var configuration = {
            resource_type: 'model',
            render_type: 'gltf',
            resource: {
                models: [
                    {
                        type: 'gltf',
                        obj: 'https://bj.bcebos.com/v1/hydreigon-dev/sdk-dev/assets/models/bear/bear.glb',
                    }
                ],
                background: {
                    color: 'white'
                }
            }
        }

        var ak = '您的AccessKey';
        var sk = '您的SecretKey';
        
        var viewer;
        Hydreigon.create(document.getElementById('container'), configuration, ak, sk, {
            justify_camera: true,
            justify_model: true,
            vm_ratio: 0.7,
        }).then(v => {
            viewer = v;
            viewer.addEventListener('loaded', () => {
                console.log('loaded');
            });
            viewer.init();
        });