code clean: use never to guard enum all the possible values
code clean: use never to guard enum all the possible values

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