Fix README.md (#690)

* [skip ci]#668 - Update badge of README

* Fix README.md

* Fix README.md

README.md

@@ -8,7 +8,8 @@
 ![Release](https://img.shields.io/badge/release-v0.6.0-yellowgreen)
 ![Release_date](https://img.shields.io/badge/release%20date-December-yellowgreen)
 [![codecov](https://codecov.io/gh/milvus-io/milvus/branch/master/graph/badge.svg)](https://codecov.io/gh/milvus-io/milvus)
-<!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->[![All Contributors](https://img.shields.io/badge/all_contributors-1-orange.svg?style=flat-square)](#contributors-)
+<!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
+[![All Contributors](https://img.shields.io/badge/all_contributors-1-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 [中文版](README_CN.md) | [日本語版](README_JP.md)