问题 想调试 Url-Shorten-Worker, 把 index.html 保存在本地电脑上, 调用服务器https://1way.eu.org/的API, 报错 Access to fetch at 'https://1way.eu.org/bodongshouqulveweifengci' from origin 'null' has been blocked by CORS policy: Request header field content-type is not allowed by Access-Control-Allow-Headers in preflight response.