diff --git a/README.md b/README.md
index e0eede4..5a9c889 100644
--- a/README.md
+++ b/README.md
@@ -1,25 +1,25 @@
-# cod-recover
+# elton-recover
 
-[![Build Status](https://img.shields.io/travis/vicanso/cod-recover.svg?label=linux+build)](https://travis-ci.org/vicanso/cod-recover)
+[![Build Status](https://img.shields.io/travis/vicanso/elton-recover.svg?label=linux+build)](https://travis-ci.org/vicanso/elton-recover)
 
 
-Recover middleware for cod, it can get panic error to avoid application crash.
+Recover middleware for elton, it can get panic error to avoid application crash.
 
 ```go
 package main
 
 import (
-	"github.com/vicanso/cod"
+	"github.com/vicanso/elton"
 
-	recover "github.com/vicanso/cod-recover"
+	recover "github.com/vicanso/elton-recover"
 )
 
 func main() {
-	d := cod.New()
+	d := elton.New()
 
 	d.Use(recover.New())
 
-	d.GET("/", func(c *cod.Context) (err error) {
+	d.GET("/", func(c *elton.Context) (err error) {
 		panic("abcd")
 	})
 
diff --git a/go.mod b/go.mod
index e1c5110..9f87297 100644
--- a/go.mod
+++ b/go.mod
@@ -1,9 +1,9 @@
-module github.com/vicanso/cod-recover
+module github.com/vicanso/elton-recover
 
 go 1.12
 
 require (
 	github.com/stretchr/testify v1.3.0
-	github.com/vicanso/cod v0.1.5
+	github.com/vicanso/elton v0.2.0
 	github.com/vicanso/hes v0.2.1
 )
diff --git a/go.sum b/go.sum
index e250e52..c2e96a9 100644
--- a/go.sum
+++ b/go.sum
@@ -7,9 +7,8 @@ github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZN
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/vicanso/cod v0.1.5 h1:KqdTAo1TzUa+iYbdzg1INEAZCG4pvxHkwmwKac5RLz8=
-github.com/vicanso/cod v0.1.5/go.mod h1:T5GOazXuYrwwE1qMA0G3zka7NVwwkoL2fYIWNfeEpJw=
-github.com/vicanso/hes v0.1.4/go.mod h1:bG0UJ3EihDKObFcLLwJYjxHHr9saFllsFcepyDIvFlo=
+github.com/vicanso/elton v0.2.0 h1:QlXgmq6m+9wZN7FeLD25/EhBkl8blzppviVY5U5PTm0=
+github.com/vicanso/elton v0.2.0/go.mod h1:ynAUOSkZQ+pFaUsxlG5hYnJFjPpMwz8YyEBPzNh0pSg=
 github.com/vicanso/hes v0.2.1 h1:jRFEADmiQ30koVY/sKwlkhyXM5B3QbVVizLqrjNJgPw=
 github.com/vicanso/hes v0.2.1/go.mod h1:QcxOFmFfBQMhASTaLgnFayXYCgevdSeBVprt+o+3eKo=
 github.com/vicanso/keygrip v0.1.0 h1:/zYzoVIbREAvaxSM7bo3/oSXuuYztaP71dPBfhRoNkM=
diff --git a/recover.go b/recover.go
index c4d1255..47e42c4 100644
--- a/recover.go
+++ b/recover.go
@@ -20,17 +20,17 @@ import (
 
 	"github.com/vicanso/hes"
 
-	"github.com/vicanso/cod"
+	"github.com/vicanso/elton"
 )
 
 const (
 	// ErrCategory recover error category
-	ErrCategory = "cod-recover"
+	ErrCategory = "elton-recover"
 )
 
 // New new recover
-func New() cod.Handler {
-	return func(c *cod.Context) error {
+func New() elton.Handler {
+	return func(c *elton.Context) error {
 		defer func() {
 			// 可针对实际需求调整，如对于每个recover增加邮件通知等
 			if r := recover(); r != nil {
@@ -40,13 +40,13 @@ func New() cod.Handler {
 					he.Category = ErrCategory
 					err = he
 				}
-				c.Cod().EmitError(c, err)
+				c.Elton().EmitError(c, err)
 				// 出错时清除部分响应头
 				for _, key := range []string{
-					cod.HeaderETag,
-					cod.HeaderLastModified,
-					cod.HeaderContentEncoding,
-					cod.HeaderContentLength,
+					elton.HeaderETag,
+					elton.HeaderLastModified,
+					elton.HeaderContentEncoding,
+					elton.HeaderContentLength,
 				} {
 					c.SetHeader(key, "")
 				}
diff --git a/recover_test.go b/recover_test.go
index 3605ca6..1c87498 100644
--- a/recover_test.go
+++ b/recover_test.go
@@ -8,38 +8,38 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
-	"github.com/vicanso/cod"
+	"github.com/vicanso/elton"
 )
 
 func TestRecover(t *testing.T) {
 	assert := assert.New(t)
-	var ctx *cod.Context
-	d := cod.New()
+	var ctx *elton.Context
+	d := elton.New()
 	d.Use(New())
-	d.GET("/", func(c *cod.Context) error {
+	d.GET("/", func(c *elton.Context) error {
 		ctx = c
 		panic("abc")
 	})
 	req := httptest.NewRequest("GET", "https://aslant.site/", nil)
 	resp := httptest.NewRecorder()
 	keys := []string{
-		cod.HeaderETag,
-		cod.HeaderLastModified,
-		cod.HeaderContentEncoding,
-		cod.HeaderContentLength,
+		elton.HeaderETag,
+		elton.HeaderLastModified,
+		elton.HeaderContentEncoding,
+		elton.HeaderContentLength,
 	}
 	for _, key := range keys {
 		resp.Header().Set(key, "a")
 	}
 
 	catchError := false
-	d.OnError(func(_ *cod.Context, _ error) {
+	d.OnError(func(_ *elton.Context, _ error) {
 		catchError = true
 	})
 
 	d.ServeHTTP(resp, req)
 	assert.Equal(resp.Code, http.StatusInternalServerError)
-	assert.Equal(resp.Body.String(), "category=cod-recover, message=abc")
+	assert.Equal(resp.Body.String(), "category=elton-recover, message=abc")
 	assert.True(ctx.Committed)
 	assert.True(catchError)
 	for _, key := range keys {