Update README.md

hicode · hicode · commit a2391812d0cc · 2013-04-27T15:23:21.000+08:00
update
diff --git a/README.md b/README.md
@@ -22,7 +22,7 @@ The Development kit incorporates all the Codeigniter API, use the shortcuts and
 
 ![chaining](http://codeigniter.org.cn/forums/data/attachment/forum/201304/27/004646po26n76nk0eojp5j.gif "model")
 
-![chaining](http://codeigniter.org.cn/forums/data/attachment/forum/201304/27/004646po26n76nk0eojp5j.gif "function")
+![chaining](http://codeigniter.org.cn/forums/data/attachment/forum/201304/27/011319vkrznnz9jxzxcane.gif "function")
 
 2012.8.30 更新
 语法重新构思，使用"."作为替代"->"的符号；使用":"作为链式方法起始符，无需输入$this。
