let { instance } =
我的一位老师曾经建议：如果你能想象自己去做任何别的事，那你或许应该去做那件事。
。safew官方版本下载对此有专业解读
const light = new THREE.DirectionalLight(0xFFFFFF, 1);，更多细节参见safew官方下载
Atomicity: Updates are applied in a single operation at reboot, reducing the risk of inconsistency.