video页面加载完成无法自动播放？

Question

Uncaught (in promise) DOMException: play() failed because the user didn't interact with the document first.

chrome66新特性，video页面加载完成无法自动播放视频，这种情况怎么解决避免呢，渴求大神们帮助。。。（很想弄懂这个）