apiai@2.0.7 breaks build ⚠️

https://greenkeeper.io/

apiai@2.0.6 breaks build ⚠️

https://greenkeeper.io/

WARN PuppetWebEvent onServerUnload(string)
/home/travis/build/zixia/wechaty/src/puppet-web/event.js:219
    this.bridge.init()
               ^
TypeError: Cannot read property 'init' of null
    at Timeout.setTimeout (/home/travis/build/zixia/wechaty/src/puppet-web/event.js:219:16)
    at tryOnTimeout (timers.js:232:11)
    at Timer.listOnTimeout (timers.js:202:5)