doc & handle more error in injectio
doc & handle more error in injectio

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