feat: improve document and close doocs#199

README.md

@@ -4,6 +4,8 @@
 [![license](https://badgen.net/github/license/doocs/advanced-java?color=green)](https://github.com/doocs/advanced-java/blob/master/LICENSE)
 [![PRs Welcome](https://badgen.net/badge/PRs/welcome/green)](http://makeapullrequest.com)
 [![doocs](https://badgen.net/badge/organization/join%20us/green)](https://doocs.github.io/#/?id=how-to-join)
+[![github](https://badgen.net/badge/⭐/GitHub/blue)](https://github.com/doocs/advanced-java)
+[![gitee](https://badgen.net/badge/⭐/Gitee/blue)](https://gitee.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)
 [![contributors](https://badgen.net/github/contributors/doocs/advanced-java)](https://github.com/doocs/advanced-java/tree/master/docs/from-readers#contributors)