求助：代码本地更换videoplayer clip

Creator 2.x
#1

代码本地更换videoplayer clip，this.videoPlayer.clip = ‘resources/’ + “video” + (i + 1) + “.mp4”;
报错 ERROR: TypeError: null is not an object (evaluating ‘sgNode.setURL’),

是有该文件的，文档没找到怎么写

#2

this.videoPlayer.clip = cc.url.raw(‘resources/’ + “video” + (i + 1) + “.mp4”); 可以了 ，模拟器不行，浏览器可以