        user_id: user_id, code: code, base_url: OOB_URI
+      )
+    end
+    credentials
+  end
+  def AccountsUrl(cmd)
+    "#{GOOGLE_ACCOUNTS_BASE_URL}/#{cmd}"
+  end
+
+  def GeneratePermissionUrl(scope = 'https://mail.google.com/')
+    client_id = Site.first.gmail_client_id
+    scope = ERB::Util.url_encode(scope)
+    request_url = AccountsUrl('o/oauth2/auth')
+    redirect_uri = OOB_URI
+    "#{request_url}?scope=#{scope}&client_id=#{client_id}&response_type=code&redirect_uri=#{redirect_uri}"
+  end
+  def send_post_request(request_url,param,req_params={})
+    uri = URI(request_url)
+    res_net = Net::HTTP.start(uri.host, uri.port,
+                              :use_ssl => uri.scheme == 'https',
+                              open_timeout: 60,read_timeout: 60,
+                              verify_mode: OpenSSL::SSL::VERIFY_NONE) do |http|
+      req = Net::HTTP::Post.new(uri)
+      req.content_type='application/x-www-form-urlencoded'
+      req_params.each do |k,v|
+        req[k] = v
+      end
+      req.body = URI.encode_www_form(param)
+      http.request(req)
+    end
+  end
+  def AuthorizeTokens(client_id, client_secret, authorization_code)
+    credentials = authorize_gmail(authorization_code)
+    """
+    param = {}
+    param['client_id'] = client_id
+    param['client_secret'] = client_secret
+    param['code'] = authorization_code
+    param['redirect_uri'] = 'urn:ietf:wg:oauth:2.0:oob'
+    param['grant_type'] = 'authorization_code'
+    request_url = AccountsUrl('o/oauth2/token')
+    res_net = send_post_request(request_url,param,{'Pragma'=>'no-cache','Cache-Control'=>'no-store'})
+    res_net.code=='200' ? JSON.load(res_net.body) : {}
+    """
+    credentials.as_json
+  end
+  def set_new_token()
+    site = Site.first if site.nil?
+    client_secret = site.gmail_client_secret
+    client_id = site.gmail_client_id
+    access_token = site.gmail_access_token
+    refresh_token = site.gmail_refresh_token
+    access_token = RefreshToken(client_id, client_secret, refresh_token)['access_token']
+    if !access_token.nil?
+      site.update_attributes(gmail_access_token: access_token)
+    end
+    access_token
+  end
+  def RefreshToken(client_id, client_secret, refresh_token)
+    param = {}
+    param['client_id'] = client_id
+    param['client_secret'] = client_secret
+    param['refresh_token'] = refresh_token
+    param['grant_type'] = 'refresh_token'
+    request_url = AccountsUrl('o/oauth2/token')
+    res_net = send_post_request(request_url,param)
+    res_net.code=='200' ? JSON.load(res_net.body) : {}
+  end
+  def send_gmail(raw,service=nil)
+    site = Site.first
+    if service.nil?
+      service = Google::Apis::GmailV1::GmailService.new
+      service.client_options.application_name = "Gmail API"
+      service.authorization = authorize_gmail(nil,site)
+    end
+    user_id = 'me'
+    message = Google::Apis::GmailV1::Message.new(raw: raw)
+    error = nil
+    result = nil
+    service.send_user_message(user_id,message,quota_user: site[:title][site.default_locale||:zh_tw]){|r,err| result=r;error=err}
+    [service,error]
+  end
+end
diff --git a/temp_file/config/application.rb b/temp_file/config/application.rb
index 9047013..cd23e6e 100644
--- a/temp_file/config/application.rb
+++ b/temp_file/config/application.rb
@@ -22,6 +22,52 @@ else
       storage_options.merge!(options)
     end
   end
+  #monkey the behavier as before(mongoid 4)
+  module Mongoid
+    module Contextual
+      class Mongo
+        def add_default_sort_options
+          if !criteria.options.key?(:sort)
+            criteria.options[:sort] = {:_id => 1}
+            apply_option(:sort)
+          end
+        end
+        def first
+          add_default_sort_options
+          return documents.first if cached? && cache_loaded?
+          try_cache(:first) do
+            if raw_doc = view.limit(-1).first
+              doc = Factory.from_db(klass, raw_doc, criteria.options[:fields])
+              eager_load([doc]).first
+            end
+          end
+        end
+        def last
+          add_default_sort_options
+          try_cache(:last) do
+            with_inverse_sorting do
+              if raw_doc = view.limit(-1).first
+                doc = Factory.from_db(klass, raw_doc, criteria.options[:fields])
+                eager_load([doc]).first
+              end
+            end
+          end
+        end
+        def documents_for_iteration
+          add_default_sort_options
+          return documents if cached? && !documents.empty?
+          return view unless eager_loadable?
+          docs = view.map{ |doc| Factory.from_db(klass, doc, criteria.options[:fields]) }
+          eager_load(docs)
+        end
+      end
+    end
+  end
+  BSON::Int64.class_eval do 
+    def bson_int64?
+      self.to_bson_key.bson_int64?
+    end
+  end
 end
 module Mongoid
   module Findable
diff --git a/temp_file/config/unicorn.rb b/temp_file/config/unicorn.rb
new file mode 100644
index 0000000..24805f0
--- /dev/null
+++ b/temp_file/config/unicorn.rb
@@ -0,0 +1,28 @@
+# unicorn_rails -c config/unicorn.rb -E development -D
+# kill -s USR2 PID_OF_MASTER
+rails_root  = `pwd`.gsub("\n", "")
+
+rails_env = ENV['RAILS_ENV'] || 'production'
+
+cpu_cores = %x(cat /proc/cpuinfo | grep processor | wc -l).sub("\n",'').to_i rescue 2
+cpu_cores = File.read("#{rails_root}/../cpu_cores.txt").force_encoding('utf-8').sub("\n",'').to_i if (File.exists?("#{rails_root}/../cpu_cores.txt") rescue false)
+worker_processes (rails_env == 'production' ? cpu_cores : 1)
+
+# preload_app true
+
+timeout 30
+
+listen "#{rails_root}/tmp/unicorn.sock", :backlog => 64
+stderr_path "#{rails_root}/log/unicorn.log"
+stdout_path "#{rails_root}/log/unicorn.log"
+
+before_fork do |server, worker|
+  ENV['worker_num'] = "#{worker.nr}"
+  old_pid = "#{rails_root}/tmp/pids/unicorn.pid.oldbin"
+  if File.exists?(old_pid) && server.pid != old_pid
+    begin
+      Process.kill("QUIT", File.read(old_pid).to_i)
+    rescue Errno::ENOENT, Errno::ESRCH
+    end
+  end
+end
\ No newline at end of file