diff --git a/frontend/src/views/admin/AliasManagement.vue b/frontend/src/views/admin/AliasManagement.vue
index fd49cb2..774ecb3 100644
--- a/frontend/src/views/admin/AliasManagement.vue
+++ b/frontend/src/views/admin/AliasManagement.vue
@@ -252,6 +252,7 @@ import {
 } from '@/api/endpoints/aliases'
 import { listGlobalModels, type GlobalModelResponse } from '@/api/global-models'
 import { getProvidersSummary } from '@/api/endpoints/providers'
+import { log } from '@/utils/logger'
 
 const { success, error: showError } = useToast()
 const { confirmDanger } = useConfirm()
@@ -332,7 +333,7 @@ async function loadGlobalModelsList() {
     const response = await listGlobalModels()
     globalModels.value = response.models || []
   } catch (err: any) {
-    console.error('加载模型失败:', err)
+    log.error('加载模型失败:', err)
   }
 }
 
diff --git a/frontend/src/views/admin/ApiKeys.vue b/frontend/src/views/admin/ApiKeys.vue
index fb90ebb..7c47a64 100644
--- a/frontend/src/views/admin/ApiKeys.vue
+++ b/frontend/src/views/admin/ApiKeys.vue
@@ -689,6 +689,7 @@ import {
 
 import { StandaloneKeyFormDialog, type StandaloneKeyFormData } from '@/features/api-keys'
 import { parseNumberInput } from '@/utils/form'
+import { log } from '@/utils/logger'
 
 const { success, error } = useToast()
 const { confirmDanger } = useConfirm()
@@ -803,7 +804,7 @@ async function loadApiKeys() {
     apiKeys.value = response.api_keys
     total.value = response.total
   } catch (err: any) {
-    console.error('加载独立Keys失败:', err)
+    log.error('加载独立Keys失败:', err)
     error(err.response?.data?.detail || '加载独立 Keys 失败')
   } finally {
     loading.value = false
@@ -824,7 +825,7 @@ async function toggleApiKey(apiKey: AdminApiKey) {
     }
     success(response.message)
   } catch (err: any) {
-    console.error('切换密钥状态失败:', err)
+    log.error('切换密钥状态失败:', err)
     error(err.response?.data?.detail || '操作失败')
   }
 }
@@ -843,7 +844,7 @@ async function deleteApiKey(apiKey: AdminApiKey) {
     total.value = total.value - 1
     success(response.message)
   } catch (err: any) {
-    console.error('删除密钥失败:', err)
+    log.error('删除密钥失败:', err)
     error(err.response?.data?.detail || '删除失败')
   }
 }
@@ -916,7 +917,7 @@ async function handleAddBalance() {
     const amount = Math.abs(addBalanceAmount.value).toFixed(2)
     success(response.message || `余额${action}成功，${action} $${amount}`)
   } catch (err: any) {
-    console.error('余额调整失败:', err)
+    log.error('余额调整失败:', err)
     error(err.response?.data?.detail || '调整失败')
   } finally {
     addingBalance.value = false
@@ -931,7 +932,7 @@ async function copyKey() {
   try {
     await navigator.clipboard.writeText(newKeyValue.value)
     success('API Key 已复制到剪贴板')
-  } catch (err) {
+  } catch {
     error('复制失败，请手动复制')
   }
 }
@@ -943,7 +944,7 @@ async function copyKeyPrefix(apiKey: AdminApiKey) {
     await navigator.clipboard.writeText(response.key)
     success('完整密钥已复制到剪贴板')
   } catch (err) {
-    console.error('复制密钥失败:', err)
+    log.error('复制密钥失败:', err)
     error('复制失败，请重试')
   }
 }
@@ -1077,7 +1078,7 @@ async function handleKeyFormSubmit(data: StandaloneKeyFormData) {
     closeKeyFormDialog()
     await loadApiKeys()
   } catch (err: any) {
-    console.error('保存独立Key失败:', err)
+    log.error('保存独立Key失败:', err)
     error(err.response?.data?.detail || '保存失败')
   } finally {
     keyFormDialogRef.value?.setSaving(false)
diff --git a/frontend/src/views/admin/AuditLogs.vue b/frontend/src/views/admin/AuditLogs.vue
index fd6a1c8..cb52e5e 100644
--- a/frontend/src/views/admin/AuditLogs.vue
+++ b/frontend/src/views/admin/AuditLogs.vue
@@ -460,7 +460,7 @@ async function loadLogs() {
     logs.value = data.items || []
     totalRecords.value = data.meta?.total ?? logs.value.length
   } catch (error) {
-    console.error('获取审计日志失败:', error)
+    log.error('获取审计日志失败:', error)
     logs.value = []
     totalRecords.value = 0
   } finally {
@@ -472,19 +472,6 @@ function refreshLogs() {
   loadLogs()
 }
 
-function clearFilters() {
-  filters.value = {
-    userId: '',
-    eventType: '__all__',
-    days: 7,
-    limit: 50
-  }
-  filtersDaysString.value = '7'
-  filtersLimitString.value = '50'
-  currentPage.value = 1
-  loadLogs()
-}
-
 // 搜索变化处理
 function handleSearchChange() {
   filters.value.userId = searchQuery.value
@@ -519,12 +506,6 @@ function handleDaysChange(value: string) {
   resetAndLoad()
 }
 
-function handleLimitChange(value: string) {
-  filtersLimitString.value = value
-  filters.value.limit = parseInt(value)
-  loadLogs()
-}
-
 function resetAndLoad() {
   currentPage.value = 1
   loadLogs()
@@ -578,12 +559,13 @@ async function exportLogs() {
     link.download = `audit-logs-${new Date().toISOString().split('T')[0]}.csv`
     link.click()
   } catch (error) {
-    console.error('导出失败:', error)
+    log.error('导出失败:', error)
   }
 }
 
 // 使用复用的行点击逻辑
 import { useRowClick } from '@/composables/useRowClick'
+import { log } from '@/utils/logger'
 const { handleMouseDown, shouldTriggerRowClick } = useRowClick()
 
 function handleRowClick(event: MouseEvent, log: AuditLog) {
diff --git a/frontend/src/views/admin/CacheMonitoring.vue b/frontend/src/views/admin/CacheMonitoring.vue
index 56edc97..1540ebc 100644
--- a/frontend/src/views/admin/CacheMonitoring.vue
+++ b/frontend/src/views/admin/CacheMonitoring.vue
@@ -31,6 +31,7 @@ import {
   getFrequencyLabel,
   getFrequencyClass
 } from '@/composables/useTTLAnalysis'
+import { log } from '@/utils/logger'
 
 // ==================== 缓存统计与亲和性列表 ====================
 
@@ -84,7 +85,7 @@ async function fetchCacheStats() {
     stats.value = await cacheApi.getStats()
   } catch (error) {
     showError('获取缓存统计失败')
-    console.error(error)
+    log.error('获取缓存统计失败', error)
   } finally {
     loading.value = false
   }
@@ -94,7 +95,7 @@ async function fetchCacheConfig() {
   try {
     config.value = await cacheApi.getConfig()
   } catch (error) {
-    console.error(error)
+    log.error('获取缓存配置失败', error)
   }
 }
 
@@ -110,7 +111,7 @@ async function fetchAffinityList(keyword?: string) {
     }
   } catch (error) {
     showError('获取缓存列表失败')
-    console.error(error)
+    log.error('获取缓存列表失败', error)
   } finally {
     listLoading.value = false
   }
@@ -159,7 +160,7 @@ async function clearUserCache(identifier: string, displayName?: string) {
     await fetchAffinityList(tableKeyword.value.trim() || undefined)
   } catch (error) {
     showError('清除失败')
-    console.error(error)
+    log.error('清除用户缓存失败', error)
   } finally {
     clearingRowAffinityKey.value = null
   }
@@ -189,7 +190,7 @@ async function clearAllCache() {
     await fetchAffinityList(tableKeyword.value.trim() || undefined)
   } catch (error) {
     showError('清除失败')
-    console.error(error)
+    log.error('清除所有缓存失败', error)
   }
 }
 
diff --git a/frontend/src/views/admin/ModelManagement.vue b/frontend/src/views/admin/ModelManagement.vue
index 35dcc30..711d784 100644
--- a/frontend/src/views/admin/ModelManagement.vue
+++ b/frontend/src/views/admin/ModelManagement.vue
@@ -664,6 +664,7 @@ import {
   batchAssignToProviders,
   type GlobalModelResponse,
 } from '@/api/global-models'
+import { log } from '@/utils/logger'
 import {
   getAliases,
   createAlias,
@@ -997,7 +998,7 @@ async function loadGlobalModels() {
     // API 返回 { models: [...], total: number }
     globalModels.value = response.models || []
   } catch (err: any) {
-    console.error('加载模型失败:', err)
+    log.error('加载模型失败:', err)
     showError(err.response?.data?.detail || err.message, '加载模型失败')
   } finally {
     loading.value = false
@@ -1075,7 +1076,7 @@ async function loadModelProviders(_globalModelId: string) {
       selectedModelProviders.value = []
     }
   } catch (err: any) {
-    console.error('加载关联提供商失败:', err)
+    log.error('加载关联提供商失败:', err)
     showError(parseApiError(err, '加载关联提供商失败'), '错误')
     selectedModelProviders.value = []
   } finally {
@@ -1090,7 +1091,7 @@ async function loadModelAliases(globalModelId: string) {
     const aliases = await getAliases({ limit: 1000 })
     selectedModelAliases.value = aliases.filter(a => a.global_model_id === globalModelId)
   } catch (err: any) {
-    console.error('加载别名失败:', err)
+    log.error('加载别名失败:', err)
     selectedModelAliases.value = []
   } finally {
     loadingModelAliases.value = false
@@ -1295,12 +1296,6 @@ async function loadAliases() {
   }
 }
 
-function openCreateAliasDialog() {
-  editingAliasId.value = null
-  isTargetModelFixed.value = false  // 目标模型需要选择
-  createAliasDialogOpen.value = true
-}
-
 function openEditAliasDialog(alias: ModelAlias) {
   editingAliasId.value = alias.id
   isTargetModelFixed.value = false
@@ -1409,7 +1404,7 @@ async function loadCapabilities() {
   try {
     capabilities.value = await getAllCapabilities()
   } catch (err) {
-    console.error('Failed to load capabilities:', err)
+    log.error('Failed to load capabilities:', err)
   }
 }
 
diff --git a/frontend/src/views/admin/SystemSettings.vue b/frontend/src/views/admin/SystemSettings.vue
index cf5b658..8ddf4eb 100644
--- a/frontend/src/views/admin/SystemSettings.vue
+++ b/frontend/src/views/admin/SystemSettings.vue
@@ -392,6 +392,7 @@ import SelectItem from '@/components/ui/select-item.vue'
 import { PageHeader, PageContainer, CardSection } from '@/components/layout'
 import { useToast } from '@/composables/useToast'
 import { adminApi } from '@/api/admin'
+import { log } from '@/utils/logger'
 
 const { success, error } = useToast()
 
@@ -508,13 +509,13 @@ async function loadSystemConfig() {
         if (response.value !== null && response.value !== undefined) {
           (systemConfig.value as any)[key] = response.value
         }
-      } catch (err) {
+      } catch {
         // 配置不存在时使用默认值，无需处理
       }
     }
   } catch (err) {
     error('加载系统配置失败')
-    console.error('加载系统配置失败:', err)
+    log.error('加载系统配置失败:', err)
   }
 }
 
@@ -617,7 +618,7 @@ async function saveSystemConfig() {
     success('系统配置已保存')
   } catch (err) {
     error('保存配置失败')
-    console.error('保存配置失败:', err)
+    log.error('保存配置失败:', err)
   } finally {
     loading.value = false
   }
diff --git a/frontend/src/views/admin/Users.vue b/frontend/src/views/admin/Users.vue
index 8baaca0..424c397 100644
--- a/frontend/src/views/admin/Users.vue
+++ b/frontend/src/views/admin/Users.vue
@@ -678,6 +678,7 @@ import {
 
 // 功能组件
 import UserFormDialog, { type UserFormData } from '@/features/users/components/UserFormDialog.vue'
+import { log } from '@/utils/logger'
 
 const { success, error } = useToast()
 const { confirmDanger, confirmWarning } = useConfirm()
@@ -775,7 +776,7 @@ async function loadUserStats() {
       return acc
     }, {})
   } catch (err) {
-    console.error('加载用户统计失败:', err)
+    log.error('加载用户统计失败:', err)
   } finally {
     loadingStats.value = false
   }
@@ -900,7 +901,7 @@ async function loadUserApiKeys(userId: string) {
   try {
     userApiKeys.value = await usersStore.getUserApiKeys(userId)
   } catch (err) {
-    console.error('加载API Keys失败:', err)
+    log.error('加载API Keys失败:', err)
     userApiKeys.value = []
   }
 }
@@ -932,7 +933,7 @@ async function copyApiKey() {
   try {
     await navigator.clipboard.writeText(newApiKey.value)
     success('API Key已复制到剪贴板')
-  } catch (err) {
+  } catch {
     error('复制失败，请手动复制')
   }
 }
@@ -966,7 +967,7 @@ async function copyFullKey(apiKey: any) {
     await navigator.clipboard.writeText(response.key)
     success('完整密钥已复制到剪贴板')
   } catch (err: any) {
-    console.error('复制密钥失败:', err)
+    log.error('复制密钥失败:', err)
     error(err.response?.data?.detail || '未知错误', '复制密钥失败')
   }
 }
@@ -1002,24 +1003,4 @@ async function deleteUser(user: any) {
     error(err.response?.data?.detail || '未知错误', '删除用户失败')
   }
 }
-
-function getRelativeTime(dateString: string): string {
-  const date = new Date(dateString)
-  const now = new Date()
-  const diff = now.getTime() - date.getTime()
-
-  const seconds = Math.floor(diff / 1000)
-  const minutes = Math.floor(seconds / 60)
-  const hours = Math.floor(minutes / 60)
-  const days = Math.floor(hours / 24)
-  const months = Math.floor(days / 30)
-  const years = Math.floor(days / 365)
-
-  if (years > 0) return `${years}年前`
-  if (months > 0) return `${months}月前`
-  if (days > 0) return `${days}天前`
-  if (hours > 0) return `${hours}小时前`
-  if (minutes > 0) return `${minutes}分钟前`
-  return '刚刚'
-}
 </script>