diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..df3e785
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,19 @@
+# Editor configuration, see http://editorconfig.org
+root = true
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 2
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.md]
+max_line_length = 0
+trim_trailing_whitespace = false
+
+# 4 tab indentation
+[Makefile]
+indent_style = tab
+indent_size = 4
diff --git a/.eslintrc.js b/.eslintrc.js
new file mode 100644
index 0000000..b961a14
--- /dev/null
+++ b/.eslintrc.js
@@ -0,0 +1,8 @@
+
+const rules = {
+}
+
+module.exports = {
+  extends: '@chatie',
+  rules,
+}
diff --git a/examples/starter-bot.js b/examples/starter-bot.js
index d6376ea..3acb550 100644
--- a/examples/starter-bot.js
+++ b/examples/starter-bot.js
@@ -12,19 +12,19 @@ function onScan (qrcode) {
     encodeURIComponent(qrcode),
   ].join('')
 
-  console.log(qrcodeImageUrl)
+  console.info(qrcodeImageUrl)
 }
 
 function onLogin (user) {
-  console.log(`${user} login`)
+  console.info(`${user} login`)
 }
 
-function onLogout(user) {
-  console.log(`${user} logout`)
+function onLogout (user) {
+  console.info(`${user} logout`)
 }
 
 async function onMessage (msg) {
-  console.log(msg.toString())
+  console.info(msg.toString())
 }
 
 const bot = new Wechaty({ name: 'wechaty' })
@@ -35,5 +35,5 @@ bot.on('logout',  onLogout)
 bot.on('message', onMessage)
 
 bot.start()
-.then(() => console.log('Starter Bot Started.'))
-.catch(e => console.error(e))
+  .then(() => console.info('Starter Bot Started.'))
+  .catch(e => console.error(e))
diff --git a/examples/starter-bot.ts b/examples/starter-bot.ts
index 840c779..dfbbb06 100644
--- a/examples/starter-bot.ts
+++ b/examples/starter-bot.ts
@@ -2,7 +2,7 @@
  * Wechaty - WeChat Bot SDK for Personal Account, Powered by TypeScript, Docker, and 💖
  *  - https://github.com/chatie/wechaty
  */
-import { 
+import {
   Wechaty,
   Contact,
   Message,
@@ -19,19 +19,19 @@ function onScan (qrcode: string, status: ScanStatus) {
     encodeURIComponent(qrcode),
   ].join('')
 
-  console.log(`${ScanStatus[status]}(${status})`, qrcodeImageUrl)
+  console.info(`${ScanStatus[status]}(${status})`, qrcodeImageUrl)
 }
 
 function onLogin (user: Contact) {
-  console.log(`${user} login`)
+  console.info(`${user} login`)
 }
 
-function onLogout(user: Contact) {
-  console.log(`${user} logout`)
+function onLogout (user: Contact) {
+  console.info(`${user} logout`)
 }
 
 async function onMessage (msg: Message) {
-  console.log(msg.toString())
+  console.info(msg.toString())
 }
 
 const bot = new Wechaty({ name: 'wechaty' })
@@ -42,5 +42,5 @@ bot.on('logout',  onLogout)
 bot.on('message', onMessage)
 
 bot.start()
-.then(() => console.log('Starter Bot Started.'))
-.catch(e => console.error(e))
+  .then(() => console.info('Starter Bot Started.'))
+  .catch(e => console.error(e))
diff --git a/package.json b/package.json
index 780786d..6117428 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "node": ">= 10"
   },
   "scripts": {
-    "lint": "",
+    "lint": "eslint 'examples/*.{js,ts}'",
     "postinstall": "check-node-version --node \">= 10\"",
     "start": "node examples/starter-bot.js",
     "start:ts": "ts-node examples/starter-bot.ts",
@@ -29,6 +29,7 @@
     "wechaty": "^0.27.26"
   },
   "devDependencies": {
+    "@chatie/eslint-config": "^0.6.17",
     "@chatie/git-scripts": "^0.2.5",
     "@chatie/tsconfig": "^0.6.1",
     "check-node-version": "^3.2.0"