问THREE.JS OBJLoader在加载图像时给出“意外行”

EN

function init() {
  ...
  loader = new THREE.OBJLoader();
  loadOBJ();
}

function createLeeMaterial() {
    let leeTexture = new THREE.Texture();
    
    loader.load('lee/lee_diffuse.jpg', (image) => {
        leeTexture.image = image;
        leeTexture.needsUpdate = true;
    });
    
    let leeMaterial = new THREE.MeshPhongMaterial();
    leeMaterial.map = leeTexture;
    
    return leeMaterial;
}

function loadOBJ() {
    loader.load('lee/lee.obj', (object) => {
        object.traverse((child) => {
            if (child instanceof THREE.Mesh) {
                child.material = createLeeMaterial();
                child.receiveShadow = true;
                child.castShadow = true;
            }
        });
        
        object.position.y = -2;
        object.position.z = 10;
        scene.add(object);
    });
}