docs: update README

yanglbme · yanglbme · commit 6c6d0081fe60 · 2019-02-25T16:20:51.000+08:00
diff --git a/README.md b/README.md
@@ -1,10 +1,10 @@
 # 互联网 Java 工程师进阶知识完全扫盲
-[![license](https://img.shields.io/badge/license-Attribution--NonCommercial%204.0%20-brightgreen.svg)](https://github.com/doocs/advanced-java/blob/master/LICENSE)
-[![original](https://img.shields.io/badge/original-%E4%B8%AD%E5%8D%8E%E7%9F%B3%E6%9D%89-orange.svg)](https://github.com/doocs/advanced-java)
-[![stars](https://img.shields.io/github/stars/doocs/advanced-java.svg)](https://github.com/doocs/advanced-java/stargazers)
-[![forks](https://img.shields.io/github/forks/doocs/advanced-java.svg)](https://github.com/doocs/advanced-java/network/members)
-[![issues](https://img.shields.io/github/issues/doocs/advanced-java.svg)](https://github.com/doocs/advanced-java/issues)
-[![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)](http://makeapullrequest.com)
+[![license](https://badgen.net/badge/license/Attribution-NonCommercial%204.0/green)](https://github.com/doocs/advanced-java/blob/master/LICENSE)
+[![original](https://badgen.net/badge/original/%E4%B8%AD%E5%8D%8E%E7%9F%B3%E6%9D%89/orange)](https://github.com/doocs/advanced-java)
+[![stars](https://badgen.net/github/stars/doocs/advanced-java)](https://github.com/doocs/advanced-java/stargazers)
+[![forks](https://badgen.net/github/forks/doocs/advanced-java)](https://github.com/doocs/advanced-java/network/members)
+[![issues](https://badgen.net/github/open-issues/doocs/advanced-java)](https://github.com/doocs/advanced-java/issues)
+[![PRs Welcome](https://badgen.net/badge/PRs/welcome/green)](http://makeapullrequest.com)
 
 本系列知识出自中华石杉，内容涵盖[高并发](#高并发架构)、[分布式](#分布式系统)、[高可用](#高可用架构)、[微服务](#微服务架构)等领域知识。我对这部分知识做了一个[系统的整理](https://github.com/doocs/advanced-java/issues/1)，方便学习查阅。配合《大型网站技术架构——李智慧》食用，[效果更佳](https://doocs.github.io/advanced-java/#/offer)。
 
