add warn log when function Room&Contact.find() return more than one value (#239)
add warn log when function Room&Contact.find() return more than one value (#239)


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