diff --git a/public/js/app.js b/public/js/app.js
index 051bd43..b1aec11 100644
--- a/public/js/app.js
+++ b/public/js/app.js
@@ -1865,11 +1865,12 @@
     if (dom.sourceFilter) {
       const current = dom.sourceFilter.value;
       let html = '<option value="all">所有数据源</option>';
-      sources.forEach(source => {
+      const displaySources = sources.filter(s => s.type !== 'blackbox');
+      displaySources.forEach(source => {
         html += `<option value="${escapeHtml(source.name)}">${escapeHtml(source.name)}</option>`;
       });
       dom.sourceFilter.innerHTML = html;
-      if (sources.some(s => s.name === current)) {
+      if (displaySources.some(s => s.name === current)) {
         dom.sourceFilter.value = current;
       } else {
         dom.sourceFilter.value = 'all';
@@ -1889,9 +1890,11 @@
     try {
       const response = await fetch('/api/sources');
       const sources = await response.json();
-      if (dom.totalServersLabel) dom.totalServersLabel.textContent = `服务器总数 (${sources.length} 数据源)`;
-      updateSourceFilterOptions(sources);
-      renderSources(sources);
+      const sourcesArray = Array.isArray(sources) ? sources : [];
+      const promSources = sourcesArray.filter(s => s.type !== 'blackbox');
+      if (dom.totalServersLabel) dom.totalServersLabel.textContent = `服务器总数 (${promSources.length} 数据源)`;
+      updateSourceFilterOptions(sourcesArray);
+      renderSources(sourcesArray);
     } catch (err) {
       console.error('Error loading sources:', err);
     }
@@ -2061,7 +2064,8 @@
       const response = await fetch('/api/sources');
       const sources = await response.json();
       const sourcesArray = Array.isArray(sources) ? sources : [];
-      if (dom.totalServersLabel) dom.totalServersLabel.textContent = `服务器总数 (${sourcesArray.length} 数据源)`;
+      const promSources = sourcesArray.filter(s => s.type !== 'blackbox');
+      if (dom.totalServersLabel) dom.totalServersLabel.textContent = `服务器总数 (${promSources.length} 数据源)`;
       updateSourceFilterOptions(sourcesArray);
     } catch (err) {
       // ignore
diff --git a/server/index.js b/server/index.js
index 7aec305..bdf1baf 100644
--- a/server/index.js
+++ b/server/index.js
@@ -610,7 +610,7 @@ app.post('/api/settings', requireAuth, async (req, res) => {
 
 // Reusable function to get overview metrics
 async function getOverview() {
-  const [sources] = await db.query('SELECT * FROM prometheus_sources WHERE is_server_source = 1');
+  const [sources] = await db.query('SELECT * FROM prometheus_sources WHERE is_server_source = 1 AND type != "blackbox"');
   if (sources.length === 0) {
     return {
       totalServers: 0,
@@ -751,7 +751,7 @@ app.get('/api/metrics/network-history', async (req, res) => {
     const cached = await cache.get(cacheKey);
     if (cached) return res.json(cached);
 
-    const [sources] = await db.query('SELECT * FROM prometheus_sources WHERE is_server_source = 1');
+    const [sources] = await db.query('SELECT * FROM prometheus_sources WHERE is_server_source = 1 AND type != "blackbox"');
     if (sources.length === 0) {
       return res.json({ timestamps: [], rx: [], tx: [] });
     }
@@ -780,7 +780,7 @@ app.get('/api/metrics/network-history', async (req, res) => {
 // Get CPU usage history for sparklines
 app.get('/api/metrics/cpu-history', async (req, res) => {
   try {
-    const [sources] = await db.query('SELECT * FROM prometheus_sources WHERE is_server_source = 1');
+    const [sources] = await db.query('SELECT * FROM prometheus_sources WHERE is_server_source = 1 AND type != "blackbox"');
     if (sources.length === 0) {
       return res.json({ timestamps: [], values: [] });
     }