README.md in exception-track-0.1.2 vs README.md in exception-track-0.1.3

@@ -3,10 +3,12 @@
 
 Tracking exceptions for Rails application store them in database.
 
 This gem is base on [exception_notification](https://github.com/smartinez87/exception_notification/).
 
+[中文介绍和使用说明](https://ruby-china.org/topics/32325)
+
 [![Gem Version](https://badge.fury.io/rb/exception-track.svg)](https://badge.fury.io/rb/exception-track) [![Build Status](https://travis-ci.org/rails-engine/exception-track.svg)](https://travis-ci.org/rails-engine/exception-track) [![Code Climate](https://codeclimate.com/github/rails-engine/exception-track/badges/gpa.svg)](https://codeclimate.com/github/rails-engine/exception-track) [![codecov.io](https://codecov.io/github/rails-engine/exception-track/coverage.svg?branch=master)](https://codecov.io/github/rails-engine/exception-track?branch=master) [![](http://inch-ci.org/github/rails-engine/exception-track.svg?branch=master)](http://inch-ci.org/github/rails-engine/exception-track?branch=master)
 
 ![2017-02-17 12 35 18](https://cloud.githubusercontent.com/assets/5518/23052599/8e267c02-f50d-11e6-8d6e-cef0cc1991b7.png)
 
 ## Installation
@@ -57,20 +59,36 @@
 
 You can config [exception_notification](https://github.com/smartinez87/exception_notification/) by itself's way, more documentations please visit:
 
 https://github.com/smartinez87/exception_notification/
 
-## Router admin authenticate for Devise
+## Router admin authenticate
 
-config/router.rb
+```rb
+# lib/admin_constraint.rb
+class AdminConstraint
+  def matches?(request)
+    return false if !request.session[:user_id]
+    user = User.find(request.session[:user_id])
+    user && user.admin?
+  end
+end
 
+# config/router.rb
+require 'admin_constraint'
+mount ExceptionTrack::Engine => "/exception-track", constraints: AdminConstraint.new
+```
+
+**With Devise**
+
 ```rb
+# config/router.rb
 authenticate :user, ->(u) { u.admin? } do
   mount ExceptionTrack::Engine => "/exception-track"
 end
 ```
 
-https://github.com/plataformatec/devise/wiki/How-To:-Define-resource-actions-that-require-authentication-using-routes.rb
+More examples: [Sidekiq Web Document](https://github.com/mperham/sidekiq/wiki/Monitoring#authentication)
 
 ## License
 
 The gem is available as open source under the terms of the [MIT License](http://opensource.org/licenses/MIT).