fix(contact): return false instead of throw when contact is not friend (#509)
fix(contact): return false instead of throw when contact is not friend (#509)

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