README.md in objcthin-0.1.0 vs README.md in objcthin-0.2.0

@@ -1,10 +1,10 @@
 # Objcthin
 
-Welcome to your new gem! In this directory, you'll find the files you need to be able to package up your Ruby library into a gem. Put your Ruby code in the file `lib/objcthin`. To experiment with that code, run `bin/console` for an interactive prompt.
+this script can find unused selector and class for you project.app or LinkMap file.
 
-TODO: Delete this and the text above, and describe your gem
+这个脚本可以自动的帮你找出当前项目中不在使用的selector和class，支持debug版本的APP包和LinkMap文件。
 
 ## Installation
 
 Add this line to your application's Gemfile:
 
@@ -20,10 +20,16 @@
 
     $ gem install objcthin
 
 ## Usage
 
-TODO: Write usage instructions here
+find unused selector:
+    
+    $ objcthin findsel apppath(the execuse app path)
+    
+find unused class:
+      
+    $ objcthin findclass apppath(the execuse app path)  
 
 ## Development
 
 After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake test` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.