fix badge format

README.md

@@ -1,6 +1,7 @@
 # Hexo
 
-[![Build Status](https://travis-ci.org/hexojs/hexo.svg?branch=master)](https://travis-ci.org/hexojs/hexo)  [![NPM version](https://badge.fury.io/js/hexo.svg)](http://badge.fury.io/js/hexo) [![Coverage Status](https://coveralls.io/repos/hexojs/hexo/badge.svg?branch=master)](https://coveralls.io/r/hexojs/hexo?branch=master) [![Build status](https://ci.appveyor.com/api/projects/status/hpx3lduqjj2t6uqq/branch/master?svg=true)](https://ci.appveyor.com/project/tommy351/hexo/branch/master) [![Gitter](https://badges.gitter.im/hexojs/hexo.svg)](https://gitter.im/hexojs/hexo?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge) [![Discord Chat](https://img.shields.io/badge/chat-on%20discord-7289da.svg)](https://discord.gg/teM2Anj)[![dependencies Status](https://david-dm.org/hexojs/hexo/status.svg)](https://david-dm.org/hexojs/hexo)[![devDependencies Status](https://david-dm.org/hexojs/hexo/dev-status.svg)](https://david-dm.org/hexojs/hexo?type=dev)
+[![Build Status](https://travis-ci.org/hexojs/hexo.svg?branch=master)](https://travis-ci.org/hexojs/hexo)  [![NPM version](https://badge.fury.io/js/hexo.svg)](http://badge.fury.io/js/hexo) [![Coverage Status](https://coveralls.io/repos/hexojs/hexo/badge.svg?branch=master)](https://coveralls.io/r/hexojs/hexo?branch=master) [![Build status](https://ci.appveyor.com/api/projects/status/hpx3lduqjj2t6uqq/branch/master?svg=true)](https://ci.appveyor.com/project/tommy351/hexo/branch/master) [![Gitter](https://badges.gitter.im/hexojs/hexo.svg)](https://gitter.im/hexojs/hexo?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge) [![Discord Chat](https://img.shields.io/badge/chat-on%20discord-7289da.svg)](https://discord.gg/teM2Anj)
+[![dependencies Status](https://david-dm.org/hexojs/hexo/status.svg)](https://david-dm.org/hexojs/hexo) [![devDependencies Status](https://david-dm.org/hexojs/hexo/dev-status.svg)](https://david-dm.org/hexojs/hexo?type=dev)
 
 A fast, simple & powerful blog framework, powered by [Node.js](http://nodejs.org).