diff --git a/README.markdown b/README.markdown
index 7c1e19b..ee9337c 100644
--- a/README.markdown
+++ b/README.markdown
@@ -97,3 +97,4 @@ ruby-pinyin中的拼音数据由作者整理自互联网，你可以在ruby-piny
 * [jiangxin](https://github.com/jiangxin)
 * [forresty](https://github.com/forresty)
 * [pzpz](https://github.com/pzpz)
+* [Eric Guo](https://github.com/Eric-Guo)