diff --git a/frontend/src/App.tsx b/frontend/src/App.tsx
index f3abb9f..fb96599 100644
--- a/frontend/src/App.tsx
+++ b/frontend/src/App.tsx
@@ -17,19 +17,14 @@ import { TopologyView } from '@/components/k8s/TopologyView';
 import { AlertManager } from '@/components/monitor/AlertManager';
 import { AppReleaseManager } from '@/components/deploy/AppRelease';
 import { ApprovalFlowManager } from '@/components/approval/ApprovalFlow';
-import { NavigationPage } from '@/components/navigation/NavigationPage';
 import { ScriptManager } from '@/components/automation/ScriptManager';
 import { SystemManager } from '@/components/system/SystemManager';
 import { PipelineManager } from '@/components/deploy/PipelineManager';
 import { ReleaseManager } from '@/components/deploy/ReleaseManager';
 import { CronJobManager } from '@/components/automation/CronJobManager';
 import AnsibleManager from '@/components/automation/AnsibleManager';
-import SQLAuditManager from '@/components/audit/SQLAuditManager';
 import { AIOpsAssistant } from '@/components/aiops/AIOpsAssistant';
-import { AIOpsHub } from '@/components/aiops/AIOpsHub';
 import { AIAlertAnalyzer } from '@/components/aiops/AIAlertAnalyzer';
-import { AIScriptGenerator } from '@/components/aiops/AIScriptGenerator';
-import { AIFaultDiagnosis } from '@/components/aiops/AIFaultDiagnosis';
 import { AIPredictiveAnalytics } from '@/components/aiops/AIPredictiveAnalytics';
 import AlertCenter from '@/components/monitor/alert-center/AlertCenter';
 import TraceManager from '@/components/monitor/trace/TraceManager';
@@ -80,18 +75,13 @@ function App() {
             <Route path="alerts" element={<AlertManager />} />
             <Route path="logs" element={<AlertManager />} />
             <Route path="approval" element={<ApprovalFlowManager />} />
-            <Route path="navigation" element={<NavigationPage />} />
             {/* 自动化运维 */}
             <Route path="cronjobs" element={<CronJobManager />} />
             <Route path="scripts" element={<ScriptManager />} />
             <Route path="ansible" element={<AnsibleManager />} />
-            <Route path="sql-audit" element={<SQLAuditManager />} />
             {/* AIOps智能 */}
-            <Route path="ai-hub" element={<AIOpsHub />} />
             <Route path="ai-assistant" element={<AIOpsAssistant />} />
             <Route path="ai-alert-analyzer" element={<AIAlertAnalyzer />} />
-            <Route path="ai-script-generator" element={<AIScriptGenerator />} />
-            <Route path="ai-fault-diagnosis" element={<AIFaultDiagnosis />} />
             <Route path="ai-predictive" element={<AIPredictiveAnalytics />} />
             <Route path="users" element={<SystemManager />} />
             <Route path="roles" element={<SystemManager />} />
diff --git a/frontend/src/components/layout/Sidebar.tsx b/frontend/src/components/layout/Sidebar.tsx
index b77dcdc..0d9d94b 100644
--- a/frontend/src/components/layout/Sidebar.tsx
+++ b/frontend/src/components/layout/Sidebar.tsx
@@ -26,7 +26,6 @@ import {
   Globe,
   MapPin,
   Key,
-  Compass,
   Brain,
   FileTerminal,
   Activity,
@@ -96,7 +95,6 @@ const menuItems: MenuItem[] = [
     ],
   },
   { id: 'approval', name: '资源申请', icon: CheckSquare, path: '/approval' },
-  { id: 'navigation', name: '站内导航', icon: Compass, path: '/navigation' },
   {
     id: 'automation',
     name: '自动化运维',
@@ -105,7 +103,6 @@ const menuItems: MenuItem[] = [
       { id: 'cronjobs', name: '定时任务', icon: PlayCircle, path: '/cronjobs' },
       { id: 'scripts', name: '脚本库', icon: FileCode, path: '/scripts' },
       { id: 'ansible', name: 'Ansible', icon: FileTerminal, path: '/ansible' },
-      { id: 'sql-audit', name: 'SQL审计', icon: Shield, path: '/sql-audit' },
     ],
   },
   {
@@ -113,12 +110,9 @@ const menuItems: MenuItem[] = [
     name: 'AIOps智能',
     icon: Brain,
     children: [
-      { id: 'ai-hub', name: '智能运维中心', icon: Brain, path: '/ai-hub' },
-      { id: 'ai-assistant', name: 'AI智能助手', icon: Bot, path: '/ai-assistant' },
-      { id: 'ai-alert-analyzer', name: '告警智能分析', icon: AlertTriangle, path: '/ai-alert-analyzer' },
-      { id: 'ai-script-generator', name: 'AI脚本生成', icon: FileCode, path: '/ai-script-generator' },
-      { id: 'ai-fault-diagnosis', name: '故障智能诊断', icon: Activity, path: '/ai-fault-diagnosis' },
-      { id: 'ai-predictive', name: 'AI预测分析', icon: BarChart3, path: '/ai-predictive' },
+      { id: 'ai-assistant', name: '智能助手', icon: Bot, path: '/ai-assistant' },
+      { id: 'ai-alert-analyzer', name: '告警分析', icon: AlertTriangle, path: '/ai-alert-analyzer' },
+      { id: 'ai-predictive', name: '容量预测', icon: BarChart3, path: '/ai-predictive' },
     ],
   },
   {
diff --git a/frontend/src/components/server/ServerManager.tsx b/frontend/src/components/server/ServerManager.tsx
index 73274cf..411b2cc 100644
--- a/frontend/src/components/server/ServerManager.tsx
+++ b/frontend/src/components/server/ServerManager.tsx
@@ -46,6 +46,8 @@ import {
   RefreshCw,
 } from 'lucide-react';
 import { serverApi } from '@/services/api';
+import { useConfirm } from '@/components/ui/confirm-dialog';
+import { toast } from 'sonner';
 import type { Server as ServerType } from '@/types';
 import { CloudServerImport } from './CloudServerImport';
 import { TerminalDialog } from './TerminalDialog';
@@ -53,6 +55,7 @@ import { ExcelServerImport } from './ExcelServerImport';
 import { ServerForm, EMPTY_FORM, type ServerFormData } from './ServerForm';
 
 export function ServerManager() {
+  const confirm = useConfirm();
   const [servers, setServers] = useState<any[]>([]);
   const [loading, setLoading] = useState(true);
   const [selectedServers, setSelectedServers] = useState<string[]>([]);
@@ -136,23 +139,42 @@ export function ServerManager() {
   };
 
   const handleDelete = async (id: string) => {
+    const server = servers.find((s) => String(s.id) === String(id));
+    const ok = await confirm({
+      title: '删除服务器',
+      description: `确定删除「${server?.hostname || id}」吗？此操作不可撤销。`,
+      confirmText: '删除',
+      variant: 'destructive',
+    });
+    if (!ok) return;
     try {
       await serverApi.deleteServer(id);
+      toast.success('服务器已删除');
       loadData();
     } catch (e) {
       console.error('删除服务器失败:', e);
+      toast.error('删除失败');
     }
   };
 
   // 批量删除
   const handleBatchDelete = async () => {
     if (selectedServers.length === 0) return;
+    const ok = await confirm({
+      title: '批量删除服务器',
+      description: `确定删除选中的 ${selectedServers.length} 台服务器吗？此操作不可撤销。`,
+      confirmText: '批量删除',
+      variant: 'destructive',
+    });
+    if (!ok) return;
     try {
       await serverApi.batchDelete(selectedServers.map((id) => Number(id)));
+      toast.success(`已删除 ${selectedServers.length} 台服务器`);
       setSelectedServers([]);
       loadData();
     } catch (e) {
       console.error('批量删除失败:', e);
+      toast.error('批量删除失败');
     }
   };