diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..330df36
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,15 @@
+language: go
+
+sudo: false
+
+go: 
+  - 1.11.x
+  - 1.12.x
+  - 1.13.x
+
+install:
+  - go get -v -t ./builder
+
+script:
+  - go test ./builder -race  -covermode=atomic
+
diff --git a/README.md b/README.md
index 32c668f..9bf782c 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,8 @@
 # QueryBuilder
+
+[![Build Status](https://travis-ci.org/wazsmwazsm/QueryBuilder.svg?branch=master)](https://travis-ci.org/wazsmwazsm/QueryBuilder)
+
+
 A sql query builder for golang
 
 # mission
diff --git a/example/aggregate_func.go b/example/aggregate_func.go
deleted file mode 100644
index 2c3a2e9..0000000
--- a/example/aggregate_func.go
+++ /dev/null
@@ -1,22 +0,0 @@
-package main
-
-import (
-	"github.com/wazsmwazsm/QueryBuilder/builder"
-	"log"
-)
-
-func main() {
-	sb := builder.NewSQLBuilder()
-
-	sql, err := sb.Table("`test`").
-		Select("count(`age`)", "`username`").
-		GetQuerySQL()
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	params := sb.GetQueryParams()
-
-	log.Println(sql)    // SELECT count(`age`), `username` FROM `test`
-	log.Println(params) // []
-}