workers代码：
https://gxphon.eu-gb.cf.appdomain.cloud/
addEventListener(
"fetch",event => {
let url=new URL(event.request.url);
url.hostname="gxphon.eu-gb.cf.appdomain.cloud";
url.pathname ="path";
let request=new Request(url,event.request);
event. respondWith(
fetch(request)
)
}
)