diff --git a/app/controllers/ecloud_controller.rb b/app/controllers/ecloud_controller.rb
index 20301409..f1c1b1e2 100644
--- a/app/controllers/ecloud_controller.rb
+++ b/app/controllers/ecloud_controller.rb
@@ -1,5 +1,7 @@
 #encoding=utf-8
 require 'net/http'
+require 'digest'
+
 class EcloudController < ApplicationController
   skip_before_filter :verify_authenticity_token
 
@@ -22,16 +24,12 @@ class EcloudController < ApplicationController
   ROOT_URl = 'http://localhost:3000'
   SERVER_URL = "https://221.176.54.92:9081/restful/services/"
 
-  def oschina_login
-    # 根据session，看看有没有存access_token，去刷新下。
-    # 1. 如果过期，则跳转
-    # 2. 未过期，直接用
-
-    redirect_to "https://gitee.com/oauth/authorize?client_id=#{CLIENT_ID}&redirect_uri=#{ROOT_URl}/oschina/login_cb&response_type=code"
-  end
-
 
 
+  ## 签名
+  def sign(timestamp)
+    Digest::MD5.hexdigest("client_id=#{CLIENT_ID}client_key=#{CLIENT_SECRET}timestamp=#{timestamp}")
+  end
 
 
   # 企业开通