diff --git a/.gitignore b/.gitignore
index 25f2ea8..60900af 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,4 +5,5 @@ nohup.out
 build_config.mk
 var*
 *.log
-bin
\ No newline at end of file
+bin
+coverage.out
\ No newline at end of file
diff --git a/.travis.yml b/.travis.yml
index 911b641..dbb3369 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,3 +6,4 @@ go:
 script:
   - make vet
   - make test
+  - bash <(curl -s https://codecov.io/bash)
diff --git a/Makefile b/Makefile
index 82dab6a..41fd234 100644
--- a/Makefile
+++ b/Makefile
@@ -26,7 +26,7 @@ vet:
 	go vet -mod=vendor -tags '$(GO_BUILD_TAGS)' ./...
 
 test:
-	go test -mod=vendor --race -tags '$(GO_BUILD_TAGS)' -timeout 2m $$(go list ./... | grep -v -e /vendor/)
+	go test -mod=vendor --race -tags '$(GO_BUILD_TAGS)' -cover -coverprofile coverage.out -timeout 2m $$(go list ./... | grep -v -e /vendor/)
 
 clean:
 	go clean -i ./...
diff --git a/README.md b/README.md
index 6c08de7..07abccd 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 # LedisDB 
 
-[![Build Status](https://travis-ci.org/ledisdb/ledisdb.svg?branch=develop)](https://travis-ci.org/ledisdb/ledisdb)
+[![Build Status](https://travis-ci.org/ledisdb/ledisdb.svg?branch=develop)](https://travis-ci.org/siddontang/ledisdb) 
+
+[![codecov](https://codecov.io/gh/ledisdb/ledisdb/branch/master/graph/badge.svg)](https://codecov.io/gh/ledisdb/ledisdb)
 
 Ledisdb is a high-performance NoSQL database, similar to Redis, written in [Go](http://golang.org/). It supports many data structures including kv, list, hash, zset, set.