Add covers all icon.

 [![Coverage Status](https://coveralls.io/repos/github/apache/rocketmq-spring/badge.svg?branch=master)](https://coveralls.io/github/apache/rocketmq-spring?branch=master)
diff --git a/README.md b/README.md
index 6a37a7b..38e2f81 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# RocketMQ-Spring [![Build Status](https://travis-ci.org/apache/rocketmq-spring.svg?branch=master)](https://travis-ci.org/apache/rocketmq-spring)
+# RocketMQ-Spring [![Build Status](https://travis-ci.org/apache/rocketmq-spring.svg?branch=master)](https://travis-ci.org/apache/rocketmq-spring) [![Coverage Status](https://coveralls.io/repos/github/apache/rocketmq-spring/badge.svg?branch=master)](https://coveralls.io/github/apache/rocketmq-spring?branch=master)
 
 [![Maven Central](https://maven-badges.herokuapp.com/maven-central/org.apache.rocketmq/rocketmq-spring-all/badge.svg)](http://search.maven.org/#search%7Cga%7C1%7Cg:org.apache.rocketmq)
 [![GitHub release](https://img.shields.io/badge/release-download-orange.svg)](https://github.com/apache/rocketmq-spring/releases)