fix more issues

src/components/Captcha.jsx

@@ -13,8 +13,7 @@ import { IoReloadCircleSharp } from 'react-icons/io5';
 import { shardOrigin } from '../store/actions/fetch';
 
 async function getUrlAndId() {
-  // const url = `${shardOrigin}/captcha.svg`;
-  const url = '/captcha.svg';
+  const url = `${shardOrigin}/captcha.svg`;
   const resp = await fetch(url, {
     cache: 'no-cache',
   });

src/utils/ip.js

@@ -53,8 +53,8 @@ function ip4NumToStr(ipNum) {
 export function getHostFromRequest(req, includeProto = true, stripSub = false) {
   const { headers } = req;
   let host = headers['x-forwarded-host']
-    || headers.host
-    || headers[':authority'];
+    || headers[':authority']
+    || headers.host;
   if (stripSub) {
     if (host.lastIndexOf('.') !== host.indexOf('.')) {
       host = host.slice(host.indexOf('.'));