'cache-src' since it isn't a known property of 'source'

[yexiaodong]

core.js:1449 ERROR Error: Uncaught (in promise): Error: Template parse errors:
Can't bind to 'cache-src' since it isn't a known property of 'source'. ("
poster="{{data.img[0]}}">

  <source [ERROR ->]cache-src="{{data.video}}" type="video/mp4">

</video>