[LayaAir 2.0]Unity导出的场景无法加载

当unity 导出的场景 如果节点有碰撞体 时加载时报错  Laya3D._physics3D.btCollisionObject
Uncaught TypeError: Cannot read property 'btCollisionObject' of undefined    at PhysicsCollider.__proto._onAdded (libs/laya.d3.js:41745)
    at Sprite3D.__proto._addComponentInstance (libs/laya.core.js:21498)
    at Sprite3D.__proto.addComponent (libs/laya.core.js:21573)
    at Function.Utils3D._createNodeByJson (libs/laya.d3.js:10690)
    at Function.Utils3D._createNodeByJson (libs/laya.d3.js:10673)
    at Function.Utils3D._createNodeByJson (libs/laya.d3.js:10673)
    at Function.Scene3D._parse (libs/laya.d3.js:34765)
    at Laya3D._onHierarchyInnerFirstLevResouLoaded (libs/laya.d3.js:1981)
    at Handler.__proto.runWith (libs/laya.core.js:2062)
    at onComplete (libs/laya.core.js:24834)
 
 
 
如果去掉碰撞体 节点有刚体 报 这个错  Laya3D._physics3D.LayaMotionState();
libs/laya.d3.js:41188 Uncaught TypeError: Cannot read property 'LayaMotionState' of undefined
    at Rigidbody3D.__proto._onAdded (libs/laya.d3.js:41188)
    at Sprite3D.__proto._addComponentInstance (libs/laya.core.js:21498)
    at Sprite3D.__proto.addComponent (libs/laya.core.js:21573)
    at Function.Utils3D._createNodeByJson (libs/laya.d3.js:10690)
    at Function.Utils3D._createNodeByJson (libs/laya.d3.js:10673)
    at Function.Scene3D._parse (libs/laya.d3.js:34765)
    at Laya3D._onHierarchyInnerFirstLevResouLoaded (libs/laya.d3.js:1981)
    at Handler.__proto.runWith (libs/laya.core.js:2062)
    at onComplete (libs/laya.core.js:24834)
    at Handler.__proto.runWith (libs/laya.core.js:2062)