Limit the size of the sending file (#376)
Limit the size of the sending file (#376)

* Limit the size of the sending file

* limit vedio size

* add remark

* tslint

* Optimize videoMaxSize limit

* tslint

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