diff --git a/web/index.html b/web/index.html
index 6f6040e..6777331 100644
--- a/web/index.html
+++ b/web/index.html
@@ -1,4 +1,4 @@
-﻿﻿﻿﻿﻿﻿﻿﻿<!DOCTYPE html>
+﻿﻿﻿﻿﻿﻿﻿﻿﻿﻿﻿<!DOCTYPE html>
 <html lang="zh-CN">
 <!-- 充满未知和不稳定的票务系统！ -->
 
@@ -7,7 +7,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>FSE铁路票务系统控制台</title>
     <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
-    <link rel="stylesheet" href="style.css?v=13">
+    <link rel="stylesheet" href="style.css?v=14">
     <script src="https://unpkg.com/vue@3/dist/vue.global.js"></script>
     <script src="/socket.io/socket.io.js"></script>
 </head>
@@ -293,8 +293,12 @@
                             </div>
 
                             <!-- 可视化线路编辑-->
-                            <div class="visual-line-container">
-                                <svg width="100%" height="200"
+                            <div class="visual-line-container"
+                                ref="visualLineViewport"
+                                :class="{ 'is-panning': lineViewportPan.active }"
+                                @mousedown="startLineViewportPan"
+                                @mousemove="moveLineViewportPan">
+                                <svg :width="lineEditorSvgWidth" height="200"
                                     v-if="selectedLine.stations && selectedLine.stations.length > 0">
                                     <!--站点连接线-->
                                     <line x1="50" y1="100" :x2="50 + (selectedLine.stations.length - 1) * 120" y2="100"
@@ -929,7 +933,7 @@
     </div>
     <script src="/custom-dialog.js?v=12"></script>
     <script src="/public-status.js?v=13"></script>
-    <script src="index.js?v=3"></script>
+    <script src="index.js?v=5"></script>
     <script>
         document.addEventListener('DOMContentLoaded', () => {
             const isDomain = location.hostname.includes('fse-media.group');
diff --git a/web/index.js b/web/index.js
index 59e65da..7b1c206 100644
--- a/web/index.js
+++ b/web/index.js
@@ -35,7 +35,9 @@ createApp({
         });
 
         const connected = ref(false);
-        const socket = io({ transports: ['websocket', 'polling'], upgrade: false });
+        // Prefer polling first so admin remains connected even when the proxy
+        // does not support WebSocket upgrades reliably.
+        const socket = io({ transports: ['polling', 'websocket'] });
 
         // Data State
         const stations = ref([]);
@@ -100,6 +102,15 @@ createApp({
         const showFareModal = ref(false);
         const currentFare = reactive({ exists: false, cost_regular: 0, cost_express: 0 });
         const draggingStationIndex = ref(null);
+        const visualLineViewport = ref(null);
+        const lineViewportPan = reactive({
+            active: false,
+            startX: 0,
+            startY: 0,
+            scrollLeft: 0,
+            scrollTop: 0,
+            moved: false
+        });
         const showStationModal = ref(false);
         const stationForm = reactive({ code: '', name: '', en_name: '', transfer_enabled: false, transfer_to: [] });
         const stationFormOriginalCode = ref('');
@@ -654,6 +665,36 @@ createApp({
             draggingStationIndex.value = null;
         };
 
+        const startLineViewportPan = (event) => {
+            const viewport = visualLineViewport.value;
+            if (!viewport) return;
+            if (event.button !== 0) return;
+            if (event.target && event.target.closest('.station-node')) return;
+            lineViewportPan.active = true;
+            lineViewportPan.moved = false;
+            lineViewportPan.startX = event.clientX;
+            lineViewportPan.startY = event.clientY;
+            lineViewportPan.scrollLeft = viewport.scrollLeft;
+            lineViewportPan.scrollTop = viewport.scrollTop;
+        };
+
+        const moveLineViewportPan = (event) => {
+            if (!lineViewportPan.active) return;
+            const viewport = visualLineViewport.value;
+            if (!viewport) return;
+            const deltaX = event.clientX - lineViewportPan.startX;
+            const deltaY = event.clientY - lineViewportPan.startY;
+            if (Math.abs(deltaX) > 2 || Math.abs(deltaY) > 2) {
+                lineViewportPan.moved = true;
+            }
+            viewport.scrollLeft = lineViewportPan.scrollLeft - deltaX;
+            viewport.scrollTop = lineViewportPan.scrollTop - deltaY;
+        };
+
+        const endLineViewportPan = () => {
+            lineViewportPan.active = false;
+        };
+
         // --- Order Management ---
         const fetchOrders = async () => {
             if (loadingState.orders) return;
@@ -1171,6 +1212,10 @@ createApp({
         };
 
         const handleStationClick = async (code) => {
+            if (lineViewportPan.moved) {
+                lineViewportPan.moved = false;
+                return;
+            }
             if (stationEditMode.value) {
                 openStationModal(code);
                 return;
@@ -1398,6 +1443,7 @@ createApp({
                 startIcCardSync();
             }
             appMouseupHandler = async () => {
+                endLineViewportPan();
                 if (draggingStationIndex.value !== null) {
                     if (selectedLine.value) {
                         try {
@@ -1428,6 +1474,10 @@ createApp({
         // Computed
         const recentLogs = computed(() => logs.value);
         const orderList = computed(() => orders.value);
+        const lineEditorSvgWidth = computed(() => {
+            const count = Array.isArray(selectedLine.value?.stations) ? selectedLine.value.stations.length : 0;
+            return Math.max(960, 100 + Math.max(0, count - 1) * 120 + 120);
+        });
         const lastSyncText = computed(() => lastSyncAt.value ? formatTime(lastSyncAt.value) : '尚未同步');
         const isViewBusy = computed(() => {
             if (loadingState.core) return true;
@@ -1520,6 +1570,7 @@ createApp({
             
             // Management
             selectedLine, fareMode, stationEditMode, fareSelection, showFareModal, currentFare, availableStations,
+            visualLineViewport, lineViewportPan, lineEditorSvgWidth, startLineViewportPan, moveLineViewportPan,
             selectLine, createLine, deleteLine, deleteStation, updateLineInfo, getFareText,
             isStationInLine, addStationToLine, removeStationFromLine,
             handleStationClick, isStationSelected,
diff --git a/web/style.css b/web/style.css
index 9e9f9d6..c007319 100644
--- a/web/style.css
+++ b/web/style.css
@@ -686,6 +686,7 @@ main {
     display: flex;
     flex-direction: column;
     flex-shrink: 0;
+    min-height: 0;
 }
 
 .management-main {
@@ -702,6 +703,7 @@ main {
     flex-direction: column;
     gap: 8px;
     padding-right: 4px;
+    min-height: 0;
 }
 
 .line-item {
@@ -771,18 +773,26 @@ main {
 
 .visual-line-container {
     flex: 1;
-    overflow-x: auto;
-    overflow-y: hidden;
+    overflow: auto;
     background-color: #00000022;
     border-radius: 8px;
     display: flex;
     align-items: center;
     justify-content: flex-start;
     padding: 40px;
+    min-height: 0;
+    cursor: grab;
+    user-select: none;
+    scrollbar-width: thin;
 }
 
 .visual-line-container svg {
     min-width: 100%;
+    flex-shrink: 0;
+}
+
+.visual-line-container.is-panning {
+    cursor: grabbing;
 }
 
 .station-node {
@@ -3383,6 +3393,12 @@ body.jr-ticket-board-page .jr-board-card:last-child {
     align-items: start;
 }
 
+.ic-admin-layout .management-sidebar,
+.ic-admin-layout .management-main,
+.jr-admin-list-card {
+    min-height: 0;
+}
+
 .ic-form-grid {
     display: grid;
     grid-template-columns: repeat(2, minmax(0, 1fr));
@@ -3886,6 +3902,10 @@ body.jr-admin-login-page {
 
 .jr-admin-list-card .jr-scroll-box {
     padding-right: 4px;
+    min-height: 320px;
+    max-height: 560px;
+    overflow-y: auto;
+    overscroll-behavior: contain;
 }
 
 .jr-admin-summary-grid {
diff --git a/web/ticket-route.html b/web/ticket-route.html
index 27b828b..c653b25 100644
--- a/web/ticket-route.html
+++ b/web/ticket-route.html
@@ -609,7 +609,7 @@
     </div>
     <script src="/custom-dialog.js?v=12"></script>
     <script src="/public-status.js?v=13"></script>
-    <script src="ticket-route.js?v=2"></script>
+    <script src="ticket-route.js?v=3"></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 0931c9c..f2d50fe 100644
--- a/web/ticket-route.js
+++ b/web/ticket-route.js
@@ -24,7 +24,8 @@ createApp({
         });
 
         const connected = ref(false);
-        const socket = io({ transports: ['websocket'], upgrade: false, timeout: 20000 });
+        // Keep the legacy route console usable behind proxies that only allow polling.
+        const socket = io({ transports: ['polling', 'websocket'], timeout: 20000 });
 
 
         const stations = ref([]);
