diff --git a/src/frontend/src/App.tsx b/src/frontend/src/App.tsx
index d13bc0e..c860483 100644
--- a/src/frontend/src/App.tsx
+++ b/src/frontend/src/App.tsx
@@ -17,7 +17,6 @@ import CourtCeremony from './components/CourtCeremony';
 import CourtDiscussion from './components/CourtDiscussion';
 import UsagePanel from './components/UsagePanel';
 import SettingsPanel from './components/SettingsPanel';
-import ToolchainPanel from './components/ToolchainPanel';
 import GlobalSearch from './components/GlobalSearch';
 import NotificationCenter from './components/NotificationCenter';
 
@@ -101,7 +100,6 @@ export default function App() {
     usage: <UsagePanel />,
     morning: <MorningPanel />,
     settings: <SettingsPanel />,
-    toolchain: <ToolchainPanel />,
   };
 
   return (
diff --git a/src/frontend/src/components/SettingsPanel.tsx b/src/frontend/src/components/SettingsPanel.tsx
index 188bb73..47e0ee2 100644
--- a/src/frontend/src/components/SettingsPanel.tsx
+++ b/src/frontend/src/components/SettingsPanel.tsx
@@ -5,6 +5,7 @@
 
 import { useState, useCallback } from 'react';
 import { api, AgentsStatusData } from '../api';
+import ToolchainPanel from './ToolchainPanel';
 
 interface ServiceCheckResult {
   name: string;
@@ -15,7 +16,7 @@ interface ServiceCheckResult {
 }
 
 export default function SettingsPanel() {
-  const [tab, setTab] = useState<'connections' | 'security' | 'version' | 'logs'>('connections');
+  const [tab, setTab] = useState<'connections' | 'security' | 'version' | 'logs' | 'toolchain'>('connections');
 
   // 接线状态巡检
   const [checking, setChecking] = useState(false);
@@ -95,6 +96,7 @@ export default function SettingsPanel() {
           { key: 'security' as const, label: '🛡️ 安全防务' },
           { key: 'version' as const, label: '📦 版本更新' },
           { key: 'logs' as const, label: '📋 城防日志' },
+          { key: 'toolchain' as const, label: '⛓️ 工具链' },
         ].map((t) => (
           <button key={t.key} className={`btn ${tab === t.key ? 'btn-primary' : ''}`} onClick={() => setTab(t.key)}>
             {t.label}
@@ -288,6 +290,9 @@ export default function SettingsPanel() {
           </div>
         </div>
       )}
+
+      {/* ========== 工具链 ========== */}
+      {tab === 'toolchain' && <ToolchainPanel />}
     </div>
   );
 }
diff --git a/src/frontend/src/store.ts b/src/frontend/src/store.ts
index 6bfb4cb..7ca128b 100644
--- a/src/frontend/src/store.ts
+++ b/src/frontend/src/store.ts
@@ -120,7 +120,7 @@ export function isArchived(t: Task): boolean {
 export type TabKey =
   | 'tasks' | 'court' | 'monitor' | 'agents'
   | 'models' | 'skills' | 'sessions' | 'archives' | 'templates'
-  | 'usage' | 'settings' | 'officials' | 'morning' | 'mail' | 'toolchain';
+  | 'usage' | 'settings' | 'officials' | 'morning' | 'mail';
 
 export const TAB_DEFS: { key: TabKey; label: string; icon: string }[] = [
   { key: 'tasks',     label: '任务看板', icon: '📜' },
@@ -135,7 +135,6 @@ export const TAB_DEFS: { key: TabKey; label: string; icon: string }[] = [
   { key: 'archives',  label: '奏折阁',   icon: '📜' },
   { key: 'morning',   label: '早朝简报', icon: '🌅' },
   { key: 'templates', label: '任务模板', icon: '📋' },
-  { key: 'toolchain', label: '工具链',   icon: '⛓️' },
   { key: 'settings',  label: '系统设置', icon: '⚙️' },
 ];