diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2146ae3..b7c1b69 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,10 @@
 # CHANGELOG
 
-## v2.1.0
+## v1.2.0
+
+### Refactor
+
+- project layout
 
 ### Added
 
@@ -8,12 +12,6 @@
 - validate function
 - .editconfig file
 
-## v2.0.0
-
-### Refactor
-
-- project layout
-
 ## v1.1.1
 
 ### Fixed
diff --git a/Makefile b/Makefile
index 004058a..3c93521 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@ BASEDIR = $(shell pwd)
 export GO111MODULE=on
 
 APP_NAME=dingtalk
-APP_VERSION=2.1.0
+APP_VERSION=1.2.0
 IMAGE_NAME="catchzeng/${APP_NAME}:${APP_VERSION}"
 IMAGE_LATEST="catchzeng/${APP_NAME}:latest"
 
diff --git a/cmd/dingtalk/version.go b/cmd/dingtalk/version.go
index 6f31fe8..5dc72ac 100644
--- a/cmd/dingtalk/version.go
+++ b/cmd/dingtalk/version.go
@@ -1,12 +1,17 @@
 package dingtalk
 
 import (
-	"github.com/CatchZeng/gutils/version"
 	"log"
 
+	v "github.com/CatchZeng/gutils/version"
 	"github.com/spf13/cobra"
 )
 
+const (
+	version   = "1.2.0"
+	buildTime = "2020/09/15"
+)
+
 // versionCmd represents the version command
 var versionCmd = &cobra.Command{
 	Use:   "version",
@@ -16,7 +21,7 @@ var versionCmd = &cobra.Command{
 }
 
 func runVersionCmd(_ *cobra.Command, _ []string) {
-	v := version.Stringify("2.1.0", "2020/08/21")
+	v := v.Stringify(version, buildTime)
 	log.Println(v)
 }
 
diff --git a/cmd/dingtalk/version_test.go b/cmd/dingtalk/version_test.go
index 3375080..2734f90 100644
--- a/cmd/dingtalk/version_test.go
+++ b/cmd/dingtalk/version_test.go
@@ -2,12 +2,13 @@ package dingtalk
 
 import (
 	"bytes"
-	"github.com/CatchZeng/gutils/version"
 	"log"
 	"os"
 	"strings"
 	"testing"
 
+	v "github.com/CatchZeng/gutils/version"
+
 	"github.com/spf13/cobra"
 )
 
@@ -20,7 +21,7 @@ func Test_runVersionCmd(t *testing.T) {
 	runVersionCmd(&cobra.Command{}, []string{})
 	got := buf.String()
 
-	want := version.Stringify("2.1.0", "2020/08/21")
+	want := v.Stringify(version, buildTime)
 
 	if !strings.Contains(got, want) {
 		t.Errorf("runVersionCmd() = %v, want %v", got, want)