fix lost control after page reload (#790)
fix lost control after page reload (#790)

wechaty/wechaty,mukaiu/wechaty,wechaty/wechaty,lijiarui/wechaty,mukaiu/wechaty,Chatie/wechaty,mukaiu/wechaty,binsee/wechaty,Chatie/wechaty,lijiarui/wechaty,wechaty/wechaty,Chatie/wechaty,zixia/wechaty,binsee/wechaty,binsee/wechaty,zixia/wechaty