README.md in detail_parser-0.1.4 vs README.md in detail_parser-0.1.6

@@ -18,14 +18,43 @@
 
 Or install it yourself as:
 
     $ gem install detail_parser
 
+Next to config, To run
+
+    $ rails g detail_parser:install
+
+That will create file in `config/initializers/detail_parser.rb`
+
 ## Usage
 
-TODO: Write usage instructions here
+  - 默认是开启detail_parser的模式，可以通过配置文件来关闭
 
+  ```ruby
+  config.detail_parser.enabled = false
+  ```
+
+  - 默认的日志等级是 `:info`,可以通过配置文件修改
+
+  ```ruby
+  DetailParser.log_level = :debug
+  ```
+
+  - 默认是关闭了rails自身的Log输出，如需开启，需要进行如下配置
+
+  ```ruby
+  config.detail_parser.keep_original_log = true
+  ```
+
+  - 默认的请求用户是开启的，但是内容被注释了．这个可以根据自己项目的情况修改．使用的时候去除注释就可以．
+
+  ```ruby
+  payload[:current_user] = "User Id #{current_user.id} | User name #{current_user.name}"
+  ```
+
+
 ## Development
 
 After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake spec` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.
 
 To install this gem onto your local machine, run `bundle exec rake install`. To release a new version, update the version number in `version.rb`, and then run `bundle exec rake release`, which will create a git tag for the version, push git commits and tags, and push the `.gem` file to [rubygems.org](https://rubygems.org).
@@ -36,6 +65,5 @@
 
 
 ## License
 
 The gem is available as open source under the terms of the [MIT License](http://opensource.org/licenses/MIT).
-