README.md in 2cdn-0.1.7 vs README.md in 2cdn-0.1.8

@@ -7,25 +7,39 @@
 ## Installation
 
 Add this line to your application's Gemfile:
 
 ```ruby
-gem 'AutoAliCDN'
+gem '2cdn'
 ```
 
 And then execute:
 
     $ bundle
 
 Or install it yourself as:
 
-    $ gem install AutoAliCDN
+    $ gem install 2cdn
 
 ## Usage
 
-TODO: Write usage instructions here
+### Setup
 
+    $ 2cdn setup
+
+### Edit config
+
+    $ vim config/2cdn.yml
+
+### Upload
+
+    $ 2cdn upload my_path/my.zip remote_path
+
+### Download
+
+    $ 2cdn download remote_path/2018.1.zip my_path/2018.1.zip
+
 ## 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 +50,5 @@
 
 
 ## License
 
 The gem is available as open source under the terms of the [MIT License](http://opensource.org/licenses/MIT).
-