diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -2,13 +2,13 @@
 
 A push notification micro server using [Gin](https://github.com/gin-gonic/gin) framework written in Go (Golang).
 
-[![GoDoc](https://godoc.org/github.com/appleboy/gorush?status.svg)](https://godoc.org/github.com/appleboy/gorush) 
-[![Build Status](http://drone.wu-boy.com/api/badges/appleboy/gorush/status.svg)](http://drone.wu-boy.com/appleboy/gorush) 
-[![codecov](https://codecov.io/gh/appleboy/gorush/branch/master/graph/badge.svg)](https://codecov.io/gh/appleboy/gorush) 
-[![Go Report Card](https://goreportcard.com/badge/github.com/appleboy/gorush)](https://goreportcard.com/report/github.com/appleboy/gorush) 
-[![codebeat badge](https://codebeat.co/badges/0a4eff2d-c9ac-46ed-8fd7-b59942983390)](https://codebeat.co/projects/github-com-appleboy-gorush) 
-[![Docker Pulls](https://img.shields.io/docker/pulls/appleboy/gorush.svg)](https://hub.docker.com/r/appleboy/gorush/) 
-[![](https://images.microbadger.com/badges/image/appleboy/gorush.svg)](https://microbadger.com/images/appleboy/gorush "Get your own image badge on microbadger.com") 
+[![GoDoc](https://godoc.org/github.com/appleboy/gorush?status.svg)](https://godoc.org/github.com/appleboy/gorush)
+[![Build Status](http://drone.wu-boy.com/api/badges/appleboy/gorush/status.svg)](http://drone.wu-boy.com/appleboy/gorush)
+[![codecov](https://codecov.io/gh/appleboy/gorush/branch/master/graph/badge.svg)](https://codecov.io/gh/appleboy/gorush)
+[![Go Report Card](https://goreportcard.com/badge/github.com/appleboy/gorush)](https://goreportcard.com/report/github.com/appleboy/gorush)
+[![codebeat badge](https://codebeat.co/badges/0a4eff2d-c9ac-46ed-8fd7-b59942983390)](https://codebeat.co/projects/github-com-appleboy-gorush)
+[![Docker Pulls](https://img.shields.io/docker/pulls/appleboy/gorush.svg)](https://hub.docker.com/r/appleboy/gorush/)
+[![](https://images.microbadger.com/badges/image/appleboy/gorush.svg)](https://microbadger.com/images/appleboy/gorush "Get your own image badge on microbadger.com")
 [![Release](https://github-release-version.herokuapp.com/github/appleboy/gorush/release.svg?style=flat)](https://github.com/appleboy/gorush/releases/latest)
 
 ## Contents