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([]);