diff --git a/README.en.md b/README.en.md
index 841b5eb..bad85c5 100644
--- a/README.en.md
+++ b/README.en.md
@@ -1,6 +1,7 @@
 <h1 align="center"><a href="https://github.com/xkcoding" target="_blank">Spring Boot Demo</a></h1>
 <p align="center">
   <a href="https://travis-ci.com/xkcoding/spring-boot-demo"><img alt="Travis-CI" src="https://travis-ci.com/xkcoding/spring-boot-demo.svg?branch=master"/></a>
+  <a href="https://app.codacy.com/app/xkcoding/spring-boot-demo?utm_source=github.com&utm_medium=referral&utm_content=xkcoding/spring-boot-demo&utm_campaign=Badge_Grade_Settings"><img alt="Codacy" src="https://api.codacy.com/project/badge/Grade/7249024341124ef880c598726fa10701"/></a>
   <a href="https://xkcoding.com"><img alt="author" src="https://img.shields.io/badge/author-Yangkai.Shen-blue.svg"/></a>
   <a href="https://www.oracle.com/technetwork/java/javase/downloads/index.html"><img alt="JDK" src="https://img.shields.io/badge/JDK-1.8.0_162-orange.svg"/></a>
   <a href="https://docs.spring.io/spring-boot/docs/2.1.0.RELEASE/reference/html/"><img alt="Spring Boot" src="https://img.shields.io/badge/Spring Boot-2.1.0.RELEASE-brightgreen.svg"/></a>
diff --git a/README.md b/README.md
index 0beb33f..905888a 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 <h1 align="center"><a href="https://github.com/xkcoding" target="_blank">Spring Boot Demo</a></h1>
 <p align="center">
   <a href="https://travis-ci.com/xkcoding/spring-boot-demo"><img alt="Travis-CI" src="https://travis-ci.com/xkcoding/spring-boot-demo.svg?branch=master"/></a>
+  <a href="https://app.codacy.com/app/xkcoding/spring-boot-demo?utm_source=github.com&utm_medium=referral&utm_content=xkcoding/spring-boot-demo&utm_campaign=Badge_Grade_Settings"><img alt="Codacy" src="https://api.codacy.com/project/badge/Grade/7249024341124ef880c598726fa10701"/></a>
   <a href="https://xkcoding.com"><img alt="author" src="https://img.shields.io/badge/author-Yangkai.Shen-blue.svg"/></a>
   <a href="https://www.oracle.com/technetwork/java/javase/downloads/index.html"><img alt="JDK" src="https://img.shields.io/badge/JDK-1.8.0_162-orange.svg"/></a>
   <a href="https://docs.spring.io/spring-boot/docs/2.1.0.RELEASE/reference/html/"><img alt="Spring Boot" src="https://img.shields.io/badge/Spring Boot-2.1.0.RELEASE-brightgreen.svg"/></a>