%!s(int64=11) %!d(string=hai) anos · d806a9c996
--- a/free-programming-books-zh.md
+++ b/free-programming-books-zh.md
@@ -19,6 +19,7 @@
 
				 * [Udacity](https://www.udacity.com/)
			
 
				 * [xuetangX](https://www.xuetangx.com/)
			
 
				 * [Codecademy](http://www.codecademy.com/?locale_code=zh)
			
 
				+* [CodeSchool](https://www.codeschool.com/)
			
 
				 
			
 
				 
			
 
				 ###软件开发方法