readme up version

Author: saleson

README.md

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 [![License](https://img.shields.io/badge/license-Apache%202-blue.svg)](https://www.apache.org/licenses/LICENSE-2.0.html)
 [![A Release](https://img.shields.io/badge/release-A.1.1.3-blue)](https://github.com/SpringCloud/spring-cloud-gray/releases/tag/A.1.1.2)
-[![B Release](https://img.shields.io/badge/release-B.0.0.3-blue)](https://github.com/SpringCloud/spring-cloud-gray/releases/tag/B.0.0.2)
-[![B Release](https://img.shields.io/badge/release-C.0.0.2-blue)](https://github.com/SpringCloud/spring-cloud-gray/releases/tag/C.0.0.1)
+[![B Release](https://img.shields.io/badge/release-B.0.0.4-blue)](https://github.com/SpringCloud/spring-cloud-gray/releases/tag/B.0.0.2)
+[![B Release](https://img.shields.io/badge/release-C.0.0.3-blue)](https://github.com/SpringCloud/spring-cloud-gray/releases/tag/C.0.0.1)
 
 ## 介绍
 Spring Cloud Gray 是一套开源的微服务灰度路由解决方案，它由spring-cloud-gray-client，spring-cloud-gray-client-netflix 和 spring-cloud-tray-server，spring-cloud-gray-webui组成。<br/>