From 41546cce96970287a903a9ba09f8c37e93182208 Mon Sep 17 00:00:00 2001
From: HenryDu8133 <813367384@qq.com>
Date: Sat, 8 Aug 2026 10:41:00 +0800
Subject: [PATCH] =?UTF-8?q?fix(web):=20=E5=BC=BA=E5=88=B6=20Socket.IO=20?=
 =?UTF-8?q?=E4=BD=BF=E7=94=A8=20WebSocket=20=E4=BC=A0=E8=BE=93?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

因为线上环境没有配置 IP Hash (Sticky Sessions)，导致默认的 polling 长轮询请求会随机分配到不同后端，从而引发 400 Bad Request 和连接断开重连刷屏的问题。
现将 transports 锁定为 ['websocket']，直接使用 WebSocket 连接。
---
 web/index.html        | 2 +-
 web/index.js          | 5 ++---
 web/ticket-route.html | 2 +-
 web/ticket-route.js   | 4 ++--
 4 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/web/index.html b/web/index.html
index 437d188..56f1061 100644
--- a/web/index.html
+++ b/web/index.html
@@ -1137,7 +1137,7 @@
         </main>
     </div>
     <script src="/custom-dialog.js?v=11"></script>
-    <script src="index.js?v=6"></script>
+    <script src="index.js?v=7"></script>
     <script>
         document.addEventListener('DOMContentLoaded', () => {
             const isDomain = location.hostname.includes('fse-media.group');
diff --git a/web/index.js b/web/index.js
index 30a6578..ba6ee77 100644
--- a/web/index.js
+++ b/web/index.js
@@ -35,9 +35,8 @@ createApp({
             return map[currentView.value] || '票价图';
         });
 
-        // Prefer polling first so admin remains connected even when the proxy
-        // does not support WebSocket upgrades reliably.
-        const socket = io({ transports: ['polling', 'websocket'] });
+        // 强制使用 WebSocket，避免轮询 (polling) 在负载均衡/反代下产生 400 Bad Request
+        const socket = io({ transports: ['websocket'], timeout: 20000 });
 
         // Data State
         const stations = ref([]);
diff --git a/web/ticket-route.html b/web/ticket-route.html
index 6d3912e..31a5dbe 100644
--- a/web/ticket-route.html
+++ b/web/ticket-route.html
@@ -593,7 +593,7 @@
     </div>
     <script src="/custom-dialog.js?v=11"></script>
     <script src="/public-status.js?v=14"></script>
-    <script src="ticket-route.js?v=7"></script>
+    <script src="ticket-route.js?v=8"></script>
     <script>
         document.addEventListener('DOMContentLoaded', () => {
             const isDomain = location.hostname.includes('fse-media.group');
diff --git a/web/ticket-route.js b/web/ticket-route.js
index 683feeb..945054f 100644
--- a/web/ticket-route.js
+++ b/web/ticket-route.js
@@ -23,8 +23,8 @@ createApp({
         });
 
         const connected = ref(false);
-        // Keep the legacy route console usable behind proxies that only allow polling.
-        const socket = io({ transports: ['polling', 'websocket'], timeout: 20000 });
+        // 强制使用 WebSocket，避免轮询 (polling) 在负载均衡/反代下产生 400 Bad Request
+        const socket = io({ transports: ['websocket'], timeout: 20000 });
 
 
         const stations = ref([]);