diff --git a/package-lock.json b/package-lock.json
index 551062b7..c6dccd11 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -44,6 +44,7 @@
         "jest": "^29.7.0",
         "nodemon": "^3.0.1",
         "prettier": "^3.6.2",
+        "prettier-plugin-tailwindcss": "^0.7.2",
         "supertest": "^6.3.3"
       },
       "engines": {
@@ -7605,6 +7606,85 @@
         "node": ">=6.0.0"
       }
     },
+    "node_modules/prettier-plugin-tailwindcss": {
+      "version": "0.7.2",
+      "resolved": "https://registry.npmjs.org/prettier-plugin-tailwindcss/-/prettier-plugin-tailwindcss-0.7.2.tgz",
+      "integrity": "sha512-LkphyK3Fw+q2HdMOoiEHWf93fNtYJwfamoKPl7UwtjFQdei/iIBoX11G6j706FzN3ymX9mPVi97qIY8328vdnA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=20.19"
+      },
+      "peerDependencies": {
+        "@ianvs/prettier-plugin-sort-imports": "*",
+        "@prettier/plugin-hermes": "*",
+        "@prettier/plugin-oxc": "*",
+        "@prettier/plugin-pug": "*",
+        "@shopify/prettier-plugin-liquid": "*",
+        "@trivago/prettier-plugin-sort-imports": "*",
+        "@zackad/prettier-plugin-twig": "*",
+        "prettier": "^3.0",
+        "prettier-plugin-astro": "*",
+        "prettier-plugin-css-order": "*",
+        "prettier-plugin-jsdoc": "*",
+        "prettier-plugin-marko": "*",
+        "prettier-plugin-multiline-arrays": "*",
+        "prettier-plugin-organize-attributes": "*",
+        "prettier-plugin-organize-imports": "*",
+        "prettier-plugin-sort-imports": "*",
+        "prettier-plugin-svelte": "*"
+      },
+      "peerDependenciesMeta": {
+        "@ianvs/prettier-plugin-sort-imports": {
+          "optional": true
+        },
+        "@prettier/plugin-hermes": {
+          "optional": true
+        },
+        "@prettier/plugin-oxc": {
+          "optional": true
+        },
+        "@prettier/plugin-pug": {
+          "optional": true
+        },
+        "@shopify/prettier-plugin-liquid": {
+          "optional": true
+        },
+        "@trivago/prettier-plugin-sort-imports": {
+          "optional": true
+        },
+        "@zackad/prettier-plugin-twig": {
+          "optional": true
+        },
+        "prettier-plugin-astro": {
+          "optional": true
+        },
+        "prettier-plugin-css-order": {
+          "optional": true
+        },
+        "prettier-plugin-jsdoc": {
+          "optional": true
+        },
+        "prettier-plugin-marko": {
+          "optional": true
+        },
+        "prettier-plugin-multiline-arrays": {
+          "optional": true
+        },
+        "prettier-plugin-organize-attributes": {
+          "optional": true
+        },
+        "prettier-plugin-organize-imports": {
+          "optional": true
+        },
+        "prettier-plugin-sort-imports": {
+          "optional": true
+        },
+        "prettier-plugin-svelte": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/pretty-format": {
       "version": "29.7.0",
       "resolved": "https://registry.npmmirror.com/pretty-format/-/pretty-format-29.7.0.tgz",
diff --git a/package.json b/package.json
index 72ea4720..2b7ffa25 100644
--- a/package.json
+++ b/package.json
@@ -83,6 +83,7 @@
     "jest": "^29.7.0",
     "nodemon": "^3.0.1",
     "prettier": "^3.6.2",
+    "prettier-plugin-tailwindcss": "^0.7.2",
     "supertest": "^6.3.3"
   },
   "engines": {
diff --git a/src/routes/admin/usageStats.js b/src/routes/admin/usageStats.js
index 18d6b436..bf35f8a0 100644
--- a/src/routes/admin/usageStats.js
+++ b/src/routes/admin/usageStats.js
@@ -16,6 +16,65 @@ const pricingService = require('../../services/pricingService')
 
 const router = express.Router()
 
+const accountTypeNames = {
+  claude: 'Claude官方',
+  'claude-console': 'Claude Console',
+  ccr: 'Claude Console Relay',
+  openai: 'OpenAI',
+  'openai-responses': 'OpenAI Responses',
+  gemini: 'Gemini',
+  'gemini-api': 'Gemini API',
+  droid: 'Droid',
+  unknown: '未知渠道'
+}
+
+const resolveAccountByPlatform = async (accountId, platform) => {
+  const serviceMap = {
+    claude: claudeAccountService,
+    'claude-console': claudeConsoleAccountService,
+    gemini: geminiAccountService,
+    'gemini-api': geminiApiAccountService,
+    openai: openaiAccountService,
+    'openai-responses': openaiResponsesAccountService,
+    droid: droidAccountService,
+    ccr: ccrAccountService
+  }
+
+  if (platform && serviceMap[platform]) {
+    try {
+      const account = await serviceMap[platform].getAccount(accountId)
+      if (account) {
+        return { ...account, platform }
+      }
+    } catch (error) {
+      logger.debug(`⚠️ Failed to get account ${accountId} from ${platform}: ${error.message}`)
+    }
+  }
+
+  for (const [platformName, service] of Object.entries(serviceMap)) {
+    try {
+      const account = await service.getAccount(accountId)
+      if (account) {
+        return { ...account, platform: platformName }
+      }
+    } catch (error) {
+      logger.debug(`⚠️ Failed to get account ${accountId} from ${platformName}: ${error.message}`)
+    }
+  }
+
+  return null
+}
+
+const getApiKeyName = async (keyId) => {
+  try {
+    const keyData = await redis.getApiKey(keyId)
+    return keyData?.name || keyData?.label || keyId
+  } catch (error) {
+    logger.debug(`⚠️ Failed to get API key name for ${keyId}: ${error.message}`)
+    return keyId
+  }
+}
+
 // 📊 账户使用统计
 
 // 获取所有账户的使用统计
@@ -1861,18 +1920,6 @@ router.get('/api-keys/:keyId/usage-records', authenticateAdmin, async (req, res)
 
     const rawRecords = await redis.getUsageRecords(keyId, 5000)
 
-    const accountTypeNames = {
-      claude: 'Claude官方',
-      'claude-console': 'Claude Console',
-      ccr: 'Claude Console Relay',
-      openai: 'OpenAI',
-      'openai-responses': 'OpenAI Responses',
-      gemini: 'Gemini',
-      'gemini-api': 'Gemini API',
-      droid: 'Droid',
-      unknown: '未知渠道'
-    }
-
     const accountServices = [
       { type: 'claude', getter: (id) => claudeAccountService.getAccount(id) },
       { type: 'claude-console', getter: (id) => claudeConsoleAccountService.getAccount(id) },
@@ -1895,10 +1942,15 @@ router.get('/api-keys/:keyId/usage-records', authenticateAdmin, async (req, res)
         return accountCache.get(cacheKey)
       }
 
-      const servicesToTry = type
+      let servicesToTry = type
         ? accountServices.filter((svc) => svc.type === type)
         : accountServices
 
+      // 若渠道改名或传入未知类型，回退尝试全量服务，避免漏解析历史账号
+      if (!servicesToTry.length) {
+        servicesToTry = accountServices
+      }
+
       for (const service of servicesToTry) {
         try {
           const account = await service.getter(id)
@@ -2008,12 +2060,14 @@ router.get('/api-keys/:keyId/usage-records', authenticateAdmin, async (req, res)
       }
 
       if (record.accountId) {
-        const key = `${record.accountId}:${record.accountType || 'unknown'}`
-        if (!accountOptionMap.has(key)) {
-          accountOptionMap.set(key, {
+        const normalizedType = record.accountType || 'unknown'
+        if (!accountOptionMap.has(record.accountId)) {
+          accountOptionMap.set(record.accountId, {
             id: record.accountId,
-            accountType: record.accountType || 'unknown'
+            accountTypes: new Set([normalizedType])
           })
+        } else {
+          accountOptionMap.get(record.accountId).accountTypes.add(normalizedType)
         }
       }
 
@@ -2087,13 +2141,33 @@ router.get('/api-keys/:keyId/usage-records', authenticateAdmin, async (req, res)
 
     const accountOptions = []
     for (const option of accountOptionMap.values()) {
-      const info = await resolveAccountInfo(option.id, option.accountType)
-      const resolvedType = info?.type || option.accountType || 'unknown'
+      const types = Array.from(option.accountTypes || [])
+
+      // 优先按历史出现的 accountType 解析，若失败则回退全量解析
+      let resolvedInfo = null
+      for (const type of types) {
+        resolvedInfo = await resolveAccountInfo(option.id, type)
+        if (resolvedInfo && resolvedInfo.name) {
+          break
+        }
+      }
+      if (!resolvedInfo) {
+        resolvedInfo = await resolveAccountInfo(option.id)
+      }
+
+      const chosenType = resolvedInfo?.type || types[0] || 'unknown'
+      const chosenTypeName = accountTypeNames[chosenType] || '未知渠道'
+
+      if (!resolvedInfo) {
+        logger.warn(`⚠️ 保留无法解析的账户筛选项: ${option.id}, types=${types.join(',') || 'none'}`)
+      }
+
       accountOptions.push({
         id: option.id,
-        name: info?.name || option.id,
-        accountType: resolvedType,
-        accountTypeName: accountTypeNames[resolvedType] || '未知渠道'
+        name: resolvedInfo?.name || option.id,
+        accountType: chosenType,
+        accountTypeName: chosenTypeName,
+        rawTypes: types
       })
     }
 
@@ -2146,4 +2220,287 @@ router.get('/api-keys/:keyId/usage-records', authenticateAdmin, async (req, res)
   }
 })
 
+// 获取账户的请求记录时间线
+router.get('/accounts/:accountId/usage-records', authenticateAdmin, async (req, res) => {
+  try {
+    const { accountId } = req.params
+    const {
+      platform,
+      page = 1,
+      pageSize = 50,
+      startDate,
+      endDate,
+      model,
+      apiKeyId,
+      sortOrder = 'desc'
+    } = req.query
+
+    const pageNumber = Math.max(parseInt(page, 10) || 1, 1)
+    const pageSizeNumber = Math.min(Math.max(parseInt(pageSize, 10) || 50, 1), 200)
+    const normalizedSortOrder = sortOrder === 'asc' ? 'asc' : 'desc'
+
+    const startTime = startDate ? new Date(startDate) : null
+    const endTime = endDate ? new Date(endDate) : null
+
+    if (
+      (startDate && Number.isNaN(startTime?.getTime())) ||
+      (endDate && Number.isNaN(endTime?.getTime()))
+    ) {
+      return res.status(400).json({ success: false, error: 'Invalid date range' })
+    }
+
+    if (startTime && endTime && startTime > endTime) {
+      return res
+        .status(400)
+        .json({ success: false, error: 'Start date must be before or equal to end date' })
+    }
+
+    const accountInfo = await resolveAccountByPlatform(accountId, platform)
+    if (!accountInfo) {
+      return res.status(404).json({ success: false, error: 'Account not found' })
+    }
+
+    const allApiKeys = await apiKeyService.getAllApiKeys(true)
+    const apiKeyNameCache = new Map(
+      allApiKeys.map((key) => [key.id, key.name || key.label || key.id])
+    )
+
+    let keysToUse = apiKeyId ? allApiKeys.filter((key) => key.id === apiKeyId) : allApiKeys
+    if (apiKeyId && keysToUse.length === 0) {
+      keysToUse = [{ id: apiKeyId }]
+    }
+
+    const toUsageObject = (record) => ({
+      input_tokens: record.inputTokens || 0,
+      output_tokens: record.outputTokens || 0,
+      cache_creation_input_tokens: record.cacheCreateTokens || 0,
+      cache_read_input_tokens: record.cacheReadTokens || 0,
+      cache_creation: record.cacheCreation || record.cache_creation || null
+    })
+
+    const withinRange = (record) => {
+      if (!record.timestamp) {
+        return false
+      }
+      const ts = new Date(record.timestamp)
+      if (Number.isNaN(ts.getTime())) {
+        return false
+      }
+      if (startTime && ts < startTime) {
+        return false
+      }
+      if (endTime && ts > endTime) {
+        return false
+      }
+      return true
+    }
+
+    const filteredRecords = []
+    const modelSet = new Set()
+    const apiKeyOptionMap = new Map()
+    let earliestTimestamp = null
+    let latestTimestamp = null
+
+    const batchSize = 10
+    for (let i = 0; i < keysToUse.length; i += batchSize) {
+      const batch = keysToUse.slice(i, i + batchSize)
+      const batchResults = await Promise.all(
+        batch.map(async (key) => {
+          try {
+            const records = await redis.getUsageRecords(key.id, 5000)
+            return { keyId: key.id, records: records || [] }
+          } catch (error) {
+            logger.debug(`⚠️ Failed to get usage records for key ${key.id}: ${error.message}`)
+            return { keyId: key.id, records: [] }
+          }
+        })
+      )
+
+      for (const { keyId, records } of batchResults) {
+        const apiKeyName = apiKeyNameCache.get(keyId) || (await getApiKeyName(keyId))
+        for (const record of records) {
+          if (record.accountId !== accountId) {
+            continue
+          }
+          if (!withinRange(record)) {
+            continue
+          }
+          if (model && record.model !== model) {
+            continue
+          }
+
+          const accountType = record.accountType || accountInfo.platform || 'unknown'
+          const normalizedModel = record.model || 'unknown'
+
+          modelSet.add(normalizedModel)
+          apiKeyOptionMap.set(keyId, { id: keyId, name: apiKeyName })
+
+          if (record.timestamp) {
+            const ts = new Date(record.timestamp)
+            if (!Number.isNaN(ts.getTime())) {
+              if (!earliestTimestamp || ts < earliestTimestamp) {
+                earliestTimestamp = ts
+              }
+              if (!latestTimestamp || ts > latestTimestamp) {
+                latestTimestamp = ts
+              }
+            }
+          }
+
+          filteredRecords.push({
+            ...record,
+            model: normalizedModel,
+            accountType,
+            apiKeyId: keyId,
+            apiKeyName
+          })
+        }
+      }
+    }
+
+    filteredRecords.sort((a, b) => {
+      const aTime = new Date(a.timestamp).getTime()
+      const bTime = new Date(b.timestamp).getTime()
+      if (Number.isNaN(aTime) || Number.isNaN(bTime)) {
+        return 0
+      }
+      return normalizedSortOrder === 'asc' ? aTime - bTime : bTime - aTime
+    })
+
+    const summary = {
+      totalRequests: 0,
+      inputTokens: 0,
+      outputTokens: 0,
+      cacheCreateTokens: 0,
+      cacheReadTokens: 0,
+      totalTokens: 0,
+      totalCost: 0
+    }
+
+    for (const record of filteredRecords) {
+      const usage = toUsageObject(record)
+      const costData = CostCalculator.calculateCost(usage, record.model || 'unknown')
+      const computedCost =
+        typeof record.cost === 'number' ? record.cost : costData?.costs?.total || 0
+      const totalTokens =
+        record.totalTokens ||
+        usage.input_tokens +
+          usage.output_tokens +
+          usage.cache_creation_input_tokens +
+          usage.cache_read_input_tokens
+
+      summary.totalRequests += 1
+      summary.inputTokens += usage.input_tokens
+      summary.outputTokens += usage.output_tokens
+      summary.cacheCreateTokens += usage.cache_creation_input_tokens
+      summary.cacheReadTokens += usage.cache_read_input_tokens
+      summary.totalTokens += totalTokens
+      summary.totalCost += computedCost
+    }
+
+    const totalRecords = filteredRecords.length
+    const totalPages = totalRecords > 0 ? Math.ceil(totalRecords / pageSizeNumber) : 0
+    const safePage = totalPages > 0 ? Math.min(pageNumber, totalPages) : 1
+    const startIndex = (safePage - 1) * pageSizeNumber
+    const pageRecords =
+      totalRecords === 0 ? [] : filteredRecords.slice(startIndex, startIndex + pageSizeNumber)
+
+    const enrichedRecords = []
+    for (const record of pageRecords) {
+      const usage = toUsageObject(record)
+      const costData = CostCalculator.calculateCost(usage, record.model || 'unknown')
+      const computedCost =
+        typeof record.cost === 'number' ? record.cost : costData?.costs?.total || 0
+      const totalTokens =
+        record.totalTokens ||
+        usage.input_tokens +
+          usage.output_tokens +
+          usage.cache_creation_input_tokens +
+          usage.cache_read_input_tokens
+
+      enrichedRecords.push({
+        timestamp: record.timestamp,
+        model: record.model || 'unknown',
+        apiKeyId: record.apiKeyId,
+        apiKeyName: record.apiKeyName,
+        accountId,
+        accountName: accountInfo.name || accountInfo.email || accountId,
+        accountType: record.accountType,
+        accountTypeName: accountTypeNames[record.accountType] || '未知渠道',
+        inputTokens: usage.input_tokens,
+        outputTokens: usage.output_tokens,
+        cacheCreateTokens: usage.cache_creation_input_tokens,
+        cacheReadTokens: usage.cache_read_input_tokens,
+        ephemeral5mTokens: record.ephemeral5mTokens || 0,
+        ephemeral1hTokens: record.ephemeral1hTokens || 0,
+        totalTokens,
+        isLongContextRequest: record.isLongContext || record.isLongContextRequest || false,
+        cost: Number(computedCost.toFixed(6)),
+        costFormatted:
+          record.costFormatted ||
+          costData?.formatted?.total ||
+          CostCalculator.formatCost(computedCost),
+        costBreakdown: record.costBreakdown || {
+          input: costData?.costs?.input || 0,
+          output: costData?.costs?.output || 0,
+          cacheCreate: costData?.costs?.cacheWrite || 0,
+          cacheRead: costData?.costs?.cacheRead || 0,
+          total: costData?.costs?.total || computedCost
+        },
+        responseTime: record.responseTime || null
+      })
+    }
+
+    return res.json({
+      success: true,
+      data: {
+        records: enrichedRecords,
+        pagination: {
+          currentPage: safePage,
+          pageSize: pageSizeNumber,
+          totalRecords,
+          totalPages,
+          hasNextPage: totalPages > 0 && safePage < totalPages,
+          hasPreviousPage: totalPages > 0 && safePage > 1
+        },
+        filters: {
+          startDate: startTime ? startTime.toISOString() : null,
+          endDate: endTime ? endTime.toISOString() : null,
+          model: model || null,
+          apiKeyId: apiKeyId || null,
+          platform: accountInfo.platform,
+          sortOrder: normalizedSortOrder
+        },
+        accountInfo: {
+          id: accountId,
+          name: accountInfo.name || accountInfo.email || accountId,
+          platform: accountInfo.platform || platform || 'unknown',
+          status: accountInfo.status ?? accountInfo.isActive ?? null
+        },
+        summary: {
+          ...summary,
+          totalCost: Number(summary.totalCost.toFixed(6)),
+          avgCost:
+            summary.totalRequests > 0
+              ? Number((summary.totalCost / summary.totalRequests).toFixed(6))
+              : 0
+        },
+        availableFilters: {
+          models: Array.from(modelSet),
+          apiKeys: Array.from(apiKeyOptionMap.values()),
+          dateRange: {
+            earliest: earliestTimestamp ? earliestTimestamp.toISOString() : null,
+            latest: latestTimestamp ? latestTimestamp.toISOString() : null
+          }
+        }
+      }
+    })
+  } catch (error) {
+    logger.error('❌ Failed to get account usage records:', error)
+    return res
+      .status(500)
+      .json({ error: 'Failed to get account usage records', message: error.message })
+  }
+})
+
 module.exports = router
diff --git a/web/admin-spa/src/components/accounts/AccountUsageDetailModal.vue b/web/admin-spa/src/components/accounts/AccountUsageDetailModal.vue
index f9b6083c..09da703b 100644
--- a/web/admin-spa/src/components/accounts/AccountUsageDetailModal.vue
+++ b/web/admin-spa/src/components/accounts/AccountUsageDetailModal.vue
@@ -44,12 +44,20 @@
               </p>
             </div>
           </div>
-          <button
-            class="flex h-10 w-10 items-center justify-center rounded-full bg-gray-100 text-gray-500 transition hover:bg-gray-200 hover:text-gray-700 dark:bg-gray-800 dark:text-gray-400 dark:hover:bg-gray-700 dark:hover:text-gray-200"
-            @click="handleClose"
-          >
-            <i class="fas fa-times" />
-          </button>
+          <div class="flex items-center gap-2">
+            <button
+              class="flex items-center gap-2 rounded-full bg-purple-100 px-3 py-2 text-xs font-semibold text-purple-700 transition hover:bg-purple-200 dark:bg-purple-500/10 dark:text-purple-200 dark:hover:bg-purple-500/20"
+              @click="goTimeline"
+            >
+              <i class="fas fa-clock" /> 请求时间线
+            </button>
+            <button
+              class="flex h-10 w-10 items-center justify-center rounded-full bg-gray-100 text-gray-500 transition hover:bg-gray-200 hover:text-gray-700 dark:bg-gray-800 dark:text-gray-400 dark:hover:bg-gray-700 dark:hover:text-gray-200"
+              @click="handleClose"
+            >
+              <i class="fas fa-times" />
+            </button>
+          </div>
         </div>
 
         <!-- 内容区域 -->
@@ -325,6 +333,7 @@
 
 <script setup>
 import { computed, nextTick, onUnmounted, ref, watch } from 'vue'
+import { useRouter } from 'vue-router'
 import { storeToRefs } from 'pinia'
 import Chart from 'chart.js/auto'
 import { useThemeStore } from '@/stores/theme'
@@ -343,6 +352,7 @@ const emit = defineEmits(['close'])
 
 const themeStore = useThemeStore()
 const { isDarkMode } = storeToRefs(themeStore)
+const router = useRouter()
 
 const chartCanvas = ref(null)
 let chartInstance = null
@@ -579,6 +589,14 @@ const handleClose = () => {
   emit('close')
 }
 
+const goTimeline = () => {
+  if (!props.account?.id) return
+  router.push({
+    path: `/accounts/${props.account.id}/usage-records`,
+    query: { platform: props.account.platform || props.account.accountType }
+  })
+}
+
 watch(
   () => props.show,
   (visible) => {
diff --git a/web/admin-spa/src/components/common/ActionDropdown.vue b/web/admin-spa/src/components/common/ActionDropdown.vue
index 64ba3423..be7afc46 100644
--- a/web/admin-spa/src/components/common/ActionDropdown.vue
+++ b/web/admin-spa/src/components/common/ActionDropdown.vue
@@ -77,7 +77,21 @@ const getActionClass = (action) => {
   return colorMap[action.color] || colorMap.gray
 }
 
+const instanceId = Symbol('action-dropdown')
+const handleGlobalOpen = (event) => {
+  if (event?.detail?.id !== instanceId) {
+    closeDropdown()
+  }
+}
+
 const toggleDropdown = async () => {
+  if (!isOpen.value) {
+    window.dispatchEvent(
+      new CustomEvent('action-dropdown-open', {
+        detail: { id: instanceId }
+      })
+    )
+  }
   isOpen.value = !isOpen.value
   if (isOpen.value) {
     await nextTick()
@@ -102,7 +116,8 @@ const updateDropdownPosition = () => {
 
   const trigger = triggerRef.value.getBoundingClientRect()
   const dropdownHeight = 200 // 预估高度
-  const dropdownWidth = 160 // 预估宽度
+  const dropdownWidth = 180 // 预估宽度，略大以减少遮挡
+  const gap = 8
   const spaceBelow = window.innerHeight - trigger.bottom
   const spaceAbove = trigger.top
   const spaceRight = window.innerWidth - trigger.right
@@ -112,16 +127,16 @@ const updateDropdownPosition = () => {
 
   // 计算垂直位置
   if (spaceBelow >= dropdownHeight || spaceBelow >= spaceAbove) {
-    top = trigger.bottom + 4
+    top = trigger.bottom + gap
   } else {
-    top = trigger.top - dropdownHeight - 4
+    top = trigger.top - dropdownHeight - gap
   }
 
-  // 计算水平位置 - 优先显示在左侧（因为按钮在右侧固定列）
-  if (spaceLeft >= dropdownWidth) {
-    left = trigger.left - dropdownWidth + trigger.width
-  } else if (spaceRight >= dropdownWidth) {
-    left = trigger.left
+  // 计算水平位置 - 优先向右展开，避免遮挡左侧内容
+  if (spaceRight >= dropdownWidth + gap) {
+    left = trigger.right + gap
+  } else if (spaceLeft >= dropdownWidth + gap) {
+    left = trigger.left - dropdownWidth - gap + trigger.width
   } else {
     left = window.innerWidth - dropdownWidth - 10
   }
@@ -164,11 +179,13 @@ onMounted(() => {
   window.addEventListener('scroll', handleScroll, true)
   window.addEventListener('resize', handleResize)
   document.addEventListener('click', handleClickOutside)
+  window.addEventListener('action-dropdown-open', handleGlobalOpen)
 })
 
 onBeforeUnmount(() => {
   window.removeEventListener('scroll', handleScroll, true)
   window.removeEventListener('resize', handleResize)
   document.removeEventListener('click', handleClickOutside)
+  window.removeEventListener('action-dropdown-open', handleGlobalOpen)
 })
 </script>
diff --git a/web/admin-spa/src/router/index.js b/web/admin-spa/src/router/index.js
index 3375c906..feb67aa1 100644
--- a/web/admin-spa/src/router/index.js
+++ b/web/admin-spa/src/router/index.js
@@ -13,6 +13,7 @@ const DashboardView = () => import('@/views/DashboardView.vue')
 const ApiKeysView = () => import('@/views/ApiKeysView.vue')
 const ApiKeyUsageRecordsView = () => import('@/views/ApiKeyUsageRecordsView.vue')
 const AccountsView = () => import('@/views/AccountsView.vue')
+const AccountUsageRecordsView = () => import('@/views/AccountUsageRecordsView.vue')
 const TutorialView = () => import('@/views/TutorialView.vue')
 const SettingsView = () => import('@/views/SettingsView.vue')
 const ApiStatsView = () => import('@/views/ApiStatsView.vue')
@@ -110,6 +111,18 @@ const routes = [
       }
     ]
   },
+  {
+    path: '/accounts/:accountId/usage-records',
+    component: MainLayout,
+    meta: { requiresAuth: true },
+    children: [
+      {
+        path: '',
+        name: 'AccountUsageRecords',
+        component: AccountUsageRecordsView
+      }
+    ]
+  },
   {
     path: '/tutorial',
     component: MainLayout,
diff --git a/web/admin-spa/src/views/AccountUsageRecordsView.vue b/web/admin-spa/src/views/AccountUsageRecordsView.vue
new file mode 100644
index 00000000..c813e143
--- /dev/null
+++ b/web/admin-spa/src/views/AccountUsageRecordsView.vue
@@ -0,0 +1,574 @@
+<template>
+  <div class="space-y-4 p-4 lg:p-6">
+    <div class="flex flex-wrap items-center justify-between gap-3">
+      <div class="flex items-center gap-3">
+        <button
+          class="rounded-full border border-gray-200 px-3 py-2 text-sm text-gray-700 transition hover:bg-gray-100 dark:border-gray-700 dark:text-gray-200 dark:hover:bg-gray-800"
+          @click="goBack"
+        >
+          ← 返回
+        </button>
+        <div>
+          <p class="text-xs font-semibold uppercase tracking-wide text-blue-600 dark:text-blue-400">
+            账户请求详情时间线
+          </p>
+          <h2 class="text-xl font-bold text-gray-900 dark:text-gray-100">
+            {{ accountDisplayName }}
+          </h2>
+          <p class="text-xs text-gray-500 dark:text-gray-400">ID: {{ accountId }}</p>
+          <p class="text-xs text-gray-500 dark:text-gray-400">渠道：{{ platformDisplayName }}</p>
+        </div>
+      </div>
+      <div class="flex items-center gap-2 text-sm text-gray-500 dark:text-gray-400">
+        <i class="fas fa-clock text-blue-500" />
+        <span v-if="dateRangeHint">{{ dateRangeHint }}</span>
+        <span v-else>显示近 5000 条记录</span>
+      </div>
+    </div>
+
+    <div class="grid gap-3 md:grid-cols-2 xl:grid-cols-4">
+      <div
+        class="rounded-xl border border-gray-200 bg-white p-4 shadow-sm dark:border-gray-800 dark:bg-gray-900"
+      >
+        <p class="text-xs uppercase text-gray-500 dark:text-gray-400">总请求</p>
+        <p class="mt-1 text-2xl font-bold text-gray-900 dark:text-gray-100">
+          {{ formatNumber(summary.totalRequests) }}
+        </p>
+      </div>
+      <div
+        class="rounded-xl border border-gray-200 bg-white p-4 shadow-sm dark:border-gray-800 dark:bg-gray-900"
+      >
+        <p class="text-xs uppercase text-gray-500 dark:text-gray-400">总 Token</p>
+        <p class="mt-1 text-2xl font-bold text-gray-900 dark:text-gray-100">
+          {{ formatNumber(summary.totalTokens) }}
+        </p>
+      </div>
+      <div
+        class="rounded-xl border border-gray-200 bg-white p-4 shadow-sm dark:border-gray-800 dark:bg-gray-900"
+      >
+        <p class="text-xs uppercase text-gray-500 dark:text-gray-400">总费用</p>
+        <p class="mt-1 text-2xl font-bold text-yellow-600 dark:text-yellow-400">
+          {{ formatCost(summary.totalCost) }}
+        </p>
+      </div>
+      <div
+        class="rounded-xl border border-gray-200 bg-white p-4 shadow-sm dark:border-gray-800 dark:bg-gray-900"
+      >
+        <p class="text-xs uppercase text-gray-500 dark:text-gray-400">平均费用/次</p>
+        <p class="mt-1 text-2xl font-bold text-gray-900 dark:text-gray-100">
+          {{ formatCost(summary.avgCost) }}
+        </p>
+      </div>
+    </div>
+
+    <div
+      class="rounded-xl border border-gray-200 bg-white p-4 shadow-sm dark:border-gray-800 dark:bg-gray-900"
+    >
+      <div class="flex flex-wrap items-center gap-3">
+        <el-date-picker
+          v-model="filters.dateRange"
+          class="max-w-[320px]"
+          clearable
+          end-placeholder="结束时间"
+          format="YYYY-MM-DD HH:mm:ss"
+          start-placeholder="开始时间"
+          type="datetimerange"
+          unlink-panels
+          value-format="YYYY-MM-DDTHH:mm:ss[Z]"
+        />
+
+        <el-select
+          v-model="filters.model"
+          class="w-[180px]"
+          clearable
+          filterable
+          placeholder="所有模型"
+        >
+          <el-option
+            v-for="modelOption in availableModels"
+            :key="modelOption"
+            :label="modelOption"
+            :value="modelOption"
+          />
+        </el-select>
+
+        <el-select
+          v-model="filters.apiKeyId"
+          class="w-[220px]"
+          clearable
+          filterable
+          placeholder="所有 API Key"
+        >
+          <el-option
+            v-for="apiKey in availableApiKeys"
+            :key="apiKey.id"
+            :label="apiKey.name || apiKey.id"
+            :value="apiKey.id"
+          />
+        </el-select>
+
+        <el-select v-model="filters.sortOrder" class="w-[140px]" placeholder="排序">
+          <el-option label="时间降序" value="desc" />
+          <el-option label="时间升序" value="asc" />
+        </el-select>
+
+        <el-button @click="resetFilters"> <i class="fas fa-undo mr-2" /> 重置 </el-button>
+        <el-button :loading="exporting" type="primary" @click="exportCsv">
+          <i class="fas fa-file-export mr-2" /> 导出 CSV
+        </el-button>
+      </div>
+    </div>
+
+    <div
+      class="rounded-xl border border-gray-200 bg-white shadow-sm dark:border-gray-800 dark:bg-gray-900"
+    >
+      <div
+        v-if="loading"
+        class="flex items-center justify-center p-10 text-gray-500 dark:text-gray-400"
+      >
+        <i class="fas fa-spinner fa-spin mr-2" /> 加载中...
+      </div>
+      <div v-else>
+        <div
+          v-if="records.length === 0"
+          class="flex flex-col items-center gap-2 p-10 text-gray-500 dark:text-gray-400"
+        >
+          <i class="fas fa-inbox text-2xl" />
+          <p>暂无记录</p>
+        </div>
+        <div v-else class="space-y-4">
+          <div class="hidden overflow-x-auto md:block">
+            <table class="min-w-full divide-y divide-gray-200 dark:divide-gray-800">
+              <thead class="bg-gray-50 dark:bg-gray-800">
+                <tr>
+                  <th
+                    class="px-4 py-3 text-left text-xs font-medium uppercase tracking-wider text-gray-500 dark:text-gray-300"
+                  >
+                    时间
+                  </th>
+                  <th
+                    class="px-4 py-3 text-left text-xs font-medium uppercase tracking-wider text-gray-500 dark:text-gray-300"
+                  >
+                    API Key
+                  </th>
+                  <th
+                    class="px-4 py-3 text-left text-xs font-medium uppercase tracking-wider text-gray-500 dark:text-gray-300"
+                  >
+                    模型
+                  </th>
+                  <th
+                    class="px-4 py-3 text-left text-xs font-medium uppercase tracking-wider text-gray-500 dark:text-gray-300"
+                  >
+                    输入
+                  </th>
+                  <th
+                    class="px-4 py-3 text-left text-xs font-medium uppercase tracking-wider text-gray-500 dark:text-gray-300"
+                  >
+                    输出
+                  </th>
+                  <th
+                    class="px-4 py-3 text-left text-xs font-medium uppercase tracking-wider text-gray-500 dark:text-gray-300"
+                  >
+                    缓存(创/读)
+                  </th>
+                  <th
+                    class="px-4 py-3 text-left text-xs font-medium uppercase tracking-wider text-gray-500 dark:text-gray-300"
+                  >
+                    总 Token
+                  </th>
+                  <th
+                    class="px-4 py-3 text-left text-xs font-medium uppercase tracking-wider text-gray-500 dark:text-gray-300"
+                  >
+                    费用
+                  </th>
+                  <th
+                    class="px-4 py-3 text-right text-xs font-medium uppercase tracking-wider text-gray-500 dark:text-gray-300"
+                  >
+                    操作
+                  </th>
+                </tr>
+              </thead>
+              <tbody
+                class="divide-y divide-gray-200 bg-white dark:divide-gray-800 dark:bg-gray-900"
+              >
+                <tr v-for="record in records" :key="record.timestamp + record.model">
+                  <td class="whitespace-nowrap px-4 py-3 text-sm text-gray-800 dark:text-gray-100">
+                    {{ formatDate(record.timestamp) }}
+                  </td>
+                  <td class="px-4 py-3 text-sm text-gray-800 dark:text-gray-100">
+                    <div class="flex flex-col">
+                      <span class="font-semibold">
+                        {{ record.apiKeyName || record.apiKeyId || '未知 Key' }}
+                      </span>
+                      <span class="text-xs text-gray-500 dark:text-gray-400">
+                        ID: {{ record.apiKeyId }}
+                      </span>
+                    </div>
+                  </td>
+                  <td class="whitespace-nowrap px-4 py-3 text-sm text-gray-800 dark:text-gray-100">
+                    {{ record.model }}
+                  </td>
+                  <td class="whitespace-nowrap px-4 py-3 text-sm text-blue-600 dark:text-blue-400">
+                    {{ formatNumber(record.inputTokens) }}
+                  </td>
+                  <td
+                    class="whitespace-nowrap px-4 py-3 text-sm text-green-600 dark:text-green-400"
+                  >
+                    {{ formatNumber(record.outputTokens) }}
+                  </td>
+                  <td
+                    class="whitespace-nowrap px-4 py-3 text-sm text-purple-600 dark:text-purple-400"
+                  >
+                    {{ formatNumber(record.cacheCreateTokens) }} /
+                    {{ formatNumber(record.cacheReadTokens) }}
+                  </td>
+                  <td class="whitespace-nowrap px-4 py-3 text-sm text-gray-800 dark:text-gray-100">
+                    {{ formatNumber(record.totalTokens) }}
+                  </td>
+                  <td
+                    class="whitespace-nowrap px-4 py-3 text-sm text-yellow-600 dark:text-yellow-400"
+                  >
+                    {{ record.costFormatted || formatCost(record.cost) }}
+                  </td>
+                  <td class="whitespace-nowrap px-4 py-3 text-right text-sm">
+                    <el-button size="small" @click="openDetail(record)">详情</el-button>
+                  </td>
+                </tr>
+              </tbody>
+            </table>
+          </div>
+
+          <div class="space-y-3 md:hidden">
+            <div
+              v-for="record in records"
+              :key="record.timestamp + record.model"
+              class="rounded-lg border border-gray-200 bg-white p-4 shadow-sm dark:border-gray-800 dark:bg-gray-900"
+            >
+              <div class="flex items-center justify-between">
+                <div>
+                  <p class="text-sm font-semibold text-gray-900 dark:text-gray-100">
+                    {{ record.apiKeyName || record.apiKeyId || '未知 Key' }}
+                  </p>
+                  <p class="text-xs text-gray-500 dark:text-gray-400">
+                    ID: {{ record.apiKeyId }} · {{ formatDate(record.timestamp) }}
+                  </p>
+                  <p class="text-xs text-gray-500 dark:text-gray-400">
+                    渠道：{{ platformDisplayName }}
+                  </p>
+                </div>
+                <el-button size="small" @click="openDetail(record)">详情</el-button>
+              </div>
+              <div class="mt-3 grid grid-cols-2 gap-2 text-sm text-gray-700 dark:text-gray-300">
+                <div>模型：{{ record.model }}</div>
+                <div>总 Token：{{ formatNumber(record.totalTokens) }}</div>
+                <div>输入：{{ formatNumber(record.inputTokens) }}</div>
+                <div>输出：{{ formatNumber(record.outputTokens) }}</div>
+                <div>
+                  缓存创/读：{{ formatNumber(record.cacheCreateTokens) }} /
+                  {{ formatNumber(record.cacheReadTokens) }}
+                </div>
+                <div class="text-yellow-600 dark:text-yellow-400">
+                  费用：{{ record.costFormatted || formatCost(record.cost) }}
+                </div>
+              </div>
+            </div>
+          </div>
+
+          <div class="flex items-center justify-between px-4 pb-4">
+            <div class="text-sm text-gray-500 dark:text-gray-400">
+              共 {{ pagination.totalRecords }} 条记录
+            </div>
+            <el-pagination
+              background
+              :current-page="pagination.currentPage"
+              layout="prev, pager, next, sizes"
+              :page-size="pagination.pageSize"
+              :page-sizes="[20, 50, 100, 200]"
+              :total="pagination.totalRecords"
+              @current-change="handlePageChange"
+              @size-change="handleSizeChange"
+            />
+          </div>
+        </div>
+      </div>
+    </div>
+
+    <RecordDetailModal :record="activeRecord" :show="detailVisible" @close="closeDetail" />
+  </div>
+</template>
+
+<script setup>
+import { computed, onMounted, reactive, ref, watch } from 'vue'
+import dayjs from 'dayjs'
+import { useRoute, useRouter } from 'vue-router'
+import { apiClient } from '@/config/api'
+import { showToast } from '@/utils/toast'
+import { formatNumber } from '@/utils/format'
+import RecordDetailModal from '@/components/apikeys/RecordDetailModal.vue'
+
+const route = useRoute()
+const router = useRouter()
+
+const accountId = computed(() => route.params.accountId)
+const platform = computed(() => route.query.platform)
+const loading = ref(false)
+const exporting = ref(false)
+const records = ref([])
+const availableModels = ref([])
+const availableApiKeys = ref([])
+
+const pagination = reactive({
+  currentPage: 1,
+  pageSize: 50,
+  totalRecords: 0
+})
+
+const filters = reactive({
+  dateRange: null,
+  model: '',
+  apiKeyId: '',
+  sortOrder: 'desc'
+})
+
+const summary = reactive({
+  totalRequests: 0,
+  totalTokens: 0,
+  totalCost: 0,
+  avgCost: 0
+})
+
+const accountInfo = reactive({
+  id: accountId.value,
+  name: '',
+  platform: platform.value || ''
+})
+
+const detailVisible = ref(false)
+const activeRecord = ref(null)
+
+const accountDisplayName = computed(() => accountInfo.name || accountInfo.id || accountId.value)
+const platformDisplayName = computed(() => {
+  const map = {
+    claude: 'Claude官方',
+    'claude-console': 'Claude Console',
+    ccr: 'Claude Console Relay',
+    openai: 'OpenAI',
+    'openai-responses': 'OpenAI Responses',
+    gemini: 'Gemini',
+    'gemini-api': 'Gemini API',
+    droid: 'Droid',
+    unknown: '未知渠道'
+  }
+  const key = accountInfo.platform || platform.value || 'unknown'
+  return map[key] || '未知渠道'
+})
+
+const dateRangeHint = computed(() => {
+  if (!filters.dateRange || filters.dateRange.length !== 2) return ''
+  return `${formatDate(filters.dateRange[0])} ~ ${formatDate(filters.dateRange[1])}`
+})
+
+const formatDate = (value) => {
+  if (!value) return '--'
+  return dayjs(value).format('YYYY-MM-DD HH:mm:ss')
+}
+
+const formatCost = (value) => {
+  const num = typeof value === 'number' ? value : 0
+  if (num >= 1) return `$${num.toFixed(2)}`
+  if (num >= 0.001) return `$${num.toFixed(4)}`
+  return `$${num.toFixed(6)}`
+}
+
+const buildParams = (page) => {
+  const params = {
+    page,
+    pageSize: pagination.pageSize,
+    sortOrder: filters.sortOrder
+  }
+
+  if (filters.model) params.model = filters.model
+  if (filters.apiKeyId) params.apiKeyId = filters.apiKeyId
+  if (filters.dateRange && filters.dateRange.length === 2) {
+    params.startDate = dayjs(filters.dateRange[0]).toISOString()
+    params.endDate = dayjs(filters.dateRange[1]).toISOString()
+  }
+  if (platform.value) {
+    params.platform = platform.value
+  }
+
+  return params
+}
+
+const syncResponseState = (data) => {
+  records.value = data.records || []
+
+  const pageInfo = data.pagination || {}
+  pagination.currentPage = pageInfo.currentPage || 1
+  pagination.pageSize = pageInfo.pageSize || pagination.pageSize
+  pagination.totalRecords = pageInfo.totalRecords || 0
+
+  const filterEcho = data.filters || {}
+  if (filterEcho.model !== undefined) filters.model = filterEcho.model || ''
+  if (filterEcho.apiKeyId !== undefined) filters.apiKeyId = filterEcho.apiKeyId || ''
+  if (filterEcho.sortOrder) filters.sortOrder = filterEcho.sortOrder
+  if (filterEcho.startDate && filterEcho.endDate) {
+    const nextRange = [filterEcho.startDate, filterEcho.endDate]
+    const currentRange = filters.dateRange || []
+    if (currentRange[0] !== nextRange[0] || currentRange[1] !== nextRange[1]) {
+      filters.dateRange = nextRange
+    }
+  }
+
+  const summaryData = data.summary || {}
+  summary.totalRequests = summaryData.totalRequests || 0
+  summary.totalTokens = summaryData.totalTokens || 0
+  summary.totalCost = summaryData.totalCost || 0
+  summary.avgCost = summaryData.avgCost || 0
+
+  accountInfo.id = data.accountInfo?.id || accountId.value
+  accountInfo.name = data.accountInfo?.name || ''
+  accountInfo.platform = data.accountInfo?.platform || platform.value || ''
+
+  availableModels.value = data.availableFilters?.models || []
+  availableApiKeys.value = data.availableFilters?.apiKeys || []
+}
+
+const fetchRecords = async (page = pagination.currentPage) => {
+  loading.value = true
+  try {
+    const response = await apiClient.get(`/admin/accounts/${accountId.value}/usage-records`, {
+      params: buildParams(page)
+    })
+    syncResponseState(response.data || {})
+  } catch (error) {
+    showToast(`加载请求记录失败：${error.message || '未知错误'}`, 'error')
+  } finally {
+    loading.value = false
+  }
+}
+
+const handlePageChange = (page) => {
+  pagination.currentPage = page
+  fetchRecords(page)
+}
+
+const handleSizeChange = (size) => {
+  pagination.pageSize = size
+  pagination.currentPage = 1
+  fetchRecords(1)
+}
+
+const resetFilters = () => {
+  filters.model = ''
+  filters.apiKeyId = ''
+  filters.dateRange = null
+  filters.sortOrder = 'desc'
+  pagination.currentPage = 1
+  fetchRecords(1)
+}
+
+const openDetail = (record) => {
+  activeRecord.value = record
+  detailVisible.value = true
+}
+
+const closeDetail = () => {
+  detailVisible.value = false
+  activeRecord.value = null
+}
+
+const goBack = () => {
+  router.push('/accounts')
+}
+
+const exportCsv = async () => {
+  if (exporting.value) return
+  exporting.value = true
+  try {
+    const aggregated = []
+    let page = 1
+    let totalPages = 1
+    const maxPages = 50 // 50 * 200 = 10000，超过后端 5000 上限已足够
+
+    while (page <= totalPages && page <= maxPages) {
+      const response = await apiClient.get(`/admin/accounts/${accountId.value}/usage-records`, {
+        params: { ...buildParams(page), pageSize: 200 }
+      })
+      const payload = response.data || {}
+      aggregated.push(...(payload.records || []))
+      totalPages = payload.pagination?.totalPages || 1
+      page += 1
+    }
+
+    if (aggregated.length === 0) {
+      showToast('没有可导出的记录', 'info')
+      return
+    }
+
+    const headers = [
+      '时间',
+      'API Key',
+      '模型',
+      '输入Token',
+      '输出Token',
+      '缓存创建Token',
+      '缓存读取Token',
+      '总Token',
+      '费用'
+    ]
+
+    const csvRows = [headers.join(',')]
+    aggregated.forEach((record) => {
+      const row = [
+        formatDate(record.timestamp),
+        record.apiKeyName || record.apiKeyId || '',
+        record.model || '',
+        record.inputTokens || 0,
+        record.outputTokens || 0,
+        record.cacheCreateTokens || 0,
+        record.cacheReadTokens || 0,
+        record.totalTokens || 0,
+        record.costFormatted || formatCost(record.cost)
+      ]
+      csvRows.push(row.map((cell) => `"${String(cell).replace(/"/g, '""')}"`).join(','))
+    })
+
+    const blob = new Blob([csvRows.join('\n')], {
+      type: 'text/csv;charset=utf-8;'
+    })
+    const url = URL.createObjectURL(blob)
+    const link = document.createElement('a')
+    link.href = url
+    link.download = `account-${accountId.value}-usage-records.csv`
+    link.click()
+    URL.revokeObjectURL(url)
+    showToast('导出 CSV 成功', 'success')
+  } catch (error) {
+    showToast(`导出失败：${error.message || '未知错误'}`, 'error')
+  } finally {
+    exporting.value = false
+  }
+}
+
+watch(
+  () => [filters.model, filters.apiKeyId, filters.sortOrder],
+  () => {
+    pagination.currentPage = 1
+    fetchRecords(1)
+  }
+)
+
+watch(
+  () => filters.dateRange,
+  () => {
+    pagination.currentPage = 1
+    fetchRecords(1)
+  },
+  { deep: true }
+)
+
+onMounted(() => {
+  fetchRecords()
+})
+</script>
diff --git a/web/admin-spa/src/views/AccountsView.vue b/web/admin-spa/src/views/AccountsView.vue
index c2a31013..88aa858a 100644
--- a/web/admin-spa/src/views/AccountsView.vue
+++ b/web/admin-spa/src/views/AccountsView.vue
@@ -1668,7 +1668,6 @@
               <i class="fas fa-chart-line" />
               详情
             </button>
-
             <button
               v-if="canTestAccount(account)"
               class="flex flex-1 items-center justify-center gap-1 rounded-lg bg-cyan-50 px-3 py-2 text-xs text-cyan-600 transition-colors hover:bg-cyan-100 dark:bg-cyan-900/40 dark:text-cyan-300 dark:hover:bg-cyan-800/50"