diff --git a/README.md b/README.md
index dc78715..9a048b5 100644
--- a/README.md
+++ b/README.md
@@ -14,24 +14,27 @@ Schrödinger's cat - Ruby on Rails
  		* `config/database.yml` database names and the database user/password
  	* load the database from schema
  		* `rake db:schema:load`
+ * Carrierwave credentials
+    * copy the carrierwave file
+    	* `cp config/initializers/carrierwave.rb.example config/initializers/carrierwave.rb`
+ 	* configure the carrierwave criteria
+ 		* `config/initializers/carrierwave.rb' Upyun is suggested. You can also use local file system
  * run
  	* `rails server`
 
 ## Dev Guide
  * User System
  	* Use devise for user authentication
- 	* 用户登录系统包
  	* `gem 'devise'`
  * Database
  	* Use mysql for database
- 	* mysql包
  	* `gem 'mysql2'`
  	* ubuntu
  		* `sudo apt-get install mysql-client libmysqlclient-dev`
  * Mail System
  	* `gem 'tlsmail'`
  	* `config/environments/development.rb` set up the third party oauth2 logins
- 	* sending mail from smtp mail servers用来发smtp邮件
+ 	*  sending mail from smtp mail servers
  * SNS Auth
  	* `gem 'omniauth'`
  	* `gem 'omniauth-weibo-oauth2'`
diff --git a/config/initializers/carrierwave.rb b/config/initializers/carrierwave.rb
deleted file mode 100644
index b3d9e01..0000000
--- a/config/initializers/carrierwave.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-CarrierWave.configure do |config|
-  config.storage = :upyun
-  config.upyun_username = "shaohuan"
-  config.upyun_password = '2013@nus'
-  config.upyun_bucket = "wanmen"
-  config.upyun_bucket_domain = "img.wanmen.org"
-end
\ No newline at end of file
diff --git a/config/initializers/carrierwave.rb.example b/config/initializers/carrierwave.rb.example
index c7692c6..c93efce 100644
--- a/config/initializers/carrierwave.rb.example
+++ b/config/initializers/carrierwave.rb.example
@@ -4,4 +4,10 @@ CarrierWave.configure do |config|
   config.upyun_password = '密码'
   config.upyun_bucket = "空间名"
   config.upyun_bucket_domain = "空间名.b0.upaiyun.com 或 使用你独立配置的域名"
-end
\ No newline at end of file
+end
+
+/*CarrierWave.configure do |config|
+  config.permissions = 0666
+  config.directory_permissions = 0777
+  config.storage = :file
+end*/