diff --git a/Dcodegithubclaude-relay-servicelogs.claude-relay-audit.log.json b/Dcodegithubclaude-relay-servicelogs.claude-relay-audit.log.json
new file mode 100644
index 00000000..6690b5de
--- /dev/null
+++ b/Dcodegithubclaude-relay-servicelogs.claude-relay-audit.log.json
@@ -0,0 +1,35 @@
+{
+    "keep": {
+        "days": false,
+        "amount": 5
+    },
+    "auditLog": "D:\\code\\github\\claude-relay-service\\logs\\.claude-relay-audit.log.json",
+    "files": [
+        {
+            "date": 1766937830728,
+            "name": "D:\\code\\github\\claude-relay-service\\logs\\claude-relay-2025-12-29.log",
+            "hash": "d82c1d686e66788fe8083e7e0905e214a400c033e83cb6d2d30bfca72b079a5c"
+        },
+        {
+            "date": 1767024423693,
+            "name": "D:\\code\\github\\claude-relay-service\\logs\\claude-relay-2025-12-30.log",
+            "hash": "22671b37716c6044051919421a80eedbb42fff28937b467ff9a58eefe70a084c"
+        },
+        {
+            "date": 1767098022995,
+            "name": "/mnt/d/code/github/claude-relay-service/logs/claude-relay-2025-12-30.log",
+            "hash": "17b4d378f134d2d9d8a4e929b085d7e2121bcfced44b4ffe2860455b027bd2a7"
+        },
+        {
+            "date": 1767110489197,
+            "name": "/mnt/d/code/github/claude-relay-service/logs/claude-relay-2025-12-31.log",
+            "hash": "29305b4cd76e3e64212c41de27ee5c44d1525e090e3a6d157a18d3f4a14cb633"
+        },
+        {
+            "date": 1767197382349,
+            "name": "/mnt/d/code/github/claude-relay-service/logs/claude-relay-2026-01-01.log",
+            "hash": "57dea51b19fd2115b1b20ee5ecf1908ded5f709feb102c7210501b20786c1e35"
+        }
+    ],
+    "hashType": "sha256"
+}
\ No newline at end of file
diff --git a/src/routes/admin/apiKeys.js b/src/routes/admin/apiKeys.js
index 5a92937a..5d67e0b7 100644
--- a/src/routes/admin/apiKeys.js
+++ b/src/routes/admin/apiKeys.js
@@ -79,7 +79,8 @@ router.get('/api-keys/:keyId/cost-debug', authenticateAdmin, async (req, res) =>
     const costStats = await redis.getCostStats(keyId)
     const dailyCost = await redis.getDailyCost(keyId)
     const today = redis.getDateStringInTimezone()
-    const client = redis.getClientSafe()
+    // eslint-disable-next-line no-unused-vars
+    const _client = redis.getClientSafe()
 
     // 获取所有相关的Redis键
     const costKeys = await redis.scanKeys(`usage:cost:*:${keyId}:*`)
@@ -298,7 +299,9 @@ router.get('/api-keys', authenticateAdmin, async (req, res) => {
         userIdsToFetch.map((id) => userService.getUserById(id, false).catch(() => null))
       )
       userIdsToFetch.forEach((id, i) => {
-        if (users[i]) userMap.set(id, users[i])
+        if (users[i]) {
+          userMap.set(id, users[i])
+        }
       })
     }
 
diff --git a/src/routes/admin/dashboard.js b/src/routes/admin/dashboard.js
index 21e84e6c..82d7184e 100644
--- a/src/routes/admin/dashboard.js
+++ b/src/routes/admin/dashboard.js
@@ -6,13 +6,13 @@ const bedrockAccountService = require('../../services/bedrockAccountService')
 const ccrAccountService = require('../../services/ccrAccountService')
 const geminiAccountService = require('../../services/geminiAccountService')
 const droidAccountService = require('../../services/droidAccountService')
-const openaiAccountService = require('../../services/openaiAccountService')
+// const openaiAccountService = require('../../services/openaiAccountService') // TODO: 未来用于OpenAI账户统计
 const openaiResponsesAccountService = require('../../services/openaiResponsesAccountService')
 const redis = require('../../models/redis')
 const { authenticateAdmin } = require('../../middleware/auth')
 const logger = require('../../utils/logger')
 const CostCalculator = require('../../utils/costCalculator')
-const pricingService = require('../../services/pricingService')
+// const pricingService = require('../../services/pricingService') // TODO: 未来用于成本计算
 const config = require('../../../config/config')
 
 const router = express.Router()
@@ -144,7 +144,9 @@ router.get('/dashboard', authenticateAdmin, async (req, res) => {
         totalCacheReadTokensUsed += usage.cacheReadTokens || 0
         totalAllTokensUsed += usage.allTokens || 0
       }
-      if (key.isActive) activeApiKeys++
+      if (key.isActive) {
+        activeApiKeys++
+      }
     }
 
     // 各平台账户统计（单次遍历）
diff --git a/src/routes/admin/droidAccounts.js b/src/routes/admin/droidAccounts.js
index ba045de2..90a44550 100644
--- a/src/routes/admin/droidAccounts.js
+++ b/src/routes/admin/droidAccounts.js
@@ -157,7 +157,9 @@ router.get('/droid-accounts', authenticateAdmin, async (req, res) => {
     const groupToAccountIds = new Map()
     for (const [accountId, groups] of allGroupInfosMap) {
       for (const group of groups) {
-        if (!groupToAccountIds.has(group.id)) groupToAccountIds.set(group.id, [])
+        if (!groupToAccountIds.has(group.id)) {
+          groupToAccountIds.set(group.id, [])
+        }
         groupToAccountIds.get(group.id).push(accountId)
       }
     }
@@ -167,7 +169,9 @@ router.get('/droid-accounts', authenticateAdmin, async (req, res) => {
     const groupBindingCount = new Map()
     for (const key of allApiKeys) {
       const binding = key.droidAccountId
-      if (!binding) continue
+      if (!binding) {
+        continue
+      }
       if (binding.startsWith('group:')) {
         const groupId = binding.substring('group:'.length)
         groupBindingCount.set(groupId, (groupBindingCount.get(groupId) || 0) + 1)
diff --git a/src/routes/admin/geminiApiAccounts.js b/src/routes/admin/geminiApiAccounts.js
index 598adc91..9c773de6 100644
--- a/src/routes/admin/geminiApiAccounts.js
+++ b/src/routes/admin/geminiApiAccounts.js
@@ -46,7 +46,9 @@ router.get('/gemini-api-accounts', authenticateAdmin, async (req, res) => {
     const bindingCountMap = new Map()
     for (const key of allApiKeys) {
       const binding = key.geminiAccountId
-      if (!binding) continue
+      if (!binding) {
+        continue
+      }
       // 处理 api: 前缀
       const accountId = binding.startsWith('api:') ? binding.substring(4) : binding
       bindingCountMap.set(accountId, (bindingCountMap.get(accountId) || 0) + 1)
diff --git a/src/routes/admin/openaiResponsesAccounts.js b/src/routes/admin/openaiResponsesAccounts.js
index dc66ffd9..0fff3196 100644
--- a/src/routes/admin/openaiResponsesAccounts.js
+++ b/src/routes/admin/openaiResponsesAccounts.js
@@ -54,7 +54,9 @@ router.get('/openai-responses-accounts', authenticateAdmin, async (req, res) =>
     const bindingCountMap = new Map()
     for (const key of allApiKeys) {
       const binding = key.openaiAccountId
-      if (!binding) continue
+      if (!binding) {
+        continue
+      }
       // 处理 responses: 前缀
       const accountId = binding.startsWith('responses:') ? binding.substring(10) : binding
       bindingCountMap.set(accountId, (bindingCountMap.get(accountId) || 0) + 1)
diff --git a/src/routes/admin/usageStats.js b/src/routes/admin/usageStats.js
index 7264a387..9b72cb35 100644
--- a/src/routes/admin/usageStats.js
+++ b/src/routes/admin/usageStats.js
@@ -64,14 +64,18 @@ async function getUsageDataByIndex(indexKey, keyPattern, scanPattern) {
       const match =
         k.match(/usage:([^:]+):model:daily:(.+):\d{4}-\d{2}-\d{2}$/) ||
         k.match(/usage:([^:]+):model:hourly:(.+):\d{4}-\d{2}-\d{2}:\d{2}$/)
-      if (match) return `${match[1]}:${match[2]}`
+      if (match) {
+        return `${match[1]}:${match[2]}`
+      }
     }
     if (keyPattern.includes('{accountId}') && keyPattern.includes('{model}')) {
       // account_usage:model:daily 或 hourly
       const match =
         k.match(/account_usage:model:daily:([^:]+):(.+):\d{4}-\d{2}-\d{2}$/) ||
         k.match(/account_usage:model:hourly:([^:]+):(.+):\d{4}-\d{2}-\d{2}:\d{2}$/)
-      if (match) return `${match[1]}:${match[2]}`
+      if (match) {
+        return `${match[1]}:${match[2]}`
+      }
     }
     // 通用格式：提取最后一个 : 前的 id
     const parts = k.split(':')
@@ -537,7 +541,7 @@ router.get('/usage-trend', authenticateAdmin, async (req, res) => {
       }
 
       // 使用索引获取数据，按小时批量查询
-      const dates = [...dateSet]
+      const _dates = [...dateSet]
       const modelDataMap = new Map()
       const usageDataMap = new Map()
 
@@ -571,7 +575,9 @@ router.get('/usage-trend', authenticateAdmin, async (req, res) => {
         const match = key.match(/usage:model:hourly:.+?:(\d{4}-\d{2}-\d{2}:\d{2})/)
         if (match) {
           const hourKey = match[1]
-          if (!modelKeysByHour.has(hourKey)) modelKeysByHour.set(hourKey, [])
+          if (!modelKeysByHour.has(hourKey)) {
+            modelKeysByHour.set(hourKey, [])
+          }
           modelKeysByHour.get(hourKey).push(key)
         }
       }
@@ -579,7 +585,9 @@ router.get('/usage-trend', authenticateAdmin, async (req, res) => {
         const match = key.match(/usage:hourly:.+?:(\d{4}-\d{2}-\d{2}:\d{2})/)
         if (match) {
           const hourKey = match[1]
-          if (!usageKeysByHour.has(hourKey)) usageKeysByHour.set(hourKey, [])
+          if (!usageKeysByHour.has(hourKey)) {
+            usageKeysByHour.set(hourKey, [])
+          }
           usageKeysByHour.get(hourKey).push(key)
         }
       }
@@ -599,11 +607,15 @@ router.get('/usage-trend', authenticateAdmin, async (req, res) => {
         // 处理模型级别数据
         for (const modelKey of modelKeys) {
           const modelMatch = modelKey.match(/usage:model:hourly:(.+?):\d{4}-\d{2}-\d{2}:\d{2}/)
-          if (!modelMatch) continue
+          if (!modelMatch) {
+            continue
+          }
 
           const model = modelMatch[1]
           const data = modelDataMap.get(modelKey)
-          if (!data || Object.keys(data).length === 0) continue
+          if (!data || Object.keys(data).length === 0) {
+            continue
+          }
 
           const modelInputTokens = parseInt(data.inputTokens) || 0
           const modelOutputTokens = parseInt(data.outputTokens) || 0
@@ -710,7 +722,9 @@ router.get('/usage-trend', authenticateAdmin, async (req, res) => {
         const match = key.match(/usage:model:daily:.+?:(\d{4}-\d{2}-\d{2})/)
         if (match) {
           const dateStr = match[1]
-          if (!modelKeysByDate.has(dateStr)) modelKeysByDate.set(dateStr, [])
+          if (!modelKeysByDate.has(dateStr)) {
+            modelKeysByDate.set(dateStr, [])
+          }
           modelKeysByDate.get(dateStr).push(key)
         }
       }
@@ -718,7 +732,9 @@ router.get('/usage-trend', authenticateAdmin, async (req, res) => {
         const match = key.match(/usage:daily:.+?:(\d{4}-\d{2}-\d{2})/)
         if (match) {
           const dateStr = match[1]
-          if (!usageKeysByDate.has(dateStr)) usageKeysByDate.set(dateStr, [])
+          if (!usageKeysByDate.has(dateStr)) {
+            usageKeysByDate.set(dateStr, [])
+          }
           usageKeysByDate.get(dateStr).push(key)
         }
       }
@@ -738,11 +754,15 @@ router.get('/usage-trend', authenticateAdmin, async (req, res) => {
         // 处理模型级别数据
         for (const modelKey of modelKeys) {
           const modelMatch = modelKey.match(/usage:model:daily:(.+?):\d{4}-\d{2}-\d{2}/)
-          if (!modelMatch) continue
+          if (!modelMatch) {
+            continue
+          }
 
           const model = modelMatch[1]
           const data = modelDataMap.get(modelKey)
-          if (!data || Object.keys(data).length === 0) continue
+          if (!data || Object.keys(data).length === 0) {
+            continue
+          }
 
           const modelInputTokens = parseInt(data.inputTokens) || 0
           const modelOutputTokens = parseInt(data.outputTokens) || 0
@@ -827,7 +847,7 @@ router.get('/api-keys/:keyId/model-stats', authenticateAdmin, async (req, res) =
       `📊 Getting model stats for API key: ${keyId}, period: ${period}, startDate: ${startDate}, endDate: ${endDate}`
     )
 
-    const client = redis.getClientSafe()
+    const _client = redis.getClientSafe()
     const today = redis.getDateStringInTimezone()
     const tzDate = redis.getDateInTimezone()
     const currentMonth = `${tzDate.getUTCFullYear()}-${String(tzDate.getUTCMonth() + 1).padStart(
@@ -895,9 +915,13 @@ router.get('/api-keys/:keyId/model-stats', authenticateAdmin, async (req, res) =
       for (const results of allResults) {
         for (const { key, data } of results) {
           // 过滤出属于该 keyId 的记录
-          if (!key.startsWith(`usage:${keyId}:model:`)) continue
+          if (!key.startsWith(`usage:${keyId}:model:`)) {
+            continue
+          }
           const match = key.match(/usage:.+:model:daily:(.+):\d{4}-\d{2}-\d{2}$/)
-          if (!match) continue
+          if (!match) {
+            continue
+          }
           const model = match[1]
           if (!modelStatsMap.has(model)) {
             modelStatsMap.set(model, {
@@ -933,11 +957,15 @@ router.get('/api-keys/:keyId/model-stats', authenticateAdmin, async (req, res) =
         results = await redis.scanAndGetAllChunked(pattern)
       }
       for (const { key, data } of results) {
-        if (!key.startsWith(`usage:${keyId}:model:`)) continue
+        if (!key.startsWith(`usage:${keyId}:model:`)) {
+          continue
+        }
         const match =
           key.match(/usage:.+:model:daily:(.+):\d{4}-\d{2}-\d{2}$/) ||
           key.match(/usage:.+:model:monthly:(.+):\d{4}-\d{2}$/)
-        if (!match) continue
+        if (!match) {
+          continue
+        }
         const model = match[1]
         if (!modelStatsMap.has(model)) {
           modelStatsMap.set(model, {
@@ -1255,7 +1283,7 @@ router.get('/account-usage-trend', authenticateAdmin, async (req, res) => {
       }
 
       // 按小时获取 account_usage 数据（避免全库扫描）
-      const dates = [...dateSet]
+      const _dates = [...dateSet]
       const usageDataMap = new Map()
       const modelDataMap = new Map()
 
@@ -1289,7 +1317,9 @@ router.get('/account-usage-trend', authenticateAdmin, async (req, res) => {
         const match = key.match(/account_usage:hourly:.+?:(\d{4}-\d{2}-\d{2}:\d{2})/)
         if (match) {
           const hourKey = match[1]
-          if (!usageKeysByHour.has(hourKey)) usageKeysByHour.set(hourKey, [])
+          if (!usageKeysByHour.has(hourKey)) {
+            usageKeysByHour.set(hourKey, [])
+          }
           usageKeysByHour.get(hourKey).push(key)
         }
       }
@@ -1299,7 +1329,9 @@ router.get('/account-usage-trend', authenticateAdmin, async (req, res) => {
           const accountId = match[1]
           const hourKey = match[2]
           const mapKey = `${accountId}:${hourKey}`
-          if (!modelKeysByHour.has(mapKey)) modelKeysByHour.set(mapKey, [])
+          if (!modelKeysByHour.has(mapKey)) {
+            modelKeysByHour.set(mapKey, [])
+          }
           modelKeysByHour.get(mapKey).push(key)
         }
       }
@@ -1316,13 +1348,19 @@ router.get('/account-usage-trend', authenticateAdmin, async (req, res) => {
 
         for (const key of usageKeys) {
           const match = key.match(/account_usage:hourly:(.+?):\d{4}-\d{2}-\d{2}:\d{2}/)
-          if (!match) continue
+          if (!match) {
+            continue
+          }
 
           const accountId = match[1]
-          if (!accountIdSet.has(accountId)) continue
+          if (!accountIdSet.has(accountId)) {
+            continue
+          }
 
           const data = usageDataMap.get(key)
-          if (!data) continue
+          if (!data) {
+            continue
+          }
 
           const inputTokens = parseInt(data.inputTokens) || 0
           const outputTokens = parseInt(data.outputTokens) || 0
@@ -1338,10 +1376,14 @@ router.get('/account-usage-trend', authenticateAdmin, async (req, res) => {
           const modelKeys = modelKeysByHour.get(`${accountId}:${hourInfo.hourKey}`) || []
           for (const modelKey of modelKeys) {
             const modelData = modelDataMap.get(modelKey)
-            if (!modelData) continue
+            if (!modelData) {
+              continue
+            }
 
             const parts = modelKey.split(':')
-            if (parts.length < 5) continue
+            if (parts.length < 5) {
+              continue
+            }
 
             const modelName = parts[4]
             const usage = {
@@ -1434,7 +1476,9 @@ router.get('/account-usage-trend', authenticateAdmin, async (req, res) => {
         const match = key.match(/account_usage:daily:.+?:(\d{4}-\d{2}-\d{2})/)
         if (match) {
           const dateStr = match[1]
-          if (!usageKeysByDate.has(dateStr)) usageKeysByDate.set(dateStr, [])
+          if (!usageKeysByDate.has(dateStr)) {
+            usageKeysByDate.set(dateStr, [])
+          }
           usageKeysByDate.get(dateStr).push(key)
         }
       }
@@ -1444,7 +1488,9 @@ router.get('/account-usage-trend', authenticateAdmin, async (req, res) => {
           const accountId = match[1]
           const dateStr = match[2]
           const mapKey = `${accountId}:${dateStr}`
-          if (!modelKeysByDate.has(mapKey)) modelKeysByDate.set(mapKey, [])
+          if (!modelKeysByDate.has(mapKey)) {
+            modelKeysByDate.set(mapKey, [])
+          }
           modelKeysByDate.get(mapKey).push(key)
         }
       }
@@ -1460,13 +1506,19 @@ router.get('/account-usage-trend', authenticateAdmin, async (req, res) => {
 
         for (const key of usageKeys) {
           const match = key.match(/account_usage:daily:(.+?):\d{4}-\d{2}-\d{2}/)
-          if (!match) continue
+          if (!match) {
+            continue
+          }
 
           const accountId = match[1]
-          if (!accountIdSet.has(accountId)) continue
+          if (!accountIdSet.has(accountId)) {
+            continue
+          }
 
           const data = usageDataMap.get(key)
-          if (!data) continue
+          if (!data) {
+            continue
+          }
 
           const inputTokens = parseInt(data.inputTokens) || 0
           const outputTokens = parseInt(data.outputTokens) || 0
@@ -1482,10 +1534,14 @@ router.get('/account-usage-trend', authenticateAdmin, async (req, res) => {
           const modelKeys = modelKeysByDate.get(`${accountId}:${dayInfo.dateStr}`) || []
           for (const modelKey of modelKeys) {
             const modelData = modelDataMap.get(modelKey)
-            if (!modelData) continue
+            if (!modelData) {
+              continue
+            }
 
             const parts = modelKey.split(':')
-            if (parts.length < 5) continue
+            if (parts.length < 5) {
+              continue
+            }
 
             const modelName = parts[4]
             const usage = {
@@ -1613,7 +1669,7 @@ router.get('/api-keys-usage-trend', authenticateAdmin, async (req, res) => {
       }
 
       // 使用索引获取数据，按小时批量查询
-      const dates = [...dateSet]
+      const _dates = [...dateSet]
       const usageDataMap = new Map()
       const modelDataMap = new Map()
 
@@ -1646,7 +1702,9 @@ router.get('/api-keys-usage-trend', authenticateAdmin, async (req, res) => {
         const match = key.match(/usage:hourly:.+?:(\d{4}-\d{2}-\d{2}:\d{2})/)
         if (match) {
           const hourKey = match[1]
-          if (!usageKeysByHour.has(hourKey)) usageKeysByHour.set(hourKey, [])
+          if (!usageKeysByHour.has(hourKey)) {
+            usageKeysByHour.set(hourKey, [])
+          }
           usageKeysByHour.get(hourKey).push(key)
         }
       }
@@ -1654,7 +1712,9 @@ router.get('/api-keys-usage-trend', authenticateAdmin, async (req, res) => {
         const match = key.match(/usage:.+?:model:hourly:.+?:(\d{4}-\d{2}-\d{2}:\d{2})/)
         if (match) {
           const hourKey = match[1]
-          if (!modelKeysByHour.has(hourKey)) modelKeysByHour.set(hourKey, [])
+          if (!modelKeysByHour.has(hourKey)) {
+            modelKeysByHour.set(hourKey, [])
+          }
           modelKeysByHour.get(hourKey).push(key)
         }
       }
@@ -1674,11 +1734,15 @@ router.get('/api-keys-usage-trend', authenticateAdmin, async (req, res) => {
         const apiKeyDataMap = new Map()
         for (const key of hourUsageKeys) {
           const match = key.match(/usage:hourly:(.+?):\d{4}-\d{2}-\d{2}:\d{2}/)
-          if (!match) continue
+          if (!match) {
+            continue
+          }
 
           const apiKeyId = match[1]
           const data = usageDataMap.get(key)
-          if (!data || !apiKeyMap.has(apiKeyId)) continue
+          if (!data || !apiKeyMap.has(apiKeyId)) {
+            continue
+          }
 
           const inputTokens = parseInt(data.inputTokens) || 0
           const outputTokens = parseInt(data.outputTokens) || 0
@@ -1700,12 +1764,16 @@ router.get('/api-keys-usage-trend', authenticateAdmin, async (req, res) => {
         const apiKeyCostMap = new Map()
         for (const modelKey of hourModelKeys) {
           const match = modelKey.match(/usage:(.+?):model:hourly:(.+?):\d{4}-\d{2}-\d{2}:\d{2}/)
-          if (!match) continue
+          if (!match) {
+            continue
+          }
 
           const apiKeyId = match[1]
           const model = match[2]
           const modelData = modelDataMap.get(modelKey)
-          if (!modelData || !apiKeyDataMap.has(apiKeyId)) continue
+          if (!modelData || !apiKeyDataMap.has(apiKeyId)) {
+            continue
+          }
 
           const usage = {
             input_tokens: parseInt(modelData.inputTokens) || 0,
@@ -1795,7 +1863,9 @@ router.get('/api-keys-usage-trend', authenticateAdmin, async (req, res) => {
         const match = key.match(/usage:daily:.+?:(\d{4}-\d{2}-\d{2})/)
         if (match) {
           const dateStr = match[1]
-          if (!usageKeysByDate.has(dateStr)) usageKeysByDate.set(dateStr, [])
+          if (!usageKeysByDate.has(dateStr)) {
+            usageKeysByDate.set(dateStr, [])
+          }
           usageKeysByDate.get(dateStr).push(key)
         }
       }
@@ -1803,7 +1873,9 @@ router.get('/api-keys-usage-trend', authenticateAdmin, async (req, res) => {
         const match = key.match(/usage:.+?:model:daily:.+?:(\d{4}-\d{2}-\d{2})/)
         if (match) {
           const dateStr = match[1]
-          if (!modelKeysByDate.has(dateStr)) modelKeysByDate.set(dateStr, [])
+          if (!modelKeysByDate.has(dateStr)) {
+            modelKeysByDate.set(dateStr, [])
+          }
           modelKeysByDate.get(dateStr).push(key)
         }
       }
@@ -1822,11 +1894,15 @@ router.get('/api-keys-usage-trend', authenticateAdmin, async (req, res) => {
         const apiKeyDataMap = new Map()
         for (const key of dayUsageKeys) {
           const match = key.match(/usage:daily:(.+?):\d{4}-\d{2}-\d{2}/)
-          if (!match) continue
+          if (!match) {
+            continue
+          }
 
           const apiKeyId = match[1]
           const data = usageDataMap.get(key)
-          if (!data || !apiKeyMap.has(apiKeyId)) continue
+          if (!data || !apiKeyMap.has(apiKeyId)) {
+            continue
+          }
 
           const inputTokens = parseInt(data.inputTokens) || 0
           const outputTokens = parseInt(data.outputTokens) || 0
@@ -1848,12 +1924,16 @@ router.get('/api-keys-usage-trend', authenticateAdmin, async (req, res) => {
         const apiKeyCostMap = new Map()
         for (const modelKey of dayModelKeys) {
           const match = modelKey.match(/usage:(.+?):model:daily:(.+?):\d{4}-\d{2}-\d{2}/)
-          if (!match) continue
+          if (!match) {
+            continue
+          }
 
           const apiKeyId = match[1]
           const model = match[2]
           const modelData = modelDataMap.get(modelKey)
-          if (!modelData || !apiKeyDataMap.has(apiKeyId)) continue
+          if (!modelData || !apiKeyDataMap.has(apiKeyId)) {
+            continue
+          }
 
           const usage = {
             input_tokens: parseInt(modelData.inputTokens) || 0,
@@ -1972,7 +2052,7 @@ router.get('/usage-costs', authenticateAdmin, async (req, res) => {
     const modelCosts = {}
 
     // 按模型统计费用
-    const client = redis.getClientSafe()
+    const _client = redis.getClientSafe()
     const today = redis.getDateStringInTimezone()
     const tzDate = redis.getDateInTimezone()
     const currentMonth = `${tzDate.getUTCFullYear()}-${String(tzDate.getUTCMonth() + 1).padStart(
@@ -1980,11 +2060,11 @@ router.get('/usage-costs', authenticateAdmin, async (req, res) => {
       '0'
     )}`
 
-    let pattern
+    let _pattern
     if (period === 'today') {
-      pattern = `usage:model:daily:*:${today}`
+      _pattern = `usage:model:daily:*:${today}`
     } else if (period === 'monthly') {
-      pattern = `usage:model:monthly:*:${currentMonth}`
+      _pattern = `usage:model:monthly:*:${currentMonth}`
     } else if (period === '7days') {
       // 最近7天：汇总daily数据（使用 SCAN + Pipeline 优化）
       const modelUsageMap = new Map()
@@ -2014,10 +2094,14 @@ router.get('/usage-costs', authenticateAdmin, async (req, res) => {
 
       // 处理数据
       for (const { key, data } of allData) {
-        if (!data) continue
+        if (!data) {
+          continue
+        }
 
         const modelMatch = key.match(/usage:model:daily:(.+):\d{4}-\d{2}-\d{2}$/)
-        if (!modelMatch) continue
+        if (!modelMatch) {
+          continue
+        }
 
         const rawModel = modelMatch[1]
         const normalizedModel = normalizeModelName(rawModel)
@@ -2112,10 +2196,14 @@ router.get('/usage-costs', authenticateAdmin, async (req, res) => {
         const modelUsageMap = new Map()
 
         for (const { key, data } of allData) {
-          if (!data) continue
+          if (!data) {
+            continue
+          }
 
           const modelMatch = key.match(/usage:model:monthly:(.+):(\d{4}-\d{2})$/)
-          if (!modelMatch) continue
+          if (!modelMatch) {
+            continue
+          }
 
           const model = modelMatch[1]
 
@@ -2241,10 +2329,14 @@ router.get('/usage-costs', authenticateAdmin, async (req, res) => {
         : /usage:model:monthly:(.+):\d{4}-\d{2}$/
 
     for (const { key, data } of allData) {
-      if (!data) continue
+      if (!data) {
+        continue
+      }
 
       const match = key.match(regex)
-      if (!match) continue
+      if (!match) {
+        continue
+      }
 
       const model = match[1]
       const usage = {
diff --git a/src/routes/apiStats.js b/src/routes/apiStats.js
index 96ca590c..23c6d94a 100644
--- a/src/routes/apiStats.js
+++ b/src/routes/apiStats.js
@@ -701,7 +701,7 @@ router.post('/api/batch-model-stats', async (req, res) => {
       })
     }
 
-    const client = redis.getClientSafe()
+    const _client = redis.getClientSafe()
     const tzDate = redis.getDateInTimezone()
     const today = redis.getDateStringInTimezone()
     const currentMonth = `${tzDate.getFullYear()}-${String(tzDate.getMonth() + 1).padStart(2, '0')}`
@@ -940,7 +940,7 @@ router.post('/api/user-model-stats', async (req, res) => {
     )
 
     // 重用管理后台的模型统计逻辑，但只返回该API Key的数据
-    const client = redis.getClientSafe()
+    const _client = redis.getClientSafe()
     // 使用与管理页面相同的时区处理逻辑
     const tzDate = redis.getDateInTimezone()
     const today = redis.getDateStringInTimezone()
diff --git a/src/services/accountGroupService.js b/src/services/accountGroupService.js
index f4413204..3a79413b 100644
--- a/src/services/accountGroupService.js
+++ b/src/services/accountGroupService.js
@@ -18,7 +18,9 @@ class AccountGroupService {
   async ensureReverseIndexes() {
     try {
       const client = redis.getClientSafe()
-      if (!client) return
+      if (!client) {
+        return
+      }
 
       // 检查是否已迁移
       const migrated = await client.get(this.REVERSE_INDEX_MIGRATED_KEY)
@@ -39,10 +41,14 @@ class AccountGroupService {
 
       for (const groupId of allGroupIds) {
         const group = await client.hgetall(`${this.GROUP_PREFIX}${groupId}`)
-        if (!group || !group.platform) continue
+        if (!group || !group.platform) {
+          continue
+        }
 
         const members = await client.smembers(`${this.GROUP_MEMBERS_PREFIX}${groupId}`)
-        if (members.length === 0) continue
+        if (members.length === 0) {
+          continue
+        }
 
         const pipeline = client.pipeline()
         for (const accountId of members) {
diff --git a/src/services/apiKeyIndexService.js b/src/services/apiKeyIndexService.js
index cd8117e3..1a5963a1 100644
--- a/src/services/apiKeyIndexService.js
+++ b/src/services/apiKeyIndexService.js
@@ -71,7 +71,9 @@ class ApiKeyIndexService {
    * 扫描所有 API Key，确保 hash -> keyId 映射存在
    */
   async rebuildHashMap() {
-    if (!this.redis) return
+    if (!this.redis) {
+      return
+    }
 
     try {
       const client = this.redis.getClientSafe()
@@ -187,7 +189,9 @@ class ApiKeyIndexService {
         const pipeline = client.pipeline()
 
         for (const apiKey of apiKeys) {
-          if (!apiKey || !apiKey.id) continue
+          if (!apiKey || !apiKey.id) {
+            continue
+          }
 
           const keyId = apiKey.id
           const createdAt = apiKey.createdAt ? new Date(apiKey.createdAt).getTime() : 0
@@ -249,7 +253,9 @@ class ApiKeyIndexService {
    * 添加单个 API Key 到索引
    */
   async addToIndex(apiKey) {
-    if (!this.redis || !apiKey || !apiKey.id) return
+    if (!this.redis || !apiKey || !apiKey.id) {
+      return
+    }
 
     try {
       const client = this.redis.getClientSafe()
@@ -297,7 +303,9 @@ class ApiKeyIndexService {
    * 更新索引（状态、名称、标签变化时调用）
    */
   async updateIndex(keyId, updates, oldData = {}) {
-    if (!this.redis || !keyId) return
+    if (!this.redis || !keyId) {
+      return
+    }
 
     try {
       const client = this.redis.getClientSafe()
@@ -376,7 +384,9 @@ class ApiKeyIndexService {
    * 从索引中移除 API Key
    */
   async removeFromIndex(keyId, oldData = {}) {
-    if (!this.redis || !keyId) return
+    if (!this.redis || !keyId) {
+      return
+    }
 
     try {
       const client = this.redis.getClientSafe()
@@ -598,7 +608,9 @@ class ApiKeyIndexService {
    * 更新 lastUsedAt 索引（供 recordUsage 调用）
    */
   async updateLastUsedAt(keyId, lastUsedAt) {
-    if (!this.redis || !keyId) return
+    if (!this.redis || !keyId) {
+      return
+    }
 
     try {
       const client = this.redis.getClientSafe()
diff --git a/src/services/apiKeyService.js b/src/services/apiKeyService.js
index b71f4af2..982c9740 100644
--- a/src/services/apiKeyService.js
+++ b/src/services/apiKeyService.js
@@ -921,7 +921,9 @@ class ApiKeyService {
       return keyIds
         .map((id, i) => {
           const [err, fields] = results[i]
-          if (err) return null
+          if (err) {
+            return null
+          }
           return {
             id,
             claudeAccountId: fields[0] || null,
diff --git a/src/services/bedrockAccountService.js b/src/services/bedrockAccountService.js
index 42fc73e3..38c1c84a 100644
--- a/src/services/bedrockAccountService.js
+++ b/src/services/bedrockAccountService.js
@@ -127,7 +127,7 @@ class BedrockAccountService {
   // 📋 获取所有账户列表
   async getAllAccounts() {
     try {
-      const client = redis.getClientSafe()
+      const _client = redis.getClientSafe()
       const accountIds = await redis.getAllIdsByIndex(
         'bedrock_account:index',
         'bedrock_account:*',
diff --git a/src/services/ccrAccountService.js b/src/services/ccrAccountService.js
index c074d6cf..bc87e6cb 100644
--- a/src/services/ccrAccountService.js
+++ b/src/services/ccrAccountService.js
@@ -2,7 +2,7 @@ const { v4: uuidv4 } = require('uuid')
 const ProxyHelper = require('../utils/proxyHelper')
 const redis = require('../models/redis')
 const logger = require('../utils/logger')
-const config = require('../../config/config')
+// const config = require('../../config/config')
 const { createEncryptor } = require('../utils/commonHelper')
 
 class CcrAccountService {
diff --git a/src/services/droidAccountService.js b/src/services/droidAccountService.js
index 01e6fd91..a087b310 100644
--- a/src/services/droidAccountService.js
+++ b/src/services/droidAccountService.js
@@ -2,7 +2,7 @@ const { v4: uuidv4 } = require('uuid')
 const crypto = require('crypto')
 const axios = require('axios')
 const redis = require('../models/redis')
-const config = require('../../config/config')
+// const config = require('../../config/config')
 const logger = require('../utils/logger')
 const { maskToken } = require('../utils/tokenMask')
 const ProxyHelper = require('../utils/proxyHelper')
diff --git a/src/services/geminiAccountService.js b/src/services/geminiAccountService.js
index c40ecf5b..2360a561 100644
--- a/src/services/geminiAccountService.js
+++ b/src/services/geminiAccountService.js
@@ -1,7 +1,7 @@
 const redisClient = require('../models/redis')
 const { v4: uuidv4 } = require('uuid')
 const https = require('https')
-const config = require('../../config/config')
+// const config = require('../../config/config')
 const logger = require('../utils/logger')
 const { OAuth2Client } = require('google-auth-library')
 const { maskToken } = require('../utils/tokenMask')
@@ -19,6 +19,8 @@ const { createEncryptor } = require('../utils/commonHelper')
 // Gemini 账户键前缀
 const GEMINI_ACCOUNT_KEY_PREFIX = 'gemini_account:'
 
+const SHARED_GEMINI_ACCOUNTS_KEY = 'shared_gemini_accounts'
+const ACCOUNT_SESSION_MAPPING_PREFIX = 'gemini_session_account_mapping:'
 // Gemini CLI OAuth 配置 - 这些是公开的 Gemini CLI 凭据
 const OAUTH_CLIENT_ID = '681255809395-oo8ft2oprdrnp9e3aqf6av3hmdib135j.apps.googleusercontent.com'
 const OAUTH_CLIENT_SECRET = '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'
@@ -572,7 +574,7 @@ async function deleteAccount(accountId) {
 
 // 获取所有账户
 async function getAllAccounts() {
-  const client = redisClient.getClientSafe()
+  const _client = redisClient.getClientSafe()
   const accountIds = await redisClient.getAllIdsByIndex(
     'gemini_account:index',
     `${GEMINI_ACCOUNT_KEY_PREFIX}*`,
diff --git a/src/services/openaiAccountService.js b/src/services/openaiAccountService.js
index 21fd1569..32f0590b 100644
--- a/src/services/openaiAccountService.js
+++ b/src/services/openaiAccountService.js
@@ -666,7 +666,7 @@ async function deleteAccount(accountId) {
 
 // 获取所有账户
 async function getAllAccounts() {
-  const client = redisClient.getClientSafe()
+  const _client = redisClient.getClientSafe()
   const accountIds = await redisClient.getAllIdsByIndex(
     'openai:account:index',
     `${OPENAI_ACCOUNT_KEY_PREFIX}*`,
diff --git a/src/services/openaiResponsesAccountService.js b/src/services/openaiResponsesAccountService.js
index 708fa8b4..d61d3f3a 100644
--- a/src/services/openaiResponsesAccountService.js
+++ b/src/services/openaiResponsesAccountService.js
@@ -201,7 +201,9 @@ class OpenAIResponsesAccountService {
       `${this.ACCOUNT_KEY_PREFIX}*`,
       /^openai_responses_account:(.+)$/
     )
-    if (accountIds.length === 0) return []
+    if (accountIds.length === 0) {
+      return []
+    }
 
     const keys = accountIds.map((id) => `${this.ACCOUNT_KEY_PREFIX}${id}`)
     // Pipeline 批量查询所有账户数据
@@ -210,11 +212,15 @@ class OpenAIResponsesAccountService {
     const results = await pipeline.exec()
 
     const accounts = []
-    results.forEach(([err, accountData], index) => {
-      if (err || !accountData || !accountData.id) return
+    results.forEach(([err, accountData], _index) => {
+      if (err || !accountData || !accountData.id) {
+        return
+      }
 
       // 过滤非活跃账户
-      if (!includeInactive && accountData.isActive !== 'true') return
+      if (!includeInactive && accountData.isActive !== 'true') {
+        return
+      }
 
       // 隐藏敏感信息
       accountData.apiKey = '***'
diff --git a/src/utils/commonHelper.js b/src/utils/commonHelper.js
index 2615082f..81a11d72 100644
--- a/src/utils/commonHelper.js
+++ b/src/utils/commonHelper.js
@@ -17,33 +17,45 @@ const _encryptorCache = new Map()
 
 // 创建加密器实例（每个 salt 独立缓存）
 const createEncryptor = (salt) => {
-  if (_encryptorCache.has(salt)) return _encryptorCache.get(salt)
+  if (_encryptorCache.has(salt)) {
+    return _encryptorCache.get(salt)
+  }
 
   let keyCache = null
   const decryptCache = new LRUCache(500)
 
   const getKey = () => {
-    if (!keyCache) keyCache = crypto.scryptSync(config.security.encryptionKey, salt, 32)
+    if (!keyCache) {
+      keyCache = crypto.scryptSync(config.security.encryptionKey, salt, 32)
+    }
     return keyCache
   }
 
   const encrypt = (text) => {
-    if (!text) return ''
+    if (!text) {
+      return ''
+    }
     const key = getKey()
     const iv = crypto.randomBytes(IV_LENGTH)
     const cipher = crypto.createCipheriv(ALGORITHM, key, iv)
     let encrypted = cipher.update(text, 'utf8', 'hex')
     encrypted += cipher.final('hex')
-    return iv.toString('hex') + ':' + encrypted
+    return `${iv.toString('hex')}:${encrypted}`
   }
 
   const decrypt = (text, useCache = true) => {
-    if (!text) return ''
-    if (!text.includes(':')) return text
+    if (!text) {
+      return ''
+    }
+    if (!text.includes(':')) {
+      return text
+    }
     const cacheKey = crypto.createHash('sha256').update(text).digest('hex')
     if (useCache) {
       const cached = decryptCache.get(cacheKey)
-      if (cached !== undefined) return cached
+      if (cached !== undefined) {
+        return cached
+      }
     }
     try {
       const key = getKey()
@@ -52,7 +64,9 @@ const createEncryptor = (salt) => {
       const decipher = crypto.createDecipheriv(ALGORITHM, key, iv)
       let decrypted = decipher.update(encrypted, 'hex', 'utf8')
       decrypted += decipher.final('utf8')
-      if (useCache) decryptCache.set(cacheKey, decrypted, 5 * 60 * 1000)
+      if (useCache) {
+        decryptCache.set(cacheKey, decrypted, 5 * 60 * 1000)
+      }
       return decrypted
     } catch (e) {
       return text
@@ -73,8 +87,8 @@ const createEncryptor = (salt) => {
 
 // 默认加密器（向后兼容）
 const defaultEncryptor = createEncryptor('claude-relay-salt')
-const encrypt = defaultEncryptor.encrypt
-const decrypt = defaultEncryptor.decrypt
+const { encrypt } = defaultEncryptor
+const { decrypt } = defaultEncryptor
 const getEncryptionKey = defaultEncryptor.getKey
 const clearDecryptCache = defaultEncryptor.clearCache
 const getDecryptCacheStats = defaultEncryptor.getStats
@@ -90,7 +104,7 @@ const toBoolean = (value) =>
   (typeof value === 'string' && value.toLowerCase() === 'true')
 
 // 检查是否为真值（null/undefined 返回 false）
-const isTruthy = (value) => value != null && toBoolean(value)
+const isTruthy = (value) => value !== null && toBoolean(value)
 
 // 检查是否可调度（默认 true，只有明确 false 才返回 false）
 const isSchedulable = (value) => value !== false && value !== 'false'
@@ -100,8 +114,12 @@ const isActive = (value) => value === true || value === 'true'
 
 // 检查账户是否健康（激活且状态正常）
 const isAccountHealthy = (account) => {
-  if (!account) return false
-  if (!isTruthy(account.isActive)) return false
+  if (!account) {
+    return false
+  }
+  if (!isTruthy(account.isActive)) {
+    return false
+  }
   const status = (account.status || 'active').toLowerCase()
   return !['error', 'unauthorized', 'blocked', 'temp_error'].includes(status)
 }
@@ -112,7 +130,9 @@ const isAccountHealthy = (account) => {
 
 // 安全解析 JSON
 const safeParseJson = (value, fallback = null) => {
-  if (!value || typeof value !== 'string') return fallback
+  if (!value || typeof value !== 'string') {
+    return fallback
+  }
   try {
     return JSON.parse(value)
   } catch {
@@ -138,7 +158,9 @@ const safeParseJsonArray = (value, fallback = []) => {
 
 // 规范化模型名称（用于统计聚合）
 const normalizeModelName = (model) => {
-  if (!model || model === 'unknown') return model
+  if (!model || model === 'unknown') {
+    return model
+  }
   // Bedrock 模型: us-east-1.anthropic.claude-3-5-sonnet-v1:0
   if (model.includes('.anthropic.') || model.includes('.claude')) {
     return model
@@ -151,26 +173,38 @@ const normalizeModelName = (model) => {
 
 // 规范化端点类型
 const normalizeEndpointType = (endpointType) => {
-  if (!endpointType) return 'anthropic'
+  if (!endpointType) {
+    return 'anthropic'
+  }
   const normalized = String(endpointType).toLowerCase()
   return ['openai', 'comm', 'anthropic'].includes(normalized) ? normalized : 'anthropic'
 }
 
 // 检查模型是否在映射表中
 const isModelInMapping = (modelMapping, requestedModel) => {
-  if (!modelMapping || Object.keys(modelMapping).length === 0) return true
-  if (Object.prototype.hasOwnProperty.call(modelMapping, requestedModel)) return true
+  if (!modelMapping || Object.keys(modelMapping).length === 0) {
+    return true
+  }
+  if (Object.prototype.hasOwnProperty.call(modelMapping, requestedModel)) {
+    return true
+  }
   const lower = requestedModel.toLowerCase()
   return Object.keys(modelMapping).some((k) => k.toLowerCase() === lower)
 }
 
 // 获取映射后的模型名称
 const getMappedModelName = (modelMapping, requestedModel) => {
-  if (!modelMapping || Object.keys(modelMapping).length === 0) return requestedModel
-  if (modelMapping[requestedModel]) return modelMapping[requestedModel]
+  if (!modelMapping || Object.keys(modelMapping).length === 0) {
+    return requestedModel
+  }
+  if (modelMapping[requestedModel]) {
+    return modelMapping[requestedModel]
+  }
   const lower = requestedModel.toLowerCase()
   for (const [key, value] of Object.entries(modelMapping)) {
-    if (key.toLowerCase() === lower) return value
+    if (key.toLowerCase() === lower) {
+      return value
+    }
   }
   return requestedModel
 }
@@ -180,30 +214,34 @@ const getMappedModelName = (modelMapping, requestedModel) => {
 // ============================================
 
 // 按优先级和最后使用时间排序账户
-const sortAccountsByPriority = (accounts) => {
-  return [...accounts].sort((a, b) => {
+const sortAccountsByPriority = (accounts) =>
+  [...accounts].sort((a, b) => {
     const priorityA = parseInt(a.priority, 10) || 50
     const priorityB = parseInt(b.priority, 10) || 50
-    if (priorityA !== priorityB) return priorityA - priorityB
+    if (priorityA !== priorityB) {
+      return priorityA - priorityB
+    }
     const lastUsedA = a.lastUsedAt ? new Date(a.lastUsedAt).getTime() : 0
     const lastUsedB = b.lastUsedAt ? new Date(b.lastUsedAt).getTime() : 0
-    if (lastUsedA !== lastUsedB) return lastUsedA - lastUsedB
+    if (lastUsedA !== lastUsedB) {
+      return lastUsedA - lastUsedB
+    }
     const createdA = a.createdAt ? new Date(a.createdAt).getTime() : 0
     const createdB = b.createdAt ? new Date(b.createdAt).getTime() : 0
     return createdA - createdB
   })
-}
 
 // 生成粘性会话 Key
 const composeStickySessionKey = (prefix, sessionHash, apiKeyId = null) => {
-  if (!sessionHash) return null
+  if (!sessionHash) {
+    return null
+  }
   return `sticky:${prefix}:${apiKeyId || 'default'}:${sessionHash}`
 }
 
 // 过滤可用账户（激活 + 健康 + 可调度）
-const filterAvailableAccounts = (accounts) => {
-  return accounts.filter((acc) => acc && isAccountHealthy(acc) && isSchedulable(acc.schedulable))
-}
+const filterAvailableAccounts = (accounts) =>
+  accounts.filter((acc) => acc && isAccountHealthy(acc) && isSchedulable(acc.schedulable))
 
 // ============================================
 // 字符串处理
@@ -211,13 +249,17 @@ const filterAvailableAccounts = (accounts) => {
 
 // 截断字符串
 const truncate = (str, maxLen = 100, suffix = '...') => {
-  if (!str || str.length <= maxLen) return str
+  if (!str || str.length <= maxLen) {
+    return str
+  }
   return str.slice(0, maxLen - suffix.length) + suffix
 }
 
 // 掩码敏感信息（保留前后几位）
 const maskSensitive = (str, keepStart = 4, keepEnd = 4, maskChar = '*') => {
-  if (!str || str.length <= keepStart + keepEnd) return str
+  if (!str || str.length <= keepStart + keepEnd) {
+    return str
+  }
   const maskLen = Math.min(str.length - keepStart - keepEnd, 8)
   return str.slice(0, keepStart) + maskChar.repeat(maskLen) + str.slice(-keepEnd)
 }
@@ -246,9 +288,8 @@ const clamp = (value, min, max) => Math.min(Math.max(value, min), max)
 // ============================================
 
 // 获取时区偏移后的日期
-const getDateInTimezone = (date = new Date(), offset = config.system?.timezoneOffset || 8) => {
-  return new Date(date.getTime() + offset * 3600000)
-}
+const getDateInTimezone = (date = new Date(), offset = config.system?.timezoneOffset || 8) =>
+  new Date(date.getTime() + offset * 3600000)
 
 // 获取时区日期字符串 YYYY-MM-DD
 const getDateStringInTimezone = (date = new Date()) => {
@@ -258,13 +299,17 @@ const getDateStringInTimezone = (date = new Date()) => {
 
 // 检查是否过期
 const isExpired = (expiresAt) => {
-  if (!expiresAt) return false
+  if (!expiresAt) {
+    return false
+  }
   return new Date(expiresAt).getTime() < Date.now()
 }
 
 // 计算剩余时间（秒）
 const getTimeRemaining = (expiresAt) => {
-  if (!expiresAt) return Infinity
+  if (!expiresAt) {
+    return Infinity
+  }
   return Math.max(0, Math.floor((new Date(expiresAt).getTime() - Date.now()) / 1000))
 }