Merge branch 'master' of github.com:huacnlee/rucaptcha

README.md

@@ -2,6 +2,7 @@
 
 [![Gem Version](https://badge.fury.io/rb/rucaptcha.svg)](https://badge.fury.io/rb/rucaptcha)
 [![Build Status](https://travis-ci.org/huacnlee/rucaptcha.svg)](https://travis-ci.org/huacnlee/rucaptcha)
+[![Code Climate](https://codeclimate.com/github/huacnlee/rucaptcha/badges/gpa.svg)](https://codeclimate.com/github/huacnlee/rucaptcha)
 
 This is a Captcha gem for Rails Applications. It runs an ImageMagick command to draw Captcha image - so it has NO performance issues or memory leak issues. **There is NO: RMagick**