diff --git a/frontend/src/components/k8s/TopologyView.tsx b/frontend/src/components/k8s/TopologyView.tsx
index 9a6da2e..4fb34b6 100644
--- a/frontend/src/components/k8s/TopologyView.tsx
+++ b/frontend/src/components/k8s/TopologyView.tsx
@@ -46,7 +46,7 @@ export function TopologyView() {
   // 编辑节点 Dialog
   const [editDialogOpen, setEditDialogOpen] = useState(false);
   const [editingNode, setEditingNode] = useState<TopologyNode | null>(null);
-  const [editForm, setEditForm] = useState({ name: '', type: 'database', note: '' });
+  const [editForm, setEditForm] = useState<{ name: string; type: TopologyNode['type']; note: string }>({ name: '', type: 'database', note: '' });
 
   const loadClusters = useCallback(async () => {
     try {
@@ -552,7 +552,7 @@ export function TopologyView() {
             </div>
             <div className="space-y-2">
               <Label className="text-slate-300">类型</Label>
-              <Select value={editForm.type} onValueChange={(v) => setEditForm({ ...editForm, type: v })}>
+              <Select value={editForm.type} onValueChange={(v) => setEditForm({ ...editForm, type: v as TopologyNode['type'] })}>
                 <SelectTrigger className="bg-slate-800/50 border-slate-700 text-slate-200"><SelectValue /></SelectTrigger>
                 <SelectContent className="bg-slate-800 border-slate-700">
                   {CUSTOM_NODE_TYPES.map((t) => <SelectItem key={t.value} value={t.value}>{t.label} — {t.desc}</SelectItem>)}
diff --git a/frontend/src/components/monitor/alert-center/AlertCenter.tsx b/frontend/src/components/monitor/alert-center/AlertCenter.tsx
index 468af5d..79f1b96 100644
--- a/frontend/src/components/monitor/alert-center/AlertCenter.tsx
+++ b/frontend/src/components/monitor/alert-center/AlertCenter.tsx
@@ -1,98 +1,38 @@
+// 告警中心主组件 // Logan.Li
 import React, { useState, useEffect } from 'react';
 import {
-  Bell, AlertTriangle, AlertCircle, CheckCircle, XCircle, Clock, Filter,
-  Search, RefreshCw, Settings, Eye, Check, X, Volume2, VolumeX, Mail,
-  MessageSquare, Phone, User, Server, TrendingUp, TrendingDown, BarChart3,
-  Calendar, Download, MoreHorizontal, ChevronDown, ChevronUp, Zap, Shield,
-  Activity, Layers, Info, Plus, ChevronRight
+  AlertTriangle, AlertCircle, CheckCircle, Zap, Search, RefreshCw,
+  Eye, Check, VolumeX,
 } from 'lucide-react';
 import { Button } from '@/components/ui/button';
 import { Input } from '@/components/ui/input';
 import { Badge } from '@/components/ui/badge';
-import { Card, CardContent, CardHeader, CardTitle, CardDescription } from '@/components/ui/card';
+import { Card, CardContent } from '@/components/ui/card';
 import {
-  Dialog, DialogContent, DialogHeader, DialogTitle, DialogDescription, DialogFooter
-} from '@/components/ui/dialog';
-import {
-  Select, SelectContent, SelectItem, SelectTrigger, SelectValue
+  Select, SelectContent, SelectItem, SelectTrigger, SelectValue,
 } from '@/components/ui/select';
 import { Tabs, TabsContent, TabsList, TabsTrigger } from '@/components/ui/tabs';
-import { Label } from '@/components/ui/label';
 import { Switch } from '@/components/ui/switch';
-import { Separator } from '@/components/ui/separator';
-import { ScrollArea } from '@/components/ui/scroll-area';
 import { toast } from 'sonner';
-import { useConfirm } from '@/components/ui/confirm-dialog';
-import { alertCenterApi, alertApi } from '@/services/api';
+import { alertCenterApi } from '@/services/api';
+import {
+  type Alert, type AlertRule, mapAlert, getSeverityBadge, getStatusBadge,
+} from './alert-center-helpers';
 import { AlertDetailDialog, AlertSilenceDialog } from './AlertCenterDetail';
-
-export interface Alert {
-  id: string;
-  title: string;
-  description: string;
-  severity: 'critical' | 'warning' | 'info';
-  status: 'firing' | 'resolved' | 'acknowledged' | 'suppressed';
-  source: string;
-  service: string;
-  metric: string;
-  value: number;
-  threshold: number;
-  startedAt: string;
-  resolvedAt?: string;
-  acknowledgedBy?: string;
-  acknowledgedAt?: string;
-  runbookUrl?: string;
-  labels: Record<string, string>;
-  annotations: Record<string, string>;
-}
-
-// Logan.Li — 字段名与后端 alert.go AlertRule 对齐
-interface AlertRule {
-  id: number;
-  name: string;
-  description: string;
-  enabled: boolean;
-  severity: string;
-  type?: string;
-  source?: string;
-  expression?: string;
-  duration?: number;
-  threshold?: number;
-  labels?: string;
-  annotations?: string;
-  notify_channels?: string;
-  created_at?: string;
-  updated_at?: string;
-}
-
-interface NotificationChannel {
-  id: number;
-  name: string;
-  type: string;
-  enabled: boolean;
-  config: string;
-  test_status?: string;
-}
+import { AlertChannelsTab } from './AlertChannelsTab';
 
 const AlertCenter: React.FC = () => {
-  const _confirm = useConfirm();
   const [alerts, setAlerts] = useState<Alert[]>([]);
   const [rules, setRules] = useState<AlertRule[]>([]);
-  const [channels, setChannels] = useState<NotificationChannel[]>([]);
   const [loading, setLoading] = useState(false);
   const [searchQuery, setSearchQuery] = useState('');
-  const [severityFilter, setSeverityFilter] = useState<string>('all');
-  const [statusFilter, setStatusFilter] = useState<string>('all');
+  const [severityFilter, setSeverityFilter] = useState('all');
+  const [statusFilter, setStatusFilter] = useState('all');
   const [activeTab, setActiveTab] = useState('alerts');
   const [selectedAlert, setSelectedAlert] = useState<Alert | null>(null);
   const [detailOpen, setDetailOpen] = useState(false);
   const [silenceOpen, setSilenceOpen] = useState(false);
-  const [stats, setStats] = useState({
-    firing: 0,
-    critical: 0,
-    warning: 0,
-    resolved: 0
-  });
+  const [stats, setStats] = useState({ firing: 0, critical: 0, warning: 0, resolved: 0 });
 
   useEffect(() => {
     fetchData();
@@ -101,39 +41,24 @@ const AlertCenter: React.FC = () => {
   }, []);
 
   const fetchData = async () => {
-    await Promise.all([fetchAlerts(), fetchRules(), fetchChannels()]);
+    await Promise.all([fetchAlerts(), fetchRules()]);
   };
 
+  // Logan.Li — 获取告警列表
   const fetchAlerts = async () => {
     setLoading(true);
     try {
       const res = await alertCenterApi.getAlerts();
       const raw = (res.list || []) as any[];
-      // Logan.Li — 后端字段映射到前端 Alert 接口
-      const data: Alert[] = raw.map(a => ({
-        id: String(a.id),
-        title: a.rule_name || a.title || `告警 #${a.id}`,
-        description: a.message || a.description || '',
-        severity: a.severity || 'info',
-        status: a.status || 'firing',
-        source: a.target || a.source || '',
-        service: a.service || '',
-        metric: a.metric || '',
-        value: a.value || 0,
-        threshold: a.threshold || 0,
-        startedAt: a.started_at || a.startedAt || a.created_at || new Date().toISOString(),
-        resolvedAt: a.resolved_at || a.resolvedAt,
-        labels: typeof a.labels === 'string' ? (() => { try { return JSON.parse(a.labels || '{}'); } catch { return {}; } })() : (a.labels || {}),
-        annotations: typeof a.annotations === 'string' ? (() => { try { return JSON.parse(a.annotations || '{}'); } catch { return {}; } })() : (a.annotations || {}),
-      }));
+      const data: Alert[] = raw.map(mapAlert);
       setAlerts(data);
       setStats({
-        firing: data.filter((a: Alert) => a.status === 'firing').length,
-        critical: data.filter((a: Alert) => a.severity === 'critical' && a.status === 'firing').length,
-        warning: data.filter((a: Alert) => a.severity === 'warning' && a.status === 'firing').length,
-        resolved: data.filter((a: Alert) => a.status === 'resolved').length
+        firing: data.filter(a => a.status === 'firing').length,
+        critical: data.filter(a => a.severity === 'critical' && a.status === 'firing').length,
+        warning: data.filter(a => a.severity === 'warning' && a.status === 'firing').length,
+        resolved: data.filter(a => a.status === 'resolved').length,
       });
-    } catch (error) {
+    } catch {
       toast.error('获取告警失败');
     } finally {
       setLoading(false);
@@ -144,27 +69,17 @@ const AlertCenter: React.FC = () => {
     try {
       const res = await alertCenterApi.getRules();
       setRules(res.list || []);
-    } catch (error) {
+    } catch {
       toast.error('获取告警规则失败');
     }
   };
 
-  const fetchChannels = async () => {
-    try {
-      const res = await alertApi.getNotifyChannels();
-      const list = (res as any)?.list || [];
-      setChannels(list);
-    } catch (error) {
-      toast.error('获取通知渠道失败');
-    }
-  };
-
   const handleAcknowledge = async (id: string) => {
     try {
       await alertCenterApi.acknowledge(id);
       toast.success('告警已确认');
       fetchAlerts();
-    } catch (error) {
+    } catch {
       toast.error('操作失败');
     }
   };
@@ -174,7 +89,7 @@ const AlertCenter: React.FC = () => {
       await alertCenterApi.resolve(id);
       toast.success('告警已解决');
       fetchAlerts();
-    } catch (error) {
+    } catch {
       toast.error('操作失败');
     }
   };
@@ -185,7 +100,7 @@ const AlertCenter: React.FC = () => {
       toast.success('告警已静默');
       setSilenceOpen(false);
       fetchAlerts();
-    } catch (error) {
+    } catch {
       toast.error('操作失败');
     }
   };
@@ -195,128 +110,11 @@ const AlertCenter: React.FC = () => {
       await alertCenterApi.toggleRule(ruleId);
       setRules(rules.map(r => String(r.id) === ruleId ? { ...r, enabled } : r));
       toast.success('规则状态已更新');
-    } catch (error) {
+    } catch {
       toast.error('更新失败');
     }
   };
 
-  // 通知渠道管理
-  const [channelDialogOpen, setChannelDialogOpen] = useState(false);
-  const [editingChannel, setEditingChannel] = useState<NotificationChannel | null>(null);
-  const [channelForm, setChannelForm] = useState({ name: '', type: 'dingtalk', config: '' });
-  const [channelSaving, setChannelSaving] = useState(false);
-
-  const openCreateChannel = () => {
-    setEditingChannel(null);
-    setChannelForm({ name: '', type: 'dingtalk', config: '' });
-    setChannelDialogOpen(true);
-  };
-
-  const openEditChannel = (ch: NotificationChannel) => {
-    setEditingChannel(ch);
-    setChannelForm({ name: ch.name, type: ch.type, config: ch.config || '' });
-    setChannelDialogOpen(true);
-  };
-
-  const handleSaveChannel = async () => {
-    if (!channelForm.name.trim()) return;
-    setChannelSaving(true);
-    try {
-      const payload = { name: channelForm.name.trim(), type: channelForm.type, config: channelForm.config.trim() };
-      if (editingChannel) {
-        await alertApi.updateNotifyChannel(editingChannel.id, payload);
-        toast.success('渠道已更新');
-      } else {
-        await alertApi.createNotifyChannel(payload);
-        toast.success('渠道已添加');
-      }
-      setChannelDialogOpen(false);
-      fetchChannels();
-    } catch (error) {
-      toast.error('保存失败');
-    } finally {
-      setChannelSaving(false);
-    }
-  };
-
-  const handleDeleteChannel = async (id: number) => {
-    { const ok = await _confirm({ title: '删除通知渠道', description: '确定删除此通知渠道？', confirmText: '删除', variant: 'destructive' }); if (!ok) return; }
-    try {
-      await alertApi.deleteNotifyChannel(id);
-      toast.success('渠道已删除');
-      fetchChannels();
-    } catch (error) {
-      toast.error('删除失败');
-    }
-  };
-
-  const handleTestChannel = async (id: number) => {
-    try {
-      const res = await alertApi.testNotifyChannel(id);
-      const status = (res as any)?.status;
-      if (status === 'success') {
-        toast.success('测试通知已发送');
-      } else {
-        toast.warning('渠道未配置参数，请先完善配置');
-      }
-      fetchChannels();
-    } catch (error) {
-      toast.error('测试失败');
-    }
-  };
-
-  const handleToggleChannel = async (ch: NotificationChannel) => {
-    try {
-      await alertApi.updateNotifyChannel(ch.id, { enabled: !ch.enabled });
-      fetchChannels();
-    } catch (error) {
-      toast.error('操作失败');
-    }
-  };
-
-  const getChannelTypeLabel = (type: string) => {
-    const map: Record<string, string> = { dingtalk: '钉钉', wechat: '企业微信', email: '邮件', sms: '短信', webhook: 'Webhook' };
-    return map[type] || type;
-  };
-
-  const getSeverityBadge = (severity: string) => {
-    switch (severity) {
-      case 'critical':
-        return <Badge variant="destructive" className="gap-1"><AlertCircle className="w-3 h-3" />严重</Badge>;
-      case 'warning':
-        return <Badge variant="default" className="bg-orange-500 gap-1"><AlertTriangle className="w-3 h-3" />警告</Badge>;
-      case 'info':
-        return <Badge variant="default" className="bg-blue-500 gap-1"><Info className="w-3 h-3" />信息</Badge>;
-      default:
-        return <Badge variant="secondary">未知</Badge>;
-    }
-  };
-
-  const getStatusBadge = (status: string) => {
-    switch (status) {
-      case 'firing':
-        return <Badge variant="destructive" className="gap-1 animate-pulse"><Zap className="w-3 h-3" />触发中</Badge>;
-      case 'acknowledged':
-        return <Badge variant="default" className="bg-yellow-500 gap-1"><User className="w-3 h-3" />已确认</Badge>;
-      case 'resolved':
-        return <Badge variant="default" className="bg-green-500 gap-1"><CheckCircle className="w-3 h-3" />已解决</Badge>;
-      case 'suppressed':
-        return <Badge variant="secondary" className="gap-1"><VolumeX className="w-3 h-3" />已静默</Badge>;
-      default:
-        return <Badge variant="secondary">未知</Badge>;
-    }
-  };
-
-  const getChannelIcon = (type: string) => {
-    switch (type) {
-      case 'email': return <Mail className="w-4 h-4" />;
-      case 'slack': return <MessageSquare className="w-4 h-4" />;
-      case 'sms': return <Phone className="w-4 h-4" />;
-      case 'webhook': return <Zap className="w-4 h-4" />;
-      default: return <Bell className="w-4 h-4" />;
-    }
-  };
-
   const filteredAlerts = alerts.filter(alert => {
     const matchSearch = alert.title.toLowerCase().includes(searchQuery.toLowerCase()) ||
                        alert.description.toLowerCase().includes(searchQuery.toLowerCase()) ||
@@ -391,8 +189,8 @@ const AlertCenter: React.FC = () => {
           <TabsTrigger value="channels">通知渠道</TabsTrigger>
         </TabsList>
 
+        {/* 告警列表 Tab */}
         <TabsContent value="alerts" className="space-y-4">
-          {/* 过滤栏 */}
           <div className="flex flex-wrap items-center justify-between gap-4">
             <div className="flex items-center gap-2 flex-1 min-w-[300px]">
               <div className="relative flex-1">
@@ -427,12 +225,10 @@ const AlertCenter: React.FC = () => {
                 </SelectContent>
               </Select>
             </div>
-            <div className="flex items-center gap-2">
-              <Button variant="outline" onClick={fetchAlerts}>
-                <RefreshCw className="w-4 h-4 mr-2" />
-                刷新
-              </Button>
-            </div>
+            <Button variant="outline" onClick={fetchAlerts}>
+              <RefreshCw className="w-4 h-4 mr-2" />
+              刷新
+            </Button>
           </div>
 
           {/* 告警列表 */}
@@ -452,13 +248,9 @@ const AlertCenter: React.FC = () => {
                   </thead>
                   <tbody className="divide-y">
                     {loading ? (
-                      <tr>
-                        <td colSpan={6} className="px-4 py-8 text-center text-muted-foreground">加载中...</td>
-                      </tr>
+                      <tr><td colSpan={6} className="px-4 py-8 text-center text-muted-foreground">加载中...</td></tr>
                     ) : filteredAlerts.length === 0 ? (
-                      <tr>
-                        <td colSpan={6} className="px-4 py-8 text-center text-muted-foreground">暂无告警</td>
-                      </tr>
+                      <tr><td colSpan={6} className="px-4 py-8 text-center text-muted-foreground">暂无告警</td></tr>
                     ) : (
                       filteredAlerts.map((alert) => (
                         <tr key={alert.id} className="hover:bg-muted/50">
@@ -480,41 +272,28 @@ const AlertCenter: React.FC = () => {
                           <td className="px-4 py-3 text-sm text-muted-foreground">
                             {alert.status === 'resolved' && alert.resolvedAt
                               ? `${Math.floor((new Date(alert.resolvedAt).getTime() - new Date(alert.startedAt).getTime()) / 60000)}分钟`
-                              : `${Math.floor((Date.now() - new Date(alert.startedAt).getTime()) / 60000)}分钟`
-                            }
+                              : `${Math.floor((Date.now() - new Date(alert.startedAt).getTime()) / 60000)}分钟`}
                           </td>
                           <td className="px-4 py-3">
                             <div className="flex items-center gap-1">
-                              <Button
-                                variant="ghost"
-                                size="sm"
-                                onClick={() => { setSelectedAlert(alert); setDetailOpen(true); }}
-                              >
+                              <Button variant="ghost" size="sm"
+                                onClick={() => { setSelectedAlert(alert); setDetailOpen(true); }}>
                                 <Eye className="w-4 h-4" />
                               </Button>
                               {alert.status === 'firing' && (
-                                <Button
-                                  variant="ghost"
-                                  size="sm"
-                                  onClick={() => handleAcknowledge(alert.id)}
-                                >
+                                <Button variant="ghost" size="sm"
+                                  onClick={() => handleAcknowledge(alert.id)}>
                                   <Check className="w-4 h-4 text-blue-600" />
                                 </Button>
                               )}
                               {(alert.status === 'firing' || alert.status === 'acknowledged') && (
-                                <Button
-                                  variant="ghost"
-                                  size="sm"
-                                  onClick={() => handleResolve(alert.id)}
-                                >
+                                <Button variant="ghost" size="sm"
+                                  onClick={() => handleResolve(alert.id)}>
                                   <CheckCircle className="w-4 h-4 text-green-600" />
                                 </Button>
                               )}
-                              <Button
-                                variant="ghost"
-                                size="sm"
-                                onClick={() => { setSelectedAlert(alert); setSilenceOpen(true); }}
-                              >
+                              <Button variant="ghost" size="sm"
+                                onClick={() => { setSelectedAlert(alert); setSilenceOpen(true); }}>
                                 <VolumeX className="w-4 h-4 text-orange-600" />
                               </Button>
                             </div>
@@ -529,14 +308,13 @@ const AlertCenter: React.FC = () => {
           </Card>
         </TabsContent>
 
+        {/* 告警规则 Tab */}
         <TabsContent value="rules" className="space-y-4">
           <div className="flex justify-between items-center">
-            <div className="flex items-center gap-2">
-              <Button variant="outline" onClick={fetchRules}>
-                <RefreshCw className="w-4 h-4 mr-2" />
-                刷新
-              </Button>
-            </div>
+            <Button variant="outline" onClick={fetchRules}>
+              <RefreshCw className="w-4 h-4 mr-2" />
+              刷新
+            </Button>
           </div>
           <div className="grid grid-cols-1 gap-4">
             {rules.map((rule) => (
@@ -559,15 +337,15 @@ const AlertCenter: React.FC = () => {
                         {rule.duration ? <span>持续 {rule.duration}秒</span> : null}
                       </div>
                       {(() => {
-                        let channels: string[] = [];
+                        let chs: string[] = [];
                         try {
                           const raw = rule.notify_channels;
-                          if (raw) channels = Array.isArray(raw) ? raw : JSON.parse(raw);
+                          if (raw) chs = Array.isArray(raw) ? raw : JSON.parse(raw);
                         } catch { /* ignore */ }
-                        if (!channels.length) return null;
+                        if (!chs.length) return null;
                         return (
                           <div className="flex gap-1 mt-2">
-                            {channels.map(ch => (
+                            {chs.map(ch => (
                               <Badge key={ch} variant="outline" className="text-xs">{ch}</Badge>
                             ))}
                           </div>
@@ -587,63 +365,9 @@ const AlertCenter: React.FC = () => {
           </div>
         </TabsContent>
 
-        <TabsContent value="channels" className="space-y-4">
-          <div className="flex justify-between items-center">
-            <div className="flex items-center gap-2">
-              <Button variant="outline" onClick={fetchChannels}>
-                <RefreshCw className="w-4 h-4 mr-2" />
-                刷新
-              </Button>
-            </div>
-            <Button onClick={openCreateChannel}>
-              <Plus className="w-4 h-4 mr-2" />
-              添加渠道
-            </Button>
-          </div>
-          {channels.length === 0 ? (
-            <div className="text-center py-16 text-muted-foreground border border-dashed rounded-lg">
-              暂无通知渠道，点击「添加渠道」创建
-            </div>
-          ) : (
-            <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
-              {channels.map((channel) => (
-                <Card key={channel.id} className="cursor-pointer hover:border-primary/50 transition-colors" >
-                  <CardHeader className="pb-3" onClick={() => openEditChannel(channel)}>
-                    <div className="flex items-start justify-between">
-                      <div className="flex items-center gap-2">
-                        {getChannelIcon(channel.type)}
-                        <CardTitle className="text-base">{channel.name}</CardTitle>
-                      </div>
-                      <Badge variant={channel.enabled ? 'default' : 'secondary'} className={channel.enabled ? 'bg-green-600' : ''}>
-                        {channel.enabled ? '已启用' : '已禁用'}
-                      </Badge>
-                    </div>
-                  </CardHeader>
-                  <CardContent className="pt-0">
-                    <div className="text-sm text-muted-foreground mb-3">
-                      类型: {getChannelTypeLabel(channel.type)}
-                      {channel.test_status === 'success' && (
-                        <span className="ml-2 text-green-500">测试通过</span>
-                      )}
-                    </div>
-                    <div className="flex gap-2">
-                      <Button variant="outline" size="sm" className="flex-1" onClick={() => handleTestChannel(channel.id)}>
-                        <Zap className="w-4 h-4 mr-1.5" />
-                        测试
-                      </Button>
-                      <Button variant="outline" size="sm" className="flex-1" onClick={() => handleToggleChannel(channel)}>
-                        <Settings className="w-4 h-4 mr-1.5" />
-                        {channel.enabled ? '禁用' : '启用'}
-                      </Button>
-                      <Button variant="outline" size="sm" onClick={() => handleDeleteChannel(channel.id)}>
-                        <X className="w-4 h-4" />
-                      </Button>
-                    </div>
-                  </CardContent>
-                </Card>
-              ))}
-            </div>
-          )}
+        {/* 通知渠道 Tab — 自包含子组件 */}
+        <TabsContent value="channels">
+          <AlertChannelsTab refreshKey={0} />
         </TabsContent>
       </Tabs>
 
@@ -659,63 +383,6 @@ const AlertCenter: React.FC = () => {
         onOpenChange={setSilenceOpen}
         onSilence={handleSilence}
       />
-
-      {/* 通知渠道创建/编辑对话框 */}
-      <Dialog open={channelDialogOpen} onOpenChange={setChannelDialogOpen}>
-        <DialogContent>
-          <DialogHeader>
-            <DialogTitle>{editingChannel ? '编辑通知渠道' : '添加通知渠道'}</DialogTitle>
-            <DialogDescription>配置告警通知渠道（钉钉/企业微信/邮件/短信/Webhook）</DialogDescription>
-          </DialogHeader>
-          <div className="space-y-4">
-            <div className="space-y-2">
-              <Label>渠道名称 *</Label>
-              <Input
-                value={channelForm.name}
-                onChange={(e) => setChannelForm({ ...channelForm, name: e.target.value })}
-                placeholder="如：运维告警群"
-              />
-            </div>
-            <div className="space-y-2">
-              <Label>渠道类型</Label>
-              <Select value={channelForm.type} onValueChange={(v) => setChannelForm({ ...channelForm, type: v })}>
-                <SelectTrigger>
-                  <SelectValue />
-                </SelectTrigger>
-                <SelectContent>
-                  <SelectItem value="dingtalk">钉钉</SelectItem>
-                  <SelectItem value="wechat">企业微信</SelectItem>
-                  <SelectItem value="email">邮件</SelectItem>
-                  <SelectItem value="sms">短信</SelectItem>
-                  <SelectItem value="webhook">Webhook</SelectItem>
-                </SelectContent>
-              </Select>
-            </div>
-            <div className="space-y-2">
-              <Label>配置（JSON）</Label>
-              <Input
-                value={channelForm.config}
-                onChange={(e) => setChannelForm({ ...channelForm, config: e.target.value })}
-                placeholder='{"webhook":"https://...","secret":"..."}'
-                className="font-mono text-sm"
-              />
-              <p className="text-xs text-muted-foreground">
-                {channelForm.type === 'dingtalk' && '钉钉机器人: webhook URL + secret'}
-                {channelForm.type === 'wechat' && '企业微信: webhook URL'}
-                {channelForm.type === 'email' && '邮件: {"to":"ops@ezops.io"}'}
-                {channelForm.type === 'sms' && '短信: {"phones":"13800138000"}'}
-                {channelForm.type === 'webhook' && 'Webhook: {"url":"https://..."}'}
-              </p>
-            </div>
-          </div>
-          <DialogFooter>
-            <Button variant="outline" onClick={() => setChannelDialogOpen(false)}>取消</Button>
-            <Button onClick={handleSaveChannel} disabled={!channelForm.name.trim() || channelSaving}>
-              {channelSaving ? '保存中...' : editingChannel ? '保存修改' : '添加渠道'}
-            </Button>
-          </DialogFooter>
-        </DialogContent>
-      </Dialog>
     </div>
   );
 };
diff --git a/frontend/src/components/monitor/alert-center/AlertCenterDetail.tsx b/frontend/src/components/monitor/alert-center/AlertCenterDetail.tsx
index 946b9fc..6141245 100644
--- a/frontend/src/components/monitor/alert-center/AlertCenterDetail.tsx
+++ b/frontend/src/components/monitor/alert-center/AlertCenterDetail.tsx
@@ -1,26 +1,11 @@
-import {
-  Check, ChevronRight, AlertCircle, AlertTriangle, Info,
-} from 'lucide-react';
+import { Check, ChevronRight } from 'lucide-react';
 import { Button } from '@/components/ui/button';
 import { Badge } from '@/components/ui/badge';
 import { Label } from '@/components/ui/label';
 import {
   Dialog, DialogContent, DialogHeader, DialogTitle, DialogDescription, DialogFooter,
 } from '@/components/ui/dialog';
-import type { Alert } from './AlertCenter';
-
-function getSeverityBadge(severity: string) {
-  switch (severity) {
-    case 'critical':
-      return <Badge variant="destructive" className="gap-1"><AlertCircle className="w-3 h-3" />严重</Badge>;
-    case 'warning':
-      return <Badge variant="default" className="bg-orange-500 gap-1"><AlertTriangle className="w-3 h-3" />警告</Badge>;
-    case 'info':
-      return <Badge variant="default" className="bg-blue-500 gap-1"><Info className="w-3 h-3" />信息</Badge>;
-    default:
-      return <Badge variant="secondary">未知</Badge>;
-  }
-}
+import { type Alert, getSeverityBadge } from './alert-center-helpers'; // Logan.Li — 统一从 helpers 导入
 
 export function AlertDetailDialog({
   alert,
diff --git a/frontend/src/components/monitor/alert-center/AlertChannelDialog.tsx b/frontend/src/components/monitor/alert-center/AlertChannelDialog.tsx
new file mode 100644
index 0000000..794f79a
--- /dev/null
+++ b/frontend/src/components/monitor/alert-center/AlertChannelDialog.tsx
@@ -0,0 +1,121 @@
+// 通知渠道创建/编辑对话框 // Logan.Li
+import React, { useState, useEffect } from 'react';
+import {
+  Dialog, DialogContent, DialogHeader, DialogTitle, DialogDescription, DialogFooter,
+} from '@/components/ui/dialog';
+import { Button } from '@/components/ui/button';
+import { Input } from '@/components/ui/input';
+import { Label } from '@/components/ui/label';
+import {
+  Select, SelectContent, SelectItem, SelectTrigger, SelectValue,
+} from '@/components/ui/select';
+import { toast } from 'sonner';
+import { alertApi } from '@/services/api';
+import type { NotificationChannel } from './alert-center-helpers';
+
+const CHANNEL_TYPES = [
+  { value: 'dingtalk', label: '钉钉', hint: '钉钉机器人: webhook URL + secret' },
+  { value: 'wechat', label: '企业微信', hint: '企业微信: webhook URL' },
+  { value: 'email', label: '邮件', hint: '邮件: {"to":"ops@ezops.io"}' },
+  { value: 'sms', label: '短信', hint: '短信: {"phones":"13800138000"}' },
+  { value: 'webhook', label: 'Webhook', hint: 'Webhook: {"url":"https://..."}' },
+];
+
+export function AlertChannelDialog({
+  open,
+  onOpenChange,
+  editingChannel,
+  onSaved,
+}: {
+  open: boolean;
+  onOpenChange: (open: boolean) => void;
+  editingChannel: NotificationChannel | null;
+  onSaved: () => void;
+}) {
+  const [form, setForm] = useState({ name: '', type: 'dingtalk', config: '' });
+  const [saving, setSaving] = useState(false);
+
+  // Logan.Li — 对话框打开时同步编辑数据
+  useEffect(() => {
+    if (open) {
+      if (editingChannel) {
+        setForm({ name: editingChannel.name, type: editingChannel.type, config: editingChannel.config || '' });
+      } else {
+        setForm({ name: '', type: 'dingtalk', config: '' });
+      }
+    }
+  }, [open, editingChannel]);
+
+  const handleSave = async () => {
+    if (!form.name.trim()) return;
+    setSaving(true);
+    try {
+      const payload = { name: form.name.trim(), type: form.type, config: form.config.trim() };
+      if (editingChannel) {
+        await alertApi.updateNotifyChannel(editingChannel.id, payload);
+        toast.success('渠道已更新');
+      } else {
+        await alertApi.createNotifyChannel(payload);
+        toast.success('渠道已添加');
+      }
+      onOpenChange(false);
+      onSaved();
+    } catch {
+      toast.error('保存失败');
+    } finally {
+      setSaving(false);
+    }
+  };
+
+  const currentHint = CHANNEL_TYPES.find(t => t.value === form.type)?.hint || '';
+
+  return (
+    <Dialog open={open} onOpenChange={onOpenChange}>
+      <DialogContent>
+        <DialogHeader>
+          <DialogTitle>{editingChannel ? '编辑通知渠道' : '添加通知渠道'}</DialogTitle>
+          <DialogDescription>配置告警通知渠道（钉钉/企业微信/邮件/短信/Webhook）</DialogDescription>
+        </DialogHeader>
+        <div className="space-y-4">
+          <div className="space-y-2">
+            <Label>渠道名称 *</Label>
+            <Input
+              value={form.name}
+              onChange={(e) => setForm({ ...form, name: e.target.value })}
+              placeholder="如：运维告警群"
+            />
+          </div>
+          <div className="space-y-2">
+            <Label>渠道类型</Label>
+            <Select value={form.type} onValueChange={(v) => setForm({ ...form, type: v })}>
+              <SelectTrigger>
+                <SelectValue />
+              </SelectTrigger>
+              <SelectContent>
+                {CHANNEL_TYPES.map(t => (
+                  <SelectItem key={t.value} value={t.value}>{t.label}</SelectItem>
+                ))}
+              </SelectContent>
+            </Select>
+          </div>
+          <div className="space-y-2">
+            <Label>配置（JSON）</Label>
+            <Input
+              value={form.config}
+              onChange={(e) => setForm({ ...form, config: e.target.value })}
+              placeholder='{"webhook":"https://...","secret":"..."}'
+              className="font-mono text-sm"
+            />
+            <p className="text-xs text-muted-foreground">{currentHint}</p>
+          </div>
+        </div>
+        <DialogFooter>
+          <Button variant="outline" onClick={() => onOpenChange(false)}>取消</Button>
+          <Button onClick={handleSave} disabled={!form.name.trim() || saving}>
+            {saving ? '保存中...' : editingChannel ? '保存修改' : '添加渠道'}
+          </Button>
+        </DialogFooter>
+      </DialogContent>
+    </Dialog>
+  );
+}
diff --git a/frontend/src/components/monitor/alert-center/AlertChannelsTab.tsx b/frontend/src/components/monitor/alert-center/AlertChannelsTab.tsx
new file mode 100644
index 0000000..462410d
--- /dev/null
+++ b/frontend/src/components/monitor/alert-center/AlertChannelsTab.tsx
@@ -0,0 +1,152 @@
+// 通知渠道管理 Tab（自包含：状态+API+渲染） // Logan.Li
+import React, { useState, useCallback, useEffect } from 'react';
+import { Plus, RefreshCw, Zap, Settings, X } from 'lucide-react';
+import { Button } from '@/components/ui/button';
+import { Badge } from '@/components/ui/badge';
+import { Card, CardHeader, CardTitle, CardContent } from '@/components/ui/card';
+import { toast } from 'sonner';
+import { useConfirm } from '@/components/ui/confirm-dialog';
+import { alertApi } from '@/services/api';
+import {
+  type NotificationChannel, getChannelIcon, getChannelTypeLabel,
+} from './alert-center-helpers';
+import { AlertChannelDialog } from './AlertChannelDialog';
+
+export const AlertChannelsTab: React.FC<{ refreshKey: number }> = ({ refreshKey }) => {
+  const _confirm = useConfirm();
+  const [channels, setChannels] = useState<NotificationChannel[]>([]);
+  const [loading, setLoading] = useState(false);
+  const [dialogOpen, setDialogOpen] = useState(false);
+  const [editingChannel, setEditingChannel] = useState<NotificationChannel | null>(null);
+
+  // Logan.Li — 获取渠道列表
+  const fetchChannels = useCallback(async () => {
+    setLoading(true);
+    try {
+      const res = await alertApi.getNotifyChannels();
+      const list = (res as any)?.list || [];
+      setChannels(list);
+    } catch {
+      toast.error('获取通知渠道失败');
+    } finally {
+      setLoading(false);
+    }
+  }, []);
+
+  useEffect(() => { fetchChannels(); }, [fetchChannels, refreshKey]);
+
+  const openCreate = () => {
+    setEditingChannel(null);
+    setDialogOpen(true);
+  };
+
+  const openEdit = (ch: NotificationChannel) => {
+    setEditingChannel(ch);
+    setDialogOpen(true);
+  };
+
+  const handleDelete = async (id: number) => {
+    const ok = await _confirm({ title: '删除通知渠道', description: '确定删除此通知渠道？', confirmText: '删除', variant: 'destructive' });
+    if (!ok) return;
+    try {
+      await alertApi.deleteNotifyChannel(id);
+      toast.success('渠道已删除');
+      fetchChannels();
+    } catch {
+      toast.error('删除失败');
+    }
+  };
+
+  const handleTest = async (id: number) => {
+    try {
+      const res = await alertApi.testNotifyChannel(id);
+      const status = (res as any)?.status;
+      if (status === 'success') {
+        toast.success('测试通知已发送');
+      } else {
+        toast.warning('渠道未配置参数，请先完善配置');
+      }
+      fetchChannels();
+    } catch {
+      toast.error('测试失败');
+    }
+  };
+
+  const handleToggle = async (ch: NotificationChannel) => {
+    try {
+      await alertApi.updateNotifyChannel(ch.id, { enabled: !ch.enabled });
+      fetchChannels();
+    } catch {
+      toast.error('操作失败');
+    }
+  };
+
+  return (
+    <div className="space-y-4">
+      <div className="flex justify-between items-center">
+        <Button variant="outline" onClick={fetchChannels}>
+          <RefreshCw className="w-4 h-4 mr-2" />
+          刷新
+        </Button>
+        <Button onClick={openCreate}>
+          <Plus className="w-4 h-4 mr-2" />
+          添加渠道
+        </Button>
+      </div>
+
+      {loading ? (
+        <div className="text-center py-16 text-muted-foreground">加载中...</div>
+      ) : channels.length === 0 ? (
+        <div className="text-center py-16 text-muted-foreground border border-dashed rounded-lg">
+          暂无通知渠道，点击「添加渠道」创建
+        </div>
+      ) : (
+        <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
+          {channels.map((channel) => (
+            <Card key={channel.id} className="cursor-pointer hover:border-primary/50 transition-colors">
+              <CardHeader className="pb-3" onClick={() => openEdit(channel)}>
+                <div className="flex items-start justify-between">
+                  <div className="flex items-center gap-2">
+                    {getChannelIcon(channel.type)}
+                    <CardTitle className="text-base">{channel.name}</CardTitle>
+                  </div>
+                  <Badge variant={channel.enabled ? 'default' : 'secondary'} className={channel.enabled ? 'bg-green-600' : ''}>
+                    {channel.enabled ? '已启用' : '已禁用'}
+                  </Badge>
+                </div>
+              </CardHeader>
+              <CardContent className="pt-0">
+                <div className="text-sm text-muted-foreground mb-3">
+                  类型: {getChannelTypeLabel(channel.type)}
+                  {channel.test_status === 'success' && (
+                    <span className="ml-2 text-green-500">测试通过</span>
+                  )}
+                </div>
+                <div className="flex gap-2">
+                  <Button variant="outline" size="sm" className="flex-1" onClick={() => handleTest(channel.id)}>
+                    <Zap className="w-4 h-4 mr-1.5" />
+                    测试
+                  </Button>
+                  <Button variant="outline" size="sm" className="flex-1" onClick={() => handleToggle(channel)}>
+                    <Settings className="w-4 h-4 mr-1.5" />
+                    {channel.enabled ? '禁用' : '启用'}
+                  </Button>
+                  <Button variant="outline" size="sm" onClick={() => handleDelete(channel.id)}>
+                    <X className="w-4 h-4" />
+                  </Button>
+                </div>
+              </CardContent>
+            </Card>
+          ))}
+        </div>
+      )}
+
+      <AlertChannelDialog
+        open={dialogOpen}
+        onOpenChange={setDialogOpen}
+        editingChannel={editingChannel}
+        onSaved={fetchChannels}
+      />
+    </div>
+  );
+};
diff --git a/frontend/src/components/monitor/alert-center/alert-center-helpers.tsx b/frontend/src/components/monitor/alert-center/alert-center-helpers.tsx
new file mode 100644
index 0000000..a1932b6
--- /dev/null
+++ b/frontend/src/components/monitor/alert-center/alert-center-helpers.tsx
@@ -0,0 +1,127 @@
+// 告警中心共享类型与辅助函数 // Logan.Li
+import React from 'react';
+import {
+  AlertCircle, AlertTriangle, Info, Zap, User, CheckCircle, VolumeX,
+  Mail, MessageSquare, Phone, Bell,
+} from 'lucide-react';
+import { Badge } from '@/components/ui/badge';
+
+/** 前端 Alert 接口 */
+export interface Alert {
+  id: string;
+  title: string;
+  description: string;
+  severity: 'critical' | 'warning' | 'info';
+  status: 'firing' | 'resolved' | 'acknowledged' | 'suppressed';
+  source: string;
+  service: string;
+  metric: string;
+  value: number;
+  threshold: number;
+  startedAt: string;
+  resolvedAt?: string;
+  acknowledgedBy?: string;
+  acknowledgedAt?: string;
+  runbookUrl?: string;
+  labels: Record<string, string>;
+  annotations: Record<string, string>;
+}
+
+// Logan.Li — 字段名与后端 alert.go AlertRule 对齐
+export interface AlertRule {
+  id: number;
+  name: string;
+  description: string;
+  enabled: boolean;
+  severity: string;
+  type?: string;
+  source?: string;
+  expression?: string;
+  duration?: number;
+  threshold?: number;
+  labels?: string;
+  annotations?: string;
+  notify_channels?: string;
+  created_at?: string;
+  updated_at?: string;
+}
+
+export interface NotificationChannel {
+  id: number;
+  name: string;
+  type: string;
+  enabled: boolean;
+  config: string;
+  test_status?: string;
+}
+
+// Logan.Li — 后端字段映射到前端 Alert 接口
+export function mapAlert(a: any): Alert {
+  return {
+    id: String(a.id),
+    title: a.rule_name || a.title || `告警 #${a.id}`,
+    description: a.message || a.description || '',
+    severity: a.severity || 'info',
+    status: a.status || 'firing',
+    source: a.target || a.source || '',
+    service: a.service || '',
+    metric: a.metric || '',
+    value: a.value || 0,
+    threshold: a.threshold || 0,
+    startedAt: a.started_at || a.startedAt || a.created_at || new Date().toISOString(),
+    resolvedAt: a.resolved_at || a.resolvedAt,
+    labels: typeof a.labels === 'string'
+      ? (() => { try { return JSON.parse(a.labels || '{}'); } catch { return {}; } })()
+      : (a.labels || {}),
+    annotations: typeof a.annotations === 'string'
+      ? (() => { try { return JSON.parse(a.annotations || '{}'); } catch { return {}; } })()
+      : (a.annotations || {}),
+  };
+}
+
+/** 严重级别 Badge */
+export function getSeverityBadge(severity: string) {
+  switch (severity) {
+    case 'critical':
+      return <Badge variant="destructive" className="gap-1"><AlertCircle className="w-3 h-3" />严重</Badge>;
+    case 'warning':
+      return <Badge variant="default" className="bg-orange-500 gap-1"><AlertTriangle className="w-3 h-3" />警告</Badge>;
+    case 'info':
+      return <Badge variant="default" className="bg-blue-500 gap-1"><Info className="w-3 h-3" />信息</Badge>;
+    default:
+      return <Badge variant="secondary">未知</Badge>;
+  }
+}
+
+/** 告警状态 Badge */
+export function getStatusBadge(status: string) {
+  switch (status) {
+    case 'firing':
+      return <Badge variant="destructive" className="gap-1 animate-pulse"><Zap className="w-3 h-3" />触发中</Badge>;
+    case 'acknowledged':
+      return <Badge variant="default" className="bg-yellow-500 gap-1"><User className="w-3 h-3" />已确认</Badge>;
+    case 'resolved':
+      return <Badge variant="default" className="bg-green-500 gap-1"><CheckCircle className="w-3 h-3" />已解决</Badge>;
+    case 'suppressed':
+      return <Badge variant="secondary" className="gap-1"><VolumeX className="w-3 h-3" />已静默</Badge>;
+    default:
+      return <Badge variant="secondary">未知</Badge>;
+  }
+}
+
+/** 渠道类型图标 */
+export function getChannelIcon(type: string) {
+  switch (type) {
+    case 'email': return <Mail className="w-4 h-4" />;
+    case 'slack': return <MessageSquare className="w-4 h-4" />;
+    case 'sms': return <Phone className="w-4 h-4" />;
+    case 'webhook': return <Zap className="w-4 h-4" />;
+    default: return <Bell className="w-4 h-4" />;
+  }
+}
+
+/** 渠道类型中文标签 */
+export function getChannelTypeLabel(type: string) {
+  const map: Record<string, string> = { dingtalk: '钉钉', wechat: '企业微信', email: '邮件', sms: '短信', webhook: 'Webhook' };
+  return map[type] || type;
+}