初步设想，把粘贴板中的图片，或者截图发到qiniu中，并获取url，发送到粘贴板中

start; switch case 1: ctrl alt c: if img: cover to jpg or png up to qiqiu get the url,to paste, then: ctrl v case2: ctrl alt x，截图 cover to jpg or png up to qiqiu get the url,to paste, then: ctrl v