diff --git a/public/index.html b/public/index.html
index 163cd2b..6f4bb0e 100644
--- a/public/index.html
+++ b/public/index.html
@@ -296,7 +296,7 @@
                 <path
                   d="M2 12h20M12 2a15.3 15.3 0 0 1 4 10 15.3 15.3 0 0 1-4 10 15.3 15.3 0 0 1-4-10 15.3 15.3 0 0 1 4-10z" />
               </svg>
-              全球服务器分布
+              全球骨干分布
             </h2>
             <div class="chart-header-actions">
               <button class="btn-icon" id="btnExpandGlobe" title="放大显示">
diff --git a/public/js/app.js b/public/js/app.js
index 08d9e4e..1cc64be 100644
--- a/public/js/app.js
+++ b/public/js/app.js
@@ -551,8 +551,10 @@
         const msg = JSON.parse(event.data);
         if (msg.type === 'overview') {
           allServersData = msg.data.servers || [];
+          if (msg.data.latencies) {
+            currentLatencies = msg.data.latencies;
+          }
           updateDashboard(msg.data);
-          updateMap2D(allServersData);
         }
       } catch (err) {
         console.error('WS Message Error:', err);
@@ -1127,8 +1129,20 @@
     // Update server table
     renderFilteredServers();
 
-    // Update globe
+    // Update globe (latencies already updated in ws message handler)
     updateMap2D(data.servers || []);
+    
+    // Real-time update for server detail modal if open
+    if (dom.serverDetailModal.classList.contains('active') && currentServerDetail.instance) {
+      const currentS = (data.servers || []).find(s => 
+        s.instance === currentServerDetail.instance && 
+        s.job === currentServerDetail.job && 
+        s.source === currentServerDetail.source
+      );
+      if (currentS) {
+        updateServerDetailMetrics(currentS);
+      }
+    }
 
     // Flash animation
     if (previousMetrics) {
@@ -1138,6 +1152,41 @@
     previousMetrics = data;
   }
 
+  // Real-time update for core server detail metrics (called from WebSocket broadcast)
+  function updateServerDetailMetrics(server) {
+    if (!server) return;
+
+    // Update the values displayed in the metric header cards within the detail modal
+    const metrics = [
+      { key: 'cpuBusy', label: 'CPU 使用率', value: `
+        <div style="display: flex; align-items: baseline; gap: 8px;">
+            <span style="font-weight: 700; font-size: 1.1rem;">${formatPercent(server.cpuPercent)}</span>
+        </div>` },
+      { key: 'memUsedPct', label: '内存使用率 (RAM)', value: formatPercent(server.memPercent) },
+      { key: 'rootFsUsedPct', label: '根分区使用率 (/)', value: formatPercent(server.diskPercent) },
+      { key: 'netRx', label: '网络接收速率 (RX)', value: formatBandwidth(server.netRx) },
+      { key: 'netTx', label: '网络发送速率 (TX)', value: formatBandwidth(server.netTx) }
+    ];
+
+    metrics.forEach(m => {
+      const el = document.getElementById(`metric-${m.key}`);
+      if (el) {
+        const valEl = el.querySelector('.metric-value');
+        if (valEl) valEl.innerHTML = m.value;
+      }
+    });
+
+    // Also update current active history charts if they are open
+    Object.keys(currentServerDetail.charts).forEach(key => {
+      const el = document.getElementById(`metric-${key}`);
+      if (el && el.classList.contains('active')) {
+        // If the chart is open, we don't automatically refresh the history (too heavy)
+        // But we could append the latest point if we wanted to.
+        // For now, updating the summary numbers is enough for "real-time".
+      }
+    });
+  }
+
   function renderFilteredServers() {
     let filtered = allServersData;
     if (currentSourceFilter !== 'all') {
diff --git a/server/index.js b/server/index.js
index f5220a0..4553b29 100644
--- a/server/index.js
+++ b/server/index.js
@@ -1026,7 +1026,34 @@ function broadcast(data) {
 async function broadcastMetrics() {
   try {
     const overview = await getOverview();
-    broadcast({ type: 'overview', data: overview });
+    
+    // Also include latencies in the broadcast to make map lines real-time
+    const [routes] = await db.query(`
+      SELECT r.*, s.url, s.type as source_type
+      FROM latency_routes r 
+      JOIN prometheus_sources s ON r.source_id = s.id
+    `);
+    
+    const latencyResults = await Promise.all(routes.map(async (route) => {
+      let latency = await cache.get(`latency:route:${route.id}`);
+      if (latency === null && route.source_type === 'prometheus') {
+        latency = await prometheusService.getLatency(route.url, route.latency_target);
+      }
+      return {
+        id: route.id,
+        source: route.latency_source,
+        dest: route.latency_dest,
+        latency: latency
+      };
+    }));
+
+    broadcast({ 
+      type: 'overview', 
+      data: {
+        ...overview,
+        latencies: latencyResults
+      }
+    });
   } catch (err) {
     // console.error('WS Broadcast error:', err.message);
   }