diff --git a/README.md b/README.md
index 4c0e3716..3b414c6f 100644
--- a/README.md
+++ b/README.md
@@ -33,6 +33,8 @@ Congratulations! You've just built your first **beego** app.
 
 ###### Please see [Documentation](http://beego.me/docs) for more.
 
+###### [beego-example](https://github.com/beego-dev/beego-example)
+
 ## Features
 
 * RESTful support
diff --git a/go.mod b/go.mod
index 695195f5..9cea26e7 100644
--- a/go.mod
+++ b/go.mod
@@ -23,10 +23,10 @@ require (
 	github.com/mattn/go-sqlite3 v2.0.3+incompatible
 	github.com/pelletier/go-toml v1.2.0 // indirect
 	github.com/pingcap/tidb v2.0.11+incompatible // indirect
-	github.com/pkg/errors v0.8.0 // indirect
 	github.com/prometheus/client_golang v1.7.0
 	github.com/shiena/ansicolor v0.0.0-20151119151921-a422bbe96644
 	github.com/ssdb/gossdb v0.0.0-20180723034631-88f6b59b84ec
+	github.com/stretchr/testify v1.4.0
 	github.com/syndtr/goleveldb v0.0.0-20181127023241-353a9fca669c // indirect
 	github.com/wendal/errors v0.0.0-20130201093226-f66c77a7882b // indirect
 	golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550
diff --git a/go.sum b/go.sum
index fd840f2e..b1a5eb58 100644
--- a/go.sum
+++ b/go.sum
@@ -40,6 +40,7 @@ github.com/couchbase/goutils v0.0.0-20180530154633-e865a1461c8a/go.mod h1:BQwMFl
 github.com/cupcake/rdb v0.0.0-20161107195141-43ba34106c76 h1:Lgdd/Qp96Qj8jqLpq2cI1I1X7BJnu06efS+XkhRoLUQ=
 github.com/cupcake/rdb v0.0.0-20161107195141-43ba34106c76/go.mod h1:vYwsqCOLxGiisLwp9rITslkFNpZD5rz43tf41QFkTWY=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/edsrzf/mmap-go v0.0.0-20170320065105-0bce6a688712 h1:aaQcKT9WumO6JEJcRyTqFVq4XUZiUcKR2/GI31TOcz8=
 github.com/edsrzf/mmap-go v0.0.0-20170320065105-0bce6a688712/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaBNrHW5M=
@@ -123,6 +124,7 @@ github.com/pingcap/tidb v2.0.11+incompatible/go.mod h1:I8C6jrPINP2rrVunTRd7C9fRR
 github.com/pkg/errors v0.8.0 h1:WdK/asTD0HN+q6hsWO3/vpuAkAr+tw6aNJNDFFf0+qw=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
 github.com/prometheus/client_golang v1.0.0/go.mod h1:db9x61etRT2tGnBNRi70OPL5FsnadC4Ky3P0J6CfImo=
@@ -158,6 +160,7 @@ github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/syndtr/goleveldb v0.0.0-20160425020131-cfa635847112/go.mod h1:Z4AUp2Km+PwemOoO/VB5AOx9XSsIItzFjoJlOSiYmn0=
 github.com/syndtr/goleveldb v0.0.0-20181127023241-353a9fca669c h1:3eGShk3EQf5gJCYW+WzA0TEJQd37HLOmlYF7N0YJwv0=
diff --git a/logs/es/es.go b/logs/es/es.go
index d2281afb..4ad29cb3 100644
--- a/logs/es/es.go
+++ b/logs/es/es.go
@@ -23,6 +23,12 @@ func NewES() logs.Logger {
 	return cw
 }
 
+// esLogger will log msg into ES
+// before you using this implementation,
+// please import this package
+// usually means that you can import this package in your main package
+// for example, anonymous:
+// _ import github.com/astaxie/beego/logs/es
 type esLogger struct {
 	*elasticsearch.Client
 	DSN   string `json:"dsn"`
@@ -43,7 +49,7 @@ func (el *esLogger) Init(jsonconfig string) error {
 		return errors.New("missing prefix")
 	} else {
 		conn, err := elasticsearch.NewClient(elasticsearch.Config{
-			Addresses: []string{u.Host},
+			Addresses: []string{el.DSN},
 		})
 		if err != nil {
 			return err