diff --git a/Makefile b/Makefile
index 51e0fa4..12bda87 100644
--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,7 @@ lint:
 
 .PHONY: install
 install:
-	echo install scala
+	sbt
 
 .PHONY: test
 test:
@@ -25,7 +25,7 @@ test:
 
 .PHONY: bot
 bot:
-	scala examples/ding-dong-bot.scala
+	sbt
 
 .PHONY: version
 version:
diff --git a/README.md b/README.md
index 6799fcd..51f8723 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,10 @@ Wechaty is a RPA SDK for Wechat **Individual** Account that can help you create
 
 ## Requirements
 
-1. Scala
+1. sbt
+   https://www.scala-sbt.org/1.x/docs/Setup.html
+2. Scala 2.12.x
+   https://www.scala-lang.org/download/scala2.html
 
 ## Quick Start
 
@@ -32,20 +35,14 @@ Wechaty is a RPA SDK for Wechat **Individual** Account that can help you create
    make install
    ```
 
-3. Set token for your bot
-
-    ```sh
-    # it must be hostie token
-    export WECHATY_PUPPET=wechaty-puppet-hostie
-    export WECHATY_PUPPET_HOSTIE_TOKEN=your_token_at_here
-    ```
-
-4. Run the bot
+4. Set token and Run the bot
 
    ```shell
    make bot
-   # or
-   scala examples/ding-dong-bot.scala
+   # Make sure you are in the sbt console
+   # It must be hostie token
+   eval System.setProperty("WECHATY_PUPPET_HOSTIE_TOKEN", "your_token_at_here")
+   run
    ```
 
 ## The World's Shortest Scala ChatBot: 6 lines of Code
diff --git a/build.sbt b/build.sbt
new file mode 100644
index 0000000..251d2c8
--- /dev/null
+++ b/build.sbt
@@ -0,0 +1,10 @@
+name := "scala-sbt-wechaty-getting-started"
+
+version := "0.1"
+
+scalaVersion := "2.12.14"
+
+val wechaty = "io.github.wechaty" %% "wechaty" % "0.0.15"
+val apacheCommons = "org.apache.commons" % "commons-text" % "1.9"
+
+libraryDependencies ++= Seq(wechaty,  apacheCommons)
\ No newline at end of file
diff --git a/examples/ding-dong-bot.scala b/examples/ding-dong-bot.scala
deleted file mode 100755
index f1448c8..0000000
--- a/examples/ding-dong-bot.scala
+++ /dev/null
@@ -1,36 +0,0 @@
-package wechaty
-
-import wechaty.puppet.schemas.Message.MessageType
-
-/**
-  *
-  * @author <a href="mailto:jcai@ganshane.com">Jun Tsai</a>
-  * @since 2020-06-02
-  */
-object DingDongBot {
-  def main(args: Array[String]): Unit = {
-    val option = new WechatyOptions
-    val bot = Wechaty.instance(option)
-    bot
-      .onScan(payload => {
-        println("Scan QR Code to login: %s\nhttps://api.qrserver.com/v1/create-qr-code/?data=%s\n".format(payload.status, payload.qrcode))
-      })
-      .onLogin(payload => {
-        println("User %s logined\n".format(payload.id))
-      })
-      .onMessage(message=>{
-        println(message)
-        if(message.payload.`type` != MessageType.MessageTypeText || message.payload.text != "ding" ){
-          println("Message discarded because it does not match ding")
-        }else {
-          message.say("dong")
-          println("dong")
-        }
-      })
-
-
-    bot.start()
-
-    Thread.currentThread().join()
-  }
-}
diff --git a/src/main/scala/ding-dong-bot.scala b/src/main/scala/ding-dong-bot.scala
new file mode 100644
index 0000000..f7cf6c1
--- /dev/null
+++ b/src/main/scala/ding-dong-bot.scala
@@ -0,0 +1,68 @@
+import org.apache.commons.lang3.StringUtils
+import wechaty.{Wechaty, WechatyOptions}
+
+/**
+ *
+ * @author <a href="mailto:jcai@ganshane.com">Jun Tsai</a>
+ * @since 2020-06-02
+ */
+object DingDongBot {
+  def main(args: Array[String]): Unit = {
+    val token: String = sys.props.getOrElse("WECHATY_PUPPET_HOSTIE_TOKEN",
+      throw new Exception(s"Error: WECHATY_PUPPET_HOSTIE_TOKEN is not found in the environment variable!" +
+        s"You need a TOKEN to run the Scala Wechaty." +
+        s"Please goto our README for details https://wechaty.js.org/docs/puppet-services/padlocal/"))
+    TokenValidator.isValidToken(token)
+
+    val option = new WechatyOptions
+
+    try {
+      val bot = Wechaty.instance(option)
+
+      bot
+        .onScan(payload => {
+          println("Scan QR Code to login: %s\nhttps://api.qrserver.com/v1/create-qr-code/?data=%s\n".format(payload.status, payload.qrcode))
+        })
+        .onLogin(payload => {
+          println("User %s logined\n".format(payload.id))
+        })
+        .onMessage(message => {
+          println(message)
+          if (message.payload.`type` != wechaty.puppet.schemas.Message.MessageType || message.payload.text != "ding") {
+            println("Message discarded because it does not match ding")
+          } else {
+            message.say("dong")
+            println("dong")
+          }
+        })
+
+
+      bot.start()
+
+      Thread.currentThread().join()
+
+
+    } catch {
+      case _: java.io.FileNotFoundException =>
+        System.out.println(s"TOKEN is NOT registered successfully, please refer to https://wechaty.js.org/docs/puppet-services/diy/")
+    }
+
+  }
+}
+
+object TokenValidator {
+  def isValidToken(token: String): Unit = {
+    import java.util.regex.Pattern
+    val p = Pattern.compile("[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$")
+    val valid = p.matcher(token).matches()
+
+
+    if (valid) {
+      System.out.println("token format correct, creating Wechaty instance...")
+    } else {
+      throw new Exception(s"Error: Wrong token format, WECHATY_PUPPET_HOSTIE_TOKEN should be in UUID v4 format!")
+    }
+  }
+
+
+}