diff --git a/demo/web/static/index.html b/demo/web/static/index.html
index 7146930..fad328c 100644
--- a/demo/web/static/index.html
+++ b/demo/web/static/index.html
@@ -620,6 +620,18 @@ async function loadCustomers() {
 }
 
 // --- 客户详情 ---
+
+/** 切换 AI 沟通摘要的折叠/展开状态 */
+function toggleSummary() {
+  const body = document.getElementById('summary-body');
+  const arrow = document.getElementById('summary-arrow');
+  if (!body || !arrow) return;
+  const collapsed = body.style.display === 'none';
+  body.style.display = collapsed ? '' : 'none';
+  arrow.classList.toggle('rotate-90', collapsed);
+  arrow.classList.toggle('rotate-0', !collapsed);
+}
+
 async function showCustomerDetail(id) {
   currentCustomerId = id;
   currentMsgPage = 1;
@@ -643,34 +655,39 @@ async function showCustomerDetail(id) {
 
   const summary = document.getElementById('detail-summary');
   summary.innerHTML = `
-    <div class="flex items-center justify-between mb-3">
-      <h3 class="font-semibold">AI 沟通摘要</h3>
+    <div class="flex items-center justify-between mb-3 cursor-pointer select-none" onclick="toggleSummary()">
+      <div class="flex items-center gap-2">
+        <svg id="summary-arrow" class="w-4 h-4 text-gray-400 transition-transform rotate-90" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"/></svg>
+        <h3 class="font-semibold">AI 沟通摘要</h3>
+      </div>
       <span class="text-xs text-gray-400">分析时间: ${customer.last_analysis ? new Date(customer.last_analysis).toLocaleString('zh-CN') : '-'}</span>
     </div>
-    <div class="bg-gray-50 border border-gray-100 rounded-lg p-4 mb-4">
-      <p class="text-sm text-gray-700 leading-relaxed">${customer.summary || '暂无摘要'}</p>
-    </div>
-    ${(customer.key_points || []).length > 0 ? `
-    <div class="mb-4">
-      <h4 class="text-sm font-semibold mb-2 ${customer.stage === '成交' ? 'text-green-700' : 'text-orange-700'}">${customer.stage === '成交' ? '关键成交点' : '需要突破的问题点'}</h4>
-      <ul class="space-y-1.5">
-        ${(customer.key_points || []).map(p => `
-          <li class="flex gap-2 items-start text-sm">
-            <span class="${customer.stage === '成交' ? 'text-green-500' : 'text-orange-500'} shrink-0">▸</span>
-            <span class="text-gray-700">${p}</span>
-          </li>
-        `).join('')}
-      </ul>
-    </div>
-    ` : ''}
-    <div class="space-y-3 text-sm border-t pt-3">
-      <div class="flex gap-2 items-start">
-        <span class="text-gray-500 shrink-0 w-14">异议:</span>
-        <span class="text-gray-700">${(customer.objections || []).join('、') || '无'}</span>
+    <div id="summary-body" class="transition-all duration-200 overflow-hidden">
+      <div class="bg-gray-50 border border-gray-100 rounded-lg p-4 mb-4">
+        <p class="text-sm text-gray-700 leading-relaxed">${customer.summary || '暂无摘要'}</p>
       </div>
-      <div class="flex gap-2 items-start">
-        <span class="text-gray-500 shrink-0 w-14">下一步:</span>
-        <span class="text-gray-700">${customer.next_action || '-'}</span>
+      ${(customer.key_points || []).length > 0 ? `
+      <div class="mb-4">
+        <h4 class="text-sm font-semibold mb-2 ${customer.stage === '成交' ? 'text-green-700' : 'text-orange-700'}">${customer.stage === '成交' ? '关键成交点' : '需要突破的问题点'}</h4>
+        <ul class="space-y-1.5">
+          ${(customer.key_points || []).map(p => `
+            <li class="flex gap-2 items-start text-sm">
+              <span class="${customer.stage === '成交' ? 'text-green-500' : 'text-orange-500'} shrink-0">▸</span>
+              <span class="text-gray-700">${p}</span>
+            </li>
+          `).join('')}
+        </ul>
+      </div>
+      ` : ''}
+      <div class="space-y-3 text-sm border-t pt-3">
+        <div class="flex gap-2 items-start">
+          <span class="text-gray-500 shrink-0 w-14">异议:</span>
+          <span class="text-gray-700">${(customer.objections || []).join('、') || '无'}</span>
+        </div>
+        <div class="flex gap-2 items-start">
+          <span class="text-gray-500 shrink-0 w-14">下一步:</span>
+          <span class="text-gray-700">${customer.next_action || '-'}</span>
+        </div>
       </div>
     </div>
   `;