diff --git a/web/admin-spa/src/components/accounts/AccountForm.vue b/web/admin-spa/src/components/accounts/AccountForm.vue
index c26db224..0e3688ca 100644
--- a/web/admin-spa/src/components/accounts/AccountForm.vue
+++ b/web/admin-spa/src/components/accounts/AccountForm.vue
@@ -1847,14 +1847,14 @@
                   <input
                     v-model="mapping.from"
                     class="form-input flex-1"
-                    placeholder="原始模型名称"
+                    :placeholder="t('accountForm.originalModelName')"
                     type="text"
                   />
                   <i class="fas fa-arrow-right text-gray-400" />
                   <input
                     v-model="mapping.to"
                     class="form-input flex-1"
-                    placeholder="映射后的模型名称"
+                    :placeholder="t('accountForm.mappedModelName')"
                     type="text"
                   />
                   <button
@@ -1874,7 +1874,7 @@
                 @click="addModelMapping"
               >
                 <i class="fas fa-plus mr-2" />
-                添加模型映射
+                {{ t('accountForm.addModelMapping') }}
               </button>
 
               <!-- 快捷添加按钮 -->
diff --git a/web/admin-spa/src/components/common/ConfirmModal.vue b/web/admin-spa/src/components/common/ConfirmModal.vue
index 5ea5b512..1b5fa7af 100644
--- a/web/admin-spa/src/components/common/ConfirmModal.vue
+++ b/web/admin-spa/src/components/common/ConfirmModal.vue
@@ -25,13 +25,13 @@
             class="flex-1 rounded-xl bg-gray-100 px-4 py-2.5 font-medium text-gray-700 transition-colors hover:bg-gray-200 dark:bg-gray-700 dark:text-gray-200 dark:hover:bg-gray-600"
             @click="$emit('cancel')"
           >
-            {{ cancelText }}
+            {{ cancelLabel }}
           </button>
           <button
             class="flex-1 rounded-xl bg-gradient-to-r from-yellow-500 to-orange-500 px-4 py-2.5 font-medium text-white shadow-sm transition-colors hover:from-yellow-600 hover:to-orange-600"
             @click="$emit('confirm')"
           >
-            {{ confirmText }}
+            {{ confirmLabel }}
           </button>
         </div>
       </div>
@@ -40,11 +40,12 @@
 </template>
 
 <script setup>
+import { computed } from 'vue'
 import { useI18n } from 'vue-i18n'
 
 const { t } = useI18n()
 
-defineProps({
+const props = defineProps({
   show: {
     type: Boolean,
     required: true
@@ -59,14 +60,17 @@ defineProps({
   },
   confirmText: {
     type: String,
-    default: () => t('common.confirmModal.continue')
+    default: ''
   },
   cancelText: {
     type: String,
-    default: () => t('common.confirmModal.cancel')
+    default: ''
   }
 })
 
+const confirmLabel = computed(() => props.confirmText || t('common.confirmModal.continue'))
+const cancelLabel = computed(() => props.cancelText || t('common.confirmModal.cancel'))
+
 defineEmits(['confirm', 'cancel'])
 </script>
 
diff --git a/web/admin-spa/src/components/common/CustomDropdown.vue b/web/admin-spa/src/components/common/CustomDropdown.vue
index b476624f..d91228cd 100644
--- a/web/admin-spa/src/components/common/CustomDropdown.vue
+++ b/web/admin-spa/src/components/common/CustomDropdown.vue
@@ -11,7 +11,7 @@
       <span
         class="select-none whitespace-nowrap text-sm font-medium text-gray-700 dark:text-gray-200"
       >
-        {{ selectedLabel || placeholder }}
+        {{ selectedLabel || placeholderText }}
       </span>
       <i
         :class="[
@@ -80,7 +80,7 @@ const props = defineProps({
   },
   placeholder: {
     type: String,
-    default: () => t('common.customDropdown.placeholder')
+    default: ''
   },
   icon: {
     type: String,
@@ -99,6 +99,8 @@ const triggerRef = ref(null)
 const dropdownRef = ref(null)
 const dropdownStyle = ref({})
 
+const placeholderText = computed(() => props.placeholder || t('common.customDropdown.placeholder'))
+
 const selectedLabel = computed(() => {
   const selected = props.options.find((opt) => opt.value === props.modelValue)
   return selected ? selected.label : ''
diff --git a/web/admin-spa/src/config/app.js b/web/admin-spa/src/config/app.js
index 23fbe856..2f65accf 100644
--- a/web/admin-spa/src/config/app.js
+++ b/web/admin-spa/src/config/app.js
@@ -4,7 +4,7 @@ export const APP_CONFIG = {
   basePath: import.meta.env.VITE_APP_BASE_URL || (import.meta.env.DEV ? '/admin/' : '/web/admin/'),
 
   // 应用标题
-  title: import.meta.env.VITE_APP_TITLE || 'Claude Relay Service - 管理后台',
+  title: import.meta.env.VITE_APP_TITLE || 'Claude Relay Service - Admin Panel',
 
   // 是否为开发环境
   isDev: import.meta.env.DEV,
diff --git a/web/admin-spa/src/router/index.js b/web/admin-spa/src/router/index.js
index 16a2b50a..afd13807 100644
--- a/web/admin-spa/src/router/index.js
+++ b/web/admin-spa/src/router/index.js
@@ -2,6 +2,7 @@ import { createRouter, createWebHistory } from 'vue-router'
 import { useAuthStore } from '@/stores/auth'
 import { useUserStore } from '@/stores/user'
 import { APP_CONFIG } from '@/config/app'
+import { showToast } from '@/utils/toast'
 
 // 路由懒加载
 const LoginView = () => import('@/views/LoginView.vue')
@@ -150,7 +151,7 @@ router.beforeEach(async (to, from, next) => {
   const authStore = useAuthStore()
   const userStore = useUserStore()
 
-  console.log('路由导航:', {
+  console.log('Router navigation:', {
     to: to.path,
     from: from.path,
     fullPath: to.fullPath,
@@ -177,8 +178,6 @@ router.beforeEach(async (to, from, next) => {
       } catch (error) {
         // If the error is about disabled account, redirect to login with error
         if (error.message && error.message.includes('disabled')) {
-          // Import showToast to display the error
-          const { showToast } = await import('@/utils/toast')
           showToast(error.message, 'error')
         }
         return next('/user-login')
diff --git a/web/admin-spa/src/stores/accounts.js b/web/admin-spa/src/stores/accounts.js
index b679ec3c..9ca33b4f 100644
--- a/web/admin-spa/src/stores/accounts.js
+++ b/web/admin-spa/src/stores/accounts.js
@@ -204,7 +204,9 @@ export const useAccountsStore = defineStore('accounts', () => {
         await fetchClaudeConsoleAccounts()
         return response.data
       } else {
-        throw new Error(response.message || '创建Claude Console账户失败')
+        throw new Error(
+          response.message || i18n.global.t('common.errors.createClaudeConsoleAccountFailed')
+        )
       }
     } catch (err) {
       error.value = err.message
@@ -284,7 +286,9 @@ export const useAccountsStore = defineStore('accounts', () => {
         await fetchAzureOpenAIAccounts()
         return response.data
       } else {
-        throw new Error(response.message || '创建Azure OpenAI账户失败')
+        throw new Error(
+          response.message || i18n.global.t('common.errors.createAzureOpenAIAccountFailed')
+        )
       }
     } catch (err) {
       error.value = err.message
@@ -344,7 +348,9 @@ export const useAccountsStore = defineStore('accounts', () => {
         await fetchClaudeConsoleAccounts()
         return response
       } else {
-        throw new Error(response.message || '更新Claude Console账户失败')
+        throw new Error(
+          response.message || i18n.global.t('common.errors.updateClaudeConsoleAccountFailed')
+        )
       }
     } catch (err) {
       error.value = err.message
@@ -424,7 +430,9 @@ export const useAccountsStore = defineStore('accounts', () => {
         await fetchAzureOpenAIAccounts()
         return response
       } else {
-        throw new Error(response.message || '更新Azure OpenAI账户失败')
+        throw new Error(
+          response.message || i18n.global.t('common.errors.updateAzureOpenAIAccountFailed')
+        )
       }
     } catch (err) {
       error.value = err.message
@@ -624,7 +632,9 @@ export const useAccountsStore = defineStore('accounts', () => {
       if (response.success) {
         return response.data // 返回整个对象，包含authUrl和sessionId
       } else {
-        throw new Error(response.message || '生成Setup Token URL失败')
+        throw new Error(
+          response.message || i18n.global.t('common.errors.generateSetupTokenUrlFailed')
+        )
       }
     } catch (err) {
       error.value = err.message
@@ -642,7 +652,7 @@ export const useAccountsStore = defineStore('accounts', () => {
       if (response.success) {
         return response.data
       } else {
-        throw new Error(response.message || '交换Setup Token授权码失败')
+        throw new Error(response.message || i18n.global.t('common.errors.exchangeSetupTokenFailed'))
       }
     } catch (err) {
       error.value = err.message
diff --git a/web/admin-spa/src/stores/apiKeys.js b/web/admin-spa/src/stores/apiKeys.js
index c2d0d727..4b38afd3 100644
--- a/web/admin-spa/src/stores/apiKeys.js
+++ b/web/admin-spa/src/stores/apiKeys.js
@@ -145,7 +145,7 @@ export const useApiKeysStore = defineStore('apiKeys', () => {
         throw new Error(response.message || i18n.global.t('apiKeys.operationFailed'))
       }
     } catch (err) {
-      console.error('获取API Key统计失败:', err)
+      console.error(i18n.global.t('common.errors.getApiKeyStatsFailed'), err)
       return null
     }
   }
@@ -170,7 +170,7 @@ export const useApiKeysStore = defineStore('apiKeys', () => {
         throw new Error(response.message || i18n.global.t('apiKeys.operationFailed'))
       }
     } catch (err) {
-      console.error('获取标签失败:', err)
+      console.error(i18n.global.t('common.errors.getTagsFailed'), err)
       return []
     }
   }
diff --git a/web/admin-spa/src/stores/apistats.js b/web/admin-spa/src/stores/apistats.js
index 582017c0..36ec781d 100644
--- a/web/admin-spa/src/stores/apistats.js
+++ b/web/admin-spa/src/stores/apistats.js
@@ -367,7 +367,7 @@ export const useApiStatsStore = defineStore('apistats', () => {
       })
 
       if (validIds.length === 0) {
-        throw new Error('所有 API Key 都无效')
+        throw new Error(i18n.global.t('common.errors.allApiKeysInvalid'))
       }
 
       apiIds.value = validIds
diff --git a/web/admin-spa/src/stores/auth.js b/web/admin-spa/src/stores/auth.js
index 465a0f13..61240b71 100644
--- a/web/admin-spa/src/stores/auth.js
+++ b/web/admin-spa/src/stores/auth.js
@@ -107,7 +107,7 @@ export const useAuthStore = defineStore('auth', () => {
         }
       }
     } catch (error) {
-      console.error('加载OEM设置失败:', error)
+      console.error(i18n.global.t('common.errors.loadOemSettingsFailed'), error)
     } finally {
       oemLoading.value = false
     }
diff --git a/web/admin-spa/src/stores/dashboard.js b/web/admin-spa/src/stores/dashboard.js
index 9f3ea2d0..9531fcb1 100644
--- a/web/admin-spa/src/stores/dashboard.js
+++ b/web/admin-spa/src/stores/dashboard.js
@@ -3,7 +3,6 @@ import { ref, computed } from 'vue'
 import { apiClient } from '@/config/api'
 import { showToast } from '@/utils/toast'
 import i18n from '@/i18n'
-import i18n from '@/i18n'
 
 export const useDashboardStore = defineStore('dashboard', () => {
   // 状态
@@ -43,7 +42,7 @@ export const useDashboardStore = defineStore('dashboard', () => {
     realtimeTPM: 0,
     metricsWindow: 5,
     isHistoricalMetrics: false,
-    systemStatus: '正常',
+    systemStatus: i18n.global.t('system.status.normal'),
     uptime: 0,
     systemTimezone: 8 // 默认 UTC+8
   })
@@ -200,7 +199,9 @@ export const useDashboardStore = defineStore('dashboard', () => {
           realtimeTPM: realtimeMetrics.tpm || 0,
           metricsWindow: realtimeMetrics.windowMinutes || 5,
           isHistoricalMetrics: realtimeMetrics.isHistorical || false,
-          systemStatus: systemHealth.redisConnected ? '正常' : '异常',
+          systemStatus: systemHealth.redisConnected
+            ? i18n.global.t('system.status.normal')
+            : i18n.global.t('system.status.abnormal'),
           uptime: systemHealth.uptime || 0,
           systemTimezone: dashboardResponse.data.systemTimezone || 8
         }
@@ -220,7 +221,7 @@ export const useDashboardStore = defineStore('dashboard', () => {
         }
       }
     } catch (error) {
-      console.error('加载仪表板数据失败:', error)
+      console.error(i18n.global.t('common.errors.loadDashboardFailed'), error)
     } finally {
       loading.value = false
     }
@@ -308,7 +309,7 @@ export const useDashboardStore = defineStore('dashboard', () => {
         trendData.value = response.data
       }
     } catch (error) {
-      console.error('加载使用趋势失败:', error)
+      console.error(i18n.global.t('common.errors.loadUsageTrendFailed'), error)
     }
   }
 
@@ -399,7 +400,7 @@ export const useDashboardStore = defineStore('dashboard', () => {
         dashboardModelStats.value = response.data
       }
     } catch (error) {
-      console.error('加载模型统计失败:', error)
+      console.error(i18n.global.t('common.errors.loadModelStatsFailed'), error)
     }
   }
 
@@ -501,7 +502,7 @@ export const useDashboardStore = defineStore('dashboard', () => {
         }
       }
     } catch (error) {
-      console.error('加载API Keys趋势失败:', error)
+      console.error(i18n.global.t('common.errors.loadApiKeysTrendFailed'), error)
     }
   }
 
diff --git a/web/admin-spa/src/views/DashboardView.vue b/web/admin-spa/src/views/DashboardView.vue
index 60e8dbbc..9cd16612 100644
--- a/web/admin-spa/src/views/DashboardView.vue
+++ b/web/admin-spa/src/views/DashboardView.vue
@@ -309,13 +309,13 @@
                   }}</span></span
                 >
                 <span v-if="(dashboardData.totalCacheCreateTokens || 0) > 0" class="text-purple-600"
-                  >缓存创建:
+                  >{{ t('dashboard.cacheCreateTokens') }}:
                   <span class="font-medium">{{
                     formatNumber(dashboardData.totalCacheCreateTokens || 0)
                   }}</span></span
                 >
                 <span v-if="(dashboardData.totalCacheReadTokens || 0) > 0" class="text-purple-600"
-                  >缓存读取:
+                  >{{ t('dashboard.cacheReadTokens') }}:
                   <span class="font-medium">{{
                     formatNumber(dashboardData.totalCacheReadTokens || 0)
                   }}</span></span
@@ -930,11 +930,14 @@ function createUsageTrendChart() {
             const bLabel = b.dataset.label || ''
 
             // 费用和请求数使用不同的轴，单独处理
-            if (aLabel === '费用 (USD)' || bLabel === '费用 (USD)') {
-              return aLabel === '费用 (USD)' ? -1 : 1
+            if (aLabel === t('dashboard.costLabel') || bLabel === t('dashboard.costLabel')) {
+              return aLabel === t('dashboard.costLabel') ? -1 : 1
             }
-            if (aLabel === '请求数' || bLabel === '请求数') {
-              return aLabel === '请求数' ? 1 : -1
+            if (
+              aLabel === t('dashboard.requestsLabel') ||
+              bLabel === t('dashboard.requestsLabel')
+            ) {
+              return aLabel === t('dashboard.requestsLabel') ? 1 : -1
             }
 
             // 其他按token值倒序
@@ -945,15 +948,15 @@ function createUsageTrendChart() {
               const label = context.dataset.label || ''
               let value = context.parsed.y
 
-              if (label === '费用 (USD)') {
+              if (label === t('dashboard.costLabel')) {
                 // 格式化费用显示
                 if (value < 0.01) {
                   return label + ': $' + value.toFixed(6)
                 } else {
                   return label + ': $' + value.toFixed(4)
                 }
-              } else if (label === '请求数') {
-                return label + ': ' + value.toLocaleString() + ' 次'
+              } else if (label === t('dashboard.requestsLabel')) {
+                return label + ': ' + value.toLocaleString()
               } else {
                 // 格式化token数显示
                 if (value >= 1000000) {