add donate button to README

1 files changed, 1 insertions, 1 deletions

diff --git a/README.md b/README.md
index 09c8f75c8..1ce0f9e16 100755
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-##The Automatic Cross-platform Build Tool [![Build Status](https://api.travis-ci.org/waruqi/xmake.svg)](https://travis-ci.org/waruqi/xmake)
+##The Automatic Cross-platform Build Tool [![Build Status](https://api.travis-ci.org/waruqi/xmake.svg)](https://travis-ci.org/waruqi/xmake) [![donate](https://www.paypalobjects.com/en_US/i/btn/btn_donate_SM.gif)](https://github.com/waruqi/xmake/wiki/donate)
 
 ## introduction