change readme image and url to 2

README.md

@@ -5,8 +5,8 @@ fc-nodejs-sdk
 [![build status][travis-image]][travis-url]
 [![coverage][cov-image]][cov-url]
 
-[npm-image]: https://img.shields.io/npm/v/@alicloud/fc.svg?style=flat-square
-[npm-url]: https://npmjs.org/package/@alicloud/fc
+[npm-image]: https://img.shields.io/npm/v/@alicloud/fc2.svg?style=flat-square
+[npm-url]: https://npmjs.org/package/@alicloud/fc2
 [travis-image]: https://img.shields.io/travis/aliyun/fc-nodejs-sdk/master.svg?style=flat-square
 [travis-url]: https://travis-ci.org/aliyun/fc-nodejs-sdk.svg?branch=master
 [cov-image]: https://coveralls.io/repos/aliyun/fc-nodejs-sdk/badge.svg?branch=master&service=github