fix: 更新订阅请求处理逻辑，支持从环境变量获取ECH_DOH配置

_worker.js

@@ -24,6 +24,7 @@ export default {
         } else 反代IP = (request.cf.colo + '.PrOxYIp.CmLiUsSsS.nEt').toLowerCase();
         const 访问IP = request.headers.get('X-Real-IP') || request.headers.get('CF-Connecting-IP') || request.headers.get('X-Forwarded-For') || request.headers.get('True-Client-IP') || request.headers.get('Fly-Client-IP') || request.headers.get('X-Appengine-Remote-Addr') || request.headers.get('X-Forwarded-For') || request.headers.get('X-Real-IP') || request.headers.get('X-Cluster-Client-IP') || request.cf?.clientTcpRtt || '未知IP';
         if (env.GO2SOCKS5) SOCKS5白名单 = await 整理成数组(env.GO2SOCKS5);
+        ECH_DOH = env.ECH_DOH || env.DOH || ECH_DOH;
         if (!upgradeHeader || upgradeHeader !== 'websocket') {
             if (url.protocol === 'http:') return Response.redirect(url.href.replace(`http://${url.hostname}`, `https://${url.hostname}`), 301);
             if (!管理员密码) return fetch(Pages静态页面 + '/noADMIN').then(r => { const headers = new Headers(r.headers); headers.set('Cache-Control', 'no-store, no-cache, must-revalidate, proxy-revalidate'); headers.set('Pragma', 'no-cache'); headers.set('Expires', '0'); return new Response(r.body, { status: 404, statusText: r.statusText, headers }); });