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README.md

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-# Nano [![Build Status](https://travis-ci.org/lonnng/nano.svg?branch=master)](https://travis-ci.org/lonnng/nano) [![GoDoc](https://godoc.org/github.com/lonnng/nano?status.svg)](https://godoc.org/github.com/lonnng/nano) [![Go Report Card](https://goreportcard.com/badge/github.com/lonnng/nano)](https://goreportcard.com/report/github.com/lonnng/nano)
+# Nano [![Build Status][1]][2] [![GoDoc][3]][4] [![Go Report Card][5]][6] [![MIT licensed][7]][8] 
+
+[1]: https://travis-ci.org/lonnng/nano.svg?branch=master
+[2]: https://travis-ci.org/lonnng/nano
+[3]: https://godoc.org/github.com/lonnng/nano?status.svg
+[4]: https://godoc.org/github.com/lonnng/nano
+[5]: https://goreportcard.com/badge/github.com/lonnng/nano
+[6]: https://goreportcard.com/report/github.com/lonnng/nano
+[7]: https://img.shields.io/badge/license-MIT-blue.svg
+[8]: LICENSE
 
 Nano is an easy to use, fast, lightweight game server networking library for Go.
 It provides a core network architecture and a series of tools and libraries that