const button = document.getElementById('btn');
        Hydreigon.ModelViewer.create(document.body, {
            "autoStart": true,
            "scenes": [{
                "pano": {
                    "url": "https://hydreigon-publish.cdn.bcebos.com/sdk-index/assets/model/textures/01.jpg"
                },
                "url": "https://hydreigon-publish.cdn.bcebos.com/sdk-index/assets/model/RobotExpressive.glb",
                "offset": [0, -10, 0]
            }]
        }).then(app => {
            app.addEventListener('mount', () => {
                button.onclick = () => {
                    app.toggleAutoRotateModel(0.01);
                };
            });
        });