[LayaAir 2.0]拖尾crash

去除拖尾可以正常运营，显示的时候运行一会儿就开始报错了。
Uncaught RangeError: Invalid typed array length: 16
    at new Float32Array (<anonymous>)
    at VertexBuffer3D.__proto.setData (libs/laya.d3.js:26944)
    at TrailGeometry.__proto._updateVerticesByPositionData (libs/laya.d3.js:26764)
    at TrailGeometry.__proto._updateVerticesByPosition (libs/laya.d3.js:26772)
    at TrailGeometry.__proto._addTrailByNextPosition (libs/laya.d3.js:26718)
    at TrailGeometry.__proto._updateTrail (libs/laya.d3.js:26665)
    at TrailFilter.__proto._update (libs/laya.d3.js:12568)
    at TrailRenderer.__proto._renderUpdate (libs/laya.d3.js:32829)
    at RenderElement.__proto._render (libs/laya.d3.js:6838)
    at RenderQueue.__proto._render (libs/laya.d3.js:15746)