[LayaAir 1.0]资源加载问题

无限资源加载问题
 Uncaught Error: LoaderManager:unknown file(res/scene/scene.ls) extension with: ls.
    at LoaderManager.__proto._create (laya.core.js:13205)
    at LoaderManager.__proto.create (laya.core.js:13173)
    at LayaGame.<anonymous> (LayaGame.ts:60)
    at EventHandler.__proto.runWith (laya.core.js:724)
    at ResInfo.__proto.event (laya.core.js:494)
    at LoaderManager.__proto._endLoad (laya.core.js:13377)
    at Loader.onLoaded (laya.core.js:13353)
    at EventHandler.__proto.runWith (laya.core.js:724)
    at Loader.__proto.event (laya.core.js:494)
    at Loader.__proto.endLoad (laya.core.js:12965)