diff --git a/yunkes/src/composables/useChart.ts b/yunkes/src/composables/useChart.ts
index 4bf6e7d..46072b5 100644
--- a/yunkes/src/composables/useChart.ts
+++ b/yunkes/src/composables/useChart.ts
@@ -1,5 +1,6 @@
 // ECharts 按需封装(2026-09-04):注册/主题/自适应/销毁一处管——后续所有
 // 图表页复用(二批 A2/A4/A5 直接 import 本 composable)。
+// 契约:容器须稳定存在(v-show 可,v-if 卸载重建不支持——chart 只 init 一次)。
 import { onBeforeUnmount, type Ref } from 'vue'
 import * as echarts from 'echarts/core'
 import { LineChart, BarChart } from 'echarts/charts'
@@ -14,7 +15,10 @@ export function useChart(el: Ref<HTMLElement | null>) {
   let ro: ResizeObserver | null = null
 
   const render = (option: EChartsCoreOption) => {
-    if (!el.value) return
+    if (!el.value) {
+      console.warn('[useChart] render called before element mounted')
+      return
+    }
     if (!chart) {
       chart = echarts.init(el.value)
       ro = new ResizeObserver(() => chart?.resize())
diff --git a/yunkes/src/views/analytics/DashboardView.vue b/yunkes/src/views/analytics/DashboardView.vue
index 3aae942..1d50bd8 100644
--- a/yunkes/src/views/analytics/DashboardView.vue
+++ b/yunkes/src/views/analytics/DashboardView.vue
@@ -1,8 +1,245 @@
 <template>
-  <div class="page">
-    <h2>数据看板</h2>
-    <p>实现于后续任务</p>
+  <div class="pa4-dashboard">
+    <div class="toolbar">
+      <el-radio-group v-model="channel" @change="load">
+        <el-radio-button value="wechat">微信</el-radio-button>
+        <el-radio-button value="whatsapp">WhatsApp</el-radio-button>
+      </el-radio-group>
+      <el-radio-group v-model="scope" @change="load">
+        <el-radio-button value="today">今日</el-radio-button>
+        <el-radio-button value="week">本周</el-radio-button>
+        <el-radio-button value="month">本月</el-radio-button>
+      </el-radio-group>
+      <span v-if="asOfText" class="as-of">数据截至 {{ asOfText }}</span>
+    </div>
+
+    <el-alert v-if="error" type="error" :title="error" :closable="false" class="anomaly" />
+
+    <el-alert v-if="anomalyView" type="warning" :closable="false" class="anomaly">
+      <template #title>
+        昨日消息量较前 7 日均值{{ anomalyView.dir }} {{ anomalyView.pct }}%（{{ anomalyView.yesterday }} vs 均值
+        {{ anomalyView.mean }}）
+        <span v-if="anomalyView.staffCount">— 涉及 {{ anomalyView.staffCount }} 名员工</span>
+      </template>
+      <div v-if="anomalyView.staffCount" class="anomaly-staff">
+        <div v-for="s in anomalyView.topStaff" :key="s.user_id">
+          {{ s.user_id }}：{{ s.yesterday }}（均值 {{ s.prev7_mean }}）{{ s.isNew ? '（新）' : '' }}
+        </div>
+      </div>
+    </el-alert>
+
+    <div v-loading="loading" class="cards">
+      <el-card v-for="c in cardList" :key="c.label" shadow="never">
+        <div class="card-label">{{ c.label }}</div>
+        <div class="card-value">{{ c.value }}</div>
+        <div v-if="c.delta !== undefined && c.delta !== null" class="card-delta" :class="{ down: c.delta < 0 }">
+          环比 {{ (c.delta * 100).toFixed(1) }}%
+        </div>
+        <div v-else-if="c.hint" class="card-hint">{{ c.hint }}</div>
+      </el-card>
+    </div>
+
+    <el-card v-loading="loading" shadow="never" class="trend-card">
+      <template #header>
+        <el-radio-group v-model="trendMetric" size="small">
+          <el-radio-button value="msg">消息量</el-radio-button>
+          <el-radio-button value="active_customers">活跃客户</el-radio-button>
+          <el-radio-button value="call_cnt">通话量</el-radio-button>
+        </el-radio-group>
+      </template>
+      <div ref="chartEl" class="trend-chart"></div>
+    </el-card>
   </div>
 </template>
 
-<script setup lang="ts"></script>
+<script setup lang="ts">
+// A1 数据看板:筛选栏(渠道×时间范围) → 异常警示条 → 五卡片 → 30 日趋势折线。
+// 数据来自 /analytics/overview + /analytics/health(数据截至角标)。
+import { computed, onMounted, ref, watch } from 'vue'
+import {
+  getAnalyticsHealth, getOverview, type Channel, type OverviewResp, type Scope,
+} from '@/api/analytics'
+import { useChart } from '@/composables/useChart'
+
+interface CardItem {
+  label: string
+  value: string
+  delta?: number
+  hint?: string
+}
+
+interface AnomalyStaffItem {
+  user_id: string
+  yesterday: number
+  prev7_mean: number
+  isNew: boolean
+}
+
+interface AnomalyView {
+  dir: string
+  pct: number
+  yesterday: number
+  mean: number
+  staffCount: number
+  topStaff: AnomalyStaffItem[]
+}
+
+const channel = ref<Channel>('wechat')
+const scope = ref<Scope>('today')
+const trendMetric = ref<'msg' | 'active_customers' | 'call_cnt'>('msg')
+const data = ref<OverviewResp | null>(null)
+const asOf = ref<number | null>(null)
+const loading = ref(false)
+const error = ref('')
+const chartEl = ref<HTMLElement | null>(null)
+const { render } = useChart(chartEl)
+
+let seq = 0 // 竞态守卫:channel/scope 快速切换时旧响应作废(项目惯例)
+
+async function load() {
+  const my = ++seq
+  loading.value = true
+  error.value = ''
+  try {
+    const [ov, h] = await Promise.all([getOverview(channel.value, scope.value), getAnalyticsHealth()])
+    if (my !== seq) return
+    data.value = ov
+    asOf.value = h.data_as_of
+  } catch (e) {
+    if (my === seq) error.value = e instanceof Error ? e.message : String(e)
+  } finally {
+    // 过期请求不清 loading(新一轮还在飞)也不覆盖 error
+    if (my === seq) loading.value = false
+  }
+}
+
+const asOfText = computed(() => {
+  if (!asOf.value) return ''
+  const d = new Date(asOf.value)
+  const pad = (n: number) => String(n).padStart(2, '0')
+  return `${d.getMonth() + 1}-${pad(d.getDate())} ${pad(d.getHours())}:${pad(d.getMinutes())}`
+})
+
+// 异常警示展示模型:判空/格式化收在 computed,模板只读定型字段(slot 闭包里
+// 无法沿用 v-if 的空值窄化,预拍平最稳)
+const anomalyView = computed<AnomalyView | null>(() => {
+  const a = data.value?.anomaly
+  if (!a) return null
+  return {
+    dir: a.total_delta_pct > 0 ? '高' : '低',
+    pct: Math.abs(Math.round(a.total_delta_pct * 100)),
+    yesterday: a.yesterday_total,
+    mean: a.prev7_mean,
+    staffCount: a.staff.length,
+    topStaff: a.staff.slice(0, 5).map((s) => ({
+      user_id: s.user_id,
+      yesterday: s.yesterday,
+      prev7_mean: s.prev7_mean,
+      isNew: !!s.new,
+    })),
+  }
+})
+
+const fmt = (n: number | undefined | null) => (n ?? 0).toLocaleString()
+
+const cardList = computed<CardItem[]>(() => {
+  const c = data.value?.cards
+  if (!c) return []
+  return [
+    {
+      label: '消息量',
+      value: fmt(c.msg_total),
+      // 今日卡片无 msg_total_delta 键;周/月可能有 null(前值缺失)→ 统一 undefined 不展示
+      delta: scope.value === 'today' ? undefined : (c.msg_total_delta ?? undefined),
+    },
+    { label: '活跃客户', value: fmt(c.active_customers) },
+    {
+      label: '活跃员工',
+      value: fmt(c.active_staff),
+      hint: c.unmapped_accounts > 0 ? `含未映射账号 ${c.unmapped_accounts}` : undefined,
+    },
+    { label: '通话量', value: fmt(c.call_cnt) },
+    { label: '首次沟通客户', value: fmt(c.first_contact) },
+  ]
+})
+
+function draw() {
+  const t = data.value?.trend
+  if (!t) return
+  render({
+    grid: { left: 48, right: 16, top: 24, bottom: 28 },
+    tooltip: { trigger: 'axis' },
+    xAxis: {
+      type: 'category',
+      // day 是 yyyymmdd int(20260904 → "09-04")
+      data: t.map((p) => `${String(p.day).slice(4, 6)}-${String(p.day).slice(6)}`),
+    },
+    yAxis: { type: 'value' },
+    series: [
+      {
+        type: 'line',
+        smooth: true,
+        areaStyle: { opacity: 0.12 },
+        data: t.map((p) => p[trendMetric.value]),
+      },
+    ],
+  })
+}
+
+// post:等 DOM 更新后再画,保证首帧 chartEl 已挂载(趋势图恒 30 天,随 data 重画)
+watch([data, trendMetric], draw, { flush: 'post' })
+
+onMounted(load)
+</script>
+
+<style scoped>
+.toolbar {
+  display: flex;
+  gap: 12px;
+  align-items: center;
+  margin-bottom: 16px;
+}
+.as-of {
+  color: var(--el-text-color-secondary);
+  font-size: 12px;
+  margin-left: auto;
+}
+.anomaly {
+  margin-bottom: 16px;
+}
+.anomaly-staff {
+  font-size: 12px;
+  color: var(--el-text-color-secondary);
+  margin-top: 4px;
+}
+.cards {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
+  gap: 12px;
+  margin-bottom: 16px;
+  min-height: 60px;
+}
+.card-label {
+  color: var(--el-text-color-secondary);
+  font-size: 13px;
+}
+.card-value {
+  font-size: 26px;
+  font-weight: 600;
+  margin: 6px 0 2px;
+}
+.card-delta {
+  font-size: 12px;
+  color: var(--el-color-success);
+}
+.card-delta.down {
+  color: var(--el-color-danger);
+}
+.card-hint {
+  font-size: 11px;
+  color: var(--el-text-color-secondary);
+}
+.trend-chart {
+  height: 320px;
+}
+</style>