2D 地图路由修复：

服务器详情体验增强：

public/js/app.js

@@ -976,6 +976,8 @@
         'seattle': [-122.3321, 47.6062],
         'us chicago': [-87.6298, 41.8781],
         'chicago': [-87.6298, 41.8781],
+        'us houston': [-95.3698, 29.7604],
+        'houston': [-95.3698, 29.7604],
         'new york': [-74.0060, 40.7128],
         'new york corp': [-74.0060, 40.7128],
         'san francisco': [-122.4194, 37.7749],
@@ -985,8 +987,8 @@
         'tokyo': [139.6917, 35.6895],
         'singapore': [103.8198, 1.3521],
         'sg': [103.8198, 1.3521],
-        'germany': [10.4515, 51.1657],
-        'de': [10.4515, 51.1657],
+        'germany': [8.6821, 50.1109],
+        'de': [8.6821, 50.1109],
         'frankfurt': [8.6821, 50.1109],
         'united kingdom': [-3.436, 55.3781],
         'uk': [-3.436, 55.3781],
@@ -1479,6 +1481,9 @@
       const response = await fetch(url);
       if (!response.ok) throw new Error('Fetch failed');
       const data = await response.json();
+      currentServerDetail.memTotal = data.memTotal;
+      currentServerDetail.swapTotal = data.swapTotal;
+      currentServerDetail.rootFsTotal = data.rootFsTotal;
 
       renderServerDetail(data);
     } catch (err) {
@@ -1676,6 +1681,11 @@
       currentServerDetail.charts[metricKey] = chart;
     }
 
+    // 为百分比图表设置总量，允许 Y 轴显示实际物理占用数值
+    if (metricKey === 'memUsedPct') chart.totalValue = currentServerDetail.memTotal;
+    if (metricKey === 'swapUsedPct') chart.totalValue = currentServerDetail.swapTotal;
+    if (metricKey === 'rootFsUsedPct') chart.totalValue = currentServerDetail.rootFsTotal;
+
     try {
       const { instance, job, source } = currentServerDetail;
       let url = `/api/metrics/server-history?instance=${encodeURIComponent(instance)}&job=${encodeURIComponent(job)}&source=${encodeURIComponent(source)}&metric=${metricKey}`;