diff --git a/src/api/ops/alertRecord.ts b/src/api/ops/alertRecord.ts
index b06c0bd..7769d40 100644
--- a/src/api/ops/alertRecord.ts
+++ b/src/api/ops/alertRecord.ts
@@ -13,6 +13,10 @@ export const fetchAlertRecords = (data: {
   keyword?: string,
   sort?: string,
   order?: string,
+  binding_id?: number,
+  resource_category?: string,
+  server_identity?: string,
+  ip?: string,
 }) => {
   return request.get("/Alert/v1/record/list", { params: data });
 };
diff --git a/src/views/ops/pages/dc/server/components/QuickConfigDialog.vue b/src/views/ops/pages/dc/server/components/QuickConfigDialog.vue
index 2bcebe7..0c5eeba 100644
--- a/src/views/ops/pages/dc/server/components/QuickConfigDialog.vue
+++ b/src/views/ops/pages/dc/server/components/QuickConfigDialog.vue
@@ -25,7 +25,7 @@
       <a-form-item label="Agent URL配置">
         <a-input
           v-model="form.agent_config"
-          placeholder="http://192.168.1.100:9100/dc-host/v1/control/command"
+          placeholder="http://192.168.1.100:9100/dc-host/stats"
           allow-clear
         />
         <template #extra>
diff --git a/src/views/ops/pages/dc/server/components/ServerFormDialog.vue b/src/views/ops/pages/dc/server/components/ServerFormDialog.vue
index 0ab0477..4b92734 100644
--- a/src/views/ops/pages/dc/server/components/ServerFormDialog.vue
+++ b/src/views/ops/pages/dc/server/components/ServerFormDialog.vue
@@ -16,16 +16,20 @@
           </a-form-item>
         </a-col>
         <a-col :span="12">
-          <a-form-item field="host" label="主机地址" required>
-            <a-input v-model="formData.host" placeholder="请输入主机地址" />
+          <a-form-item
+            field="host"
+            label="主机地址(IPv4 / IPv6)"
+            required
+          >
+            <a-input v-model="formData.host" placeholder="域名或 IP，如 server.example.com 或 192.168.1.10" />
           </a-form-item>
         </a-col>
       </a-row>
 
       <a-row :gutter="20">
         <a-col :span="12">
-          <a-form-item field="ip_address" label="IP地址">
-            <a-input v-model="formData.ip_address" placeholder="请输入IP地址" />
+          <a-form-item field="ip_address" label="IP地址" required>
+            <a-input v-model="formData.ip_address" placeholder="IPv4 或 IPv6，如 192.168.1.10" />
           </a-form-item>
         </a-col>
       </a-row>
@@ -92,7 +96,7 @@
       </a-row>
 
       <a-form-item field="agent_config" label="Agent 配置 URL">
-        <a-input v-model="formData.agent_config" placeholder="http://192.168.1.100:9100/dc-host/v1/control/command" />
+        <a-input v-model="formData.agent_config" placeholder="http://192.168.1.100:9100/dc-host/stats" />
       </a-form-item>
 
       <a-row :gutter="20">
@@ -182,9 +186,79 @@ const formData = reactive<ServerFormData>({
   ip_scan_port: 12429,
 })
 
+/** 判断是否为合法 IPv4 字符串 */
+function isIPv4String(host: string): boolean {
+  const h = host.trim()
+  if (!h) return false
+  const parts = h.split('.')
+  if (parts.length !== 4) return false
+  return parts.every((p) => {
+    if (!/^\d{1,3}$/.test(p)) return false
+    const n = Number(p)
+    return n >= 0 && n <= 255
+  })
+}
+
+/**
+ * 若主机地址为 IP，返回规范化后的 IP（IPv4 或 IPv6）；否则返回 null
+ */
+function extractIpFromHost(host: string): string | null {
+  const t = host.trim()
+  if (!t) return null
+  if (isIPv4String(t)) return t
+  if (!t.includes(':')) return null
+  try {
+    const withBrackets = t.startsWith('[') && t.endsWith(']') ? t : `[${t}]`
+    const u = new URL(`http://${withBrackets}/`)
+    if (u.hostname.includes(':')) return u.hostname
+  } catch {
+    return null
+  }
+  return null
+}
+
+/** 校验 IP 地址字段（IPv4 或 IPv6） */
+function isValidIpAddress(s: string): boolean {
+  const t = s.trim()
+  if (!t) return false
+  if (isIPv4String(t)) return true
+  try {
+    const withBrackets = t.startsWith('[') && t.endsWith(']') ? t : `[${t}]`
+    const u = new URL(`http://${withBrackets}/`)
+    return u.hostname.includes(':')
+  } catch {
+    return false
+  }
+}
+
+/** 主机为 IP 时同步到 IP 地址字段 */
+function syncIpFromHost() {
+  const ip = extractIpFromHost(formData.host)
+  if (ip) {
+    formData.ip_address = ip
+  }
+}
+
 const rules = {
   name: [{ required: true, message: '请输入服务器名称' }],
   host: [{ required: true, message: '请输入主机地址' }],
+  ip_address: [
+    { required: true, message: '请输入IP地址' },
+    {
+      validator: (value: string | undefined, cb: (error?: string) => void) => {
+        const v = (value || '').trim()
+        if (!v) {
+          cb()
+          return
+        }
+        if (!isValidIpAddress(v)) {
+          cb('请输入合法的 IPv4 或 IPv6 地址')
+          return
+        }
+        cb()
+      },
+    },
+  ],
 }
 
 function validateAgentConfigURL(raw?: string): string | null {
@@ -228,6 +302,7 @@ watch(
           is_ip_scan_server: props.record.is_ip_scan_server ?? false,
           ip_scan_port: props.record.ip_scan_port || 12429,
         })
+        syncIpFromHost()
       } else {
         Object.assign(formData, {
           server_identity: '',
@@ -255,6 +330,14 @@ watch(
   }
 )
 
+watch(
+  () => formData.host,
+  () => {
+    if (!props.visible) return
+    syncIpFromHost()
+  },
+)
+
 const handleOk = async () => {
   try {
     await formRef.value?.validate()
diff --git a/src/views/ops/pages/dc/server/index.vue b/src/views/ops/pages/dc/server/index.vue
index c0e2726..ba7941b 100644
--- a/src/views/ops/pages/dc/server/index.vue
+++ b/src/views/ops/pages/dc/server/index.vue
@@ -460,19 +460,7 @@ const handleDelete = async (record: any) => {
   })
 }
 
-/** dc-host `/dc-host/v1/control/command` 拉取本机采集指标（execute_task + service_collect） */
-const buildDcHostServiceCollectBody = () => ({
-  command: 'execute_task' as const,
-  params: {
-    task_id: 0,
-    task_name: 'service_collect',
-    type: 'host' as const,
-    config: '{}',
-    timeout: 120,
-  },
-  timestamp: new Date().toISOString(),
-})
-
+/** dc-host `GET agent_config`（一般为 `/dc-host/stats`）返回裸 Metrics JSON */
 // 获取所有服务器的监控指标
 const getAllMetrics = async () => {
   try {
@@ -485,9 +473,8 @@ const getAllMetrics = async () => {
           let metricsUrl = record.agent_config
           
           // 验证 URL 是否合法
-          let agentUrl: URL
           try {
-            agentUrl = new URL(metricsUrl)
+            new URL(metricsUrl)
           } catch (urlError) {
             console.warn(`服务器 ${record.name} 的 agent_config 不是合法的 URL:`, metricsUrl)
             // 设置默认值 0
@@ -496,12 +483,8 @@ const getAllMetrics = async () => {
             record.disk_info = { value: 0, total: '', used: '' }
             return
           }
-          // dc-host 控制面拉取指标接口为 POST
-          const isDcHostCommand = agentUrl.pathname.includes('/dc-host/v1/control/command')
           // 使用独立的 axios 实例请求外部 agent，绕过全局拦截器
-          const response = isDcHostCommand
-            ? await agentAxios.post(metricsUrl, buildDcHostServiceCollectBody())
-            : await agentAxios.get(metricsUrl)
+          const response = await agentAxios.get(metricsUrl)
           console.log('获取指标数据:', response.data)
           if (response.data) {
             // 更新记录的监控数据
diff --git a/src/views/ops/pages/monitor/os/index.vue b/src/views/ops/pages/monitor/os/index.vue
index cfbd6f2..3a72f42 100644
--- a/src/views/ops/pages/monitor/os/index.vue
+++ b/src/views/ops/pages/monitor/os/index.vue
@@ -1,827 +1,1173 @@
-<template>
-  <div class="container">
-    <div class="page-toolbar">
-      <div class="toolbar-left">
-        <span class="toolbar-label">当前服务器</span>
-        <a-select
-          v-model="selectedServerIdentity"
-          class="server-select"
-          placeholder="输入名称或地址搜索"
-          allow-search
-          allow-clear
-          :loading="serverListLoading"
-          :filter-option="filterServerOption"
-        >
-          <a-option
-            v-for="item in serverOptions"
-            :key="item.server_identity"
-            :value="item.server_identity"
-            :label="`${item.name} ${item.host} ${item.ip}`"
-          >
-            <div class="server-option">
-              <span class="server-option-name">{{ item.name }}</span>
-              <span class="server-option-ip">{{ item.ip }}</span>
-            </div>
-          </a-option>
-        </a-select>
-      </div>
-      <div v-if="activeServer" class="toolbar-meta text-muted">
-        {{ activeServer.os }} · {{ activeServer.location }}
-      </div>
-    </div>
-
-    <!-- 资源统计 -->
-    <a-spin :loading="statsLoading" style="width: 100%">
-    <a-row :gutter="16" class="stats-row">
-      <a-col :xs="24" :sm="12" :lg="6">
-        <a-card class="stats-card" :bordered="false">
-          <div class="stats-content">
-            <div class="stats-icon stats-icon-primary">
-              <icon-storage />
-            </div>
-            <div class="stats-info">
-              <div class="stats-title">内存</div>
-              <div class="stats-value">{{ stats.memory.util }}%</div>
-              <div class="stats-desc">
-                总值 {{ stats.memory.total }} · 已用 {{ stats.memory.used }}
-              </div>
-            </div>
-          </div>
-        </a-card>
-      </a-col>
-      <a-col :xs="24" :sm="12" :lg="6">
-        <a-card class="stats-card" :bordered="false">
-          <div class="stats-content">
-            <div class="stats-icon stats-icon-cyan">
-              <icon-drive-file />
-            </div>
-            <div class="stats-info">
-              <div class="stats-title">磁盘（系统盘 /）</div>
-              <div class="stats-value">{{ stats.systemDisk.util }}%</div>
-              <div class="stats-desc">
-                总值 {{ stats.systemDisk.total }} · 已用 {{ stats.systemDisk.used }}
-              </div>
-            </div>
-          </div>
-        </a-card>
-      </a-col>
-      <a-col :xs="24" :sm="12" :lg="6">
-        <a-card class="stats-card" :bordered="false">
-          <div class="stats-content">
-            <div class="stats-icon stats-icon-green">
-              <icon-code-square />
-            </div>
-            <div class="stats-info">
-              <div class="stats-title">CPU</div>
-              <div class="stats-value">{{ stats.cpu.util }}%</div>
-              <div class="stats-desc">
-                总值 {{ stats.cpu.total }} · 已用 {{ stats.cpu.used }}
-              </div>
-            </div>
-          </div>
-        </a-card>
-      </a-col>
-      <a-col :xs="24" :sm="12" :lg="6">
-        <a-card class="stats-card" :bordered="false">
-          <div class="stats-content">
-            <div class="stats-icon stats-icon-purple">
-              <icon-folder />
-            </div>
-            <div class="stats-info">
-              <div class="stats-title">硬盘（数据盘汇总）</div>
-              <div class="stats-value">{{ stats.dataDisk.util }}%</div>
-              <div class="stats-desc">
-                总值 {{ stats.dataDisk.total }} · 已用 {{ stats.dataDisk.used }}
-              </div>
-            </div>
-          </div>
-        </a-card>
-      </a-col>
-    </a-row>
-    </a-spin>
-
-    <a-row :gutter="16" class="chart-row">
-      <a-col :xs="24" :lg="14">
-        <a-card title="网络流量（近 6 小时）" :bordered="false">
-          <template #extra>
-            <a-space>
-              <span class="legend-item">
-                <span class="legend-dot legend-dot-1"></span>
-                <span>接收</span>
-              </span>
-              <span class="legend-item">
-                <span class="legend-dot legend-dot-2"></span>
-                <span>发送</span>
-              </span>
-            </a-space>
-          </template>
-          <a-spin :loading="chartLoading" class="chart-spin">
-            <p v-if="trafficHint" class="traffic-hint text-muted">{{ trafficHint }}</p>
-            <div class="chart-container">
-              <Chart :options="trafficChartOptions" height="300px" />
-            </div>
-          </a-spin>
-        </a-card>
-      </a-col>
-      <a-col :xs="24" :lg="10">
-        <a-card title="最近告警" :bordered="false">
-          <template #extra>
-            <span class="text-muted">当前主机 · 最近 5 条</span>
-          </template>
-          <a-spin :loading="alertsLoading" class="alert-spin">
-            <div v-if="recentAlerts.length" class="alert-list">
-              <div
-                v-for="item in recentAlerts"
-                :key="item.id"
-                class="alert-item"
-              >
-                <div class="alert-item-top">
-                  <span class="alert-item-name" :title="item.alert_name">{{
-                    item.alert_name || '-'
-                  }}</span>
-                  <a-tag
-                    v-if="item.severity"
-                    size="small"
-                    :color="item.severity.color || undefined"
-                  >
-                    {{ item.severity.name }}
-                  </a-tag>
-                </div>
-                <div class="alert-item-meta">
-                  <a-tag size="small" :color="alertStatusColor(item.status)">
-                    {{ alertStatusText(item.status) }}
-                  </a-tag>
-                  <span class="alert-item-time">{{
-                    formatAlertTime(item.starts_at)
-                  }}</span>
-                </div>
-                <div v-if="item.summary" class="alert-item-summary text-muted">
-                  {{ item.summary }}
-                </div>
-              </div>
-            </div>
-            <a-empty
-              v-else
-              class="alert-empty"
-              description="暂无与该主机相关的告警"
-            />
-          </a-spin>
-        </a-card>
-      </a-col>
-    </a-row>
-  </div>
-</template>
-
-<script lang="ts" setup>
-import { computed, onMounted, ref, watch } from 'vue'
-import dayjs from 'dayjs'
-import { Message } from '@arco-design/web-vue'
-import {
-  IconStorage,
-  IconDriveFile,
-  IconCodeSquare,
-  IconFolder,
-} from '@arco-design/web-vue/es/icon'
-import Chart from '@/components/chart/index.vue'
-import {
-  fetchServerList,
-  fetchServerMetricsSummary,
-  fetchServerNetworkTraffic,
-  type HostMetricsDiskMount,
-  type HostMetricsSummary,
-  type HostNetworkTrafficPayload,
-  type ServerItem,
-} from '@/api/ops/server'
-import { fetchAlertRecords } from '@/api/ops/alertRecord'
-
-interface ServerOption {
-  server_identity: string
-  name: string
-  host: string
-  ip: string
-  os: string
-  location: string
-}
-
-interface MetricBlock {
-  total: string
-  used: string
-  util: number
-}
-
-interface ServerMetrics {
-  memory: MetricBlock
-  systemDisk: MetricBlock
-  cpu: MetricBlock
-  dataDisk: MetricBlock
-}
-
-const serverListLoading = ref(false)
-const statsLoading = ref(false)
-const chartLoading = ref(false)
-const alertsLoading = ref(false)
-
-/** 与当前选中主机相关的最近告警（来自 Alert record/list） */
-const recentAlerts = ref<any[]>([])
-
-const serverOptions = ref<ServerOption[]>([])
-const selectedServerIdentity = ref<string | undefined>(undefined)
-
-const summaryPayload = ref<HostMetricsSummary | null>(null)
-const trafficPayload = ref<HostNetworkTrafficPayload | null>(null)
-
-const activeServer = computed(() =>
-  serverOptions.value.find((s) => s.server_identity === selectedServerIdentity.value),
-)
-
-const defaultMetrics: ServerMetrics = {
-  memory: { total: '-', used: '-', util: 0 },
-  systemDisk: { total: '-', used: '-', util: 0 },
-  cpu: { total: '-', used: '-', util: 0 },
-  dataDisk: { total: '-', used: '-', util: 0 },
-}
-
-function round1(n: number) {
-  return Math.round(n * 10) / 10
-}
-
-function formatBytes(n: number | undefined | null): string {
-  if (n === undefined || n === null || n <= 0) return '-'
-  const units = ['B', 'KB', 'MB', 'GB', 'TB']
-  let i = 0
-  let x = n
-  while (x >= 1024 && i < units.length - 1) {
-    x /= 1024
-    i += 1
-  }
-  const digits = i === 0 ? 0 : x >= 10 ? 1 : 2
-  return `${x.toFixed(digits)} ${units[i]}`
-}
-
-function useStatToBlock(
-  m: { total_bytes: number; used_bytes: number; used_percent: number } | undefined,
-): MetricBlock {
-  if (!m) return { total: '-', used: '-', util: 0 }
-  return {
-    total: formatBytes(m.total_bytes),
-    used: formatBytes(m.used_bytes),
-    util: round1(m.used_percent),
-  }
-}
-
-function diskMountToBlock(d: HostMetricsDiskMount | undefined): MetricBlock {
-  if (!d) return { total: '-', used: '-', util: 0 }
-  return {
-    total: formatBytes(d.total_bytes),
-    used: formatBytes(d.used_bytes),
-    util: round1(d.used_percent),
-  }
-}
-
-function aggregateDataDisks(disks: HostMetricsDiskMount[] | undefined): MetricBlock {
-  if (!disks?.length) return { total: '-', used: '-', util: 0 }
-  let total = 0
-  let used = 0
-  for (const d of disks) {
-    total += d.total_bytes
-    used += d.used_bytes
-  }
-  if (total <= 0) return { total: '-', used: '-', util: 0 }
-  return {
-    total: formatBytes(total),
-    used: formatBytes(used),
-    util: round1((used / total) * 100),
-  }
-}
-
-const stats = computed<ServerMetrics>(() => {
-  const d = summaryPayload.value
-  if (!d || !d.has_data) {
-    return defaultMetrics
-  }
-  const cores = d.cpu?.logical_cores_total ?? 0
-  const usage = d.cpu?.usage_percent ?? 0
-  const usedCores = cores > 0 ? (usage / 100) * cores : 0
-  const cpuBlock: MetricBlock = {
-    total: cores > 0 ? `${round1(cores)} 核` : '-',
-    used: cores > 0 ? `约 ${round1(usedCores)} 核` : '-',
-    util: round1(usage),
-  }
-  return {
-    memory: useStatToBlock(d.memory),
-    systemDisk: diskMountToBlock(d.disk_root),
-    cpu: cpuBlock,
-    dataDisk: aggregateDataDisks(d.data_disks),
-  }
-})
-
-function filterServerOption(input: string, option: { label?: string }) {
-  if (!input) return true
-  const q = input.trim().toLowerCase()
-  const label = String(option?.label ?? '').toLowerCase()
-  return label.includes(q)
-}
-
-/** 判断告警记录是否属于当前主机（labels 或文本中出现 identity / IP / hostname） */
-function matchServerAlert(record: any, server: ServerOption): boolean {
-  try {
-    const raw = record?.labels
-    const labels =
-      typeof raw === 'string' && raw
-        ? JSON.parse(raw)
-        : raw && typeof raw === 'object'
-          ? raw
-          : null
-    if (labels && typeof labels === 'object') {
-      if (labels.server_identity === server.server_identity) return true
-      const inst = String(labels.instance ?? '')
-      if (inst && (inst === server.ip || inst === server.host)) return true
-    }
-  } catch {
-    /* ignore */
-  }
-  const text = `${record?.alert_name ?? ''} ${record?.summary ?? ''} ${record?.description ?? ''}`
-  return (
-    text.includes(server.server_identity) ||
-    (!!server.ip && server.ip !== '-' && text.includes(server.ip)) ||
-    (!!server.host && text.includes(server.host))
-  )
-}
-
-function formatAlertTime(iso: string | undefined | null) {
-  if (!iso) return '-'
-  return dayjs(iso).format('MM-DD HH:mm')
-}
-
-function alertStatusColor(status: string | undefined) {
-  const map: Record<string, string> = {
-    firing: 'red',
-    pending: 'orange',
-    acked: 'gold',
-    resolved: 'green',
-    silenced: 'gray',
-    suppressed: 'lightgray',
-  }
-  return map[status || ''] || 'blue'
-}
-
-function alertStatusText(status: string | undefined) {
-  const map: Record<string, string> = {
-    firing: '告警中',
-    pending: '待处理',
-    acked: '已确认',
-    resolved: '已解决',
-    silenced: '已屏蔽',
-    suppressed: '已抑制',
-  }
-  return map[status || ''] || status || '-'
-}
-
-async function loadRecentAlertsForServer(server: ServerOption | undefined) {
-  if (!server) {
-    recentAlerts.value = []
-    return
-  }
-  try {
-    const res: any = await fetchAlertRecords({
-      page: 1,
-      page_size: 100,
-      sort: 'starts_at',
-      order: 'desc',
-    })
-    if (res.code !== 0) {
-      recentAlerts.value = []
-      Message.error(res.message || '加载最近告警失败')
-      return
-    }
-    const rows: any[] = res.details?.data ?? []
-    recentAlerts.value = rows.filter((r) => matchServerAlert(r, server)).slice(0, 5)
-  } catch (e: any) {
-    recentAlerts.value = []
-    Message.error(e?.message || '加载最近告警失败')
-  }
-}
-
-/** 是否已有速率曲线数据（兼容旧接口仅看 points） */
-const hasTrafficRateSeries = computed(() => {
-  const p = trafficPayload.value
-  if (!p) return false
-  if (typeof p.has_rate_series === 'boolean') return p.has_rate_series
-  return (p.points?.length ?? 0) > 0
-})
-
-const trafficHint = computed(() => {
-  const p = trafficPayload.value
-  if (!p || chartLoading.value) return ''
-  if (hasTrafficRateSeries.value) return ''
-  if (p.has_data) {
-    return p.note || '已有指标，需至少两次采集后才展示速率曲线'
-  }
-  return '暂无主机网络累计指标（control_host_metrics_data），请确认主机采集与落库。'
-})
-
-const trafficChartOptions = computed(() => {
-  const pts = trafficPayload.value?.points ?? []
-  if (!pts.length) {
-    return {
-      tooltip: { trigger: 'axis' },
-      legend: { show: false },
-      grid: { left: '3%', right: '4%', bottom: '3%', containLabel: true },
-      xAxis: { type: 'category', boundaryGap: false, data: ['-'] },
-      yAxis: { type: 'value', name: 'Mb/s' },
-      series: [
-        {
-          name: '接收',
-          type: 'line',
-          smooth: true,
-          data: [0],
-          lineStyle: { width: 2, color: '#165DFF' },
-          itemStyle: { color: '#165DFF' },
-        },
-        {
-          name: '发送',
-          type: 'line',
-          smooth: true,
-          data: [0],
-          lineStyle: { width: 2, color: '#14C9C9' },
-          itemStyle: { color: '#14C9C9' },
-        },
-      ],
-    }
-  }
-  const labels = pts.map((p) => dayjs(p.time).format('MM-DD HH:mm'))
-  const rx = pts.map((p) => round1(p.recv_mbps))
-  const tx = pts.map((p) => round1(p.send_mbps))
-  return {
-    tooltip: { trigger: 'axis' },
-    legend: { show: false },
-    grid: {
-      left: '3%',
-      right: '4%',
-      bottom: '3%',
-      containLabel: true,
-    },
-    xAxis: {
-      type: 'category',
-      boundaryGap: false,
-      data: labels,
-    },
-    yAxis: {
-      type: 'value',
-      name: 'Mb/s',
-    },
-    series: [
-      {
-        name: '接收',
-        type: 'line',
-        smooth: true,
-        data: rx,
-        areaStyle: { opacity: 0.08 },
-        lineStyle: { width: 2, color: '#165DFF' },
-        itemStyle: { color: '#165DFF' },
-      },
-      {
-        name: '发送',
-        type: 'line',
-        smooth: true,
-        data: tx,
-        areaStyle: { opacity: 0.08 },
-        lineStyle: { width: 2, color: '#14C9C9' },
-        itemStyle: { color: '#14C9C9' },
-      },
-    ],
-  }
-})
-
-async function loadServerOptions() {
-  serverListLoading.value = true
-  try {
-    const res: any = await fetchServerList({ page: 1, size: 500 })
-    if (res.code !== 0) {
-      Message.error(res.message || '加载服务器列表失败')
-      serverOptions.value = []
-      return
-    }
-    const list: ServerItem[] = res.details?.data ?? []
-    serverOptions.value = list.map((r) => ({
-      server_identity: r.server_identity,
-      name: r.name,
-      host: r.host,
-      ip: r.ip_address || r.host,
-      os: [r.os, r.os_version].filter(Boolean).join(' ') || '-',
-      location: r.location || '-',
-    }))
-    if (
-      selectedServerIdentity.value &&
-      !serverOptions.value.some((s) => s.server_identity === selectedServerIdentity.value)
-    ) {
-      selectedServerIdentity.value = undefined
-    }
-    if (!selectedServerIdentity.value && serverOptions.value.length > 0) {
-      selectedServerIdentity.value = serverOptions.value[0].server_identity
-    }
-  } catch (e: any) {
-    Message.error(e?.message || '加载服务器列表失败')
-    serverOptions.value = []
-  } finally {
-    serverListLoading.value = false
-  }
-}
-
-async function refreshDashboard() {
-  const sid = selectedServerIdentity.value
-  if (!sid) {
-    summaryPayload.value = null
-    trafficPayload.value = null
-    recentAlerts.value = []
-    return
-  }
-  const server = serverOptions.value.find((s) => s.server_identity === sid)
-  statsLoading.value = true
-  chartLoading.value = true
-  alertsLoading.value = true
-  try {
-    const [sumRes, trafRes]: any[] = await Promise.all([
-      fetchServerMetricsSummary(sid),
-      fetchServerNetworkTraffic(sid, 6),
-      loadRecentAlertsForServer(server),
-    ])
-    if (sumRes.code === 0) {
-      summaryPayload.value = sumRes.details ?? null
-    } else {
-      summaryPayload.value = null
-      Message.error(sumRes.message || '加载统计卡片失败')
-    }
-    if (trafRes.code === 0) {
-      trafficPayload.value = trafRes.details ?? null
-    } else {
-      trafficPayload.value = null
-      Message.error(trafRes.message || '加载网络流量失败')
-    }
-  } catch (e: any) {
-    Message.error(e?.message || '请求失败')
-    summaryPayload.value = null
-    trafficPayload.value = null
-    recentAlerts.value = []
-  } finally {
-    statsLoading.value = false
-    chartLoading.value = false
-    alertsLoading.value = false
-  }
-}
-
-watch(selectedServerIdentity, (sid) => {
-  if (!sid) {
-    summaryPayload.value = null
-    trafficPayload.value = null
-    recentAlerts.value = []
-    return
-  }
-  refreshDashboard()
-})
-
-onMounted(async () => {
-  await loadServerOptions()
-  // 首次选中由 loadServerOptions 设置，watch(selectedServerIdentity) 会拉取指标
-})
-</script>
-
-<script lang="ts">
-export default {
-  name: 'OsMonitor',
-}
-</script>
-
-<style scoped lang="less">
-.container {
-  padding: 16px;
-}
-
-.page-toolbar {
-  display: flex;
-  flex-wrap: wrap;
-  align-items: center;
-  justify-content: space-between;
-  gap: 12px;
-  margin-bottom: 16px;
-}
-
-.toolbar-left {
-  display: flex;
-  align-items: center;
-  gap: 12px;
-}
-
-.toolbar-label {
-  font-size: 14px;
-  color: var(--color-text-2);
-  white-space: nowrap;
-}
-
-.server-select {
-  min-width: 260px;
-  max-width: 360px;
-}
-
-.server-option {
-  display: flex;
-  justify-content: space-between;
-  gap: 12px;
-  width: 100%;
-}
-
-.server-option-name {
-  font-size: 14px;
-  color: var(--color-text-1);
-}
-
-.server-option-ip {
-  font-size: 13px;
-  color: var(--color-text-3);
-  font-family: var(--font-family-mono);
-}
-
-.toolbar-meta {
-  font-size: 13px;
-}
-
-.stats-row {
-  margin-bottom: 16px;
-}
-
-.stats-card {
-  height: 100%;
-
-  :deep(.arco-card-body) {
-    padding: 16px;
-  }
-
-  .stats-content {
-    display: flex;
-    align-items: flex-start;
-    gap: 12px;
-  }
-
-  .stats-icon {
-    width: 48px;
-    height: 48px;
-    border-radius: 8px;
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    font-size: 24px;
-
-    &-primary {
-      background-color: rgba(22, 93, 255, 0.1);
-      color: rgb(var(--primary-6));
-    }
-
-    &-cyan {
-      background-color: rgba(20, 201, 201, 0.1);
-      color: #14c9c9;
-    }
-
-    &-green {
-      background-color: rgba(0, 180, 42, 0.1);
-      color: rgb(var(--success-6));
-    }
-
-    &-purple {
-      background-color: rgba(114, 46, 209, 0.1);
-      color: #722ed1;
-    }
-  }
-
-  .stats-info {
-    flex: 1;
-    min-width: 0;
-  }
-
-  .stats-title {
-    font-size: 14px;
-    color: var(--color-text-3);
-    margin-bottom: 4px;
-  }
-
-  .stats-value {
-    font-size: 24px;
-    font-weight: 600;
-    color: var(--color-text-1);
-    line-height: 1.2;
-    margin-bottom: 4px;
-  }
-
-  .stats-desc {
-    font-size: 12px;
-    color: var(--color-text-3);
-    line-height: 1.5;
-  }
-}
-
-.chart-row {
-  margin-bottom: 16px;
-}
-
-.chart-container {
-  height: 300px;
-}
-
-.legend-item {
-  display: inline-flex;
-  align-items: center;
-  gap: 6px;
-  font-size: 12px;
-  color: var(--color-text-3);
-}
-
-.legend-dot {
-  width: 8px;
-  height: 8px;
-  border-radius: 50%;
-
-  &-1 {
-    background-color: #165dff;
-  }
-
-  &-2 {
-    background-color: #14c9c9;
-  }
-}
-
-.chart-spin {
-  display: block;
-  width: 100%;
-}
-
-.alert-spin {
-  display: block;
-  min-height: 120px;
-}
-
-.alert-list {
-  display: flex;
-  flex-direction: column;
-  gap: 12px;
-}
-
-.alert-item {
-  padding: 10px 12px;
-  border-radius: 8px;
-  background: var(--color-fill-1);
-  border: 1px solid var(--color-border-1);
-}
-
-.alert-item-top {
-  display: flex;
-  align-items: flex-start;
-  justify-content: space-between;
-  gap: 8px;
-  margin-bottom: 6px;
-}
-
-.alert-item-name {
-  font-size: 14px;
-  font-weight: 500;
-  color: var(--color-text-1);
-  line-height: 1.4;
-  flex: 1;
-  min-width: 0;
-  overflow: hidden;
-  text-overflow: ellipsis;
-  display: -webkit-box;
-  -webkit-line-clamp: 2;
-  -webkit-box-orient: vertical;
-}
-
-.alert-item-meta {
-  display: flex;
-  align-items: center;
-  flex-wrap: wrap;
-  gap: 8px;
-  margin-bottom: 4px;
-}
-
-.alert-item-time {
-  font-size: 12px;
-  color: var(--color-text-3);
-}
-
-.alert-item-summary {
-  font-size: 12px;
-  line-height: 1.5;
-  overflow: hidden;
-  text-overflow: ellipsis;
-  display: -webkit-box;
-  -webkit-line-clamp: 2;
-  -webkit-box-orient: vertical;
-}
-
-.alert-empty {
-  padding: 32px 0;
-}
-
-.text-muted {
-  font-size: 12px;
-  color: var(--color-text-3);
-}
-</style>
+<template>
+  <div class="container">
+    <div class="page-toolbar">
+      <div class="toolbar-left">
+        <span class="toolbar-label">当前服务器</span>
+        <a-select
+          v-model="selectedServerIdentity"
+          class="server-select"
+          placeholder="输入名称或地址搜索"
+          allow-search
+          allow-clear
+          :loading="serverListLoading"
+          :filter-option="filterServerOption"
+        >
+          <a-option
+            v-for="item in serverOptions"
+            :key="item.server_identity"
+            :value="item.server_identity"
+            :label="`${item.name} ${item.host} ${item.ip}`"
+          >
+            <div class="server-option">
+              <span class="server-option-name">{{ item.name }}</span>
+              <span class="server-option-ip">{{ item.ip }}</span>
+            </div>
+          </a-option>
+        </a-select>
+      </div>
+      <div v-if="activeServer" class="toolbar-meta text-muted">
+        {{ activeServer.os }} · {{ activeServer.location }}
+      </div>
+    </div>
+
+    <!-- 资源统计：卡片仅展示名称 + 剩余 -->
+    <a-spin :loading="statsLoading" style="width: 100%">
+      <a-row :gutter="16" class="stats-row">
+        <a-col
+          v-for="(panel, idx) in resourcePanels"
+          :key="`card-${panel.key}`"
+          :xs="24"
+          :sm="12"
+          :lg="6"
+        >
+          <a-card class="stats-card" :bordered="false">
+            <div class="stats-content">
+              <div class="stats-icon" :class="statsIconClass(idx)">
+                <component :is="statsIcons[idx]" />
+              </div>
+              <div class="stats-info">
+                <div class="stats-title">{{ panel.title }}</div>
+                <div class="stats-value">{{ panel.remaining }}</div>
+              </div>
+            </div>
+          </a-card>
+        </a-col>
+      </a-row>
+
+      <!-- 与卡片一一对应的饼图：总值 / 已用 / 剩余 -->
+      <a-row :gutter="16" class="pie-row">
+        <a-col v-for="panel in resourcePanels" :key="panel.key" :xs="24" :sm="12" :lg="6">
+          <a-card class="pie-card" :bordered="false">
+            <template #title>
+              <span>{{ panel.title }}</span>
+            </template>
+            <div class="pie-body">
+              <div
+                class="pie-chart-slot"
+                :class="{ 'pie-chart-slot--empty': !panel.hasData }"
+              >
+                <Chart v-if="panel.hasData" :options="panel.pieOptions" height="220px" />
+                <a-empty
+                  v-else
+                  class="pie-empty-inner"
+                  :description="emptyPieDescription(panel)"
+                />
+              </div>
+              <div class="pie-meta text-muted">
+                <template v-if="panel.hasData">
+                  总值 {{ panel.totalLabel }} · 已用 {{ panel.usedLabel }} · 剩余
+                  {{ panel.freeLabel }}
+                </template>
+                <span v-else class="pie-meta-placeholder" aria-hidden="true">&nbsp;</span>
+              </div>
+            </div>
+          </a-card>
+        </a-col>
+      </a-row>
+
+      <!-- 磁盘挂载明细（disk_root + data_disks，与 dc-control summary 一致） -->
+      <a-row v-if="diskTableRows.length" :gutter="16" class="disk-table-row">
+        <a-col :span="24">
+          <a-card title="磁盘挂载详情" :bordered="false">
+            <a-table
+              :columns="diskTableColumns"
+              :data="diskTableRows"
+              :pagination="false"
+              size="small"
+              :bordered="{ cell: true }"
+            />
+          </a-card>
+        </a-col>
+      </a-row>
+    </a-spin>
+
+    <a-row :gutter="16" class="chart-row">
+      <a-col :xs="24" :lg="14">
+        <a-card title="网络流量（近 6 小时）" :bordered="false">
+          <template #extra>
+            <a-space>
+              <span class="legend-item">
+                <span class="legend-dot legend-dot-1"></span>
+                <span>接收</span>
+              </span>
+              <span class="legend-item">
+                <span class="legend-dot legend-dot-2"></span>
+                <span>发送</span>
+              </span>
+            </a-space>
+          </template>
+          <a-spin :loading="chartLoading" class="chart-spin">
+            <p v-if="trafficHint" class="traffic-hint text-muted">{{ trafficHint }}</p>
+            <div class="chart-container">
+              <Chart :options="trafficChartOptions" height="300px" />
+            </div>
+          </a-spin>
+        </a-card>
+      </a-col>
+      <a-col :xs="24" :lg="10">
+        <a-card title="最近告警" :bordered="false">
+          <template #extra>
+            <span class="text-muted">当前主机 · 共 {{ recentAlerts.length }} 条（最多 5 条）</span>
+          </template>
+          <a-spin :loading="alertsLoading" class="alert-spin">
+            <div v-if="recentAlerts.length" class="alert-list">
+              <div
+                v-for="item in recentAlerts"
+                :key="item.id"
+                class="alert-item"
+              >
+                <div class="alert-item-top">
+                  <span class="alert-item-name" :title="item.alert_name">{{
+                    item.alert_name || '-'
+                  }}</span>
+                  <a-tag
+                    v-if="item.severity"
+                    size="small"
+                    :color="item.severity.color || undefined"
+                  >
+                    {{ item.severity.name }}
+                  </a-tag>
+                </div>
+                <div class="alert-item-meta">
+                  <a-tag size="small" :color="alertStatusColor(item.status)">
+                    {{ alertStatusText(item.status) }}
+                  </a-tag>
+                  <span class="alert-item-time">{{
+                    formatAlertTime(item.starts_at)
+                  }}</span>
+                </div>
+                <div v-if="item.summary" class="alert-item-summary text-muted">
+                  {{ item.summary }}
+                </div>
+              </div>
+            </div>
+            <div v-else class="alert-empty-wrap">
+              <a-empty description="暂无与该主机相关的告警" />
+            </div>
+          </a-spin>
+        </a-card>
+      </a-col>
+    </a-row>
+  </div>
+</template>
+
+<script lang="ts" setup>
+import { computed, onMounted, ref, watch } from 'vue'
+import dayjs from 'dayjs'
+import { Message } from '@arco-design/web-vue'
+import {
+  IconStorage,
+  IconDriveFile,
+  IconCodeSquare,
+  IconFolder,
+} from '@arco-design/web-vue/es/icon'
+import Chart from '@/components/chart/index.vue'
+import {
+  fetchServerList,
+  fetchServerMetricsSummary,
+  fetchServerNetworkTraffic,
+  type HostMetricsSummary,
+  type HostNetworkTrafficPayload,
+  type ServerItem,
+} from '@/api/ops/server'
+import { fetchAlertRecords } from '@/api/ops/alertRecord'
+
+interface ServerOption {
+  server_identity: string
+  name: string
+  host: string
+  ip: string
+  os: string
+  location: string
+}
+
+/** 单块资源：顶部卡片 + 饼图共用 */
+interface OsResourcePanel {
+  key: string
+  title: string
+  remaining: string
+  hasData: boolean
+  totalLabel: string
+  usedLabel: string
+  freeLabel: string
+  pieOptions: Record<string, unknown>
+}
+
+const statsIcons = [IconStorage, IconDriveFile, IconCodeSquare, IconFolder]
+
+function statsIconClass(idx: number) {
+  const map = ['stats-icon-primary', 'stats-icon-cyan', 'stats-icon-green', 'stats-icon-purple']
+  return map[idx] ?? 'stats-icon-primary'
+}
+
+const serverListLoading = ref(false)
+const statsLoading = ref(false)
+const chartLoading = ref(false)
+const alertsLoading = ref(false)
+
+/** 与当前选中主机相关的最近告警（来自 Alert record/list） */
+const recentAlerts = ref<any[]>([])
+
+const serverOptions = ref<ServerOption[]>([])
+const selectedServerIdentity = ref<string | undefined>(undefined)
+
+const summaryPayload = ref<HostMetricsSummary | null>(null)
+const trafficPayload = ref<HostNetworkTrafficPayload | null>(null)
+
+const activeServer = computed(() =>
+  serverOptions.value.find((s) => s.server_identity === selectedServerIdentity.value),
+)
+
+const emptyPieOptions = (): Record<string, unknown> => ({
+  graphic: [
+    {
+      type: 'text',
+      left: 'center',
+      top: 'middle',
+      style: {
+        text: '暂无数据',
+        fill: 'var(--color-text-3)',
+        fontSize: 14,
+      },
+    },
+  ],
+  series: [],
+})
+
+/** 字节类资源饼图（已用 / 剩余） */
+function buildPieOptionsBytes(
+  usedBytes: number,
+  freeBytes: number,
+  usedColor: string,
+): Record<string, unknown> {
+  const u = Math.max(0, usedBytes)
+  const f = Math.max(0, freeBytes)
+  if (u + f <= 0) return emptyPieOptions()
+  return {
+    tooltip: {
+      trigger: 'item',
+      formatter: (p: { name?: string; value?: number; percent?: number }) => {
+        const v = p.value ?? 0
+        return `${p.name}<br/>${formatBytes(v)} (${p.percent ?? 0}%)`
+      },
+    },
+    legend: { bottom: 0, itemWidth: 10, itemHeight: 10, textStyle: { fontSize: 12 } },
+    series: [
+      {
+        type: 'pie',
+        radius: ['42%', '68%'],
+        avoidLabelOverlap: false,
+        label: { show: false },
+        data: [
+          { name: '已用', value: u, itemStyle: { color: usedColor } },
+          { name: '剩余', value: f, itemStyle: { color: '#E5E6EB' } },
+        ],
+      },
+    ],
+  }
+}
+
+/** CPU 核数饼图（已用 / 剩余） */
+function buildPieOptionsCores(
+  usedCores: number,
+  freeCores: number,
+  usedColor: string,
+): Record<string, unknown> {
+  const u = Math.max(0, usedCores)
+  const f = Math.max(0, freeCores)
+  if (u + f <= 0) return emptyPieOptions()
+  return {
+    tooltip: {
+      trigger: 'item',
+      formatter: (p: { name?: string; value?: number; percent?: number }) => {
+        const v = p.value ?? 0
+        return `${p.name}<br/>${round1(v)} 核 (${p.percent ?? 0}%)`
+      },
+    },
+    legend: { bottom: 0, itemWidth: 10, itemHeight: 10, textStyle: { fontSize: 12 } },
+    series: [
+      {
+        type: 'pie',
+        radius: ['42%', '68%'],
+        avoidLabelOverlap: false,
+        label: { show: false },
+        data: [
+          { name: '已用', value: u, itemStyle: { color: usedColor } },
+          { name: '剩余', value: f, itemStyle: { color: '#E5E6EB' } },
+        ],
+      },
+    ],
+  }
+}
+
+const defaultResourcePanels: OsResourcePanel[] = [
+  {
+    key: 'memory',
+    title: '内存',
+    remaining: '-',
+    hasData: false,
+    totalLabel: '-',
+    usedLabel: '-',
+    freeLabel: '-',
+    pieOptions: emptyPieOptions(),
+  },
+  {
+    key: 'systemDisk',
+    title: '磁盘（系统盘 /）',
+    remaining: '-',
+    hasData: false,
+    totalLabel: '-',
+    usedLabel: '-',
+    freeLabel: '-',
+    pieOptions: emptyPieOptions(),
+  },
+  {
+    key: 'cpu',
+    title: 'CPU',
+    remaining: '-',
+    hasData: false,
+    totalLabel: '-',
+    usedLabel: '-',
+    freeLabel: '-',
+    pieOptions: emptyPieOptions(),
+  },
+  {
+    key: 'dataDisk',
+    title: '本地挂载（汇总）',
+    remaining: '-',
+    hasData: false,
+    totalLabel: '-',
+    usedLabel: '-',
+    freeLabel: '-',
+    pieOptions: emptyPieOptions(),
+  },
+]
+
+function round1(n: number) {
+  return Math.round(n * 10) / 10
+}
+
+function formatPercent(n: number | undefined | null): string {
+  if (n === undefined || n === null || Number.isNaN(n)) return '-'
+  return `${round1(n)}%`
+}
+
+/** 饼图无数据时的说明（区分「无根分区」与「无其它挂载点」） */
+function emptyPieDescription(panel: OsResourcePanel): string {
+  const sum = summaryPayload.value
+  if (!sum?.has_data) return '暂无数据'
+  if (panel.key === 'systemDisk' && !panel.hasData) {
+    return '暂无根分区磁盘指标（请确认 dc-host 与入库）'
+  }
+  if (panel.key === 'dataDisk' && !panel.hasData) {
+    return '暂无其它本地挂载点（dc-host disk_usages 或尚未采集）'
+  }
+  return '暂无数据'
+}
+
+const diskTableColumns = [
+  { title: '挂载点', dataIndex: 'mount', ellipsis: true, tooltip: true, width: 200 },
+  { title: '类型', dataIndex: 'kindLabel', width: 120 },
+  { title: '使用率', dataIndex: 'usedPercentLabel', width: 100 },
+  { title: '总容量', dataIndex: 'totalLabel', width: 120 },
+  { title: '已用', dataIndex: 'usedLabel', width: 120 },
+  { title: '剩余', dataIndex: 'freeLabel', width: 120 },
+]
+
+/** 汇总接口 disk_root + data_disks 明细行 */
+const diskTableRows = computed(() => {
+  const d = summaryPayload.value
+  if (!d?.has_data) return []
+  const rows: Array<{
+    mount: string
+    kindLabel: string
+    usedPercentLabel: string
+    totalLabel: string
+    usedLabel: string
+    freeLabel: string
+  }> = []
+  const root = d.disk_root
+  if (root && root.total_bytes > 0) {
+    const freeBytes = root.free_bytes ?? Math.max(0, root.total_bytes - root.used_bytes)
+    rows.push({
+      mount: root.mount || '/',
+      kindLabel: '系统盘（根）',
+      usedPercentLabel: formatPercent(root.used_percent),
+      totalLabel: formatBytes(root.total_bytes),
+      usedLabel: formatBytes(root.used_bytes),
+      freeLabel: formatBytes(freeBytes),
+    })
+  }
+  const sorted = [...(d.data_disks ?? [])].sort((a, b) =>
+    (a.mount || '').localeCompare(b.mount || '', undefined, { sensitivity: 'base' }),
+  )
+  for (const disk of sorted) {
+    if (!disk.mount || disk.total_bytes <= 0) continue
+    const freeBytes = disk.free_bytes ?? Math.max(0, disk.total_bytes - disk.used_bytes)
+    rows.push({
+      mount: disk.mount,
+      kindLabel: '本地挂载',
+      usedPercentLabel: formatPercent(disk.used_percent),
+      totalLabel: formatBytes(disk.total_bytes),
+      usedLabel: formatBytes(disk.used_bytes),
+      freeLabel: formatBytes(freeBytes),
+    })
+  }
+  return rows
+})
+
+function formatBytes(n: number | undefined | null): string {
+  if (n === undefined || n === null || n <= 0) return '-'
+  const units = ['B', 'KB', 'MB', 'GB', 'TB']
+  let i = 0
+  let x = n
+  while (x >= 1024 && i < units.length - 1) {
+    x /= 1024
+    i += 1
+  }
+  const digits = i === 0 ? 0 : x >= 10 ? 1 : 2
+  return `${x.toFixed(digits)} ${units[i]}`
+}
+
+const resourcePanels = computed<OsResourcePanel[]>(() => {
+  const d = summaryPayload.value
+  if (!d || !d.has_data) {
+    return defaultResourcePanels
+  }
+
+  const mem = d.memory
+  let memPanel: OsResourcePanel
+  if (mem && mem.total_bytes > 0) {
+    const freeBytes = mem.free_bytes ?? Math.max(0, mem.total_bytes - mem.used_bytes)
+    memPanel = {
+      key: 'memory',
+      title: '内存',
+      remaining: formatBytes(freeBytes),
+      hasData: true,
+      totalLabel: formatBytes(mem.total_bytes),
+      usedLabel: formatBytes(mem.used_bytes),
+      freeLabel: formatBytes(freeBytes),
+      pieOptions: buildPieOptionsBytes(mem.used_bytes, freeBytes, '#165DFF'),
+    }
+  } else {
+    memPanel = { ...defaultResourcePanels[0] }
+  }
+
+  const root = d.disk_root
+  let sysPanel: OsResourcePanel
+  if (root && root.total_bytes > 0) {
+    const freeBytes = root.free_bytes ?? Math.max(0, root.total_bytes - root.used_bytes)
+    const rootTitle = root.mount ? `磁盘（${root.mount}）` : '磁盘（系统盘 /）'
+    sysPanel = {
+      key: 'systemDisk',
+      title: rootTitle,
+      remaining: formatBytes(freeBytes),
+      hasData: true,
+      totalLabel: formatBytes(root.total_bytes),
+      usedLabel: formatBytes(root.used_bytes),
+      freeLabel: formatBytes(freeBytes),
+      pieOptions: buildPieOptionsBytes(root.used_bytes, freeBytes, '#14C9C9'),
+    }
+  } else {
+    sysPanel = { ...defaultResourcePanels[1] }
+  }
+
+  const cores = d.cpu?.logical_cores_total ?? 0
+  const usage = d.cpu?.usage_percent ?? 0
+  const usedCores = cores > 0 ? (usage / 100) * cores : 0
+  const freeCores = cores > 0 ? Math.max(0, cores - usedCores) : 0
+  let cpuPanel: OsResourcePanel
+  if (cores > 0) {
+    cpuPanel = {
+      key: 'cpu',
+      title: 'CPU',
+      remaining: `${round1(freeCores)} 核`,
+      hasData: true,
+      totalLabel: `${round1(cores)} 核`,
+      usedLabel: `约 ${round1(usedCores)} 核`,
+      freeLabel: `${round1(freeCores)} 核`,
+      pieOptions: buildPieOptionsCores(usedCores, freeCores, '#00B42A'),
+    }
+  } else {
+    cpuPanel = { ...defaultResourcePanels[2] }
+  }
+
+  const disks = d.data_disks
+  let aggTotal = 0
+  let aggUsed = 0
+  let aggFree = 0
+  if (disks?.length) {
+    for (const disk of disks) {
+      aggTotal += disk.total_bytes
+      aggUsed += disk.used_bytes
+      aggFree += disk.free_bytes ?? Math.max(0, disk.total_bytes - disk.used_bytes)
+    }
+  }
+  let dataPanel: OsResourcePanel
+  if (aggTotal > 0) {
+    const freeBytes = aggFree > 0 ? aggFree : Math.max(0, aggTotal - aggUsed)
+    const list = disks ?? []
+    const n = list.length
+    const dataTitle =
+      n === 1
+        ? `硬盘（${list[0].mount}）`
+        : n > 1
+          ? `本地挂载（${n} 个挂载点汇总）`
+          : '硬盘（数据盘汇总）'
+    dataPanel = {
+      key: 'dataDisk',
+      title: dataTitle,
+      remaining: formatBytes(freeBytes),
+      hasData: true,
+      totalLabel: formatBytes(aggTotal),
+      usedLabel: formatBytes(aggUsed),
+      freeLabel: formatBytes(freeBytes),
+      pieOptions: buildPieOptionsBytes(aggUsed, freeBytes, '#722ED1'),
+    }
+  } else {
+    dataPanel = { ...defaultResourcePanels[3] }
+  }
+
+  return [memPanel, sysPanel, cpuPanel, dataPanel]
+})
+
+function filterServerOption(input: string, option: { label?: string }) {
+  if (!input) return true
+  const q = input.trim().toLowerCase()
+  const label = String(option?.label ?? '').toLowerCase()
+  return label.includes(q)
+}
+
+function formatAlertTime(iso: string | undefined | null) {
+  if (!iso) return '-'
+  return dayjs(iso).format('MM-DD HH:mm')
+}
+
+function alertStatusColor(status: string | undefined) {
+  const map: Record<string, string> = {
+    firing: 'red',
+    pending: 'orange',
+    acked: 'gold',
+    resolved: 'green',
+    silenced: 'gray',
+    suppressed: 'lightgray',
+  }
+  return map[status || ''] || 'blue'
+}
+
+function alertStatusText(status: string | undefined) {
+  const map: Record<string, string> = {
+    firing: '告警中',
+    pending: '待处理',
+    acked: '已确认',
+    resolved: '已解决',
+    silenced: '已屏蔽',
+    suppressed: '已抑制',
+  }
+  return map[status || ''] || status || '-'
+}
+
+/**
+ * 从 Alert/v1/record/list 的 details 中解析列表（兼容 data / list / records）
+ */
+function normalizeAlertRecordList(res: any): any[] {
+  const d = res?.details
+  if (!d) return []
+  const raw = d.data ?? d.list ?? d.records
+  return Array.isArray(raw) ? raw : []
+}
+
+async function loadRecentAlertsForServer(server: ServerOption | undefined) {
+  if (!server) {
+    recentAlerts.value = []
+    return
+  }
+  const targetSid = server.server_identity
+  try {
+    const res: any = await fetchAlertRecords({
+      page: 1,
+      page_size: 5,
+      sort: 'starts_at',
+      order: 'desc',
+      server_identity: targetSid,
+    })
+    /** 切换主机后丢弃过期响应，避免空结果仍显示上一台主机的列表 */
+    if (selectedServerIdentity.value !== targetSid) {
+      return
+    }
+    const code = res?.code
+    const codeOk = code === undefined || code === null || code === 0 || code === '0'
+    if (!codeOk) {
+      recentAlerts.value = []
+      Message.error(res.message || '加载最近告警失败')
+      return
+    }
+    const rows = normalizeAlertRecordList(res).slice(0, 5)
+    recentAlerts.value = rows
+  } catch (e: any) {
+    if (selectedServerIdentity.value === targetSid) {
+      recentAlerts.value = []
+      Message.error(e?.message || '加载最近告警失败')
+    }
+  }
+}
+
+/** 是否已有速率曲线数据（兼容旧接口仅看 points） */
+const hasTrafficRateSeries = computed(() => {
+  const p = trafficPayload.value
+  if (!p) return false
+  if (typeof p.has_rate_series === 'boolean') return p.has_rate_series
+  return (p.points?.length ?? 0) > 0
+})
+
+const trafficHint = computed(() => {
+  const p = trafficPayload.value
+  if (!p || chartLoading.value) return ''
+  if (hasTrafficRateSeries.value) return ''
+  if (p.has_data) {
+    return p.note || '已有指标，需至少两次采集后才展示速率曲线'
+  }
+  return '暂无主机网络累计指标（control_host_metrics_data），请确认主机采集与落库。'
+})
+
+const trafficChartOptions = computed(() => {
+  const pts = trafficPayload.value?.points ?? []
+  if (!pts.length) {
+    return {
+      tooltip: { trigger: 'axis' },
+      legend: { show: false },
+      grid: { left: '3%', right: '4%', bottom: '3%', containLabel: true },
+      xAxis: { type: 'category', boundaryGap: false, data: ['-'] },
+      yAxis: { type: 'value', name: 'Mb/s' },
+      series: [
+        {
+          name: '接收',
+          type: 'line',
+          smooth: true,
+          data: [0],
+          lineStyle: { width: 2, color: '#165DFF' },
+          itemStyle: { color: '#165DFF' },
+        },
+        {
+          name: '发送',
+          type: 'line',
+          smooth: true,
+          data: [0],
+          lineStyle: { width: 2, color: '#14C9C9' },
+          itemStyle: { color: '#14C9C9' },
+        },
+      ],
+    }
+  }
+  const labels = pts.map((p) => dayjs(p.time).format('MM-DD HH:mm'))
+  const rx = pts.map((p) => round1(p.recv_mbps))
+  const tx = pts.map((p) => round1(p.send_mbps))
+  return {
+    tooltip: { trigger: 'axis' },
+    legend: { show: false },
+    grid: {
+      left: '3%',
+      right: '4%',
+      bottom: '3%',
+      containLabel: true,
+    },
+    xAxis: {
+      type: 'category',
+      boundaryGap: false,
+      data: labels,
+    },
+    yAxis: {
+      type: 'value',
+      name: 'Mb/s',
+    },
+    series: [
+      {
+        name: '接收',
+        type: 'line',
+        smooth: true,
+        data: rx,
+        areaStyle: { opacity: 0.08 },
+        lineStyle: { width: 2, color: '#165DFF' },
+        itemStyle: { color: '#165DFF' },
+      },
+      {
+        name: '发送',
+        type: 'line',
+        smooth: true,
+        data: tx,
+        areaStyle: { opacity: 0.08 },
+        lineStyle: { width: 2, color: '#14C9C9' },
+        itemStyle: { color: '#14C9C9' },
+      },
+    ],
+  }
+})
+
+async function loadServerOptions() {
+  serverListLoading.value = true
+  try {
+    const res: any = await fetchServerList({ page: 1, size: 500 })
+    if (res.code !== 0) {
+      Message.error(res.message || '加载服务器列表失败')
+      serverOptions.value = []
+      return
+    }
+    const list: ServerItem[] = res.details?.data ?? []
+    serverOptions.value = list.map((r) => ({
+      server_identity: r.server_identity,
+      name: r.name,
+      host: r.host,
+      ip: r.ip_address || r.host,
+      os: [r.os, r.os_version].filter(Boolean).join(' ') || '-',
+      location: r.location || '-',
+    }))
+    if (
+      selectedServerIdentity.value &&
+      !serverOptions.value.some((s) => s.server_identity === selectedServerIdentity.value)
+    ) {
+      selectedServerIdentity.value = undefined
+    }
+    if (!selectedServerIdentity.value && serverOptions.value.length > 0) {
+      selectedServerIdentity.value = serverOptions.value[0].server_identity
+    }
+  } catch (e: any) {
+    Message.error(e?.message || '加载服务器列表失败')
+    serverOptions.value = []
+  } finally {
+    serverListLoading.value = false
+  }
+}
+
+async function refreshDashboard() {
+  const sid = selectedServerIdentity.value
+  if (!sid) {
+    summaryPayload.value = null
+    trafficPayload.value = null
+    recentAlerts.value = []
+    return
+  }
+  const server = serverOptions.value.find((s) => s.server_identity === sid)
+  statsLoading.value = true
+  chartLoading.value = true
+  alertsLoading.value = true
+  recentAlerts.value = []
+  try {
+    const [sumRes, trafRes]: any[] = await Promise.all([
+      fetchServerMetricsSummary(sid),
+      fetchServerNetworkTraffic(sid, 6),
+      loadRecentAlertsForServer(server),
+    ])
+    if (sumRes.code === 0) {
+      summaryPayload.value = sumRes.details ?? null
+    } else {
+      summaryPayload.value = null
+      Message.error(sumRes.message || '加载统计卡片失败')
+    }
+    if (trafRes.code === 0) {
+      trafficPayload.value = trafRes.details ?? null
+    } else {
+      trafficPayload.value = null
+      Message.error(trafRes.message || '加载网络流量失败')
+    }
+  } catch (e: any) {
+    Message.error(e?.message || '请求失败')
+    summaryPayload.value = null
+    trafficPayload.value = null
+    recentAlerts.value = []
+  } finally {
+    statsLoading.value = false
+    chartLoading.value = false
+    alertsLoading.value = false
+  }
+}
+
+watch(selectedServerIdentity, (sid) => {
+  if (!sid) {
+    summaryPayload.value = null
+    trafficPayload.value = null
+    recentAlerts.value = []
+    return
+  }
+  refreshDashboard()
+})
+
+onMounted(async () => {
+  await loadServerOptions()
+  // 首次选中由 loadServerOptions 设置，watch(selectedServerIdentity) 会拉取指标
+})
+</script>
+
+<script lang="ts">
+export default {
+  name: 'OsMonitor',
+}
+</script>
+
+<style scoped lang="less">
+.container {
+  padding: 16px;
+}
+
+.page-toolbar {
+  display: flex;
+  flex-wrap: wrap;
+  align-items: center;
+  justify-content: space-between;
+  gap: 12px;
+  margin-bottom: 16px;
+}
+
+.toolbar-left {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+}
+
+.toolbar-label {
+  font-size: 14px;
+  color: var(--color-text-2);
+  white-space: nowrap;
+}
+
+.server-select {
+  min-width: 260px;
+  max-width: 360px;
+}
+
+.server-option {
+  display: flex;
+  justify-content: space-between;
+  gap: 12px;
+  width: 100%;
+}
+
+.server-option-name {
+  font-size: 14px;
+  color: var(--color-text-1);
+}
+
+.server-option-ip {
+  font-size: 13px;
+  color: var(--color-text-3);
+  font-family: var(--font-family-mono);
+}
+
+.toolbar-meta {
+  font-size: 13px;
+}
+
+.stats-row {
+  margin-bottom: 16px;
+}
+
+.pie-row {
+  margin-bottom: 16px;
+
+  :deep(.arco-row) {
+    align-items: stretch;
+  }
+
+  > .arco-col {
+    display: flex;
+  }
+}
+
+.disk-table-row {
+  margin-bottom: 16px;
+}
+
+.pie-card {
+  flex: 1;
+  width: 100%;
+  height: 100%;
+  display: flex;
+  flex-direction: column;
+
+  :deep(.arco-card-header) {
+    border-bottom: none;
+    padding-bottom: 0;
+  }
+
+  :deep(.arco-card-body) {
+    flex: 1;
+    display: flex;
+    flex-direction: column;
+    padding-top: 8px;
+  }
+}
+
+.pie-body {
+  display: flex;
+  flex-direction: column;
+  flex: 1;
+  min-height: 0;
+}
+
+/** 与有数据时 Chart 高度一致，避免同排卡片高低不齐 */
+.pie-chart-slot {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  box-sizing: border-box;
+  width: 100%;
+  height: 220px;
+  min-height: 220px;
+}
+
+.pie-chart-slot--empty {
+  background-color: var(--color-fill-1);
+  border: 1px dashed var(--color-border-2);
+  border-radius: 8px;
+}
+
+.pie-empty-inner {
+  padding: 0;
+}
+
+.pie-meta {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  flex-shrink: 0;
+  margin-top: 8px;
+  min-height: 36px;
+  font-size: 12px;
+  line-height: 1.5;
+  text-align: center;
+}
+
+.pie-meta-placeholder {
+  display: inline-block;
+  opacity: 0;
+  pointer-events: none;
+}
+
+.stats-card {
+  height: 100%;
+
+  :deep(.arco-card-body) {
+    padding: 16px;
+  }
+
+  .stats-content {
+    display: flex;
+    align-items: flex-start;
+    gap: 12px;
+  }
+
+  .stats-icon {
+    width: 48px;
+    height: 48px;
+    border-radius: 8px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    font-size: 24px;
+
+    &-primary {
+      background-color: rgba(22, 93, 255, 0.1);
+      color: rgb(var(--primary-6));
+    }
+
+    &-cyan {
+      background-color: rgba(20, 201, 201, 0.1);
+      color: #14c9c9;
+    }
+
+    &-green {
+      background-color: rgba(0, 180, 42, 0.1);
+      color: rgb(var(--success-6));
+    }
+
+    &-purple {
+      background-color: rgba(114, 46, 209, 0.1);
+      color: #722ed1;
+    }
+  }
+
+  .stats-info {
+    flex: 1;
+    min-width: 0;
+  }
+
+  .stats-title {
+    font-size: 14px;
+    color: var(--color-text-3);
+    margin-bottom: 4px;
+  }
+
+  .stats-value {
+    font-size: 24px;
+    font-weight: 600;
+    color: var(--color-text-1);
+    line-height: 1.2;
+    margin-bottom: 4px;
+  }
+
+  .stats-desc {
+    font-size: 12px;
+    color: var(--color-text-3);
+    line-height: 1.5;
+  }
+}
+
+.chart-row {
+  margin-bottom: 16px;
+
+  :deep(.arco-row) {
+    align-items: stretch;
+  }
+
+  > .arco-col {
+    display: flex;
+  }
+
+  > .arco-col > .arco-card {
+    flex: 1;
+    width: 100%;
+    display: flex;
+    flex-direction: column;
+
+    :deep(.arco-card-body) {
+      flex: 1;
+      display: flex;
+      flex-direction: column;
+    }
+  }
+}
+
+.chart-container {
+  height: 300px;
+  min-height: 300px;
+}
+
+.legend-item {
+  display: inline-flex;
+  align-items: center;
+  gap: 6px;
+  font-size: 12px;
+  color: var(--color-text-3);
+}
+
+.legend-dot {
+  width: 8px;
+  height: 8px;
+  border-radius: 50%;
+
+  &-1 {
+    background-color: #165dff;
+  }
+
+  &-2 {
+    background-color: #14c9c9;
+  }
+}
+
+.chart-spin {
+  display: flex;
+  flex-direction: column;
+  flex: 1;
+  width: 100%;
+  min-width: 0;
+}
+
+.alert-spin {
+  display: flex;
+  flex-direction: column;
+  flex: 1;
+  min-height: 0;
+  width: 100%;
+}
+
+.alert-list {
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+}
+
+.alert-item {
+  padding: 10px 12px;
+  border-radius: 8px;
+  background: var(--color-fill-1);
+  border: 1px solid var(--color-border-1);
+}
+
+.alert-item-top {
+  display: flex;
+  align-items: flex-start;
+  justify-content: space-between;
+  gap: 8px;
+  margin-bottom: 6px;
+}
+
+.alert-item-name {
+  font-size: 14px;
+  font-weight: 500;
+  color: var(--color-text-1);
+  line-height: 1.4;
+  flex: 1;
+  min-width: 0;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  display: -webkit-box;
+  -webkit-line-clamp: 2;
+  -webkit-box-orient: vertical;
+}
+
+.alert-item-meta {
+  display: flex;
+  align-items: center;
+  flex-wrap: wrap;
+  gap: 8px;
+  margin-bottom: 4px;
+}
+
+.alert-item-time {
+  font-size: 12px;
+  color: var(--color-text-3);
+}
+
+.alert-item-summary {
+  font-size: 12px;
+  line-height: 1.5;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  display: -webkit-box;
+  -webkit-line-clamp: 2;
+  -webkit-box-orient: vertical;
+}
+
+.alert-empty-wrap {
+  display: flex;
+  flex: 1;
+  align-items: center;
+  justify-content: center;
+  min-height: 300px;
+  box-sizing: border-box;
+}
+
+.text-muted {
+  font-size: 12px;
+  color: var(--color-text-3);
+}
+</style>