diff --git a/frontend/components/gemini/ExtensionsPanel.tsx b/frontend/components/gemini/ExtensionsPanel.tsx
index 3f0d62d..5b1c413 100644
--- a/frontend/components/gemini/ExtensionsPanel.tsx
+++ b/frontend/components/gemini/ExtensionsPanel.tsx
@@ -251,30 +251,28 @@ export function ExtensionsPanel({
 
 // 工单摘要组件 - 显示在对话区域
 interface TicketSummaryProps {
-  tickets: {
-    id: string;
-    title: string;
-    status: "pending" | "processing" | "resolved";
-    priority: "P0" | "P1" | "P2" | "P3";
-    createdAt: string;
-  }[];
+  summary: {
+    total: number;
+    by_status: { pending: number; processing: number; resolved: number };
+    by_priority: { P0: number; P1: number; P2: number; P3: number };
+  };
 }
 
-export function TicketSummary({ tickets }: TicketSummaryProps) {
-  const statusMap = {
-    pending: { label: "待处理", color: "text-yellow-400 bg-yellow-900/30" },
-    processing: { label: "处理中", color: "text-blue-400 bg-blue-900/30" },
-    resolved: { label: "已解决", color: "text-green-400 bg-green-900/30" },
-  };
+export function TicketSummary({ summary }: TicketSummaryProps) {
+  const statusEntries: { key: keyof typeof summary.by_status; label: string; color: string }[] = [
+    { key: "pending", label: "待处理", color: "text-yellow-400 bg-yellow-900/30" },
+    { key: "processing", label: "处理中", color: "text-blue-400 bg-blue-900/30" },
+    { key: "resolved", label: "已解决", color: "text-green-400 bg-green-900/30" },
+  ];
 
-  const priorityColors = {
-    P0: "text-red-400",
-    P1: "text-orange-400",
-    P2: "text-yellow-400",
-    P3: "text-[var(--gem-text-muted)]",
-  };
+  const priorityEntries: { key: keyof typeof summary.by_priority; color: string }[] = [
+    { key: "P0", color: "text-red-400" },
+    { key: "P1", color: "text-orange-400" },
+    { key: "P2", color: "text-yellow-400" },
+    { key: "P3", color: "text-[var(--gem-text-muted)]" },
+  ];
 
-  if (tickets.length === 0) return null;
+  if (summary.total === 0) return null;
 
   return (
     <div className="mx-auto max-w-3xl px-4 mb-4">
@@ -282,39 +280,41 @@ export function TicketSummary({ tickets }: TicketSummaryProps) {
         <div className="flex items-center gap-2 px-4 py-2.5 border-b border-[var(--gem-border)] bg-[var(--gem-surface-hover)]">
           <Ticket size={16} className="text-[var(--gem-blue)]" />
           <span className="text-sm font-medium text-[var(--gem-text)]">工单摘要</span>
-          <span className="text-xs text-[var(--gem-text-muted)]">({tickets.length} 条待关注)</span>
+          <span className="text-xs text-[var(--gem-text-muted)]">({summary.total} 条待关注)</span>
         </div>
         <div className="divide-y divide-[var(--gem-surface-2)]">
-          {tickets.slice(0, 5).map((ticket) => (
+          {statusEntries.map(({ key, label, color }) => (
             <div
-              key={ticket.id}
+              key={key}
               className="flex items-center gap-3 px-4 py-2.5 hover:bg-[var(--gem-surface-2)] transition-colors cursor-pointer"
             >
-              <span className={cn("text-xs font-mono", priorityColors[ticket.priority])}>
-                {ticket.priority}
-              </span>
-              <span className="flex-1 text-sm text-[var(--gem-text)] truncate">
-                {ticket.title}
-              </span>
               <span
                 className={cn(
                   "text-xs px-2 py-0.5 rounded-full",
-                  statusMap[ticket.status].color
+                  color
                 )}
               >
-                {statusMap[ticket.status].label}
+                {label}
+              </span>
+              <span className="flex-1 text-sm text-[var(--gem-text)]">
+                {summary.by_status[key]} 条
+              </span>
+            </div>
+          ))}
+          {priorityEntries.map(({ key, color }) => (
+            <div
+              key={key}
+              className="flex items-center gap-3 px-4 py-2.5 hover:bg-[var(--gem-surface-2)] transition-colors cursor-pointer"
+            >
+              <span className={cn("text-xs font-mono", color)}>
+                {key}
+              </span>
+              <span className="flex-1 text-sm text-[var(--gem-text)]">
+                {summary.by_priority[key]} 条
               </span>
-              <span className="text-xs text-[var(--gem-text-placeholder)]">{ticket.createdAt}</span>
             </div>
           ))}
         </div>
-        {tickets.length > 5 && (
-          <div className="px-4 py-2 text-center border-t border-[var(--gem-surface-2)]">
-            <button className="text-xs text-[var(--gem-blue)] hover:underline">
-              查看全部 {tickets.length} 条工单
-            </button>
-          </div>
-        )}
       </div>
     </div>
   );
diff --git a/frontend/components/gemini/GeminiChat.tsx b/frontend/components/gemini/GeminiChat.tsx
index 8cb397d..11ae6d3 100644
--- a/frontend/components/gemini/GeminiChat.tsx
+++ b/frontend/components/gemini/GeminiChat.tsx
@@ -13,9 +13,9 @@ import { cn } from "@/lib/utils";
 import {
   fetchConversations,
   fetchConversation,
-  fetchTickets,
+  fetchTicketSummary,
   streamChat,
-  type TicketData,
+  type TicketSummaryData,
 } from "@/lib/api";
 
 // ── Types ────────────────────────────────────────────────────────────────────
@@ -70,7 +70,7 @@ export function GeminiChat() {
   const [isLoading, setIsLoading] = useState(false);
   const [extensionsPanelOpen, setExtensionsPanelOpen] = useState(false);
   const [extensions, setExtensions] = useState<Extension[]>(INITIAL_EXTENSIONS);
-  const [tickets, setTickets] = useState<TicketData[]>([]);
+  const [ticketSummary, setTicketSummary] = useState<TicketSummaryData | null>(null);
   const [activeTools, setActiveTools] = useState<Set<string>>(new Set());
   const [selectedModel, setSelectedModel] = useState<"flash" | "pro">("pro");
   const messagesEndRef = useRef<HTMLDivElement>(null);
@@ -95,14 +95,14 @@ export function GeminiChat() {
       });
   }, []);
 
-  // Load tickets when ticket extension connects
+  // Load ticket summary when ticket extension connects
   useEffect(() => {
     if (ticketSystemConnected) {
-      fetchTickets()
-        .then(setTickets)
-        .catch(() => setTickets([]));
+      fetchTicketSummary()
+        .then(setTicketSummary)
+        .catch(() => setTicketSummary(null));
     } else {
-      setTickets([]);
+      setTicketSummary(null);
     }
   }, [ticketSystemConnected]);
 
@@ -348,12 +348,12 @@ export function GeminiChat() {
             <>
               <GeminiWelcome onSuggestionClick={handleSuggestionClick} />
               {/* 显示工单摘要（仅当工单系统已连接） */}
-              {ticketSystemConnected && <TicketSummary tickets={tickets} />}
+              {ticketSystemConnected && ticketSummary && <TicketSummary summary={ticketSummary} />}
             </>
           ) : (
             <div className="max-w-3xl mx-auto px-4 pt-8 pb-4">
               {/* 对话中也显示工单摘要 */}
-              {ticketSystemConnected && <TicketSummary tickets={tickets} />}
+              {ticketSystemConnected && ticketSummary && <TicketSummary summary={ticketSummary} />}
               {messages.map((msg) => {
                 // Hide empty assistant message while streaming — the typing indicator covers it
                 if (msg.role === "assistant" && msg.content === "" && isLoading) {
diff --git a/frontend/lib/api.ts b/frontend/lib/api.ts
index 862d0e4..9c571fb 100644
--- a/frontend/lib/api.ts
+++ b/frontend/lib/api.ts
@@ -63,6 +63,18 @@ export async function fetchTickets(page = 1, pageSize = 20): Promise<TicketData[
   return res.json();
 }
 
+export interface TicketSummaryData {
+  total: number;
+  by_status: { pending: number; processing: number; resolved: number };
+  by_priority: { P0: number; P1: number; P2: number; P3: number };
+}
+
+export async function fetchTicketSummary(): Promise<TicketSummaryData> {
+  const res = await fetch(`${API_URL}/api/tickets/summary`);
+  if (!res.ok) throw new Error("Failed to fetch ticket summary");
+  return res.json();
+}
+
 // ── SSE Chat Stream ──────────────────────────────────────────────────────────
 
 export interface ChatStreamEvent {