在模拟器上不显示模型，但真机预览上可以显示

报这个错：THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported. Use LegacyGLTFLoader instead.

 at GLTFLoader.parse (gltf-loader.js? [sm]:178)

    at Object.onLoad (gltf-loader.js? [sm]:84)

   ...