diff --git a/frontend/src/i18n/locales/zh.ts b/frontend/src/i18n/locales/zh.ts
index dacf2c61..95406179 100644
--- a/frontend/src/i18n/locales/zh.ts
+++ b/frontend/src/i18n/locales/zh.ts
@@ -154,6 +154,7 @@ export default {
     saving: '保存中...',
     selectedCount: '（已选 {count} 个）',
     refresh: '刷新',
+    settings: '设置',
     notAvailable: '不可用',
     now: '现在',
     unknown: '未知',
@@ -2205,13 +2206,16 @@ export default {
         loading: '加载中...',
         empty: '暂无告警规则',
         loadFailed: '加载告警规则失败',
+        saveSuccess: '警报规则保存成功',
         saveFailed: '保存告警规则失败',
+        deleteSuccess: '警报规则删除成功',
         deleteFailed: '删除告警规则失败',
         create: '新建规则',
         createTitle: '新建告警规则',
         editTitle: '编辑告警规则',
         deleteConfirmTitle: '确认删除该规则？',
         deleteConfirmMessage: '将删除该规则及其关联的告警事件，是否继续？',
+        manage: '预警规则',
         metrics: {
           successRate: '成功率 (%)',
           errorRate: '错误率 (%)',
@@ -2350,6 +2354,42 @@ export default {
           accountHealthThresholdRange: '账号健康错误率阈值必须在 0 到 100 之间'
         }
       },
+      settings: {
+        title: '运维监控设置',
+        loadFailed: '加载设置失败',
+        saveSuccess: '运维监控设置保存成功',
+        saveFailed: '保存设置失败',
+        dataCollection: '数据采集',
+        evaluationInterval: '评估间隔（秒）',
+        evaluationIntervalHint: '检测任务的执行频率，建议保持默认',
+        alertConfig: '预警配置',
+        enableAlert: '开启预警',
+        alertRecipients: '预警接收邮箱',
+        emailPlaceholder: '输入邮箱地址',
+        recipientsHint: '若为空，系统将使用第一个管理员邮箱作为默认收件人',
+        minSeverity: '最低级别',
+        reportConfig: '评估报告配置',
+        enableReport: '开启评估报告',
+        reportRecipients: '评估报告接收邮箱',
+        dailySummary: '每日摘要',
+        weeklySummary: '每周摘要',
+        advancedSettings: '高级设置',
+        dataRetention: '数据保留策略',
+        enableCleanup: '启用数据清理',
+        cleanupSchedule: '清理计划（Cron）',
+        cleanupScheduleHint: '例如：0 2 * * * 表示每天凌晨2点',
+        errorLogRetentionDays: '错误日志保留天数',
+        minuteMetricsRetentionDays: '分钟指标保留天数',
+        hourlyMetricsRetentionDays: '小时指标保留天数',
+        retentionDaysHint: '建议保留7-90天，过长会占用存储空间',
+        aggregation: '预聚合任务',
+        enableAggregation: '启用预聚合任务',
+        aggregationHint: '预聚合可提升长时间窗口查询性能',
+        validation: {
+          title: '请先修正以下问题',
+          retentionDaysRange: '保留天数必须在1-365天之间'
+        }
+      },
       concurrency: {
         title: '并发 / 排队',
         byPlatform: '按平台',
@@ -2383,10 +2423,12 @@ export default {
         accountError: '异常'
       },
       tooltips: {
+        totalRequests: '当前时间窗口内的总请求数和Token消耗量。',
         throughputTrend: '当前窗口内的请求/QPS 与 token/TPS 趋势。',
         latencyHistogram: '成功请求的延迟分布（毫秒）。',
         errorTrend: '错误趋势（SLA 口径排除业务限制；上游错误率排除 429/529）。',
         errorDistribution: '按状态码统计的错误分布。',
+        upstreamErrors: '上游服务返回的错误，包括API提供商的错误响应（排除429/529限流错误）。',
         goroutines:
           'Go 运行时的协程数量（轻量级线程）。没有绝对“安全值”，建议以历史基线为准。经验参考：<2000 常见；2000-8000 需关注；>8000 且伴随队列/延迟上升时，优先排查阻塞/泄漏。',
         cpu: 'CPU 使用率，显示系统处理器的负载情况。',
diff --git a/frontend/src/views/admin/ops/components/OpsAlertRulesCard.vue b/frontend/src/views/admin/ops/components/OpsAlertRulesCard.vue
index 6bf1dcae..edf8c40c 100644
--- a/frontend/src/views/admin/ops/components/OpsAlertRulesCard.vue
+++ b/frontend/src/views/admin/ops/components/OpsAlertRulesCard.vue
@@ -136,7 +136,7 @@ async function save() {
     draft.value = null
     editingId.value = null
     await load()
-    appStore.showSuccess(t('common.success'))
+    appStore.showSuccess(t('admin.ops.alertRules.saveSuccess'))
   } catch (err: any) {
     console.error('[OpsAlertRulesCard] Failed to save rule', err)
     appStore.showError(err?.response?.data?.detail || t('admin.ops.alertRules.saveFailed'))
@@ -160,7 +160,7 @@ async function confirmDelete() {
     showDeleteConfirm.value = false
     pendingDelete.value = null
     await load()
-    appStore.showSuccess(t('common.success'))
+    appStore.showSuccess(t('admin.ops.alertRules.deleteSuccess'))
   } catch (err: any) {
     console.error('[OpsAlertRulesCard] Failed to delete rule', err)
     appStore.showError(err?.response?.data?.detail || t('admin.ops.alertRules.deleteFailed'))
diff --git a/frontend/src/views/admin/ops/components/OpsSettingsDialog.vue b/frontend/src/views/admin/ops/components/OpsSettingsDialog.vue
new file mode 100644
index 00000000..968c5081
--- /dev/null
+++ b/frontend/src/views/admin/ops/components/OpsSettingsDialog.vue
@@ -0,0 +1,395 @@
+<script setup lang="ts">
+import { ref, computed, watch } from 'vue'
+import { useI18n } from 'vue-i18n'
+import { useAppStore } from '@/stores/app'
+import { opsAPI } from '@/api/admin/ops'
+import BaseDialog from '@/components/common/BaseDialog.vue'
+import Select from '@/components/common/Select.vue'
+import Toggle from '@/components/common/Toggle.vue'
+import type { OpsAlertRuntimeSettings, EmailNotificationConfig, AlertSeverity, OpsAdvancedSettings } from '../types'
+
+const { t } = useI18n()
+const appStore = useAppStore()
+
+const props = defineProps<{
+  show: boolean
+}>()
+
+const emit = defineEmits<{
+  close: []
+  saved: []
+}>()
+
+const loading = ref(false)
+const saving = ref(false)
+
+// 运行时设置
+const runtimeSettings = ref<OpsAlertRuntimeSettings | null>(null)
+// 邮件通知配置
+const emailConfig = ref<EmailNotificationConfig | null>(null)
+// 高级设置
+const advancedSettings = ref<OpsAdvancedSettings | null>(null)
+
+// 加载所有配置
+async function loadAllSettings() {
+  loading.value = true
+  try {
+    const [runtime, email, advanced] = await Promise.all([
+      opsAPI.getAlertRuntimeSettings(),
+      opsAPI.getEmailNotificationConfig(),
+      opsAPI.getAdvancedSettings()
+    ])
+    runtimeSettings.value = runtime
+    emailConfig.value = email
+    advancedSettings.value = advanced
+  } catch (err: any) {
+    console.error('[OpsSettingsDialog] Failed to load settings', err)
+    appStore.showError(err?.response?.data?.detail || t('admin.ops.settings.loadFailed'))
+  } finally {
+    loading.value = false
+  }
+}
+
+// 监听弹窗打开
+watch(() => props.show, (show) => {
+  if (show) {
+    loadAllSettings()
+  }
+})
+
+// 邮件输入
+const alertRecipientInput = ref('')
+const reportRecipientInput = ref('')
+
+// 严重级别选项
+const severityOptions: Array<{ value: AlertSeverity | ''; label: string }> = [
+  { value: '', label: t('admin.ops.email.minSeverityAll') },
+  { value: 'critical', label: t('common.critical') },
+  { value: 'warning', label: t('common.warning') },
+  { value: 'info', label: t('common.info') }
+]
+
+// 验证邮箱
+function isValidEmailAddress(email: string): boolean {
+  return /^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(email)
+}
+
+// 添加收件人
+function addRecipient(target: 'alert' | 'report') {
+  if (!emailConfig.value) return
+  const raw = (target === 'alert' ? alertRecipientInput.value : reportRecipientInput.value).trim()
+  if (!raw) return
+
+  if (!isValidEmailAddress(raw)) {
+    appStore.showError(t('common.invalidEmail'))
+    return
+  }
+
+  const normalized = raw.toLowerCase()
+  const list = target === 'alert' ? emailConfig.value.alert.recipients : emailConfig.value.report.recipients
+  if (!list.includes(normalized)) {
+    list.push(normalized)
+  }
+  if (target === 'alert') alertRecipientInput.value = ''
+  else reportRecipientInput.value = ''
+}
+
+// 移除收件人
+function removeRecipient(target: 'alert' | 'report', email: string) {
+  if (!emailConfig.value) return
+  const list = target === 'alert' ? emailConfig.value.alert.recipients : emailConfig.value.report.recipients
+  const idx = list.indexOf(email)
+  if (idx >= 0) list.splice(idx, 1)
+}
+
+// 验证
+const validation = computed(() => {
+  const errors: string[] = []
+
+  // 验证运行时设置
+  if (runtimeSettings.value) {
+    const evalSeconds = runtimeSettings.value.evaluation_interval_seconds
+    if (!Number.isFinite(evalSeconds) || evalSeconds < 1 || evalSeconds > 86400) {
+      errors.push(t('admin.ops.runtime.validation.evalIntervalRange'))
+    }
+  }
+
+  // 验证邮件配置
+  if (emailConfig.value) {
+    if (emailConfig.value.alert.enabled && emailConfig.value.alert.recipients.length === 0) {
+      errors.push(t('admin.ops.email.validation.alertRecipientsRequired'))
+    }
+    if (emailConfig.value.report.enabled && emailConfig.value.report.recipients.length === 0) {
+      errors.push(t('admin.ops.email.validation.reportRecipientsRequired'))
+    }
+  }
+
+  // 验证高级设置
+  if (advancedSettings.value) {
+    const { error_log_retention_days, minute_metrics_retention_days, hourly_metrics_retention_days } = advancedSettings.value.data_retention
+    if (error_log_retention_days < 1 || error_log_retention_days > 365) {
+      errors.push(t('admin.ops.settings.validation.retentionDaysRange'))
+    }
+    if (minute_metrics_retention_days < 1 || minute_metrics_retention_days > 365) {
+      errors.push(t('admin.ops.settings.validation.retentionDaysRange'))
+    }
+    if (hourly_metrics_retention_days < 1 || hourly_metrics_retention_days > 365) {
+      errors.push(t('admin.ops.settings.validation.retentionDaysRange'))
+    }
+  }
+
+  return { valid: errors.length === 0, errors }
+})
+
+// 保存所有配置
+async function saveAllSettings() {
+  if (!validation.value.valid) {
+    appStore.showError(validation.value.errors[0])
+    return
+  }
+
+  saving.value = true
+  try {
+    await Promise.all([
+      runtimeSettings.value ? opsAPI.updateAlertRuntimeSettings(runtimeSettings.value) : Promise.resolve(),
+      emailConfig.value ? opsAPI.updateEmailNotificationConfig(emailConfig.value) : Promise.resolve(),
+      advancedSettings.value ? opsAPI.updateAdvancedSettings(advancedSettings.value) : Promise.resolve()
+    ])
+    appStore.showSuccess(t('admin.ops.settings.saveSuccess'))
+    emit('saved')
+    emit('close')
+  } catch (err: any) {
+    console.error('[OpsSettingsDialog] Failed to save settings', err)
+    appStore.showError(err?.response?.data?.detail || t('admin.ops.settings.saveFailed'))
+  } finally {
+    saving.value = false
+  }
+}
+</script>
+
+<template>
+  <BaseDialog :show="show" :title="t('admin.ops.settings.title')" width="extra-wide" @close="emit('close')">
+    <div v-if="loading" class="py-10 text-center text-sm text-gray-500">
+      {{ t('common.loading') }}
+    </div>
+
+    <div v-else-if="runtimeSettings && emailConfig && advancedSettings" class="space-y-6">
+      <!-- 验证错误 -->
+      <div v-if="!validation.valid" class="rounded-lg border border-amber-200 bg-amber-50 p-3 text-xs text-amber-800 dark:border-amber-900/50 dark:bg-amber-900/20 dark:text-amber-200">
+        <div class="font-bold">{{ t('admin.ops.settings.validation.title') }}</div>
+        <ul class="mt-1 list-disc space-y-1 pl-4">
+          <li v-for="msg in validation.errors" :key="msg">{{ msg }}</li>
+        </ul>
+      </div>
+
+      <!-- 数据采集频率 -->
+      <div class="rounded-2xl bg-gray-50 p-4 dark:bg-dark-700/50">
+        <h4 class="mb-3 text-sm font-semibold text-gray-900 dark:text-white">{{ t('admin.ops.settings.dataCollection') }}</h4>
+        <div>
+          <label class="input-label">{{ t('admin.ops.settings.evaluationInterval') }}</label>
+          <input
+            v-model.number="runtimeSettings.evaluation_interval_seconds"
+            type="number"
+            min="1"
+            max="86400"
+            class="input"
+          />
+          <p class="mt-1 text-xs text-gray-500">{{ t('admin.ops.settings.evaluationIntervalHint') }}</p>
+        </div>
+      </div>
+
+      <!-- 预警配置 -->
+      <div class="rounded-2xl bg-gray-50 p-4 dark:bg-dark-700/50">
+        <h4 class="mb-3 text-sm font-semibold text-gray-900 dark:text-white">{{ t('admin.ops.settings.alertConfig') }}</h4>
+
+        <div class="space-y-4">
+          <div class="flex items-center justify-between">
+            <div>
+              <label class="font-medium text-gray-900 dark:text-white">{{ t('admin.ops.settings.enableAlert') }}</label>
+            </div>
+            <Toggle v-model="emailConfig.alert.enabled" />
+          </div>
+
+          <div v-if="emailConfig.alert.enabled">
+            <label class="input-label">{{ t('admin.ops.settings.alertRecipients') }}</label>
+            <div class="flex gap-2">
+              <input
+                v-model="alertRecipientInput"
+                type="email"
+                class="input"
+                :placeholder="t('admin.ops.settings.emailPlaceholder')"
+                @keydown.enter.prevent="addRecipient('alert')"
+              />
+              <button class="btn btn-secondary whitespace-nowrap" type="button" @click="addRecipient('alert')">
+                {{ t('common.add') }}
+              </button>
+            </div>
+            <div class="mt-2 flex flex-wrap gap-2">
+              <span
+                v-for="email in emailConfig.alert.recipients"
+                :key="email"
+                class="inline-flex items-center gap-2 rounded-full bg-blue-100 px-3 py-1 text-xs font-medium text-blue-700 dark:bg-blue-900/30 dark:text-blue-400"
+              >
+                {{ email }}
+                <button type="button" class="text-blue-700/80 hover:text-blue-900" @click="removeRecipient('alert', email)">×</button>
+              </span>
+            </div>
+            <p class="mt-2 text-xs text-gray-500 dark:text-gray-400">
+              {{ t('admin.ops.settings.recipientsHint') }}
+            </p>
+          </div>
+
+          <div v-if="emailConfig.alert.enabled">
+            <label class="input-label">{{ t('admin.ops.settings.minSeverity') }}</label>
+            <Select v-model="emailConfig.alert.min_severity" :options="severityOptions" />
+          </div>
+        </div>
+      </div>
+
+      <!-- 评估报告配置 -->
+      <div class="rounded-2xl bg-gray-50 p-4 dark:bg-dark-700/50">
+        <h4 class="mb-3 text-sm font-semibold text-gray-900 dark:text-white">{{ t('admin.ops.settings.reportConfig') }}</h4>
+
+        <div class="space-y-4">
+          <div class="flex items-center justify-between">
+            <div>
+              <label class="font-medium text-gray-900 dark:text-white">{{ t('admin.ops.settings.enableReport') }}</label>
+            </div>
+            <Toggle v-model="emailConfig.report.enabled" />
+          </div>
+
+          <div v-if="emailConfig.report.enabled">
+            <label class="input-label">{{ t('admin.ops.settings.reportRecipients') }}</label>
+            <div class="flex gap-2">
+              <input
+                v-model="reportRecipientInput"
+                type="email"
+                class="input"
+                :placeholder="t('admin.ops.settings.emailPlaceholder')"
+                @keydown.enter.prevent="addRecipient('report')"
+              />
+              <button class="btn btn-secondary whitespace-nowrap" type="button" @click="addRecipient('report')">
+                {{ t('common.add') }}
+              </button>
+            </div>
+            <div class="mt-2 flex flex-wrap gap-2">
+              <span
+                v-for="email in emailConfig.report.recipients"
+                :key="email"
+                class="inline-flex items-center gap-2 rounded-full bg-blue-100 px-3 py-1 text-xs font-medium text-blue-700 dark:bg-blue-900/30 dark:text-blue-400"
+              >
+                {{ email }}
+                <button type="button" class="text-blue-700/80 hover:text-blue-900" @click="removeRecipient('report', email)">×</button>
+              </span>
+            </div>
+            <p class="mt-2 text-xs text-gray-500 dark:text-gray-400">
+              {{ t('admin.ops.settings.recipientsHint') }}
+            </p>
+          </div>
+
+          <div v-if="emailConfig.report.enabled" class="grid grid-cols-1 gap-4 md:grid-cols-2">
+            <div class="flex items-center justify-between">
+              <label class="text-sm font-medium text-gray-700 dark:text-gray-300">{{ t('admin.ops.settings.dailySummary') }}</label>
+              <Toggle v-model="emailConfig.report.daily_summary_enabled" />
+            </div>
+            <div v-if="emailConfig.report.daily_summary_enabled">
+              <input v-model="emailConfig.report.daily_summary_schedule" type="text" class="input" placeholder="0 9 * * *" />
+            </div>
+            <div class="flex items-center justify-between">
+              <label class="text-sm font-medium text-gray-700 dark:text-gray-300">{{ t('admin.ops.settings.weeklySummary') }}</label>
+              <Toggle v-model="emailConfig.report.weekly_summary_enabled" />
+            </div>
+            <div v-if="emailConfig.report.weekly_summary_enabled">
+              <input v-model="emailConfig.report.weekly_summary_schedule" type="text" class="input" placeholder="0 9 * * 1" />
+            </div>
+          </div>
+        </div>
+      </div>
+
+      <!-- 高级设置 -->
+      <details class="rounded-2xl bg-gray-50 dark:bg-dark-700/50">
+        <summary class="cursor-pointer p-4 text-sm font-semibold text-gray-900 dark:text-white">
+          {{ t('admin.ops.settings.advancedSettings') }}
+        </summary>
+        <div class="space-y-4 px-4 pb-4">
+          <!-- 数据保留策略 -->
+          <div class="space-y-3">
+            <h5 class="text-xs font-semibold text-gray-700 dark:text-gray-300">{{ t('admin.ops.settings.dataRetention') }}</h5>
+
+            <div class="flex items-center justify-between">
+              <label class="text-sm font-medium text-gray-700 dark:text-gray-300">{{ t('admin.ops.settings.enableCleanup') }}</label>
+              <Toggle v-model="advancedSettings.data_retention.cleanup_enabled" />
+            </div>
+
+            <div v-if="advancedSettings.data_retention.cleanup_enabled">
+              <label class="input-label">{{ t('admin.ops.settings.cleanupSchedule') }}</label>
+              <input
+                v-model="advancedSettings.data_retention.cleanup_schedule"
+                type="text"
+                class="input"
+                placeholder="0 2 * * *"
+              />
+              <p class="mt-1 text-xs text-gray-500">{{ t('admin.ops.settings.cleanupScheduleHint') }}</p>
+            </div>
+
+            <div class="grid grid-cols-1 gap-4 md:grid-cols-3">
+              <div>
+                <label class="input-label">{{ t('admin.ops.settings.errorLogRetentionDays') }}</label>
+                <input
+                  v-model.number="advancedSettings.data_retention.error_log_retention_days"
+                  type="number"
+                  min="1"
+                  max="365"
+                  class="input"
+                />
+              </div>
+              <div>
+                <label class="input-label">{{ t('admin.ops.settings.minuteMetricsRetentionDays') }}</label>
+                <input
+                  v-model.number="advancedSettings.data_retention.minute_metrics_retention_days"
+                  type="number"
+                  min="1"
+                  max="365"
+                  class="input"
+                />
+              </div>
+              <div>
+                <label class="input-label">{{ t('admin.ops.settings.hourlyMetricsRetentionDays') }}</label>
+                <input
+                  v-model.number="advancedSettings.data_retention.hourly_metrics_retention_days"
+                  type="number"
+                  min="1"
+                  max="365"
+                  class="input"
+                />
+              </div>
+            </div>
+            <p class="text-xs text-gray-500">{{ t('admin.ops.settings.retentionDaysHint') }}</p>
+          </div>
+
+          <!-- 预聚合任务 -->
+          <div class="space-y-3">
+            <h5 class="text-xs font-semibold text-gray-700 dark:text-gray-300">{{ t('admin.ops.settings.aggregation') }}</h5>
+
+            <div class="flex items-center justify-between">
+              <div>
+                <label class="text-sm font-medium text-gray-700 dark:text-gray-300">{{ t('admin.ops.settings.enableAggregation') }}</label>
+                <p class="mt-1 text-xs text-gray-500">{{ t('admin.ops.settings.aggregationHint') }}</p>
+              </div>
+              <Toggle v-model="advancedSettings.aggregation.aggregation_enabled" />
+            </div>
+          </div>
+        </div>
+      </details>
+    </div>
+
+    <template #footer>
+      <div class="flex justify-end gap-2">
+        <button class="btn btn-secondary" @click="emit('close')">{{ t('common.cancel') }}</button>
+        <button class="btn btn-primary" :disabled="saving || !validation.valid" @click="saveAllSettings">
+          {{ saving ? t('common.saving') : t('common.save') }}
+        </button>
+      </div>
+    </template>
+  </BaseDialog>
+</template>