diff --git a/bin/io-client.ts b/bin/io-client.ts
index ae4e53ae676e9235855a9761fc746d5febcd491f..b7087edbeeb7cdbcabf1e46535b716873557fee6 100644
--- a/bin/io-client.ts
+++ b/bin/io-client.ts
@@ -43,22 +43,26 @@ __________________________________________________
 
 `
 
-let token = config.token
+async function main () {
+  let token = config.token
 
-if (!token) {
-  throw new Error('token not found: please set WECHATY_TOKEN in environment before run io-client')
-}
+  if (!token) {
+    throw new Error('token not found: please set WECHATY_TOKEN in environment before run io-client')
+  }
+
+  console.info(welcome)
+  log.info('Client', 'Starting for WECHATY_TOKEN: %s', token)
 
-console.info(welcome)
-log.info('Client', 'Starting for WECHATY_TOKEN: %s', token)
+  const wechaty = new Wechaty({ name: token })
 
-const client = new IoClient({
-  token,
-  wechaty: new Wechaty({ name: token }),
-})
+  const client = new IoClient({
+    token,
+    wechaty,
+  })
 
-client.start()
-  .catch(onError.bind(client))
+  client.start()
+    .catch(onError.bind(client))
+}
 
 async function onError (
   this : IoClient,
@@ -68,3 +72,6 @@ async function onError (
   await this.quit()
   process.exit(-1)
 }
+
+main()
+  .catch(console.error)
diff --git a/package.json b/package.json
index 034304c8037f28a2f9e4e07e0cca1eb8596bd41c..eab04204972f674ab2c9379b61a021b05e77bb21 100644
--- a/package.json
+++ b/package.json
@@ -97,8 +97,8 @@
     "read-pkg-up": "^7.0.0",
     "state-switch": "^0.6.2",
     "watchdog": "^0.8.1",
-    "wechaty-puppet": "^0.19.6",
-    "wechaty-puppet-hostie": "^0.3.8",
+    "wechaty-puppet": "^0.19.12",
+    "wechaty-puppet-hostie": "^0.3.13",
     "ws": "^7.0.0"
   },
   "devDependencies": {
diff --git a/src/io-client.ts b/src/io-client.ts
index 4c6c9d5b74ed87dc25ac1e03e1dbd4b56f463607..2ae6b98e691de0643fb2d11141d9d315db6f3af7 100644
--- a/src/io-client.ts
+++ b/src/io-client.ts
@@ -52,7 +52,9 @@ export class IoClient {
   constructor (
     public options: IoClientOptions,
   ) {
-    log.verbose('IoClient', 'constructor(%s)', JSON.stringify(options))
+    log.verbose('IoClient', 'constructor({token: %s})',
+      options.token
+    )
 
     this.state = new StateSwitch('IoClient', log)
   }
@@ -85,7 +87,7 @@ export class IoClient {
   }
 
   public async start (): Promise<void> {
-    log.verbose('IoClient', 'init()')
+    log.verbose('IoClient', 'start()')
 
     if (this.state.pending()) {
       log.warn('IoClient', 'start() with a pending state, not the time')
@@ -99,12 +101,14 @@ export class IoClient {
       await this.hookWechaty(this.options.wechaty)
 
       await this.startIo()
+
+      await this.options.wechaty.start()
       await this.startHostie()
 
       this.state.on(true)
 
     } catch (e) {
-      log.error('IoClient', 'init() exception: %s', e.message)
+      log.error('IoClient', 'start() exception: %s', e.message)
       this.state.off(true)
       throw e
     }
@@ -191,6 +195,7 @@ export class IoClient {
 
     await this.stopIo()
     await this.stopHostie()
+    await this.options.wechaty.stop()
 
     this.state.off(true)
 
diff --git a/src/io.ts b/src/io.ts
index 07f61196a1abe59f39827a4ff5ad9a3e2b1a7136..37fc7ec2256ade05c76a6fed9ddc0b6e38a3dc0b 100644
--- a/src/io.ts
+++ b/src/io.ts
@@ -24,8 +24,8 @@ import {
 }                 from './user'
 
 import {
-  PuppetQrcodeScanEvent,
-}                 from 'wechaty-puppet'
+  PuppetQRCodeScanEvent,
+}                         from 'wechaty-puppet'
 
 import {
   config,
@@ -64,7 +64,7 @@ type IoEventName = keyof typeof IO_EVENT_DICT
 
 interface IoEventScan {
   name    : 'scan',
-  payload : PuppetQrcodeScanEvent,
+  payload : PuppetQRCodeScanEvent,
 }
 
 interface IoEventAny {
@@ -90,7 +90,7 @@ export class Io {
 
   private onMessage: undefined | AnyFunction
 
-  private scanPayload?: PuppetQrcodeScanEvent
+  private scanPayload?: PuppetQRCodeScanEvent
 
   constructor (
     private options: IoOptions,
diff --git a/src/puppet-config.ts b/src/puppet-config.ts
index 76bed2f27d25154fd4c293b688125825f244d8e6..c78b8a1efe06f2674cccd18b206ad2a5554439da 100644
--- a/src/puppet-config.ts
+++ b/src/puppet-config.ts
@@ -14,7 +14,7 @@ export const PUPPET_DEPENDENCIES = {
   // 'wechaty-puppet-hostie'    : '^0.0.1',
 
   // 'wechaty-puppet-dll'       : '^0.3.1',    // https://www.npmjs.com/package/wechaty-puppet-dll
-  'wechaty-puppet-hostie'    : '^0.3.8',    // https://www.npmjs.com/package/wechaty-puppet-hostie
+  'wechaty-puppet-hostie'    : '^0.3.13',    // https://www.npmjs.com/package/wechaty-puppet-hostie
   // 'wechaty-puppet-ioscat'    : '^0.5.22',   // https://www.npmjs.com/package/wechaty-puppet-ioscat
   'wechaty-puppet-mock'      : '^0.16.1',   // https://www.npmjs.com/package/wechaty-puppet-mock
   // 'wechaty-puppet-padchat'   : '^0.19.3',   // https://www.npmjs.com/package/wechaty-puppet-padchat
diff --git a/src/puppet-manager.ts b/src/puppet-manager.ts
index 13cbee6879d59dd06d9fa2db78d73e327c1d5afe..e5557fba460517c4d130644f8fc65f9267a46b0a 100644
--- a/src/puppet-manager.ts
+++ b/src/puppet-manager.ts
@@ -65,7 +65,9 @@ export class PuppetManager {
     return puppetInstance
   }
 
-  protected static async resolveName (puppetName: PuppetModuleName): Promise<PuppetImplementation> {
+  protected static async resolveName (
+    puppetName: PuppetModuleName,
+  ): Promise<PuppetImplementation> {
     log.verbose('PuppetManager', 'resolveName(%s)', puppetName)
 
     if (!puppetName) {