CHANGELOG.md in alipay-0.14.0 vs CHANGELOG.md in alipay-0.15.0

@@ -1,7 +1,12 @@
 ## master
 
-## v0.13.0 (2016-12-28)
+## v0.15.0 (2017-08-27)
+
+- Add `Alipay::Client` for open API.
+- Stop adding new feature to Alipay::Service, Alipay::App::Service, Alipay::Wap::Service, Alipay::Mobile::Service.
+
+## v0.14.0 (2016-12-28)
 
 - Add `Alipay::App::Service.create_forex_trade_wap_url` method, thanks @xiaohesong #61
 
 ## v0.13.0 (2016-12-24)