[]UNITY3D导出模型加载错误

laya.core.js:12371 Uncaught Error: LoaderManager:unknown file(http://127.0.0.1/layaair/myLaya3D1/bin/null path) extension with: 1.
at LoaderManager.__proto._create (laya.core.js:12371)
at LoaderManager.__proto.create (laya.core.js:12339)
at Loader.Laya3D._onHierarchylhLoaded (laya.d3.js:16030)
at EventHandler.__proto.runWith (laya.core.js:687)
at Loader.__proto.event (laya.core.js:465)
at Loader.__proto.complete (laya.core.js:12141)
at Loader.__proto.onLoaded (laya.core.js:12130)
at EventHandler.__proto.runWith (laya.core.js:686)
at HttpRequest.__proto.event (laya.core.js:465)
at HttpRequest.__proto.complete (laya.core.js:11854)
__proto._create @ laya.core.js:12371
__proto.create @ laya.core.js:12339
Laya3D._onHierarchylhLoaded @ laya.d3.js:16030
__proto.runWith @ laya.core.js:687
__proto.event @ laya.core.js:465
__proto.complete @ laya.core.js:12141
__proto.onLoaded @ laya.core.js:12130
__proto.runWith @ laya.core.js:686
__proto.event @ laya.core.js:465
__proto.complete @ laya.core.js:11854
__proto._onLoad @ laya.core.js:11819
http.onload @ laya.core.js:11778
XMLHttpRequest.send (async)
__proto.send @ laya.core.js:11780
__proto.load @ laya.core.js:11965
Laya3D._loadHierarchy @ laya.d3.js:16010
__proto.load @ laya.core.js:11933
__proto._doLoad @ laya.core.js:12483
__proto._next @ laya.core.js:12458
__proto.load @ laya.core.js:12443
__proto._create @ laya.core.js:12381
__proto.create @ laya.core.js:12359
Scene.load @ laya.d3.js:25967
LayaAir3D @ LayaAir3D.js:11
(anonymous) @ LayaAir3D.js:36


UNITY3D 版本 2017.1.0p3
插件版本 LayaAirUnityPlugin 1.6.0.unitypackage