[LayaAir3]laya3.1.6 VideoNode

laya3.1.6 VideoNode在微信小程序上无法播放。报错
laya.core-40a98.js:1 Failed to load 'resources/video/login1.mp4' ReferenceError: HTMLVideoElement is not defined
    at new Ea (laya.core-40a98.js:1)
    at an.load (laya.core-40a98.js:1)
    at Ki._load2 (laya.core-40a98.js:1)
    at Ki._load1 (laya.core-40a98.js:1)
    at Ki.load (laya.core-40a98.js:1)
    at ln.load (laya.core-40a98.js:1)
    at Ki._load2 (laya.core-40a98.js:1)
    at Ki._load1 (laya.core-40a98.js:1)
    at Ki.load (laya.core-40a98.js:1)
    at t.LoadGrop (bundle-69cab.js:101079)