diff --git a/frontend/src/components/DashboardBreakdownTable.vue b/frontend/src/components/DashboardBreakdownTable.vue
new file mode 100644
index 0000000..ab0290b
--- /dev/null
+++ b/frontend/src/components/DashboardBreakdownTable.vue
@@ -0,0 +1,121 @@
+<script setup lang="ts">
+import type { DashboardBreakdownItem } from '@/types/api'
+
+defineProps<{
+  data: DashboardBreakdownItem[]
+  loading: boolean
+  dimension: 'company' | 'platform' | 'store'
+  dataType: string | undefined
+}>()
+
+const emit = defineEmits<{
+  'update:dimension': ['company' | 'platform' | 'store']
+  'update:dataType': [string | undefined]
+  'update:dateRange': [[string, string] | null]
+}>()
+
+const dimensionOptions = [
+  { label: '公司', value: 'company' },
+  { label: '平台', value: 'platform' },
+  { label: '店铺', value: 'store' },
+]
+
+const dataTypeOptions = [
+  { label: '全部', value: '' },
+  { label: '订单', value: 'order' },
+  { label: '产品', value: 'product' },
+  { label: '退款', value: 'refund' },
+  { label: '库存', value: 'inventory' },
+]
+
+const columns = computed(() => [
+  { title: '名称', dataIndex: 'name', key: 'name' },
+  { title: '成功数', dataIndex: 'success', key: 'success', sorter: (a: DashboardBreakdownItem, b: DashboardBreakdownItem) => a.success - b.success },
+  { title: '失败数', dataIndex: 'failed', key: 'failed', sorter: (a: DashboardBreakdownItem, b: DashboardBreakdownItem) => a.failed - b.failed },
+  { title: '合计', key: 'total', sorter: (a: DashboardBreakdownItem, b: DashboardBreakdownItem) => (a.success + a.failed) - (b.success + b.failed) },
+  { title: '失败率', key: 'failRate', sorter: (a: DashboardBreakdownItem, b: DashboardBreakdownItem) => failRate(a) - failRate(b) },
+])
+
+function failRate(row: DashboardBreakdownItem): number {
+  const total = row.success + row.failed
+  return total === 0 ? 0 : row.failed / total
+}
+
+function formatPercent(row: DashboardBreakdownItem): string {
+  return (failRate(row) * 100).toFixed(1) + '%'
+}
+
+function handleDimensionChange(e: unknown) {
+  const val = (e as { target: { value?: string } }).target.value as 'company' | 'platform' | 'store'
+  emit('update:dimension', val)
+}
+
+function handleDataTypeChange(val: unknown) {
+  emit('update:dataType', (val as string) || undefined)
+}
+
+function handleDateRangeChange(_dates: unknown, dateStrings: [string, string]) {
+  if (dateStrings[0] && dateStrings[1]) {
+    emit('update:dateRange', dateStrings)
+  } else {
+    emit('update:dateRange', null)
+  }
+}
+</script>
+
+<template>
+  <a-card title="分维度统计" class="mb-4">
+    <template #extra>
+      <a-space>
+        <a-radio-group
+          :value="dimension"
+          size="small"
+          @change="handleDimensionChange"
+        >
+          <a-radio-button v-for="opt in dimensionOptions" :key="opt.value" :value="opt.value">
+            {{ opt.label }}
+          </a-radio-button>
+        </a-radio-group>
+        <a-range-picker
+          size="small"
+          format="YYYY-MM-DD"
+          value-format="YYYY-MM-DD"
+          @change="handleDateRangeChange"
+        />
+        <a-select
+          :value="dataType ?? ''"
+          :options="dataTypeOptions"
+          style="width: 100px"
+          size="small"
+          @change="handleDataTypeChange"
+        />
+      </a-space>
+    </template>
+    <a-table
+      :columns="columns"
+      :data-source="data"
+      :loading="loading"
+      :pagination="false"
+      row-key="id"
+    >
+      <template #bodyCell="{ column, record }">
+        <template v-if="column.key === 'failed'">
+          <span :class="{ 'text-red-500 font-bold': (record as DashboardBreakdownItem).failed > 0 }">
+            {{ (record as DashboardBreakdownItem).failed }}
+          </span>
+        </template>
+        <template v-else-if="column.key === 'total'">
+          {{ (record as DashboardBreakdownItem).success + (record as DashboardBreakdownItem).failed }}
+        </template>
+        <template v-else-if="column.key === 'failRate'">
+          <span :class="{ 'text-red-500': failRate(record as DashboardBreakdownItem) > 0 }">
+            {{ formatPercent(record as DashboardBreakdownItem) }}
+          </span>
+        </template>
+      </template>
+      <template #emptyText>
+        <a-empty description="暂无统计数据" />
+      </template>
+    </a-table>
+  </a-card>
+</template>
diff --git a/frontend/src/components/DashboardByTypeCards.vue b/frontend/src/components/DashboardByTypeCards.vue
new file mode 100644
index 0000000..71445bc
--- /dev/null
+++ b/frontend/src/components/DashboardByTypeCards.vue
@@ -0,0 +1,55 @@
+<script setup lang="ts">
+import {
+  ShoppingCartOutlined,
+  ShoppingOutlined,
+  DollarOutlined,
+  DatabaseOutlined,
+} from '@ant-design/icons-vue'
+import type { DataTypeCount } from '@/types/api'
+
+defineProps<{
+  byType: DataTypeCount[]
+  loading: boolean
+}>()
+
+const iconMap: Record<string, ReturnType<typeof ShoppingCartOutlined>> = {
+  order: ShoppingCartOutlined,
+  product: ShoppingOutlined,
+  refund: DollarOutlined,
+  inventory: DatabaseOutlined,
+}
+
+const labelMap: Record<string, string> = {
+  order: '订单',
+  product: '产品',
+  refund: '退款',
+  inventory: '库存',
+}
+</script>
+
+<template>
+  <a-row :gutter="16" class="mb-4">
+    <a-col :span="6" v-for="item in byType" :key="item.data_type">
+      <a-card :bordered="false">
+        <a-skeleton :loading="loading" active :paragraph="{ rows: 2 }">
+          <div class="flex items-center gap-2 mb-3">
+            <component :is="iconMap[item.data_type] ?? DatabaseOutlined" class="text-lg" />
+            <span class="text-base font-medium">{{ labelMap[item.data_type] ?? item.data_type }}</span>
+          </div>
+          <div class="flex gap-6">
+            <a-statistic
+              title="成功"
+              :value="item.success"
+              :value-style="{ color: '#3f8600' }"
+            />
+            <a-statistic
+              title="失败"
+              :value="item.failed"
+              :value-style="item.failed > 0 ? { color: '#cf1322' } : {}"
+            />
+          </div>
+        </a-skeleton>
+      </a-card>
+    </a-col>
+  </a-row>
+</template>
diff --git a/frontend/src/components/DashboardOverviewCards.vue b/frontend/src/components/DashboardOverviewCards.vue
new file mode 100644
index 0000000..729b836
--- /dev/null
+++ b/frontend/src/components/DashboardOverviewCards.vue
@@ -0,0 +1,47 @@
+<script setup lang="ts">
+import { CheckCircleOutlined, CloseCircleOutlined } from '@ant-design/icons-vue'
+import type { DashboardOverview } from '@/types/api'
+
+defineProps<{
+  overview: DashboardOverview | null
+  loading: boolean
+}>()
+
+const periods = [
+  { key: 'today' as const, label: '今日' },
+  { key: 'this_week' as const, label: '本周' },
+  { key: 'this_month' as const, label: '本月' },
+]
+</script>
+
+<template>
+  <a-row :gutter="16" class="mb-4">
+    <a-col :span="8" v-for="p in periods" :key="p.key">
+      <a-card :bordered="false">
+        <a-skeleton :loading="loading" active :paragraph="{ rows: 2 }">
+          <h3 class="text-base font-medium mb-3">{{ p.label }}</h3>
+          <div class="flex gap-6">
+            <a-statistic
+              title="成功"
+              :value="overview?.[p.key]?.success ?? 0"
+              :value-style="{ color: '#3f8600' }"
+            >
+              <template #prefix>
+                <CheckCircleOutlined />
+              </template>
+            </a-statistic>
+            <a-statistic
+              title="失败"
+              :value="overview?.[p.key]?.failed ?? 0"
+              :value-style="(overview?.[p.key]?.failed ?? 0) > 0 ? { color: '#cf1322' } : {}"
+            >
+              <template #prefix>
+                <CloseCircleOutlined />
+              </template>
+            </a-statistic>
+          </div>
+        </a-skeleton>
+      </a-card>
+    </a-col>
+  </a-row>
+</template>
diff --git a/frontend/src/components/DashboardTrendChart.vue b/frontend/src/components/DashboardTrendChart.vue
new file mode 100644
index 0000000..b58084f
--- /dev/null
+++ b/frontend/src/components/DashboardTrendChart.vue
@@ -0,0 +1,125 @@
+<script setup lang="ts">
+import { Line } from '@antv/g2plot'
+import type { DashboardTrendPoint } from '@/types/api'
+
+const props = defineProps<{
+  data: DashboardTrendPoint[]
+  loading: boolean
+  groupBy: 'day' | 'week' | 'month'
+  dataType: string | undefined
+}>()
+
+const emit = defineEmits<{
+  'update:groupBy': ['day' | 'week' | 'month']
+  'update:dataType': [string | undefined]
+}>()
+
+const chartRef = ref<HTMLDivElement>()
+let chart: Line | null = null
+
+const groupByOptions = [
+  { label: '日', value: 'day' },
+  { label: '周', value: 'week' },
+  { label: '月', value: 'month' },
+]
+
+const dataTypeOptions = [
+  { label: '全部', value: '' },
+  { label: '订单', value: 'order' },
+  { label: '产品', value: 'product' },
+  { label: '退款', value: 'refund' },
+  { label: '库存', value: 'inventory' },
+]
+
+const flatData = computed(() => {
+  const result: { date: string; value: number; category: string }[] = []
+  for (const point of props.data) {
+    result.push({ date: point.date, value: point.success, category: '成功' })
+    result.push({ date: point.date, value: point.failed, category: '失败' })
+  }
+  return result
+})
+
+function createChart() {
+  if (!chartRef.value) return
+  chart = new Line(chartRef.value, {
+    data: flatData.value,
+    xField: 'date',
+    yField: 'value',
+    seriesField: 'category',
+    color: ['#52c41a', '#ff4d4f'],
+    smooth: true,
+    legend: { position: 'top' },
+    xAxis: { label: { autoRotate: true } },
+    yAxis: { label: { formatter: (v: string) => v } },
+    animation: false,
+  })
+  chart.render()
+}
+
+function handleGroupByChange(e: unknown) {
+  const val = (e as { target: { value?: string } }).target.value as 'day' | 'week' | 'month'
+  emit('update:groupBy', val)
+}
+
+function handleDataTypeChange(val: unknown) {
+  emit('update:dataType', (val as string) || undefined)
+}
+
+watch(flatData, () => {
+  if (chart) {
+    chart.changeData(flatData.value)
+  }
+})
+
+onMounted(() => {
+  if (props.data.length > 0) {
+    createChart()
+  }
+})
+
+watch(
+  () => props.data,
+  (newVal) => {
+    if (newVal.length > 0 && !chart) {
+      nextTick(() => createChart())
+    }
+  },
+)
+
+onBeforeUnmount(() => {
+  if (chart) {
+    chart.destroy()
+    chart = null
+  }
+})
+</script>
+
+<template>
+  <a-card title="数据趋势" class="mb-4">
+    <template #extra>
+      <a-space>
+        <a-radio-group
+          :value="groupBy"
+          size="small"
+          @change="handleGroupByChange"
+        >
+          <a-radio-button v-for="opt in groupByOptions" :key="opt.value" :value="opt.value">
+            {{ opt.label }}
+          </a-radio-button>
+        </a-radio-group>
+        <a-select
+          :value="dataType ?? ''"
+          :options="dataTypeOptions"
+          style="width: 100px"
+          size="small"
+          @change="handleDataTypeChange"
+        />
+      </a-space>
+    </template>
+    <a-spin :spinning="loading">
+      <div ref="chartRef" style="height: 350px" />
+      <a-empty v-if="!loading && data.length === 0" description="暂无趋势数据" />
+    </a-spin>
+  </a-card>
+</template>