<img width="1552" height="952" alt="Image" src="https://github.com/user-attachments/assets/39d990c0-9d3f-4c13-9172-bd271c61e3b0" /> <img width="1618" height="935" alt="Image" src="https://github.com/user-attachments/assets/b6a8d868-76d8-4834-b0f3-35725a9540af" /> 箭头所指的let ul应该改成var ul,或者把ul放到最上面,否则会报错,页面也没有正常展示。而且原版英文文档已经修复这个问题