diff --git a/src/routes/apiStats.js b/src/routes/apiStats.js
index 2acad6cb..21efa7be 100644
--- a/src/routes/apiStats.js
+++ b/src/routes/apiStats.js
@@ -438,10 +438,9 @@ router.post('/api/batch-stats', async (req, res) => {
       })
     }
 
-    const client = redis.getClientSafe()
     const individualStats = []
     const aggregated = {
-      totalKeys: 0,
+      totalKeys: apiIds.length,
       activeKeys: 0,
       usage: {
         requests: 0,
@@ -475,7 +474,7 @@ router.post('/api/batch-stats', async (req, res) => {
       }
     }
 
-    // 并行查询所有 API Key 数据
+    // 并行查询所有 API Key 数据（复用单key查询逻辑）
     const results = await Promise.allSettled(
       apiIds.map(async (apiId) => {
         const keyData = await redis.getApiKey(apiId)
@@ -494,76 +493,11 @@ router.post('/api/batch-stats', async (req, res) => {
           return { error: 'Expired', apiId }
         }
 
-        // 获取使用统计
+        // 复用单key查询的逻辑：获取使用统计
         const usage = await redis.getUsageStats(apiId)
 
-        // 获取今日和本月统计
-        const tzDate = redis.getDateInTimezone()
-        const today = redis.getDateStringInTimezone()
-        const currentMonth = `${tzDate.getFullYear()}-${String(tzDate.getMonth() + 1).padStart(2, '0')}`
-
-        // 获取今日模型统计
-        const dailyKeys = await client.keys(`usage:${apiId}:model:daily:*:${today}`)
-        const dailyStats = {
-          requests: 0,
-          inputTokens: 0,
-          outputTokens: 0,
-          cacheCreateTokens: 0,
-          cacheReadTokens: 0,
-          allTokens: 0,
-          cost: 0
-        }
-
-        for (const key of dailyKeys) {
-          const data = await client.hgetall(key)
-          if (data && Object.keys(data).length > 0) {
-            dailyStats.requests += parseInt(data.requests) || 0
-            dailyStats.inputTokens += parseInt(data.inputTokens) || 0
-            dailyStats.outputTokens += parseInt(data.outputTokens) || 0
-            dailyStats.cacheCreateTokens += parseInt(data.cacheCreateTokens) || 0
-            dailyStats.cacheReadTokens += parseInt(data.cacheReadTokens) || 0
-            dailyStats.allTokens += parseInt(data.allTokens) || 0
-          }
-        }
-
-        // 获取本月模型统计
-        const monthlyKeys = await client.keys(`usage:${apiId}:model:monthly:*:${currentMonth}`)
-        const monthlyStats = {
-          requests: 0,
-          inputTokens: 0,
-          outputTokens: 0,
-          cacheCreateTokens: 0,
-          cacheReadTokens: 0,
-          allTokens: 0,
-          cost: 0
-        }
-
-        for (const key of monthlyKeys) {
-          const data = await client.hgetall(key)
-          if (data && Object.keys(data).length > 0) {
-            monthlyStats.requests += parseInt(data.requests) || 0
-            monthlyStats.inputTokens += parseInt(data.inputTokens) || 0
-            monthlyStats.outputTokens += parseInt(data.outputTokens) || 0
-            monthlyStats.cacheCreateTokens += parseInt(data.cacheCreateTokens) || 0
-            monthlyStats.cacheReadTokens += parseInt(data.cacheReadTokens) || 0
-            monthlyStats.allTokens += parseInt(data.allTokens) || 0
-          }
-        }
-
-        // 计算费用
-        const calculateCostForStats = (stats) => {
-          const usageData = {
-            input_tokens: stats.inputTokens,
-            output_tokens: stats.outputTokens,
-            cache_creation_input_tokens: stats.cacheCreateTokens,
-            cache_read_input_tokens: stats.cacheReadTokens
-          }
-          const costResult = CostCalculator.calculateCost(usageData, 'claude-3-5-sonnet-20241022')
-          return costResult.costs.total
-        }
-
-        dailyStats.cost = calculateCostForStats(dailyStats)
-        monthlyStats.cost = calculateCostForStats(monthlyStats)
+        // 获取费用统计（与单key查询一致）
+        const costStats = await redis.getCostStats(apiId)
 
         return {
           apiId,
@@ -572,8 +506,15 @@ router.post('/api/batch-stats', async (req, res) => {
           isActive: true,
           createdAt: keyData.createdAt,
           usage: usage.total || {},
-          dailyStats,
-          monthlyStats
+          dailyStats: {
+            ...usage.daily,
+            cost: costStats.daily
+          },
+          monthlyStats: {
+            ...usage.monthly,
+            cost: costStats.monthly
+          },
+          totalCost: costStats.total
         }
       })
     )
@@ -594,23 +535,26 @@ router.post('/api/batch-stats', async (req, res) => {
           aggregated.usage.allTokens += stats.usage.allTokens || 0
         }
 
+        // 聚合总费用
+        aggregated.usage.cost += stats.totalCost || 0
+
         // 聚合今日使用量
-        aggregated.dailyUsage.requests += stats.dailyStats.requests
-        aggregated.dailyUsage.inputTokens += stats.dailyStats.inputTokens
-        aggregated.dailyUsage.outputTokens += stats.dailyStats.outputTokens
-        aggregated.dailyUsage.cacheCreateTokens += stats.dailyStats.cacheCreateTokens
-        aggregated.dailyUsage.cacheReadTokens += stats.dailyStats.cacheReadTokens
-        aggregated.dailyUsage.allTokens += stats.dailyStats.allTokens
-        aggregated.dailyUsage.cost += stats.dailyStats.cost
+        aggregated.dailyUsage.requests += stats.dailyStats.requests || 0
+        aggregated.dailyUsage.inputTokens += stats.dailyStats.inputTokens || 0
+        aggregated.dailyUsage.outputTokens += stats.dailyStats.outputTokens || 0
+        aggregated.dailyUsage.cacheCreateTokens += stats.dailyStats.cacheCreateTokens || 0
+        aggregated.dailyUsage.cacheReadTokens += stats.dailyStats.cacheReadTokens || 0
+        aggregated.dailyUsage.allTokens += stats.dailyStats.allTokens || 0
+        aggregated.dailyUsage.cost += stats.dailyStats.cost || 0
 
         // 聚合本月使用量
-        aggregated.monthlyUsage.requests += stats.monthlyStats.requests
-        aggregated.monthlyUsage.inputTokens += stats.monthlyStats.inputTokens
-        aggregated.monthlyUsage.outputTokens += stats.monthlyStats.outputTokens
-        aggregated.monthlyUsage.cacheCreateTokens += stats.monthlyStats.cacheCreateTokens
-        aggregated.monthlyUsage.cacheReadTokens += stats.monthlyStats.cacheReadTokens
-        aggregated.monthlyUsage.allTokens += stats.monthlyStats.allTokens
-        aggregated.monthlyUsage.cost += stats.monthlyStats.cost
+        aggregated.monthlyUsage.requests += stats.monthlyStats.requests || 0
+        aggregated.monthlyUsage.inputTokens += stats.monthlyStats.inputTokens || 0
+        aggregated.monthlyUsage.outputTokens += stats.monthlyStats.outputTokens || 0
+        aggregated.monthlyUsage.cacheCreateTokens += stats.monthlyStats.cacheCreateTokens || 0
+        aggregated.monthlyUsage.cacheReadTokens += stats.monthlyStats.cacheReadTokens || 0
+        aggregated.monthlyUsage.allTokens += stats.monthlyStats.allTokens || 0
+        aggregated.monthlyUsage.cost += stats.monthlyStats.cost || 0
 
         // 添加到个体统计
         individualStats.push({
@@ -622,23 +566,8 @@ router.post('/api/batch-stats', async (req, res) => {
       }
     })
 
-    aggregated.totalKeys = apiIds.length
-
-    // 计算总费用
-    const totalUsageData = {
-      input_tokens: aggregated.usage.inputTokens,
-      output_tokens: aggregated.usage.outputTokens,
-      cache_creation_input_tokens: aggregated.usage.cacheCreateTokens,
-      cache_read_input_tokens: aggregated.usage.cacheReadTokens
-    }
-    const totalCostResult = CostCalculator.calculateCost(
-      totalUsageData,
-      'claude-3-5-sonnet-20241022'
-    )
-    aggregated.usage.cost = totalCostResult.costs.total
-    aggregated.usage.formattedCost = totalCostResult.formatted.total
-
-    // 格式化每日和每月费用
+    // 格式化费用显示
+    aggregated.usage.formattedCost = CostCalculator.formatCost(aggregated.usage.cost)
     aggregated.dailyUsage.formattedCost = CostCalculator.formatCost(aggregated.dailyUsage.cost)
     aggregated.monthlyUsage.formattedCost = CostCalculator.formatCost(aggregated.monthlyUsage.cost)
 
diff --git a/web/admin-spa/src/components/apistats/AggregatedStatsCard.vue b/web/admin-spa/src/components/apistats/AggregatedStatsCard.vue
new file mode 100644
index 00000000..deb6ff04
--- /dev/null
+++ b/web/admin-spa/src/components/apistats/AggregatedStatsCard.vue
@@ -0,0 +1,183 @@
+<template>
+  <div class="card h-full p-4 md:p-6">
+    <h3
+      class="mb-3 flex flex-col text-lg font-bold text-gray-900 dark:text-gray-100 sm:flex-row sm:items-center md:mb-4 md:text-xl"
+    >
+      <span class="flex items-center">
+        <i class="fas fa-chart-pie mr-2 text-sm text-orange-500 md:mr-3 md:text-base" />
+        使用占比
+      </span>
+      <span class="text-xs font-normal text-gray-600 dark:text-gray-400 sm:ml-2 md:text-sm"
+        >({{ statsPeriod === 'daily' ? '今日' : '本月' }})</span
+      >
+    </h3>
+
+    <div v-if="aggregatedStats && individualStats.length > 0" class="space-y-2 md:space-y-3">
+      <!-- 各Key使用占比列表 -->
+      <div v-for="(stat, index) in topKeys" :key="stat.apiId" class="relative">
+        <div class="mb-1 flex items-center justify-between text-sm">
+          <span class="truncate font-medium text-gray-700 dark:text-gray-300">
+            {{ stat.name || `Key ${index + 1}` }}
+          </span>
+          <span class="text-xs text-gray-600 dark:text-gray-400">
+            {{ calculatePercentage(stat) }}%
+          </span>
+        </div>
+        <div class="h-2 w-full rounded-full bg-gray-200 dark:bg-gray-700">
+          <div
+            class="h-2 rounded-full transition-all duration-300"
+            :class="getProgressColor(index)"
+            :style="{ width: calculatePercentage(stat) + '%' }"
+          />
+        </div>
+        <div
+          class="mt-1 flex items-center justify-between text-xs text-gray-500 dark:text-gray-400"
+        >
+          <span>{{ formatNumber(stat.usage?.requests || 0) }}次</span>
+          <span>{{ stat.usage?.formattedCost || '$0.00' }}</span>
+        </div>
+      </div>
+
+      <!-- 其他Keys汇总 -->
+      <div v-if="otherKeysCount > 0" class="border-t border-gray-200 pt-2 dark:border-gray-700">
+        <div class="flex items-center justify-between text-sm text-gray-600 dark:text-gray-400">
+          <span>其他 {{ otherKeysCount }} 个Keys</span>
+          <span>{{ otherPercentage }}%</span>
+        </div>
+      </div>
+    </div>
+
+    <!-- 单个Key模式提示 -->
+    <div
+      v-else-if="!multiKeyMode"
+      class="flex h-32 items-center justify-center text-sm text-gray-500 dark:text-gray-400"
+    >
+      <div class="text-center">
+        <i class="fas fa-chart-pie mb-2 text-2xl" />
+        <p>使用占比仅在多Key查询时显示</p>
+      </div>
+    </div>
+
+    <div
+      v-else
+      class="flex h-32 items-center justify-center text-sm text-gray-500 dark:text-gray-400"
+    >
+      <i class="fas fa-chart-pie mr-2" />
+      暂无数据
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { computed } from 'vue'
+import { storeToRefs } from 'pinia'
+import { useApiStatsStore } from '@/stores/apistats'
+
+const apiStatsStore = useApiStatsStore()
+const { aggregatedStats, individualStats, statsPeriod, multiKeyMode } = storeToRefs(apiStatsStore)
+
+// 获取TOP Keys（最多显示5个）
+const topKeys = computed(() => {
+  if (!individualStats.value || individualStats.value.length === 0) return []
+
+  return [...individualStats.value]
+    .sort((a, b) => (b.usage?.cost || 0) - (a.usage?.cost || 0))
+    .slice(0, 5)
+})
+
+// 计算其他Keys数量
+const otherKeysCount = computed(() => {
+  if (!individualStats.value) return 0
+  return Math.max(0, individualStats.value.length - 5)
+})
+
+// 计算其他Keys的占比
+const otherPercentage = computed(() => {
+  if (!individualStats.value || !aggregatedStats.value) return 0
+
+  const topKeysCost = topKeys.value.reduce((sum, stat) => sum + (stat.usage?.cost || 0), 0)
+  const totalCost =
+    statsPeriod.value === 'daily'
+      ? aggregatedStats.value.dailyUsage?.cost || 0
+      : aggregatedStats.value.monthlyUsage?.cost || 0
+
+  if (totalCost === 0) return 0
+  const otherCost = totalCost - topKeysCost
+  return Math.max(0, Math.round((otherCost / totalCost) * 100))
+})
+
+// 计算单个Key的百分比
+const calculatePercentage = (stat) => {
+  if (!aggregatedStats.value) return 0
+
+  const totalCost =
+    statsPeriod.value === 'daily'
+      ? aggregatedStats.value.dailyUsage?.cost || 0
+      : aggregatedStats.value.monthlyUsage?.cost || 0
+
+  if (totalCost === 0) return 0
+  const percentage = ((stat.usage?.cost || 0) / totalCost) * 100
+  return Math.round(percentage)
+}
+
+// 获取进度条颜色
+const getProgressColor = (index) => {
+  const colors = ['bg-blue-500', 'bg-green-500', 'bg-purple-500', 'bg-yellow-500', 'bg-pink-500']
+  return colors[index] || 'bg-gray-400'
+}
+
+// 格式化数字
+const formatNumber = (num) => {
+  if (typeof num !== 'number') {
+    num = parseInt(num) || 0
+  }
+
+  if (num === 0) return '0'
+
+  if (num >= 1000000) {
+    return (num / 1000000).toFixed(1) + 'M'
+  } else if (num >= 1000) {
+    return (num / 1000).toFixed(1) + 'K'
+  } else {
+    return num.toLocaleString()
+  }
+}
+</script>
+
+<style scoped>
+/* 卡片样式 - 使用CSS变量 */
+.card {
+  background: var(--surface-color);
+  border-radius: 16px;
+  border: 1px solid var(--border-color);
+  box-shadow:
+    0 10px 15px -3px rgba(0, 0, 0, 0.1),
+    0 4px 6px -2px rgba(0, 0, 0, 0.05);
+  overflow: hidden;
+  position: relative;
+  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+}
+
+.card::before {
+  content: '';
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  height: 1px;
+  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
+}
+
+.card:hover {
+  transform: translateY(-2px);
+  box-shadow:
+    0 20px 25px -5px rgba(0, 0, 0, 0.15),
+    0 10px 10px -5px rgba(0, 0, 0, 0.08);
+}
+
+:global(.dark) .card:hover {
+  box-shadow:
+    0 20px 25px -5px rgba(0, 0, 0, 0.5),
+    0 10px 10px -5px rgba(0, 0, 0, 0.35);
+}
+</style>
diff --git a/web/admin-spa/src/views/ApiStatsView.vue b/web/admin-spa/src/views/ApiStatsView.vue
index 0de3ed13..3d4a4cf9 100644
--- a/web/admin-spa/src/views/ApiStatsView.vue
+++ b/web/admin-spa/src/views/ApiStatsView.vue
@@ -123,7 +123,10 @@
           <!-- Token 分布和限制配置 -->
           <div class="mb-6 grid grid-cols-1 gap-4 md:mb-8 md:gap-6 lg:grid-cols-2">
             <TokenDistribution />
-            <LimitConfig />
+            <!-- 单key模式下显示限制配置 -->
+            <LimitConfig v-if="!multiKeyMode" />
+            <!-- 多key模式下显示聚合统计卡片，填充右侧空白 -->
+            <AggregatedStatsCard v-if="multiKeyMode" />
           </div>
 
           <!-- 模型使用统计 -->
@@ -153,6 +156,7 @@ import ApiKeyInput from '@/components/apistats/ApiKeyInput.vue'
 import StatsOverview from '@/components/apistats/StatsOverview.vue'
 import TokenDistribution from '@/components/apistats/TokenDistribution.vue'
 import LimitConfig from '@/components/apistats/LimitConfig.vue'
+import AggregatedStatsCard from '@/components/apistats/AggregatedStatsCard.vue'
 import ModelUsageStats from '@/components/apistats/ModelUsageStats.vue'
 import TutorialView from './TutorialView.vue'
 
@@ -175,7 +179,8 @@ const {
   error,
   statsPeriod,
   statsData,
-  oemSettings
+  oemSettings,
+  multiKeyMode
 } = storeToRefs(apiStatsStore)
 
 const { queryStats, switchPeriod, loadStatsWithApiId, loadOemSettings, reset } = apiStatsStore