diff --git a/.dotam/RELEASE b/.dotam/RELEASE
new file mode 100644
index 0000000..c07f30c
--- /dev/null
+++ b/.dotam/RELEASE
@@ -0,0 +1 @@
+{{version}}
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 849ddff..5e1dbcd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 dist/
+Dotamfile.demo.*
diff --git a/Dotamfile.hcl b/Dotamfile.hcl
index e9a53ba..511464c 100644
--- a/Dotamfile.hcl
+++ b/Dotamfile.hcl
@@ -6,20 +6,28 @@ temp "Tempfile" {
     }
 }
 
+temp "RELEASE" {
+    src = ".dotam/RELEASE"
+    dest = "."
+    var {
+        version = "{{versions.release}}"
+    }
+}
+
 git "dev" {
     add_type = "u"
     commit = ""
 }
 
-docker {
-    repo = "deoops/dotam"
-    tag = "{{versions.prod}}"
+// docker {
+//     repo = "deoops/dotam"
+//     tag = "{{versions.prod}}"
     
-    auth {
-        username = "tom"
-        password = "pass"
-    }
-}
+//     auth {
+//         username = "tom"
+//         password = "pass"
+//     }
+// }
 
 var "data" {
     temp = "foo"
@@ -27,6 +35,7 @@ var "data" {
 
 var "versions" {
     prod = "v0.1.1"
+    release = "v0.1.3-beta"
 }
 
 arg "reg_user" {
diff --git a/Makefile b/Makefile
index f6b1d44..6429ddf 100644
--- a/Makefile
+++ b/Makefile
@@ -8,6 +8,10 @@ install:
 test:
 	go test -v -count=1
 
-.PHONY: run-dev
-run-dev:
-	LOG_LEVEL=debug go run . build
\ No newline at end of file
+.PHONY: run-dev-build
+run-dev-build:
+	LOG_LEVEL=debug go run . build
+
+.PHONY: run-dev-init
+run-dev-init:
+	LOG_LEVEL=debug go run . init
\ No newline at end of file
diff --git a/README.md b/README.md
index 36e8543..5f880d2 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,7 @@ Dotam 读法 dot-am, 原意为dotfiles automation。
         - [运行](#运行)
         - [初始化](#初始化)
     - [注意及常见问题](#注意及常见问题)
+        - [获取支持](#获取支持)
         - [语法冲突](#语法冲突)
 
 <!-- /TOC -->
@@ -174,6 +175,13 @@ make install
 
 ## 注意及常见问题
 
+
+### 获取支持
+
+* 你可以随时发送邮件到techmesh@aliyun.com来获取支持，我会在检查邮件时尽快回复。
+* 你也可以通过邮件来索要我的个人微信来获取即时支持。
+
+
 ### 语法冲突
 
 如果模板中还有一些用于其他工具的模板标记比如我们的`.drone.yml`中用于slack插件的`{{#success}}`语法，这个会和项目自带的
diff --git a/RELEASE b/RELEASE
new file mode 100644
index 0000000..f2d1506
--- /dev/null
+++ b/RELEASE
@@ -0,0 +1 @@
+v0.1.3-beta
\ No newline at end of file
diff --git a/const.go b/const.go
index 7e1f198..7bde7a1 100644
--- a/const.go
+++ b/const.go
@@ -2,5 +2,8 @@ package main
 
 const SETTINGS_PREFIX = "DOTAM_"
 const DEFAULT_DOTAMFILE = "Dotamfile.hcl"
+const DEMO_YAML = "Dotamfile.demo.yml"
+const DEMO_JSON = "Dotamfile.demo.json"
+const DEMO_HCL = "Dotamfile.demo.hcl"
 
 var DEFAULT_DOTAMFILES = [3]string{"Dotamfile.hcl", "Dotamfile.yml", "Dotamfile.json"}
diff --git a/demohcl.go b/demohcl.go
new file mode 100644
index 0000000..f3ee377
--- /dev/null
+++ b/demohcl.go
@@ -0,0 +1,27 @@
+package main
+
+var DemoHcl = string(`
+temp "RELEASE" {
+    src = ".dotam/RELEASE"
+    dest = "."
+    var {
+        version = "{{versions.release}}"
+    }
+}
+
+docker {
+    repo = "deoops/dotam"
+    tag = "{{versions.release}}"
+    
+    auth {
+        username = "tom"
+        password = "some key takes you home"
+    }
+}
+
+var "versions" {
+    prod = "v0.1.1"
+    release = "v0.1.3-beta"
+}
+
+`)
diff --git a/demojson.go b/demojson.go
new file mode 100644
index 0000000..2de6a94
--- /dev/null
+++ b/demojson.go
@@ -0,0 +1,31 @@
+package main
+
+var DemoJson = string(`
+{
+	"temp": {
+		"RELEASE": {
+			"src": ".dotam/RELEASE",
+			"dest": ".",
+			"var": {
+				"version": "{{versions.release}}"
+			}
+		}
+	}, 
+	"docker": {
+		"repo": "deoops/dotam",
+		"tag": "{{versions.release}}",
+		"auth": {
+			"username": "tom",
+			"password": "some key takes you home"
+		}
+	}, 
+	"var": {
+		"versions": {
+			"prod": "v0.1.0",
+			"release": "v0.1.3-beta",
+		}
+	}
+
+}
+
+`)
diff --git a/demoyaml.go b/demoyaml.go
new file mode 100644
index 0000000..9d33930
--- /dev/null
+++ b/demoyaml.go
@@ -0,0 +1,23 @@
+package main
+
+var DemoYaml = string(`
+temp:
+  RELEASE:
+    src: ".dotam/RELEASE"
+    dest: "."
+    var:
+      version: "{{versions.release}}"
+
+docker: 
+  repo: "deoops/dotam"
+  tag: "{{versions.release}}"
+  auth:
+    username: tom
+    password: "some key takes you home"
+
+var:
+  versions:
+    prod: "v0.1.0"
+    release: "v0.1.3-beta"
+
+`)
diff --git a/example/.dotam/Makefile b/example/.dotam/Makefile
index 97c6dfc..0f14a42 100644
--- a/example/.dotam/Makefile
+++ b/example/.dotam/Makefile
@@ -10,4 +10,8 @@ test:
 
 .PHONY: run-dev
 run-dev:
-	LOG_LEVEL=debug go run . build
\ No newline at end of file
+	LOG_LEVEL=debug go run . build
+
+.PHONY: run-dev-init
+run-dev-init:
+	LOG_LEVEL=debug go run . init
\ No newline at end of file
diff --git a/init.go b/init.go
index be2c43e..2a4d5e6 100644
--- a/init.go
+++ b/init.go
@@ -1,8 +1,8 @@
 package main
 
 import (
-	"github.com/flosch/pongo2"
-	"github.com/hashicorp/hcl"
+	"strings"
+
 	"github.com/mitchellh/cli"
 	log "github.com/sirupsen/logrus"
 )
@@ -18,51 +18,52 @@ func (r InitCmd) Help() string {
 	return "this is help message"
 }
 
-func (r InitCmd) Run(args []string) int {
-	var dotamFile string
-	var renderData pongo2.Context
+func (r InitCmd) Run(args []string) (exitCode int) {
+	var destFile string
+	var destData string
+	var err error
+
+	defer func() {
+		if err != nil {
+			log.Error(err)
+			exitCode = -1
+			return
+		}
+		log.Infof("Congratulations! %s generated.", destFile)
+	}()
+	log.WithFields(log.Fields{"CMD INIT": "RUN"}).Debug(args)
 
+	// gen hcl as default
 	if len(args) == 0 {
-		dotamFile = Abs("Dotamfile.hcl")
+		destFile = DEMO_HCL
+		if err = genDemoFile(DemoHcl, destFile); err != nil {
+			return
+		}
 	} else {
-		dotamFile = Abs(args[0])
-	}
-
-	data := ReadFile(dotamFile)
-	config := DotamConf{}
-	err := hcl.Decode(&config, string(data))
-	if err != nil {
-		log.Error(err)
-	}
-
-	if config.Var != nil {
-		renderData = VarToTplContext(config.Var)
-	}
-
-	newDotamSrc, err := Render(string(data), renderData)
-	if err != nil {
-		log.Error(err)
-		return -1
+		// TODO maybe we need a better parser
+		switch strings.Join(args, "") {
+		case "-tyaml", "-tyml":
+			destFile = DEMO_YAML
+			destData = DemoYaml
+		case "-thcl":
+			destFile = DEMO_HCL
+			destData = DemoHcl
+		case "-tjson":
+			destFile = DEMO_JSON
+			destData = DemoJson
+		}
+		log.Debug(destFile)
+		genDemoFile(destData, destFile)
 	}
-	log.Debug(newDotamSrc)
 
-	newConfig := DotamConf{}
-	err = hcl.Decode(&newConfig, newDotamSrc)
-	if err != nil {
-		panic(err)
-	}
-
-	// log.Debug(newConfig.Temp)
-	if err = RunTasks(newConfig); err != nil {
-		log.Error(err)
-		return -1
-	}
-
-	log.Info("Congratulations! All works done!")
-
-	return 0
+	return
 }
 
 func (r InitCmd) Synopsis() string {
-	return "initial a demo conf file in current dir"
+	return string(`initial a demo conf file in current dir, as default it will generate a .hcl file, for specific format use: -t [yaml|yml, json, hcl]	
+	`)
+}
+
+func genDemoFile(data, file string) error {
+	return WriteFile(data, file)
 }
diff --git a/main.go b/main.go
index d66338a..ab3e64d 100644
--- a/main.go
+++ b/main.go
@@ -8,8 +8,10 @@ import (
 )
 
 var CWD string
+var RELEASE_VERSION []byte
 
 func init() {
+	RELEASE_VERSION = ReadFile("RELEASE")
 	CWD, _ = os.Getwd()
 	initLogLevel()
 }
@@ -18,10 +20,8 @@ func initLogLevel() {
 	level := os.Getenv("LOG_LEVEL")
 
 	if level != "debug" {
-		// fmt.Println("log at error level")
 		log.SetLevel(log.InfoLevel)
 	} else {
-		// fmt.Println("log at debug level")
 		log.SetLevel(log.DebugLevel)
 	}
 
@@ -34,7 +34,7 @@ func main() {
 }
 
 func initCli() {
-	c := cli.NewCLI("dotam", "1.0.0-beta")
+	c := cli.NewCLI("dotam", string(RELEASE_VERSION))
 	c.Args = os.Args[1:]
 
 	c.Commands = map[string]cli.CommandFactory{