diff --git a/public/css/style.css b/public/css/style.css
index 4a5cef9..3fcd38c 100644
--- a/public/css/style.css
+++ b/public/css/style.css
@@ -1982,102 +1982,4 @@ input:checked+.slider:before {
   .stat-cards {
     grid-template-columns: 1fr;
   }
-}
-
-/* ---- Network Summary Stats Premium Layout ---- */
-.network-summary-grid {
-  display: grid;
-  grid-template-columns: repeat(2, 1fr);
-  gap: 16px;
-  padding: 8px 0;
-  margin: 12px 0;
-  animation: slideInDown 0.4s cubic-bezier(0.16, 1, 0.3, 1);
-}
-
-.summary-stat-item {
-  display: flex;
-  align-items: center;
-  gap: 16px;
-  padding: 20px;
-  background: linear-gradient(145deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
-  border: 1px solid rgba(255, 255, 255, 0.05);
-  border-radius: var(--radius-lg);
-  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
-  position: relative;
-  overflow: hidden;
-}
-
-.summary-stat-item::after {
-  content: '';
-  position: absolute;
-  top: 0;
-  left: 0;
-  width: 100%;
-  height: 100%;
-  background: radial-gradient(circle at top left, rgba(99, 102, 241, 0.05), transparent 70%);
-  opacity: 0;
-  transition: opacity 0.3s;
-}
-
-.summary-stat-item:hover {
-  background: rgba(99, 102, 241, 0.08);
-  border-color: rgba(99, 102, 241, 0.3);
-  transform: translateY(-3px) scale(1.01);
-  box-shadow: 0 10px 20px -10px rgba(0, 0, 0, 0.5), 0 0 15px rgba(99, 102, 241, 0.1);
-}
-
-.summary-stat-item:hover::after {
-  opacity: 1;
-}
-
-.stat-icon-wrapper {
-  width: 44px;
-  height: 44px;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  border-radius: var(--radius-md);
-  background: rgba(99, 102, 241, 0.15);
-  color: var(--accent-indigo);
-  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
-  flex-shrink: 0;
-}
-
-.stat-rx .stat-icon-wrapper { background: rgba(34, 211, 238, 0.12); color: #22d3ee; }
-.stat-tx .stat-icon-wrapper { background: rgba(99, 102, 241, 0.12); color: #818cf8; }
-.stat-p95 .stat-icon-wrapper { background: rgba(244, 63, 94, 0.12); color: #fb7185; }
-.stat-total .stat-icon-wrapper { background: rgba(16, 185, 129, 0.12); color: #34d399; }
-
-.stat-info {
-  display: flex;
-  flex-direction: column;
-  gap: 4px;
-}
-
-.summary-stat-label {
-  font-size: 0.72rem;
-  color: var(--text-muted);
-  text-transform: uppercase;
-  letter-spacing: 0.08em;
-  font-weight: 700;
-}
-
-.summary-stat-value {
-  font-size: 1.3rem;
-  font-weight: 800;
-  color: var(--text-primary);
-  font-family: var(--font-mono);
-  letter-spacing: -0.01em;
-  line-height: 1;
-}
-
-@keyframes slideInDown {
-  from { opacity: 0; transform: translateY(-10px); }
-  to { opacity: 1; transform: translateY(0); }
-}
-
-@media (max-width: 600px) {
-  .network-summary-grid {
-    grid-template-columns: 1fr;
-  }
 }
\ No newline at end of file
diff --git a/public/js/app.js b/public/js/app.js
index 6f3b983..7c572fe 100644
--- a/public/js/app.js
+++ b/public/js/app.js
@@ -948,7 +948,7 @@
                 </svg>
             </div>
                 <div class="metric-item-content" id="metrics-content-${m.key}">
-                    <div class="chart-controls" ${m.key === 'networkTrend' ? 'style="display:none;"' : ''}>
+                    <div class="chart-controls">
                         <div class="time-range-group">
                             <div class="time-range-selector">
                                 <button class="time-range-btn ${m.key !== 'networkTrend' ? 'active' : ''}" onclick="loadMetricHistory('${m.key}', '1h', event)">1h</button>
@@ -967,8 +967,7 @@
                             </div>
                         </div>
                     </div>
-                    <div id="summary-${m.key}" style="display:none;"></div>
-                    <div class="detail-chart-wrapper" id="wrapper-${m.key}" style="${m.key === 'cpuBusy' ? 'height: 260px;' : ''}">
+                    <div class="detail-chart-wrapper" style="${m.key === 'cpuBusy' ? 'height: 260px;' : ''}">
                         <canvas id="chart-${m.key}"></canvas>
                     </div>
                 </div>
@@ -1074,93 +1073,12 @@
         data.series = null; // This tells MetricChart to draw a single line instead of stacked area
       }
 
-      if (metricKey === 'networkTrend') {
-          const stats = calculateHistoryStats(data);
-          const summaryDiv = document.getElementById(`summary-${metricKey}`);
-          const wrapperDiv = document.getElementById(`wrapper-${metricKey}`);
-          if (summaryDiv && wrapperDiv) {
-              summaryDiv.style.display = 'block';
-              wrapperDiv.style.display = 'none'; // Hide the chart canvas
-              summaryDiv.innerHTML = `
-                  <div class="network-summary-grid">
-                      <div class="summary-stat-item stat-rx">
-                          <div class="stat-icon-wrapper">
-                              <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><path d="M7 10l5 5 5-5M12 15V3"></path><path d="M4 17v2a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2v-2"></path></svg>
-                          </div>
-                          <div class="stat-info">
-                              <span class="summary-stat-label">24h 接收总量</span>
-                              <span class="summary-stat-value">${formatBytes(stats.rxTotal)}</span>
-                          </div>
-                      </div>
-                      <div class="summary-stat-item stat-tx">
-                          <div class="stat-icon-wrapper">
-                              <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><path d="M17 14l-5-5-5 5M12 9v12"></path><path d="M4 17v2a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2v-2"></path></svg>
-                          </div>
-                          <div class="stat-info">
-                              <span class="summary-stat-label">24h 发送总量</span>
-                              <span class="summary-stat-value">${formatBytes(stats.txTotal)}</span>
-                          </div>
-                      </div>
-                      <div class="summary-stat-item stat-p95">
-                          <div class="stat-icon-wrapper">
-                              <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"></circle><path d="M16 8l-8 8M12 7v10M7 12h10"></path></svg>
-                          </div>
-                          <div class="stat-info">
-                              <span class="summary-stat-label">95计费 (上行)</span>
-                              <span class="summary-stat-value">${formatBandwidth(stats.p95)}</span>
-                          </div>
-                      </div>
-                      <div class="summary-stat-item stat-total">
-                          <div class="stat-icon-wrapper">
-                              <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><path d="M21 16V8a2 2 0 0 0-1-1.73l-7-4a2 2 0 0 0-2 0l-7 4A2 2 0 0 0 3 8v8a2 2 0 0 0 1 1.73l7 4a2 2 0 0 0 2 0l7-4A2 2 0 0 0 21 16z"></path><polyline points="3.27 6.96 12 12.01 20.73 6.96"></polyline><line x1="12" y1="22.08" x2="12" y2="12"></line></svg>
-                          </div>
-                          <div class="stat-info">
-                              <span class="summary-stat-label">24h 网络总流量</span>
-                              <span class="summary-stat-value">${formatBytes(stats.total)}</span>
-                          </div>
-                      </div>
-                  </div>
-              `;
-          }
-      } else {
-          chart.setData(data);
-      }
+      chart.setData(data);
     } catch (err) {
       console.error(`Error loading history for ${metricKey}:`, err);
     }
   };
 
-  function calculateHistoryStats(data) {
-    if (!data.timestamps || data.timestamps.length < 2) {
-      return { rxTotal: 0, txTotal: 0, p95: 0, total: 0 };
-    }
-
-    const tx = data.tx || [];
-    const rx = data.rx || [];
-    const ts = data.timestamps;
-
-    let rxTotal = 0;
-    let txTotal = 0;
-
-    for (let i = 0; i < ts.length - 1; i++) {
-        const duration = (ts[i+1] - ts[i]) / 1000; // in seconds
-        rxTotal += (rx[i] || 0) * duration;
-        txTotal += (tx[i] || 0) * duration;
-    }
-
-    // P95 calculation for TX
-    const sortedTx = [...tx].sort((a, b) => a - b);
-    const p95Idx = Math.floor(sortedTx.length * 0.95);
-    const p95 = sortedTx.length > 0 ? sortedTx[p95Idx] : 0;
-
-    return {
-        rxTotal,
-        txTotal,
-        p95,
-        total: rxTotal + txTotal
-    };
-  }
-
   window.loadCustomMetricHistory = async function (metricKey, event) {
     if (event) event.stopPropagation();