refactor(frontend): UI/UX改进和组件优化

- DataTable组件操作列自适应
- 优化各种Modal弹窗
- 统一API调用方式（AbortSignal）
- 添加全局订阅状态管理
- 优化各管理视图的交互和布局
- 修复国际化翻译问题

frontend/src/components/common/ConfirmDialog.vue

 <template>
-  <Modal :show="show" :title="title" size="sm" @close="handleCancel">
+  <BaseDialog :show="show" :title="title" width="narrow" @close="handleCancel">
     <div class="space-y-4">
       <p class="text-sm text-gray-600 dark:text-gray-400">{{ message }}</p>
     </div>
@@ -27,13 +27,13 @@
         </button>
       </div>
     </template>
-  </Modal>
+  </BaseDialog>
 </template>
 
 <script setup lang="ts">
 import { computed } from 'vue'
 import { useI18n } from 'vue-i18n'
-import Modal from './Modal.vue'
+import BaseDialog from './BaseDialog.vue'
 
 const { t } = useI18n()
 

frontend/src/components/common/DataTable.vue

@@ -182,8 +182,8 @@ const checkActionsColumnWidth = () => {
   // 等待DOM更新
   nextTick(() => {
     // 测量所有按钮的总宽度
-    const buttons = actionsContainer.querySelectorAll('button')
-    if (buttons.length <= 2) {
+    const actionItems = actionsContainer.querySelectorAll('button, a, [role="button"]')
+    if (actionItems.length <= 2) {
       actionsColumnNeedsExpanding.value = false
       actionsExpanded.value = wasExpanded
       return
@@ -191,9 +191,9 @@ const checkActionsColumnWidth = () => {
 
     // 计算所有按钮的总宽度（包括gap）
     let totalWidth = 0
-    buttons.forEach((btn, index) => {
-      totalWidth += (btn as HTMLElement).offsetWidth
-      if (index < buttons.length - 1) {
+    actionItems.forEach((item, index) => {
+      totalWidth += (item as HTMLElement).offsetWidth
+      if (index < actionItems.length - 1) {
         totalWidth += 4 // gap-1 = 4px
       }
     })

frontend/src/components/common/Pagination.vue

@@ -206,10 +206,6 @@ const handlePageSizeChange = (value: string | number | boolean | null) => {
   if (value === null || typeof value === 'boolean') return
   const newPageSize = typeof value === 'string' ? parseInt(value) : value
   emit('update:pageSize', newPageSize)
-  // Reset to first page when page size changes
-  if (props.page !== 1) {
-    emit('update:page', 1)
-  }
 }
 </script>
 

frontend/src/components/common/Select.vue

@@ -30,7 +30,11 @@
     </button>
 
     <Transition name="select-dropdown">
-      <div v-if="isOpen" class="select-dropdown">
+      <div
+        v-if="isOpen"
+        ref="dropdownRef"
+        :class="['select-dropdown', dropdownPosition === 'top' && 'select-dropdown-top']"
+      >
         <!-- Search input -->
         <div v-if="searchable" class="select-search">
           <svg
@@ -141,6 +145,8 @@ const isOpen = ref(false)
 const searchQuery = ref('')
 const containerRef = ref<HTMLElement | null>(null)
 const searchInputRef = ref<HTMLInputElement | null>(null)
+const dropdownRef = ref<HTMLElement | null>(null)
+const dropdownPosition = ref<'bottom' | 'top'>('bottom')
 
 const getOptionValue = (
   option: SelectOption | Record<string, unknown>
@@ -184,13 +190,37 @@ const isSelected = (option: SelectOption | Record<string, unknown>): boolean =>
   return getOptionValue(option) === props.modelValue
 }
 
+const calculateDropdownPosition = () => {
+  if (!containerRef.value) return
+
+  nextTick(() => {
+    if (!containerRef.value || !dropdownRef.value) return
+
+    const triggerRect = containerRef.value.getBoundingClientRect()
+    const dropdownHeight = dropdownRef.value.offsetHeight || 240 // Max height fallback
+    const viewportHeight = window.innerHeight
+    const spaceBelow = viewportHeight - triggerRect.bottom
+    const spaceAbove = triggerRect.top
+
+    // If not enough space below but enough space above, show dropdown on top
+    if (spaceBelow < dropdownHeight && spaceAbove > dropdownHeight) {
+      dropdownPosition.value = 'top'
+    } else {
+      dropdownPosition.value = 'bottom'
+    }
+  })
+}
+
 const toggle = () => {
   if (props.disabled) return
   isOpen.value = !isOpen.value
-  if (isOpen.value && props.searchable) {
-    nextTick(() => {
-      searchInputRef.value?.focus()
-    })
+  if (isOpen.value) {
+    calculateDropdownPosition()
+    if (props.searchable) {
+      nextTick(() => {
+        searchInputRef.value?.focus()
+      })
+    }
   }
 }
 
@@ -275,6 +305,10 @@ onUnmounted(() => {
   @apply overflow-hidden;
 }
 
+.select-dropdown-top {
+  @apply bottom-full mb-2 mt-0;
+}
+
 .select-search {
   @apply flex items-center gap-2 px-3 py-2;
   @apply border-b border-gray-100 dark:border-dark-700;
@@ -322,6 +356,17 @@ onUnmounted(() => {
 .select-dropdown-enter-from,
 .select-dropdown-leave-to {
   opacity: 0;
+}
+
+/* Animation for dropdown opening downward (default) */
+.select-dropdown:not(.select-dropdown-top).select-dropdown-enter-from,
+.select-dropdown:not(.select-dropdown-top).select-dropdown-leave-to {
   transform: translateY(-8px);
 }
+
+/* Animation for dropdown opening upward */
+.select-dropdown-top.select-dropdown-enter-from,
+.select-dropdown-top.select-dropdown-leave-to {
+  transform: translateY(8px);
+}
 </style>

frontend/src/components/common/SubscriptionProgressMini.vue

@@ -178,17 +178,19 @@
 <script setup lang="ts">
 import { ref, computed, onMounted, onBeforeUnmount } from 'vue'
 import { useI18n } from 'vue-i18n'
-import subscriptionsAPI from '@/api/subscriptions'
+import { useSubscriptionStore } from '@/stores'
 import type { UserSubscription } from '@/types'
 
 const { t } = useI18n()
 
+const subscriptionStore = useSubscriptionStore()
+
 const containerRef = ref<HTMLElement | null>(null)
 const tooltipOpen = ref(false)
-const activeSubscriptions = ref<UserSubscription[]>([])
-const loading = ref(false)
 
-const hasActiveSubscriptions = computed(() => activeSubscriptions.value.length > 0)
+// Use store data instead of local state
+const activeSubscriptions = computed(() => subscriptionStore.activeSubscriptions)
+const hasActiveSubscriptions = computed(() => subscriptionStore.hasActiveSubscriptions)
 
 const displaySubscriptions = computed(() => {
   // Sort by most usage (highest percentage first)
@@ -275,37 +277,18 @@ function handleClickOutside(event: MouseEvent) {
   }
 }
 
-async function loadSubscriptions() {
-  try {
-    loading.value = true
-    activeSubscriptions.value = await subscriptionsAPI.getActiveSubscriptions()
-  } catch (error) {
-    console.error('Failed to load subscriptions:', error)
-    activeSubscriptions.value = []
-  } finally {
-    loading.value = false
-  }
-}
-
 onMounted(() => {
   document.addEventListener('click', handleClickOutside)
-  loadSubscriptions()
+  // Trigger initial fetch if not already loaded
+  // The actual data loading is handled by App.vue globally
+  subscriptionStore.fetchActiveSubscriptions().catch((error) => {
+    console.error('Failed to load subscriptions in SubscriptionProgressMini:', error)
+  })
 })
 
 onBeforeUnmount(() => {
   document.removeEventListener('click', handleClickOutside)
 })
-
-// Refresh subscriptions periodically (every 5 minutes)
-let refreshInterval: ReturnType<typeof setInterval> | null = null
-onMounted(() => {
-  refreshInterval = setInterval(loadSubscriptions, 5 * 60 * 1000)
-})
-onBeforeUnmount(() => {
-  if (refreshInterval) {
-    clearInterval(refreshInterval)
-  }
-})
 </script>
 
 <style scoped>

frontend/src/components/common/index.ts

@@ -2,6 +2,7 @@
 export { default as DataTable } from './DataTable.vue'
 export { default as Pagination } from './Pagination.vue'
 export { default as Modal } from './Modal.vue'
+export { default as BaseDialog } from './BaseDialog.vue'
 export { default as ConfirmDialog } from './ConfirmDialog.vue'
 export { default as StatCard } from './StatCard.vue'
 export { default as Toast } from './Toast.vue'

frontend/src/components/keys/UseKeyModal.vue

 <template>
-  <Modal
+  <BaseDialog
     :show="show"
     :title="t('keys.useKeyModal.title')"
-    size="lg"
+    width="wide"
     @close="emit('close')"
   >
     <div class="space-y-4">
@@ -112,13 +112,13 @@
         </button>
       </div>
     </template>
-  </Modal>
+  </BaseDialog>
 </template>
 
 <script setup lang="ts">
 import { ref, computed, h, watch, type Component } from 'vue'
 import { useI18n } from 'vue-i18n'
-import Modal from '@/components/common/Modal.vue'
+import BaseDialog from '@/components/common/BaseDialog.vue'
 import { useClipboard } from '@/composables/useClipboard'
 import type { GroupPlatform } from '@/types'
 

frontend/src/i18n/locales/en.ts

@@ -119,6 +119,7 @@ export default {
     info: 'Info',
     active: 'Active',
     inactive: 'Inactive',
+    more: 'More',
     close: 'Close',
     enabled: 'Enabled',
     disabled: 'Disabled',
@@ -344,6 +345,8 @@ export default {
     allApiKeys: 'All API Keys',
     timeRange: 'Time Range',
     exportCsv: 'Export CSV',
+    exporting: 'Exporting...',
+    preparingExport: 'Preparing export...',
     model: 'Model',
     type: 'Type',
     tokens: 'Tokens',
@@ -364,6 +367,7 @@ export default {
     failedToLoad: 'Failed to load usage logs',
     noDataToExport: 'No data to export',
     exportSuccess: 'Usage data exported successfully',
+    exportFailed: 'Failed to export usage data',
     billingType: 'Billing',
     balance: 'Balance',
     subscription: 'Subscription'
@@ -427,6 +431,7 @@ export default {
     updating: 'Updating...',
     updateSuccess: 'Profile updated successfully',
     updateFailed: 'Failed to update profile',
+    usernameRequired: 'Username is required',
     changePassword: 'Change Password',
     currentPassword: 'Current Password',
     newPassword: 'New Password',

frontend/src/i18n/locales/zh.ts

@@ -116,6 +116,7 @@ export default {
     info: '提示',
     active: '启用',
     inactive: '禁用',
+    more: '更多',
     close: '关闭',
     enabled: '已启用',
     disabled: '已禁用',
@@ -340,6 +341,8 @@ export default {
     allApiKeys: '全部密钥',
     timeRange: '时间范围',
     exportCsv: '导出 CSV',
+    exporting: '导出中...',
+    preparingExport: '正在准备导出...',
     model: '模型',
     type: '类型',
     tokens: 'Token',
@@ -360,6 +363,7 @@ export default {
     failedToLoad: '加载使用记录失败',
     noDataToExport: '没有可导出的数据',
     exportSuccess: '使用数据导出成功',
+    exportFailed: '使用数据导出失败',
     billingType: '消费类型',
     balance: '余额',
     subscription: '订阅'
@@ -423,6 +427,7 @@ export default {
     updating: '更新中...',
     updateSuccess: '资料更新成功',
     updateFailed: '资料更新失败',
+    usernameRequired: '用户名不能为空',
     changePassword: '修改密码',
     currentPassword: '当前密码',
     newPassword: '新密码',

frontend/src/stores/index.ts

@@ -5,6 +5,7 @@
 
 export { useAuthStore } from './auth'
 export { useAppStore } from './app'
+export { useSubscriptionStore } from './subscriptions'
 
 // Re-export types for convenience
 export type { User, LoginRequest, RegisterRequest, AuthResponse } from '@/types'

frontend/src/stores/subscriptions.ts

+/**
+ * Subscription Store
+ * Global state management for user subscriptions with caching and deduplication
+ */
+
+import { defineStore } from 'pinia'
+import { ref, computed } from 'vue'
+import subscriptionsAPI from '@/api/subscriptions'
+import type { UserSubscription } from '@/types'
+
+// Cache TTL: 60 seconds
+const CACHE_TTL_MS = 60_000
+
+// Request generation counter to invalidate stale in-flight responses
+let requestGeneration = 0
+
+export const useSubscriptionStore = defineStore('subscriptions', () => {
+  // State
+  const activeSubscriptions = ref<UserSubscription[]>([])
+  const loading = ref(false)
+  const loaded = ref(false)
+  const lastFetchedAt = ref<number | null>(null)
+
+  // In-flight request deduplication
+  let activePromise: Promise<UserSubscription[]> | null = null
+
+  // Auto-refresh interval
+  let pollerInterval: ReturnType<typeof setInterval> | null = null
+
+  // Computed
+  const hasActiveSubscriptions = computed(() => activeSubscriptions.value.length > 0)
+
+  /**
+   * Fetch active subscriptions with caching and deduplication
+   * @param force - Force refresh even if cache is valid
+   */
+  async function fetchActiveSubscriptions(force = false): Promise<UserSubscription[]> {
+    const now = Date.now()
+
+    // Return cached data if valid
+    if (
+      !force &&
+      loaded.value &&
+      lastFetchedAt.value &&
+      now - lastFetchedAt.value < CACHE_TTL_MS
+    ) {
+      return activeSubscriptions.value
+    }
+
+    // Return in-flight request if exists (deduplication)
+    if (activePromise) {
+      return activePromise
+    }
+
+    const currentGeneration = ++requestGeneration
+
+    // Start new request
+    loading.value = true
+    activePromise = subscriptionsAPI
+      .getActiveSubscriptions()
+      .then((data) => {
+        if (currentGeneration === requestGeneration) {
+          activeSubscriptions.value = data
+          loaded.value = true
+          lastFetchedAt.value = Date.now()
+        }
+        return data
+      })
+      .catch((error) => {
+        console.error('Failed to fetch active subscriptions:', error)
+        throw error
+      })
+      .finally(() => {
+        loading.value = false
+        activePromise = null
+      })
+
+    return activePromise
+  }
+
+  /**
+   * Start auto-refresh polling (every 5 minutes)
+   */
+  function startPolling() {
+    if (pollerInterval) return
+
+    pollerInterval = setInterval(() => {
+      fetchActiveSubscriptions(true).catch((error) => {
+        console.error('Subscription polling failed:', error)
+      })
+    }, 5 * 60 * 1000) // 5 minutes
+  }
+
+  /**
+   * Stop auto-refresh polling
+   */
+  function stopPolling() {
+    if (pollerInterval) {
+      clearInterval(pollerInterval)
+      pollerInterval = null
+    }
+  }
+
+  /**
+   * Clear all subscription data and stop polling
+   */
+  function clear() {
+    requestGeneration++
+    activeSubscriptions.value = []
+    loaded.value = false
+    lastFetchedAt.value = null
+    stopPolling()
+  }
+
+  /**
+   * Invalidate cache (force next fetch to reload)
+   */
+  function invalidateCache() {
+    lastFetchedAt.value = null
+  }
+
+  return {
+    // State
+    activeSubscriptions,
+    loading,
+    hasActiveSubscriptions,
+
+    // Actions
+    fetchActiveSubscriptions,
+    startPolling,
+    stopPolling,
+    clear,
+    invalidateCache
+  }
+})

frontend/src/style.css

@@ -307,6 +307,35 @@
     @apply flex items-center justify-end gap-3;
   }
 
+  /* ============ Dialog ============ */
+  .dialog-overlay {
+    @apply fixed inset-0 z-50;
+    @apply bg-black/40 dark:bg-black/60;
+    @apply flex items-center justify-center p-4;
+  }
+
+  .dialog-container {
+    @apply flex w-full flex-col;
+    @apply max-h-[90vh];
+    @apply rounded-2xl bg-white dark:bg-dark-800;
+    @apply shadow-xl;
+  }
+
+  .dialog-header {
+    @apply border-b border-gray-100 px-6 py-4 dark:border-dark-700;
+    @apply flex items-center justify-between;
+  }
+
+  .dialog-body {
+    @apply overflow-y-auto px-6 py-4;
+  }
+
+  .dialog-footer {
+    @apply border-t border-gray-100 px-6 py-4 dark:border-dark-700;
+    @apply bg-gray-50/60 dark:bg-dark-900/40;
+    @apply flex items-center justify-end gap-3;
+  }
+
   /* ============ Toast 通知 ============ */
   .toast {
     @apply fixed right-4 top-4 z-[100];

frontend/src/views/admin/AccountsView.vue

@@ -165,7 +165,7 @@
         </div>
       </div>
 
-      <DataTable :columns="columns" :data="accounts" :loading="loading" :actions-count="6">
+      <DataTable :columns="columns" :data="accounts" :loading="loading">
           <template #cell-select="{ row }">
             <input
               type="checkbox"
@@ -275,9 +275,9 @@
             </span>
           </template>
 
-          <template #cell-actions="{ row, expanded }">
+          <template #cell-actions="{ row }">
             <div class="flex items-center gap-1">
-              <!-- 主要操作：编辑和删除（始终显示） -->
+              <!-- Edit Button -->
               <button
                 @click="handleEdit(row)"
                 class="flex flex-col items-center gap-0.5 rounded-lg p-1.5 text-gray-500 transition-colors hover:bg-gray-100 hover:text-primary-600 dark:hover:bg-dark-700 dark:hover:text-primary-400"
@@ -297,6 +297,8 @@
                 </svg>
                 <span class="text-xs">{{ t('common.edit') }}</span>
               </button>
+
+              <!-- Delete Button -->
               <button
                 @click="handleDelete(row)"
                 class="flex flex-col items-center gap-0.5 rounded-lg p-1.5 text-gray-500 transition-colors hover:bg-red-50 hover:text-red-600 dark:hover:bg-red-900/20 dark:hover:text-red-400"
@@ -317,131 +319,28 @@
                 <span class="text-xs">{{ t('common.delete') }}</span>
               </button>
 
-              <!-- 次要操作：展开时显示 -->
-              <template v-if="expanded">
-                <!-- Reset Status button for error accounts -->
-                <button
-                  v-if="row.status === 'error'"
-                  @click="handleResetStatus(row)"
-                  class="flex flex-col items-center gap-0.5 rounded-lg p-1.5 text-red-500 transition-colors hover:bg-red-50 hover:text-red-600 dark:hover:bg-red-900/20 dark:hover:text-red-400"
-                >
+              <!-- More Actions Menu Trigger -->
+              <button
+                :ref="(el) => setActionButtonRef(row.id, el)"
+                @click="openActionMenu(row)"
+                class="action-menu-trigger flex flex-col items-center gap-0.5 rounded-lg p-1.5 text-gray-500 transition-colors hover:bg-gray-100 hover:text-gray-900 dark:hover:bg-dark-700 dark:hover:text-white"
+                :class="{ 'bg-gray-100 text-gray-900 dark:bg-dark-700 dark:text-white': activeMenuId === row.id }"
+              >
                 <svg
                   class="h-4 w-4"
                   fill="none"
-                  stroke="currentColor"
                   viewBox="0 0 24 24"
+                  stroke="currentColor"
                   stroke-width="1.5"
                 >
                   <path
                     stroke-linecap="round"
                     stroke-linejoin="round"
-                    d="M9 15L3 9m0 0l6-6M3 9h12a6 6 0 010 12h-3"
+                    d="M6.75 12a.75.75 0 11-1.5 0 .75.75 0 011.5 0zM12.75 12a.75.75 0 11-1.5 0 .75.75 0 011.5 0zM18.75 12a.75.75 0 11-1.5 0 .75.75 0 011.5 0z"
                   />
                 </svg>
-                <span class="text-xs">{{ t('admin.accounts.resetStatus') }}</span>
-                </button>
-                <!-- Clear Rate Limit button -->
-                <button
-                  v-if="isRateLimited(row) || isOverloaded(row)"
-                  @click="handleClearRateLimit(row)"
-                  class="flex flex-col items-center gap-0.5 rounded-lg p-1.5 text-amber-500 transition-colors hover:bg-amber-50 hover:text-amber-600 dark:hover:bg-amber-900/20 dark:hover:text-amber-400"
-                >
-                  <svg
-                    class="h-4 w-4"
-                    fill="none"
-                    stroke="currentColor"
-                    viewBox="0 0 24 24"
-                    stroke-width="1.5"
-                  >
-                    <path
-                      stroke-linecap="round"
-                      stroke-linejoin="round"
-                      d="M12 6v6h4.5m4.5 0a9 9 0 11-18 0 9 9 0 0118 0z"
-                    />
-                  </svg>
-                  <span class="text-xs">{{ t('admin.accounts.clearRateLimit') }}</span>
-                </button>
-                <!-- Test Connection button -->
-                <button
-                  @click="handleTest(row)"
-                  class="flex flex-col items-center gap-0.5 rounded-lg p-1.5 text-gray-500 transition-colors hover:bg-green-50 hover:text-green-600 dark:hover:bg-green-900/20 dark:hover:text-green-400"
-                >
-                  <svg
-                    class="h-4 w-4"
-                    fill="none"
-                    stroke="currentColor"
-                    viewBox="0 0 24 24"
-                    stroke-width="1.5"
-                  >
-                    <path
-                      stroke-linecap="round"
-                      stroke-linejoin="round"
-                      d="M5.25 5.653c0-.856.917-1.398 1.667-.986l11.54 6.347a1.125 1.125 0 010 1.972l-11.54 6.347a1.125 1.125 0 01-1.667-.986V5.653z"
-                    />
-                  </svg>
-                  <span class="text-xs">{{ t('admin.accounts.testConnection') }}</span>
-                </button>
-                <!-- View Stats button -->
-                <button
-                  @click="handleViewStats(row)"
-                  class="flex flex-col items-center gap-0.5 rounded-lg p-1.5 text-gray-500 transition-colors hover:bg-indigo-50 hover:text-indigo-600 dark:hover:bg-indigo-900/20 dark:hover:text-indigo-400"
-                >
-                  <svg
-                    class="h-4 w-4"
-                    fill="none"
-                    stroke="currentColor"
-                    viewBox="0 0 24 24"
-                    stroke-width="1.5"
-                  >
-                    <path
-                      stroke-linecap="round"
-                      stroke-linejoin="round"
-                      d="M3 13.125C3 12.504 3.504 12 4.125 12h2.25c.621 0 1.125.504 1.125 1.125v6.75C7.5 20.496 6.996 21 6.375 21h-2.25A1.125 1.125 0 013 19.875v-6.75zM9.75 8.625c0-.621.504-1.125 1.125-1.125h2.25c.621 0 1.125.504 1.125 1.125v11.25c0 .621-.504 1.125-1.125 1.125h-2.25a1.125 1.125 0 01-1.125-1.125V8.625zM16.5 4.125c0-.621.504-1.125 1.125-1.125h2.25C20.496 3 21 3.504 21 4.125v15.75c0 .621-.504 1.125-1.125 1.125h-2.25a1.125 1.125 0 01-1.125-1.125V4.125z"
-                    />
-                  </svg>
-                  <span class="text-xs">{{ t('admin.accounts.viewStats') }}</span>
-                </button>
-                <button
-                  v-if="row.type === 'oauth' || row.type === 'setup-token'"
-                  @click="handleReAuth(row)"
-                  class="flex flex-col items-center gap-0.5 rounded-lg p-1.5 text-gray-500 transition-colors hover:bg-blue-50 hover:text-blue-600 dark:hover:bg-blue-900/20 dark:hover:text-blue-400"
-                >
-                  <svg
-                    class="h-4 w-4"
-                    fill="none"
-                    stroke="currentColor"
-                    viewBox="0 0 24 24"
-                    stroke-width="1.5"
-                  >
-                    <path
-                      stroke-linecap="round"
-                      stroke-linejoin="round"
-                      d="M13.19 8.688a4.5 4.5 0 011.242 7.244l-4.5 4.5a4.5 4.5 0 01-6.364-6.364l1.757-1.757m13.35-.622l1.757-1.757a4.5 4.5 0 00-6.364-6.364l-4.5 4.5a4.5 4.5 0 001.242 7.244"
-                    />
-                  </svg>
-                  <span class="text-xs">{{ t('admin.accounts.reAuthorize') }}</span>
-                </button>
-                <button
-                  v-if="row.type === 'oauth' || row.type === 'setup-token'"
-                  @click="handleRefreshToken(row)"
-                  class="flex flex-col items-center gap-0.5 rounded-lg p-1.5 text-gray-500 transition-colors hover:bg-purple-50 hover:text-purple-600 dark:hover:bg-purple-900/20 dark:hover:text-purple-400"
-                >
-                  <svg
-                    class="h-4 w-4"
-                    fill="none"
-                    stroke="currentColor"
-                    viewBox="0 0 24 24"
-                    stroke-width="1.5"
-                  >
-                    <path
-                      stroke-linecap="round"
-                      stroke-linejoin="round"
-                      d="M16.023 9.348h4.992v-.001M2.985 19.644v-4.992m0 0h4.992m-4.993 0l3.181 3.183a8.25 8.25 0 0013.803-3.7M4.031 9.865a8.25 8.25 0 0113.803-3.7l3.181 3.182m0-4.991v4.99"
-                    />
-                  </svg>
-                  <span class="text-xs">{{ t('admin.accounts.refreshToken') }}</span>
-                </button>
-              </template>
+                <span class="text-xs">{{ t('common.more') }}</span>
+              </button>
             </div>
           </template>
 
@@ -463,6 +362,7 @@
           :total="pagination.total"
           :page-size="pagination.page_size"
           @update:page="handlePageChange"
+          @update:pageSize="handlePageSizeChange"
         />
       </template>
     </TablePageLayout>
@@ -537,11 +437,61 @@
       @close="showBulkEditModal = false"
       @updated="handleBulkUpdated"
     />
+    <!-- Action Menu (Teleported) -->
+    <Teleport to="body">
+      <div
+        v-if="activeMenuId !== null && menuPosition"
+        class="action-menu-content fixed z-[9999] w-52 overflow-hidden rounded-xl bg-white shadow-lg ring-1 ring-black/5 dark:bg-dark-800 dark:ring-white/10"
+        :style="{ top: menuPosition.top + 'px', left: menuPosition.left + 'px' }"
+      >
+        <div class="py-1">
+          <template v-for="account in accounts" :key="account.id">
+            <template v-if="account.id === activeMenuId">
+              <button
+                @click="handleTest(account); closeActionMenu()"
+                class="flex w-full items-center gap-2 px-4 py-2 text-sm text-gray-700 hover:bg-gray-100 dark:text-gray-300 dark:hover:bg-dark-700"
+              >
+                <svg class="h-4 w-4 text-green-500" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.752 11.168l-3.197-2.132A1 1 0 0010 9.87v4.263a1 1 0 001.555.832l3.197-2.132a1 1 0 000-1.664z" /><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 12a9 9 0 11-18 0 9 9 0 0118 0z" /></svg>
+                {{ t('admin.accounts.testConnection') }}
+              </button>
+              <button
+                @click="handleViewStats(account); closeActionMenu()"
+                class="flex w-full items-center gap-2 px-4 py-2 text-sm text-gray-700 hover:bg-gray-100 dark:text-gray-300 dark:hover:bg-dark-700"
+              >
+                <svg class="h-4 w-4 text-indigo-500" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2m0 0V5a2 2 0 012-2h2a2 2 0 012 2v14a2 2 0 01-2 2h-2a2 2 0 01-2-2z" /></svg>
+                {{ t('admin.accounts.viewStats') }}
+              </button>
+              <template v-if="account.type === 'oauth' || account.type === 'setup-token'">
+                <button @click="handleReAuth(account); closeActionMenu()" class="flex w-full items-center gap-2 px-4 py-2 text-sm text-gray-700 hover:bg-gray-100 dark:text-gray-300 dark:hover:bg-dark-700">
+                  <svg class="h-4 w-4 text-blue-500" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13.828 10.172a4 4 0 00-5.656 0l-4 4a4 4 0 105.656 5.656l1.102-1.101m-.758-4.899a4 4 0 005.656 0l4-4a4 4 0 00-5.656-5.656l-1.1 1.1" /></svg>
+                  {{ t('admin.accounts.reAuthorize') }}
+                </button>
+                <button @click="handleRefreshToken(account); closeActionMenu()" class="flex w-full items-center gap-2 px-4 py-2 text-sm text-gray-700 hover:bg-gray-100 dark:text-gray-300 dark:hover:bg-dark-700">
+                  <svg class="h-4 w-4 text-purple-500" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 4v5h5M20 20v-5h-5M4 4l16 16" /></svg>
+                  {{ t('admin.accounts.refreshToken') }}
+                </button>
+              </template>
+
+              <div v-if="account.status === 'error' || isRateLimited(account) || isOverloaded(account)" class="my-1 border-t border-gray-100 dark:border-dark-700"></div>
+
+              <button v-if="account.status === 'error'" @click="handleResetStatus(account); closeActionMenu()" class="flex w-full items-center gap-2 px-4 py-2 text-sm text-yellow-600 hover:bg-gray-100 dark:text-yellow-400 dark:hover:bg-dark-700">
+                <svg class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.752 11.168l-3.197-2.132A1 1 0 0010 9.87v4.263a1 1 0 001.555.832l3.197-2.132a1 1 0 000-1.664z" /><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 12a9 9 0 11-18 0 9 9 0 0118 0z" /></svg>
+                {{ t('admin.accounts.resetStatus') }}
+              </button>
+              <button v-if="isRateLimited(account) || isOverloaded(account)" @click="handleClearRateLimit(account); closeActionMenu()" class="flex w-full items-center gap-2 px-4 py-2 text-sm text-amber-600 hover:bg-gray-100 dark:text-amber-400 dark:hover:bg-dark-700">
+                <svg class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z" /></svg>
+                {{ t('admin.accounts.clearRateLimit') }}
+              </button>
+            </template>
+          </template>
+        </div>
+      </div>
+    </Teleport>
   </AppLayout>
 </template>
 
 <script setup lang="ts">
-import { ref, reactive, computed, onMounted } from 'vue'
+import { ref, reactive, computed, onMounted, onUnmounted, type ComponentPublicInstance } from 'vue'
 import { useI18n } from 'vue-i18n'
 import { useAppStore } from '@/stores/app'
 import { adminAPI } from '@/api/admin'
@@ -628,6 +578,7 @@ const pagination = reactive({
   total: 0,
   pages: 0
 })
+let abortController: AbortController | null = null
 
 // Modal states
 const showCreateModal = ref(false)
@@ -647,6 +598,49 @@ const statsAccount = ref<Account | null>(null)
 const togglingSchedulable = ref<number | null>(null)
 const bulkDeleting = ref(false)
 
+// Action Menu State
+const activeMenuId = ref<number | null>(null)
+const menuPosition = ref<{ top: number; left: number } | null>(null)
+const actionButtonRefs = ref<Map<number, HTMLElement>>(new Map())
+
+const setActionButtonRef = (accountId: number, el: Element | ComponentPublicInstance | null) => {
+  if (el instanceof HTMLElement) {
+    actionButtonRefs.value.set(accountId, el)
+  } else {
+    actionButtonRefs.value.delete(accountId)
+  }
+}
+
+const openActionMenu = (account: Account) => {
+  if (activeMenuId.value === account.id) {
+    closeActionMenu()
+  } else {
+    const buttonEl = actionButtonRefs.value.get(account.id)
+    if (buttonEl) {
+      const rect = buttonEl.getBoundingClientRect()
+      // Position menu to the left of the button, slightly below
+      menuPosition.value = {
+        top: rect.bottom + 4,
+        left: rect.right - 208 // w-52 is 208px
+      }
+    }
+    activeMenuId.value = account.id
+  }
+}
+
+const closeActionMenu = () => {
+  activeMenuId.value = null
+  menuPosition.value = null
+}
+
+// Close menu when clicking outside
+const handleClickOutside = (event: MouseEvent) => {
+  const target = event.target as HTMLElement
+  if (!target.closest('.action-menu-trigger') && !target.closest('.action-menu-content')) {
+    closeActionMenu()
+  }
+}
+
 // Bulk selection
 const selectedAccountIds = ref<number[]>([])
 const selectCurrentPageAccounts = () => {
@@ -668,6 +662,9 @@ const isOverloaded = (account: Account): boolean => {
 
 // Data loading
 const loadAccounts = async () => {
+  abortController?.abort()
+  const currentAbortController = new AbortController()
+  abortController = currentAbortController
   loading.value = true
   try {
     const response = await adminAPI.accounts.list(pagination.page, pagination.page_size, {
@@ -675,15 +672,24 @@ const loadAccounts = async () => {
       type: filters.type || undefined,
       status: filters.status || undefined,
       search: searchQuery.value || undefined
+    }, {
+      signal: currentAbortController.signal
     })
+    if (currentAbortController.signal.aborted) return
     accounts.value = response.items
     pagination.total = response.total
     pagination.pages = response.pages
   } catch (error) {
+    const errorInfo = error as { name?: string; code?: string }
+    if (errorInfo?.name === 'AbortError' || errorInfo?.name === 'CanceledError' || errorInfo?.code === 'ERR_CANCELED') {
+      return
+    }
     appStore.showError(t('admin.accounts.failedToLoad'))
     console.error('Error loading accounts:', error)
   } finally {
-    loading.value = false
+    if (abortController === currentAbortController) {
+      loading.value = false
+    }
   }
 }
 
@@ -720,6 +726,12 @@ const handlePageChange = (page: number) => {
   loadAccounts()
 }
 
+const handlePageSizeChange = (pageSize: number) => {
+  pagination.page_size = pageSize
+  pagination.page = 1
+  loadAccounts()
+}
+
 const handleCrsSynced = () => {
   showCrsSyncModal.value = false
   loadAccounts()
@@ -909,5 +921,12 @@ onMounted(() => {
   loadAccounts()
   loadProxies()
   loadGroups()
+  document.addEventListener('click', handleClickOutside)
+})
+
+onUnmounted(() => {
+  abortController?.abort()
+  abortController = null
+  document.removeEventListener('click', handleClickOutside)
 })
 </script>

frontend/src/views/admin/GroupsView.vue

@@ -223,18 +223,19 @@
           :total="pagination.total"
           :page-size="pagination.page_size"
           @update:page="handlePageChange"
+          @update:pageSize="handlePageSizeChange"
         />
       </template>
     </TablePageLayout>
 
     <!-- Create Group Modal -->
-    <Modal
+    <BaseDialog
       :show="showCreateModal"
       :title="t('admin.groups.createGroup')"
-      size="lg"
+      width="normal"
       @close="closeCreateModal"
     >
-      <form @submit.prevent="handleCreateGroup" class="space-y-5">
+      <form id="create-group-form" @submit.prevent="handleCreateGroup" class="space-y-5">
         <div>
           <label class="input-label">{{ t('admin.groups.form.name') }}</label>
           <input
@@ -345,11 +346,19 @@
           </div>
         </div>
 
+      </form>
+
+      <template #footer>
         <div class="flex justify-end gap-3 pt-4">
           <button @click="closeCreateModal" type="button" class="btn btn-secondary">
             {{ t('common.cancel') }}
           </button>
-          <button type="submit" :disabled="submitting" class="btn btn-primary">
+          <button
+            type="submit"
+            form="create-group-form"
+            :disabled="submitting"
+            class="btn btn-primary"
+          >
             <svg
               v-if="submitting"
               class="-ml-1 mr-2 h-4 w-4 animate-spin"
@@ -373,17 +382,22 @@
             {{ submitting ? t('admin.groups.creating') : t('common.create') }}
           </button>
         </div>
-      </form>
-    </Modal>
+      </template>
+    </BaseDialog>
 
     <!-- Edit Group Modal -->
-    <Modal
+    <BaseDialog
       :show="showEditModal"
       :title="t('admin.groups.editGroup')"
-      size="lg"
+      width="normal"
       @close="closeEditModal"
     >
-      <form v-if="editingGroup" @submit.prevent="handleUpdateGroup" class="space-y-5">
+      <form
+        v-if="editingGroup"
+        id="edit-group-form"
+        @submit.prevent="handleUpdateGroup"
+        class="space-y-5"
+      >
         <div>
           <label class="input-label">{{ t('admin.groups.form.name') }}</label>
           <input v-model="editForm.name" type="text" required class="input" />
@@ -490,11 +504,19 @@
           </div>
         </div>
 
+      </form>
+
+      <template #footer>
         <div class="flex justify-end gap-3 pt-4">
           <button @click="closeEditModal" type="button" class="btn btn-secondary">
             {{ t('common.cancel') }}
           </button>
-          <button type="submit" :disabled="submitting" class="btn btn-primary">
+          <button
+            type="submit"
+            form="edit-group-form"
+            :disabled="submitting"
+            class="btn btn-primary"
+          >
             <svg
               v-if="submitting"
               class="-ml-1 mr-2 h-4 w-4 animate-spin"
@@ -518,8 +540,8 @@
             {{ submitting ? t('admin.groups.updating') : t('common.update') }}
           </button>
         </div>
-      </form>
-    </Modal>
+      </template>
+    </BaseDialog>
 
     <!-- Delete Confirmation Dialog -->
     <ConfirmDialog
@@ -546,7 +568,7 @@ import AppLayout from '@/components/layout/AppLayout.vue'
 import TablePageLayout from '@/components/layout/TablePageLayout.vue'
 import DataTable from '@/components/common/DataTable.vue'
 import Pagination from '@/components/common/Pagination.vue'
-import Modal from '@/components/common/Modal.vue'
+import BaseDialog from '@/components/common/BaseDialog.vue'
 import ConfirmDialog from '@/components/common/ConfirmDialog.vue'
 import EmptyState from '@/components/common/EmptyState.vue'
 import Select from '@/components/common/Select.vue'
@@ -616,6 +638,8 @@ const pagination = reactive({
   pages: 0
 })
 
+let abortController: AbortController | null = null
+
 const showCreateModal = ref(false)
 const showEditModal = ref(false)
 const showDeleteDialog = ref(false)
@@ -660,21 +684,33 @@ const deleteConfirmMessage = computed(() => {
 })
 
 const loadGroups = async () => {
+  if (abortController) {
+    abortController.abort()
+  }
+  const currentController = new AbortController()
+  abortController = currentController
+  const { signal } = currentController
   loading.value = true
   try {
     const response = await adminAPI.groups.list(pagination.page, pagination.page_size, {
       platform: (filters.platform as GroupPlatform) || undefined,
       status: filters.status as any,
       is_exclusive: filters.is_exclusive ? filters.is_exclusive === 'true' : undefined
-    })
+    }, { signal })
+    if (signal.aborted) return
     groups.value = response.items
     pagination.total = response.total
     pagination.pages = response.pages
-  } catch (error) {
+  } catch (error: any) {
+    if (signal.aborted || error?.name === 'AbortError' || error?.code === 'ERR_CANCELED') {
+      return
+    }
     appStore.showError(t('admin.groups.failedToLoad'))
     console.error('Error loading groups:', error)
   } finally {
-    loading.value = false
+    if (abortController === currentController && !signal.aborted) {
+      loading.value = false
+    }
   }
 }
 
@@ -683,6 +719,12 @@ const handlePageChange = (page: number) => {
   loadGroups()
 }
 
+const handlePageSizeChange = (pageSize: number) => {
+  pagination.page_size = pageSize
+  pagination.page = 1
+  loadGroups()
+}
+
 const closeCreateModal = () => {
   showCreateModal.value = false
   createForm.name = ''

frontend/src/views/admin/ProxiesView.vue

@@ -209,15 +209,16 @@
           :total="pagination.total"
           :page-size="pagination.page_size"
           @update:page="handlePageChange"
+          @update:pageSize="handlePageSizeChange"
         />
       </template>
     </TablePageLayout>
 
     <!-- Create Proxy Modal -->
-    <Modal
+    <BaseDialog
       :show="showCreateModal"
       :title="t('admin.proxies.createProxy')"
-      size="lg"
+      width="normal"
       @close="closeCreateModal"
     >
       <!-- Tab Switch -->
@@ -271,7 +272,12 @@
       </div>
 
       <!-- Standard Add Form -->
-      <form v-if="createMode === 'standard'" @submit.prevent="handleCreateProxy" class="space-y-5">
+      <form
+        v-if="createMode === 'standard'"
+        id="create-proxy-form"
+        @submit.prevent="handleCreateProxy"
+        class="space-y-5"
+      >
         <div>
           <label class="input-label">{{ t('admin.proxies.name') }}</label>
           <input
@@ -329,34 +335,6 @@
           />
         </div>
 
-        <div class="flex justify-end gap-3 pt-4">
-          <button @click="closeCreateModal" type="button" class="btn btn-secondary">
-            {{ t('common.cancel') }}
-          </button>
-          <button type="submit" :disabled="submitting" class="btn btn-primary">
-            <svg
-              v-if="submitting"
-              class="-ml-1 mr-2 h-4 w-4 animate-spin"
-              fill="none"
-              viewBox="0 0 24 24"
-            >
-              <circle
-                class="opacity-25"
-                cx="12"
-                cy="12"
-                r="10"
-                stroke="currentColor"
-                stroke-width="4"
-              ></circle>
-              <path
-                class="opacity-75"
-                fill="currentColor"
-                d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
-              ></path>
-            </svg>
-            {{ submitting ? t('admin.proxies.creating') : t('common.create') }}
-          </button>
-        </div>
       </form>
 
       <!-- Batch Add Form -->
@@ -435,11 +413,44 @@
           </div>
         </div>
 
-        <div class="flex justify-end gap-3 pt-4">
+      </div>
+
+      <template #footer>
+        <div class="flex justify-end gap-3">
           <button @click="closeCreateModal" type="button" class="btn btn-secondary">
             {{ t('common.cancel') }}
           </button>
           <button
+            v-if="createMode === 'standard'"
+            type="submit"
+            form="create-proxy-form"
+            :disabled="submitting"
+            class="btn btn-primary"
+          >
+            <svg
+              v-if="submitting"
+              class="-ml-1 mr-2 h-4 w-4 animate-spin"
+              fill="none"
+              viewBox="0 0 24 24"
+            >
+              <circle
+                class="opacity-25"
+                cx="12"
+                cy="12"
+                r="10"
+                stroke="currentColor"
+                stroke-width="4"
+              ></circle>
+              <path
+                class="opacity-75"
+                fill="currentColor"
+                d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
+              ></path>
+            </svg>
+            {{ submitting ? t('admin.proxies.creating') : t('common.create') }}
+          </button>
+          <button
+            v-else
             @click="handleBatchCreate"
             type="button"
             :disabled="submitting || batchParseResult.valid === 0"
@@ -472,17 +483,22 @@
             }}
           </button>
         </div>
-      </div>
-    </Modal>
+      </template>
+    </BaseDialog>
 
     <!-- Edit Proxy Modal -->
-    <Modal
+    <BaseDialog
       :show="showEditModal"
       :title="t('admin.proxies.editProxy')"
-      size="lg"
+      width="normal"
       @close="closeEditModal"
     >
-      <form v-if="editingProxy" @submit.prevent="handleUpdateProxy" class="space-y-5">
+      <form
+        v-if="editingProxy"
+        id="edit-proxy-form"
+        @submit.prevent="handleUpdateProxy"
+        class="space-y-5"
+      >
         <div>
           <label class="input-label">{{ t('admin.proxies.name') }}</label>
           <input v-model="editForm.name" type="text" required class="input" />
@@ -526,11 +542,20 @@
           <Select v-model="editForm.status" :options="editStatusOptions" />
         </div>
 
-        <div class="flex justify-end gap-3 pt-4">
+      </form>
+
+      <template #footer>
+        <div class="flex justify-end gap-3">
           <button @click="closeEditModal" type="button" class="btn btn-secondary">
             {{ t('common.cancel') }}
           </button>
-          <button type="submit" :disabled="submitting" class="btn btn-primary">
+          <button
+            v-if="editingProxy"
+            type="submit"
+            form="edit-proxy-form"
+            :disabled="submitting"
+            class="btn btn-primary"
+          >
             <svg
               v-if="submitting"
               class="-ml-1 mr-2 h-4 w-4 animate-spin"
@@ -554,8 +579,8 @@
             {{ submitting ? t('admin.proxies.updating') : t('common.update') }}
           </button>
         </div>
-      </form>
-    </Modal>
+      </template>
+    </BaseDialog>
 
     <!-- Delete Confirmation Dialog -->
     <ConfirmDialog
@@ -582,7 +607,7 @@ import AppLayout from '@/components/layout/AppLayout.vue'
 import TablePageLayout from '@/components/layout/TablePageLayout.vue'
 import DataTable from '@/components/common/DataTable.vue'
 import Pagination from '@/components/common/Pagination.vue'
-import Modal from '@/components/common/Modal.vue'
+import BaseDialog from '@/components/common/BaseDialog.vue'
 import ConfirmDialog from '@/components/common/ConfirmDialog.vue'
 import EmptyState from '@/components/common/EmptyState.vue'
 import Select from '@/components/common/Select.vue'
@@ -682,22 +707,44 @@ const editForm = reactive({
   status: 'active' as 'active' | 'inactive'
 })
 
+let abortController: AbortController | null = null
+
+const isAbortError = (error: unknown) => {
+  if (!error || typeof error !== 'object') return false
+  const maybeError = error as { name?: string; code?: string }
+  return maybeError.name === 'AbortError' || maybeError.code === 'ERR_CANCELED'
+}
+
 const loadProxies = async () => {
+  if (abortController) {
+    abortController.abort()
+  }
+  const currentAbortController = new AbortController()
+  abortController = currentAbortController
   loading.value = true
   try {
     const response = await adminAPI.proxies.list(pagination.page, pagination.page_size, {
       protocol: filters.protocol || undefined,
       status: filters.status as any,
       search: searchQuery.value || undefined
-    })
+    }, { signal: currentAbortController.signal })
+    if (currentAbortController.signal.aborted || abortController !== currentAbortController) {
+      return
+    }
     proxies.value = response.items
     pagination.total = response.total
     pagination.pages = response.pages
   } catch (error) {
+    if (isAbortError(error)) {
+      return
+    }
     appStore.showError(t('admin.proxies.failedToLoad'))
     console.error('Error loading proxies:', error)
   } finally {
-    loading.value = false
+    if (abortController === currentAbortController) {
+      loading.value = false
+      abortController = null
+    }
   }
 }
 
@@ -715,6 +762,12 @@ const handlePageChange = (page: number) => {
   loadProxies()
 }
 
+const handlePageSizeChange = (pageSize: number) => {
+  pagination.page_size = pageSize
+  pagination.page = 1
+  loadProxies()
+}
+
 const closeCreateModal = () => {
   showCreateModal.value = false
   createMode.value = 'standard'

frontend/src/views/admin/RedeemView.vue

@@ -186,6 +186,7 @@
           :total="pagination.total"
           :page-size="pagination.page_size"
           @update:page="handlePageChange"
+          @update:pageSize="handlePageSizeChange"
         />
 
         <!-- Batch Actions -->
@@ -542,6 +543,8 @@ const pagination = reactive({
   pages: 0
 })
 
+let abortController: AbortController | null = null
+
 const showDeleteDialog = ref(false)
 const showDeleteUnusedDialog = ref(false)
 const deletingCode = ref<RedeemCode | null>(null)
@@ -556,21 +559,46 @@ const generateForm = reactive({
 })
 
 const loadCodes = async () => {
+  if (abortController) {
+    abortController.abort()
+  }
+  const currentController = new AbortController()
+  abortController = currentController
   loading.value = true
   try {
-    const response = await adminAPI.redeem.list(pagination.page, pagination.page_size, {
-      type: filters.type as RedeemCodeType,
-      status: filters.status as any,
-      search: searchQuery.value || undefined
-    })
+    const response = await adminAPI.redeem.list(
+      pagination.page,
+      pagination.page_size,
+      {
+        type: filters.type as RedeemCodeType,
+        status: filters.status as any,
+        search: searchQuery.value || undefined
+      },
+      {
+        signal: currentController.signal
+      }
+    )
+    if (currentController.signal.aborted) {
+      return
+    }
     codes.value = response.items
     pagination.total = response.total
     pagination.pages = response.pages
-  } catch (error) {
+  } catch (error: any) {
+    if (
+      currentController.signal.aborted ||
+      error?.name === 'AbortError' ||
+      error?.code === 'ERR_CANCELED'
+    ) {
+      return
+    }
     appStore.showError(t('admin.redeem.failedToLoad'))
     console.error('Error loading redeem codes:', error)
   } finally {
-    loading.value = false
+    if (abortController === currentController && !currentController.signal.aborted) {
+      loading.value = false
+      abortController = null
+    }
   }
 }
 
@@ -588,6 +616,12 @@ const handlePageChange = (page: number) => {
   loadCodes()
 }
 
+const handlePageSizeChange = (pageSize: number) => {
+  pagination.page_size = pageSize
+  pagination.page = 1
+  loadCodes()
+}
+
 const handleGenerateCodes = async () => {
   // 订阅类型必须选择分组
   if (generateForm.type === 'subscription' && !generateForm.group_id) {

frontend/src/views/admin/SubscriptionsView.vue

@@ -316,18 +316,23 @@
         :total="pagination.total"
         :page-size="pagination.page_size"
         @update:page="handlePageChange"
+        @update:pageSize="handlePageSizeChange"
       />
       </template>
     </TablePageLayout>
 
     <!-- Assign Subscription Modal -->
-    <Modal
+    <BaseDialog
       :show="showAssignModal"
       :title="t('admin.subscriptions.assignSubscription')"
-      size="lg"
+      width="normal"
       @close="closeAssignModal"
     >
-      <form @submit.prevent="handleAssignSubscription" class="space-y-5">
+      <form
+        id="assign-subscription-form"
+        @submit.prevent="handleAssignSubscription"
+        class="space-y-5"
+      >
         <div>
           <label class="input-label">{{ t('admin.subscriptions.form.user') }}</label>
           <Select
@@ -351,12 +356,18 @@
           <input v-model.number="assignForm.validity_days" type="number" min="1" class="input" />
           <p class="input-hint">{{ t('admin.subscriptions.validityHint') }}</p>
         </div>
-
-        <div class="flex justify-end gap-3 pt-4">
+      </form>
+      <template #footer>
+        <div class="flex justify-end gap-3">
           <button @click="closeAssignModal" type="button" class="btn btn-secondary">
             {{ t('common.cancel') }}
           </button>
-          <button type="submit" :disabled="submitting" class="btn btn-primary">
+          <button
+            type="submit"
+            form="assign-subscription-form"
+            :disabled="submitting"
+            class="btn btn-primary"
+          >
             <svg
               v-if="submitting"
               class="-ml-1 mr-2 h-4 w-4 animate-spin"
@@ -380,18 +391,19 @@
             {{ submitting ? t('admin.subscriptions.assigning') : t('admin.subscriptions.assign') }}
           </button>
         </div>
-      </form>
-    </Modal>
+      </template>
+    </BaseDialog>
 
     <!-- Extend Subscription Modal -->
-    <Modal
+    <BaseDialog
       :show="showExtendModal"
       :title="t('admin.subscriptions.extendSubscription')"
-      size="md"
+      width="narrow"
       @close="closeExtendModal"
     >
       <form
         v-if="extendingSubscription"
+        id="extend-subscription-form"
         @submit.prevent="handleExtendSubscription"
         class="space-y-5"
       >
@@ -417,17 +429,23 @@
           <label class="input-label">{{ t('admin.subscriptions.form.extendDays') }}</label>
           <input v-model.number="extendForm.days" type="number" min="1" required class="input" />
         </div>
-
-        <div class="flex justify-end gap-3 pt-4">
+      </form>
+      <template #footer>
+        <div v-if="extendingSubscription" class="flex justify-end gap-3">
           <button @click="closeExtendModal" type="button" class="btn btn-secondary">
             {{ t('common.cancel') }}
           </button>
-          <button type="submit" :disabled="submitting" class="btn btn-primary">
+          <button
+            type="submit"
+            form="extend-subscription-form"
+            :disabled="submitting"
+            class="btn btn-primary"
+          >
             {{ submitting ? t('admin.subscriptions.extending') : t('admin.subscriptions.extend') }}
           </button>
         </div>
-      </form>
-    </Modal>
+      </template>
+    </BaseDialog>
 
     <!-- Revoke Confirmation Dialog -->
     <ConfirmDialog
@@ -455,7 +473,7 @@ import AppLayout from '@/components/layout/AppLayout.vue'
 import TablePageLayout from '@/components/layout/TablePageLayout.vue'
 import DataTable from '@/components/common/DataTable.vue'
 import Pagination from '@/components/common/Pagination.vue'
-import Modal from '@/components/common/Modal.vue'
+import BaseDialog from '@/components/common/BaseDialog.vue'
 import ConfirmDialog from '@/components/common/ConfirmDialog.vue'
 import EmptyState from '@/components/common/EmptyState.vue'
 import Select from '@/components/common/Select.vue'
@@ -485,6 +503,7 @@ const subscriptions = ref<UserSubscription[]>([])
 const groups = ref<Group[]>([])
 const users = ref<User[]>([])
 const loading = ref(false)
+let abortController: AbortController | null = null
 const filters = reactive({
   status: '',
   group_id: ''
@@ -530,20 +549,36 @@ const subscriptionGroupOptions = computed(() =>
 const userOptions = computed(() => users.value.map((u) => ({ value: u.id, label: u.email })))
 
 const loadSubscriptions = async () => {
+  if (abortController) {
+    abortController.abort()
+  }
+  const requestController = new AbortController()
+  abortController = requestController
+  const { signal } = requestController
+
   loading.value = true
   try {
     const response = await adminAPI.subscriptions.list(pagination.page, pagination.page_size, {
       status: (filters.status as any) || undefined,
       group_id: filters.group_id ? parseInt(filters.group_id) : undefined
+    }, {
+      signal
     })
+    if (signal.aborted || abortController !== requestController) return
     subscriptions.value = response.items
     pagination.total = response.total
     pagination.pages = response.pages
-  } catch (error) {
+  } catch (error: any) {
+    if (signal.aborted || error?.name === 'AbortError' || error?.code === 'ERR_CANCELED') {
+      return
+    }
     appStore.showError(t('admin.subscriptions.failedToLoad'))
     console.error('Error loading subscriptions:', error)
   } finally {
-    loading.value = false
+    if (abortController === requestController) {
+      loading.value = false
+      abortController = null
+    }
   }
 }
 
@@ -569,6 +604,12 @@ const handlePageChange = (page: number) => {
   loadSubscriptions()
 }
 
+const handlePageSizeChange = (pageSize: number) => {
+  pagination.page_size = pageSize
+  pagination.page = 1
+  loadSubscriptions()
+}
+
 const closeAssignModal = () => {
   showAssignModal.value = false
   assignForm.user_id = null

frontend/src/views/admin/UsageView.vue

@@ -224,7 +224,7 @@
                 v-model="filters.api_key_id"
                 :options="apiKeyOptions"
                 :placeholder="t('usage.allApiKeys')"
-                :disabled="!selectedUser && apiKeys.length === 0"
+                searchable
                 @change="applyFilters"
               />
             </div>
@@ -236,6 +236,7 @@
                 v-model="filters.model"
                 :options="modelOptions"
                 :placeholder="t('admin.usage.allModels')"
+                searchable
                 @change="applyFilters"
               />
             </div>
@@ -534,6 +535,7 @@
         :total="pagination.total"
         :page-size="pagination.page_size"
         @update:page="handlePageChange"
+        @update:pageSize="handlePageSizeChange"
       />
     </div>
   </AppLayout>
@@ -666,6 +668,7 @@ const models = ref<string[]>([])
 const accounts = ref<any[]>([])
 const groups = ref<any[]>([])
 const loading = ref(false)
+let abortController: AbortController | null = null
 
 // User search state
 const userSearchKeyword = ref('')
@@ -675,7 +678,7 @@ const showUserDropdown = ref(false)
 const selectedUser = ref<SimpleUser | null>(null)
 let searchTimeout: ReturnType<typeof setTimeout> | null = null
 
-// API Key options computed from selected user's keys
+// API Key options computed from loaded keys
 const apiKeyOptions = computed(() => {
   return [
     { value: null, label: t('usage.allApiKeys') },
@@ -796,7 +799,7 @@ const selectUser = async (user: SimpleUser) => {
   filters.value.api_key_id = undefined
 
   // Load API keys for selected user
-  await loadApiKeysForUser(user.id)
+  await loadApiKeys(user.id)
   applyFilters()
 }
 
@@ -807,10 +810,11 @@ const clearUserFilter = () => {
   filters.value.user_id = undefined
   filters.value.api_key_id = undefined
   apiKeys.value = []
+  loadApiKeys()
   applyFilters()
 }
 
-const loadApiKeysForUser = async (userId: number) => {
+const loadApiKeys = async (userId?: number) => {
   try {
     apiKeys.value = await adminAPI.usage.searchApiKeys(userId)
   } catch (error) {
@@ -863,7 +867,24 @@ const formatCacheTokens = (value: number): string => {
   return value.toLocaleString()
 }
 
+const isAbortError = (error: unknown): boolean => {
+  if (error instanceof DOMException && error.name === 'AbortError') {
+    return true
+  }
+  if (typeof error === 'object' && error !== null) {
+    const maybeError = error as { code?: string; name?: string }
+    return maybeError.code === 'ERR_CANCELED' || maybeError.name === 'CanceledError'
+  }
+  return false
+}
+
 const loadUsageLogs = async () => {
+  if (abortController) {
+    abortController.abort()
+  }
+  const controller = new AbortController()
+  abortController = controller
+  const { signal } = controller
   loading.value = true
   try {
     const params: AdminUsageQueryParams = {
@@ -872,17 +893,23 @@ const loadUsageLogs = async () => {
       ...filters.value
     }
 
-    const response = await adminAPI.usage.list(params)
+    const response = await adminAPI.usage.list(params, { signal })
+    if (signal.aborted) {
+      return
+    }
     usageLogs.value = response.items
     pagination.value.total = response.total
     pagination.value.pages = response.pages
 
-    // Extract models from loaded logs for filter options
-    extractModelsFromLogs()
   } catch (error) {
+    if (signal.aborted || isAbortError(error)) {
+      return
+    }
     appStore.showError(t('usage.failedToLoad'))
   } finally {
-    loading.value = false
+    if (!signal.aborted && abortController === controller) {
+      loading.value = false
+    }
   }
 }
 
@@ -944,27 +971,37 @@ const applyFilters = () => {
 // Load filter options
 const loadFilterOptions = async () => {
   try {
-    // Load accounts
-    const accountsResponse = await adminAPI.accounts.list(1, 1000)
+    const [accountsResponse, groupsResponse] = await Promise.all([
+      adminAPI.accounts.list(1, 1000),
+      adminAPI.groups.list(1, 1000)
+    ])
     accounts.value = accountsResponse.items || []
-
-    // Load groups
-    const groupsResponse = await adminAPI.groups.list(1, 1000)
     groups.value = groupsResponse.items || []
   } catch (error) {
     console.error('Failed to load filter options:', error)
   }
+  await loadModelOptions()
 }
 
-// Extract unique models from usage logs
-const extractModelsFromLogs = () => {
-  const uniqueModels = new Set<string>()
-  usageLogs.value.forEach(log => {
-    if (log.model) {
-      uniqueModels.add(log.model)
-    }
-  })
-  models.value = Array.from(uniqueModels).sort()
+const loadModelOptions = async () => {
+  try {
+    const endDate = new Date()
+    const startDateRange = new Date(endDate)
+    startDateRange.setDate(startDateRange.getDate() - 29)
+    const response = await adminAPI.dashboard.getModelStats({
+      start_date: startDateRange.toISOString().split('T')[0],
+      end_date: endDate.toISOString().split('T')[0]
+    })
+    const uniqueModels = new Set<string>()
+    response.models?.forEach((stat) => {
+      if (stat.model) {
+        uniqueModels.add(stat.model)
+      }
+    })
+    models.value = Array.from(uniqueModels).sort()
+  } catch (error) {
+    console.error('Failed to load model options:', error)
+  }
 }
 
 const resetFilters = () => {
@@ -987,6 +1024,7 @@ const resetFilters = () => {
   // Reset date range to default (last 7 days)
   initializeDateRange()
   pagination.value.page = 1
+  loadApiKeys()
   loadUsageLogs()
   loadUsageStats()
   loadChartData()
@@ -997,6 +1035,12 @@ const handlePageChange = (page: number) => {
   loadUsageLogs()
 }
 
+const handlePageSizeChange = (pageSize: number) => {
+  pagination.value.page_size = pageSize
+  pagination.value.page = 1
+  loadUsageLogs()
+}
+
 const exportToCSV = () => {
   if (usageLogs.value.length === 0) {
     appStore.showWarning(t('usage.noDataToExport'))
@@ -1072,6 +1116,7 @@ const hideTooltip = () => {
 onMounted(() => {
   initializeDateRange()
   loadFilterOptions()
+  loadApiKeys()
   loadUsageLogs()
   loadUsageStats()
   loadChartData()
@@ -1083,5 +1128,8 @@ onUnmounted(() => {
   if (searchTimeout) {
     clearTimeout(searchTimeout)
   }
+  if (abortController) {
+    abortController.abort()
+  }
 })
 </script>

frontend/src/views/auth/LoginView.vue

@@ -39,6 +39,7 @@
               v-model="formData.email"
               type="email"
               required
+              autofocus
               autocomplete="email"
               :disabled="isLoading"
               class="input pl-11"