diff --git a/src/views/virtualization/VmDetail.vue b/src/views/virtualization/VmDetail.vue
index 5e39a45..5656580 100644
--- a/src/views/virtualization/VmDetail.vue
+++ b/src/views/virtualization/VmDetail.vue
@@ -2000,6 +2000,19 @@ const loadHostOptions = async () => {
   } catch { /* */ }
 }
 
+const readHostId = value => Number(value?.host_id ?? value?.hostId ?? value?.HostId ?? 0) || 0
+const resolveVmHostId = responseData => {
+  const vm = responseData?.data ?? responseData?.vm ?? responseData
+  const volumes = responseData?.volumes || []
+  const networks = responseData?.networks || []
+  const systemVolume = volumes.find(volume => (volume.is_system ?? volume.isSystem) && readHostId(volume))
+  const anyVolume = volumes.find(volume => readHostId(volume))
+  const anyNetwork = networks.find(network => readHostId(network))
+  return readHostId(responseData) || readHostId(responseData?.host) || readHostId(vm) ||
+    readHostId(systemVolume) || readHostId(anyVolume) || readHostId(anyNetwork) ||
+    Number(route.query.host_id) || 0
+}
+
 const loadDetail = async () => {
   if (!vmId.value) return
   loading.value = true
@@ -2024,7 +2037,7 @@ const loadDetail = async () => {
       }
       vmPortGroup.value = d.in_port_group || null
       vmOutPortGroup.value = d.out_port_group || null
-      vmHostId.value = detail.value?.host_id || vmVolumes.value[0]?.host_id || vmNetworks.value[0]?.host_id || 0
+      vmHostId.value = resolveVmHostId(d)
       handleDetailMigrateState()
     } else ElMessage.error(extractApiError(res?.data, '加载失败'))
   } catch (e) { ElMessage.error(extractApiError(e?.response?.data, '加载失败')) } finally { loading.value = false }
@@ -2162,6 +2175,10 @@ const vmMemPercent = (m) => {
 
 const loadHistoricalMetrics = async () => {
   if (!serviceId.value || !detail.value?.name) return
+  if (!vmHostId.value) {
+    ElMessage.warning('未获取到虚拟机所属宿主机，无法加载监控指标')
+    return
+  }
   const range = getMonitorTimeRange()
   if (!range) return
   historicalMetricsLoading.value = true
diff --git a/src/views/virtualization/VmManage.vue b/src/views/virtualization/VmManage.vue
index 653c8bd..93ea5b0 100644
--- a/src/views/virtualization/VmManage.vue
+++ b/src/views/virtualization/VmManage.vue
@@ -987,6 +987,18 @@ const handleExitRescue = (row) => {
   }).catch(() => {})
 }
 
+const readHostId = value => Number(value?.host_id ?? value?.hostId ?? value?.HostId ?? 0) || 0
+const resolveVmHostId = responseData => {
+  const vm = responseData?.data ?? responseData?.vm ?? responseData
+  const volumes = responseData?.volumes || []
+  const networks = responseData?.networks || []
+  const systemVolume = volumes.find(volume => (volume.is_system ?? volume.isSystem) && readHostId(volume))
+  const anyVolume = volumes.find(volume => readHostId(volume))
+  const anyNetwork = networks.find(network => readHostId(network))
+  return readHostId(responseData) || readHostId(responseData?.host) || readHostId(vm) ||
+    readHostId(systemVolume) || readHostId(anyVolume) || readHostId(anyNetwork) || 0
+}
+
 const handleViewDetail = async (row) => {
   detailVisible.value = true
   detailLoading.value = true
@@ -1001,6 +1013,7 @@ const handleViewDetail = async (row) => {
       vm.volumes = d.volumes || []
       vm.image = d.image || null
       vm.in_port_group = d.in_port_group || null
+      vm.host_id = resolveVmHostId(d) || Number(hostId.value) || 0
       if (!vm.ips && vm.networks?.length) vm.ips = vm.networks.map(n => n.address?.split('/')[0]).filter(Boolean).join(', ')
       currentDetail.value = vm
     }
@@ -1023,11 +1036,16 @@ const fetchVmStatus = async (vm) => {
 
 const fetchVmMetrics = async (vm) => {
   try {
+    const metricsHostId = readHostId(vm) || Number(hostId.value) || 0
+    if (!metricsHostId) {
+      ElMessage.warning('未获取到虚拟机所属宿主机，无法查看指标')
+      return
+    }
     const now = new Date()
     const start = new Date(now.getTime() - 60 * 60 * 1000)
     const res = await getMetricsHistory({
       service_id: serviceId.value,
-      host_id: vm.host_id || hostId.value,
+      host_id: metricsHostId,
       vm_name: vm.name,
       start: start.toISOString(),
       end_time: now.toISOString(),