feat: 支持自定义端点配置与展示

backend/internal/handler/admin/setting_handler.go

@@ -110,6 +110,7 @@ func (h *SettingHandler) GetSettings(c *gin.Context) {
 		PurchaseSubscriptionURL:              settings.PurchaseSubscriptionURL,
 		SoraClientEnabled:                    settings.SoraClientEnabled,
 		CustomMenuItems:                      dto.ParseCustomMenuItems(settings.CustomMenuItems),
+		CustomEndpoints:                      dto.ParseCustomEndpoints(settings.CustomEndpoints),
 		DefaultConcurrency:                   settings.DefaultConcurrency,
 		DefaultBalance:                       settings.DefaultBalance,
 		DefaultSubscriptions:                 defaultSubscriptions,
@@ -176,6 +177,7 @@ type UpdateSettingsRequest struct {
 	PurchaseSubscriptionURL     *string               `json:"purchase_subscription_url"`
 	SoraClientEnabled           bool                  `json:"sora_client_enabled"`
 	CustomMenuItems             *[]dto.CustomMenuItem `json:"custom_menu_items"`
+	CustomEndpoints             *[]dto.CustomEndpoint `json:"custom_endpoints"`
 
 	// 默认配置
 	DefaultConcurrency   int                              `json:"default_concurrency"`
@@ -417,6 +419,55 @@ func (h *SettingHandler) UpdateSettings(c *gin.Context) {
 		customMenuJSON = string(menuBytes)
 	}
 
+	// 自定义端点验证
+	const (
+		maxCustomEndpoints        = 10
+		maxEndpointNameLen        = 50
+		maxEndpointURLLen         = 2048
+		maxEndpointDescriptionLen = 200
+	)
+
+	customEndpointsJSON := previousSettings.CustomEndpoints
+	if req.CustomEndpoints != nil {
+		endpoints := *req.CustomEndpoints
+		if len(endpoints) > maxCustomEndpoints {
+			response.BadRequest(c, "Too many custom endpoints (max 10)")
+			return
+		}
+		for _, ep := range endpoints {
+			if strings.TrimSpace(ep.Name) == "" {
+				response.BadRequest(c, "Custom endpoint name is required")
+				return
+			}
+			if len(ep.Name) > maxEndpointNameLen {
+				response.BadRequest(c, "Custom endpoint name is too long (max 50 characters)")
+				return
+			}
+			if strings.TrimSpace(ep.Endpoint) == "" {
+				response.BadRequest(c, "Custom endpoint URL is required")
+				return
+			}
+			if len(ep.Endpoint) > maxEndpointURLLen {
+				response.BadRequest(c, "Custom endpoint URL is too long (max 2048 characters)")
+				return
+			}
+			if err := config.ValidateAbsoluteHTTPURL(strings.TrimSpace(ep.Endpoint)); err != nil {
+				response.BadRequest(c, "Custom endpoint URL must be an absolute http(s) URL")
+				return
+			}
+			if len(ep.Description) > maxEndpointDescriptionLen {
+				response.BadRequest(c, "Custom endpoint description is too long (max 200 characters)")
+				return
+			}
+		}
+		endpointBytes, err := json.Marshal(endpoints)
+		if err != nil {
+			response.BadRequest(c, "Failed to serialize custom endpoints")
+			return
+		}
+		customEndpointsJSON = string(endpointBytes)
+	}
+
 	// Ops metrics collector interval validation (seconds).
 	if req.OpsMetricsIntervalSeconds != nil {
 		v := *req.OpsMetricsIntervalSeconds
@@ -495,6 +546,7 @@ func (h *SettingHandler) UpdateSettings(c *gin.Context) {
 		PurchaseSubscriptionURL:          purchaseURL,
 		SoraClientEnabled:                req.SoraClientEnabled,
 		CustomMenuItems:                  customMenuJSON,
+		CustomEndpoints:                  customEndpointsJSON,
 		DefaultConcurrency:               req.DefaultConcurrency,
 		DefaultBalance:                   req.DefaultBalance,
 		DefaultSubscriptions:             defaultSubscriptions,
@@ -592,6 +644,7 @@ func (h *SettingHandler) UpdateSettings(c *gin.Context) {
 		PurchaseSubscriptionURL:              updatedSettings.PurchaseSubscriptionURL,
 		SoraClientEnabled:                    updatedSettings.SoraClientEnabled,
 		CustomMenuItems:                      dto.ParseCustomMenuItems(updatedSettings.CustomMenuItems),
+		CustomEndpoints:                      dto.ParseCustomEndpoints(updatedSettings.CustomEndpoints),
 		DefaultConcurrency:                   updatedSettings.DefaultConcurrency,
 		DefaultBalance:                       updatedSettings.DefaultBalance,
 		DefaultSubscriptions:                 updatedDefaultSubscriptions,

backend/internal/handler/dto/settings.go

@@ -15,6 +15,13 @@ type CustomMenuItem struct {
 	SortOrder  int    `json:"sort_order"`
 }
 
+// CustomEndpoint represents an admin-configured API endpoint for quick copy.
+type CustomEndpoint struct {
+	Name        string `json:"name"`
+	Endpoint    string `json:"endpoint"`
+	Description string `json:"description"`
+}
+
 // SystemSettings represents the admin settings API response payload.
 type SystemSettings struct {
 	RegistrationEnabled              bool     `json:"registration_enabled"`
@@ -56,6 +63,7 @@ type SystemSettings struct {
 	PurchaseSubscriptionURL     string           `json:"purchase_subscription_url"`
 	SoraClientEnabled           bool             `json:"sora_client_enabled"`
 	CustomMenuItems             []CustomMenuItem `json:"custom_menu_items"`
+	CustomEndpoints             []CustomEndpoint `json:"custom_endpoints"`
 
 	DefaultConcurrency   int                          `json:"default_concurrency"`
 	DefaultBalance       float64                      `json:"default_balance"`
@@ -114,6 +122,7 @@ type PublicSettings struct {
 	PurchaseSubscriptionEnabled      bool             `json:"purchase_subscription_enabled"`
 	PurchaseSubscriptionURL          string           `json:"purchase_subscription_url"`
 	CustomMenuItems                  []CustomMenuItem `json:"custom_menu_items"`
+	CustomEndpoints                  []CustomEndpoint `json:"custom_endpoints"`
 	LinuxDoOAuthEnabled              bool             `json:"linuxdo_oauth_enabled"`
 	SoraClientEnabled                bool             `json:"sora_client_enabled"`
 	BackendModeEnabled               bool             `json:"backend_mode_enabled"`
@@ -218,3 +227,17 @@ func ParseUserVisibleMenuItems(raw string) []CustomMenuItem {
 	}
 	return filtered
 }
+
+// ParseCustomEndpoints parses a JSON string into a slice of CustomEndpoint.
+// Returns empty slice on empty/invalid input.
+func ParseCustomEndpoints(raw string) []CustomEndpoint {
+	raw = strings.TrimSpace(raw)
+	if raw == "" || raw == "[]" {
+		return []CustomEndpoint{}
+	}
+	var items []CustomEndpoint
+	if err := json.Unmarshal([]byte(raw), &items); err != nil {
+		return []CustomEndpoint{}
+	}
+	return items
+}

backend/internal/handler/setting_handler.go

@@ -52,6 +52,7 @@ func (h *SettingHandler) GetPublicSettings(c *gin.Context) {
 		PurchaseSubscriptionEnabled:      settings.PurchaseSubscriptionEnabled,
 		PurchaseSubscriptionURL:          settings.PurchaseSubscriptionURL,
 		CustomMenuItems:                  dto.ParseUserVisibleMenuItems(settings.CustomMenuItems),
+		CustomEndpoints:                  dto.ParseCustomEndpoints(settings.CustomEndpoints),
 		LinuxDoOAuthEnabled:              settings.LinuxDoOAuthEnabled,
 		SoraClientEnabled:                settings.SoraClientEnabled,
 		BackendModeEnabled:               settings.BackendModeEnabled,

backend/internal/server/api_contract_test.go

@@ -540,7 +540,8 @@ func TestAPIContracts(t *testing.T) {
 					"max_claude_code_version": "",
 					"allow_ungrouped_key_scheduling": false,
 					"backend_mode_enabled": false,
-					"custom_menu_items": []
+					"custom_menu_items": [],
+					"custom_endpoints": []
 				}
 			}`,
 		},

backend/internal/service/domain_constants.go

@@ -119,6 +119,7 @@ const (
 	SettingKeyPurchaseSubscriptionEnabled = "purchase_subscription_enabled" // 是否展示"购买订阅"页面入口
 	SettingKeyPurchaseSubscriptionURL     = "purchase_subscription_url"     // "购买订阅"页面 URL（作为 iframe src）
 	SettingKeyCustomMenuItems             = "custom_menu_items"             // 自定义菜单项（JSON 数组）
+	SettingKeyCustomEndpoints             = "custom_endpoints"              // 自定义端点列表（JSON 数组）
 
 	// 默认配置
 	SettingKeyDefaultConcurrency   = "default_concurrency"   // 新用户默认并发量

backend/internal/service/setting_service.go

@@ -150,6 +150,7 @@ func (s *SettingService) GetPublicSettings(ctx context.Context) (*PublicSettings
 		SettingKeyPurchaseSubscriptionURL,
 		SettingKeySoraClientEnabled,
 		SettingKeyCustomMenuItems,
+		SettingKeyCustomEndpoints,
 		SettingKeyLinuxDoConnectEnabled,
 		SettingKeyBackendModeEnabled,
 	}
@@ -195,6 +196,7 @@ func (s *SettingService) GetPublicSettings(ctx context.Context) (*PublicSettings
 		PurchaseSubscriptionURL:          strings.TrimSpace(settings[SettingKeyPurchaseSubscriptionURL]),
 		SoraClientEnabled:                settings[SettingKeySoraClientEnabled] == "true",
 		CustomMenuItems:                  settings[SettingKeyCustomMenuItems],
+		CustomEndpoints:                  settings[SettingKeyCustomEndpoints],
 		LinuxDoOAuthEnabled:              linuxDoEnabled,
 		BackendModeEnabled:               settings[SettingKeyBackendModeEnabled] == "true",
 	}, nil
@@ -247,6 +249,7 @@ func (s *SettingService) GetPublicSettingsForInjection(ctx context.Context) (any
 		PurchaseSubscriptionURL          string          `json:"purchase_subscription_url,omitempty"`
 		SoraClientEnabled                bool            `json:"sora_client_enabled"`
 		CustomMenuItems                  json.RawMessage `json:"custom_menu_items"`
+		CustomEndpoints                  json.RawMessage `json:"custom_endpoints"`
 		LinuxDoOAuthEnabled              bool            `json:"linuxdo_oauth_enabled"`
 		BackendModeEnabled               bool            `json:"backend_mode_enabled"`
 		Version                          string          `json:"version,omitempty"`
@@ -272,6 +275,7 @@ func (s *SettingService) GetPublicSettingsForInjection(ctx context.Context) (any
 		PurchaseSubscriptionURL:          settings.PurchaseSubscriptionURL,
 		SoraClientEnabled:                settings.SoraClientEnabled,
 		CustomMenuItems:                  filterUserVisibleMenuItems(settings.CustomMenuItems),
+		CustomEndpoints:                  safeRawJSONArray(settings.CustomEndpoints),
 		LinuxDoOAuthEnabled:              settings.LinuxDoOAuthEnabled,
 		BackendModeEnabled:               settings.BackendModeEnabled,
 		Version:                          s.version,
@@ -314,6 +318,18 @@ func filterUserVisibleMenuItems(raw string) json.RawMessage {
 	return result
 }
 
+// safeRawJSONArray returns raw as json.RawMessage if it's valid JSON, otherwise "[]".
+func safeRawJSONArray(raw string) json.RawMessage {
+	raw = strings.TrimSpace(raw)
+	if raw == "" {
+		return json.RawMessage("[]")
+	}
+	if json.Valid([]byte(raw)) {
+		return json.RawMessage(raw)
+	}
+	return json.RawMessage("[]")
+}
+
 // GetFrameSrcOrigins returns deduplicated http(s) origins from purchase_subscription_url
 // and all custom_menu_items URLs. Used by the router layer for CSP frame-src injection.
 func (s *SettingService) GetFrameSrcOrigins(ctx context.Context) ([]string, error) {
@@ -454,6 +470,7 @@ func (s *SettingService) UpdateSettings(ctx context.Context, settings *SystemSet
 	updates[SettingKeyPurchaseSubscriptionURL] = strings.TrimSpace(settings.PurchaseSubscriptionURL)
 	updates[SettingKeySoraClientEnabled] = strconv.FormatBool(settings.SoraClientEnabled)
 	updates[SettingKeyCustomMenuItems] = settings.CustomMenuItems
+	updates[SettingKeyCustomEndpoints] = settings.CustomEndpoints
 
 	// 默认配置
 	updates[SettingKeyDefaultConcurrency] = strconv.Itoa(settings.DefaultConcurrency)
@@ -740,6 +757,7 @@ func (s *SettingService) InitializeDefaultSettings(ctx context.Context) error {
 		SettingKeyPurchaseSubscriptionURL:          "",
 		SettingKeySoraClientEnabled:                "false",
 		SettingKeyCustomMenuItems:                  "[]",
+		SettingKeyCustomEndpoints:                  "[]",
 		SettingKeyDefaultConcurrency:               strconv.Itoa(s.cfg.Default.UserConcurrency),
 		SettingKeyDefaultBalance:                   strconv.FormatFloat(s.cfg.Default.UserBalance, 'f', 8, 64),
 		SettingKeyDefaultSubscriptions:             "[]",
@@ -805,6 +823,7 @@ func (s *SettingService) parseSettings(settings map[string]string) *SystemSettin
 		PurchaseSubscriptionURL:          strings.TrimSpace(settings[SettingKeyPurchaseSubscriptionURL]),
 		SoraClientEnabled:                settings[SettingKeySoraClientEnabled] == "true",
 		CustomMenuItems:                  settings[SettingKeyCustomMenuItems],
+		CustomEndpoints:                  settings[SettingKeyCustomEndpoints],
 		BackendModeEnabled:               settings[SettingKeyBackendModeEnabled] == "true",
 	}
 

backend/internal/service/settings_view.go

@@ -43,6 +43,7 @@ type SystemSettings struct {
 	PurchaseSubscriptionURL     string
 	SoraClientEnabled           bool
 	CustomMenuItems             string // JSON array of custom menu items
+	CustomEndpoints             string // JSON array of custom endpoints
 
 	DefaultConcurrency   int
 	DefaultBalance       float64
@@ -104,6 +105,7 @@ type PublicSettings struct {
 	PurchaseSubscriptionURL     string
 	SoraClientEnabled           bool
 	CustomMenuItems             string // JSON array of custom menu items
+	CustomEndpoints             string // JSON array of custom endpoints
 
 	LinuxDoOAuthEnabled bool
 	BackendModeEnabled  bool

frontend/src/api/admin/settings.ts

@@ -4,7 +4,7 @@
  */
 
 import { apiClient } from '../client'
-import type { CustomMenuItem } from '@/types'
+import type { CustomMenuItem, CustomEndpoint } from '@/types'
 
 export interface DefaultSubscriptionSetting {
   group_id: number
@@ -43,6 +43,7 @@ export interface SystemSettings {
   sora_client_enabled: boolean
   backend_mode_enabled: boolean
   custom_menu_items: CustomMenuItem[]
+  custom_endpoints: CustomEndpoint[]
   // SMTP settings
   smtp_host: string
   smtp_port: number
@@ -112,6 +113,7 @@ export interface UpdateSettingsRequest {
   sora_client_enabled?: boolean
   backend_mode_enabled?: boolean
   custom_menu_items?: CustomMenuItem[]
+  custom_endpoints?: CustomEndpoint[]
   smtp_host?: string
   smtp_port?: number
   smtp_username?: string

frontend/src/components/keys/EndpointPopover.vue

+<script setup lang="ts">
+import { computed, onBeforeUnmount, ref } from 'vue'
+import { useI18n } from 'vue-i18n'
+import { useClipboard } from '@/composables/useClipboard'
+import type { CustomEndpoint } from '@/types'
+
+const props = defineProps<{
+  apiBaseUrl: string
+  customEndpoints: CustomEndpoint[]
+}>()
+
+const { t } = useI18n()
+const { copyToClipboard } = useClipboard()
+const copiedEndpoint = ref<string | null>(null)
+
+let copiedResetTimer: number | undefined
+
+const allEndpoints = computed(() => {
+  const items: Array<{ name: string; endpoint: string; description: string; isDefault: boolean }> = []
+  if (props.apiBaseUrl) {
+    items.push({
+      name: t('keys.endpoints.title'),
+      endpoint: props.apiBaseUrl,
+      description: '',
+      isDefault: true,
+    })
+  }
+  for (const ep of props.customEndpoints) {
+    items.push({ ...ep, isDefault: false })
+  }
+  return items
+})
+
+async function copy(url: string) {
+  const success = await copyToClipboard(url, t('keys.endpoints.copied'))
+  if (!success) return
+
+  copiedEndpoint.value = url
+  if (copiedResetTimer !== undefined) {
+    window.clearTimeout(copiedResetTimer)
+  }
+  copiedResetTimer = window.setTimeout(() => {
+    if (copiedEndpoint.value === url) {
+      copiedEndpoint.value = null
+    }
+  }, 1800)
+}
+
+function tooltipHint(endpoint: string): string {
+  return copiedEndpoint.value === endpoint
+    ? t('keys.endpoints.copiedHint')
+    : t('keys.endpoints.clickToCopy')
+}
+
+function speedTestUrl(endpoint: string): string {
+  return `https://www.tcptest.cn/http/${encodeURIComponent(endpoint)}`
+}
+
+onBeforeUnmount(() => {
+  if (copiedResetTimer !== undefined) {
+    window.clearTimeout(copiedResetTimer)
+  }
+})
+</script>
+
+<template>
+  <div v-if="allEndpoints.length > 0" class="flex flex-wrap gap-2">
+    <div
+      v-for="(item, index) in allEndpoints"
+      :key="index"
+      class="flex items-center gap-1.5 rounded-lg border border-gray-200 bg-white px-2.5 py-1.5 text-xs transition-colors hover:border-primary-200 dark:border-dark-600 dark:bg-dark-800 dark:hover:border-primary-700"
+    >
+      <span class="font-medium text-gray-600 dark:text-gray-300">{{ item.name }}</span>
+      <span
+        v-if="item.isDefault"
+        class="rounded bg-primary-50 px-1 py-px text-[10px] font-medium leading-tight text-primary-600 dark:bg-primary-900/30 dark:text-primary-400"
+      >{{ t('keys.endpoints.default') }}</span>
+
+      <span class="text-gray-300 dark:text-dark-500">|</span>
+
+      <div class="group/endpoint relative flex items-center gap-1.5">
+        <div
+          class="pointer-events-none absolute bottom-full left-1/2 z-20 mb-2 w-max max-w-[24rem] -translate-x-1/2 translate-y-1 rounded-xl border border-slate-200 bg-white px-3 py-2.5 text-left opacity-0 shadow-[0_14px_36px_-20px_rgba(15,23,42,0.35)] ring-1 ring-slate-200/80 transition-all duration-150 group-hover/endpoint:translate-y-0 group-hover/endpoint:opacity-100 group-focus-within/endpoint:translate-y-0 group-focus-within/endpoint:opacity-100 dark:border-slate-700 dark:bg-slate-900 dark:ring-slate-700/70"
+        >
+          <p
+            v-if="item.description"
+            class="max-w-[24rem] break-words text-xs leading-5 text-slate-600 dark:text-slate-200"
+          >
+            {{ item.description }}
+          </p>
+          <p
+            class="flex items-center gap-1.5 text-[11px] leading-4 text-primary-600 dark:text-primary-300"
+            :class="item.description ? 'mt-1.5' : ''"
+          >
+            <span class="h-1.5 w-1.5 rounded-full bg-primary-500 dark:bg-primary-300"></span>
+            {{ tooltipHint(item.endpoint) }}
+          </p>
+          <div class="absolute left-1/2 top-full h-3 w-3 -translate-x-1/2 -translate-y-1/2 rotate-45 border-b border-r border-slate-200 bg-white dark:border-slate-700 dark:bg-slate-900"></div>
+        </div>
+
+        <code
+          class="cursor-pointer font-mono text-gray-500 decoration-gray-400 decoration-dashed underline-offset-2 hover:text-primary-600 hover:underline focus:text-primary-600 focus:underline focus:outline-none dark:text-gray-400 dark:decoration-gray-500 dark:hover:text-primary-400 dark:focus:text-primary-400"
+          role="button"
+          tabindex="0"
+          @click="copy(item.endpoint)"
+          @keydown.enter.prevent="copy(item.endpoint)"
+          @keydown.space.prevent="copy(item.endpoint)"
+        >{{ item.endpoint }}</code>
+
+        <button
+          type="button"
+          class="rounded p-0.5 transition-colors"
+          :class="copiedEndpoint === item.endpoint
+            ? 'text-emerald-500 dark:text-emerald-400'
+            : 'text-gray-400 hover:text-primary-500 dark:text-gray-500 dark:hover:text-primary-400'"
+          :aria-label="tooltipHint(item.endpoint)"
+          @click="copy(item.endpoint)"
+        >
+          <svg v-if="copiedEndpoint === item.endpoint" class="h-3 w-3" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2.2">
+            <path stroke-linecap="round" stroke-linejoin="round" d="M5 13l4 4L19 7" />
+          </svg>
+          <svg v-else class="h-3 w-3" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2">
+            <path stroke-linecap="round" stroke-linejoin="round" d="M8 16H6a2 2 0 01-2-2V6a2 2 0 012-2h8a2 2 0 012 2v2m-6 12h8a2 2 0 002-2v-8a2 2 0 00-2-2h-8a2 2 0 00-2 2v8a2 2 0 002 2z" />
+          </svg>
+        </button>
+
+        <a
+          :href="speedTestUrl(item.endpoint)"
+          target="_blank"
+          rel="noopener noreferrer"
+          class="rounded p-0.5 text-gray-400 transition-colors hover:text-amber-500 dark:text-gray-500 dark:hover:text-amber-400"
+          :title="t('keys.endpoints.speedTest')"
+        >
+          <svg class="h-3 w-3" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2">
+            <path stroke-linecap="round" stroke-linejoin="round" d="M13 10V3L4 14h7v7l9-11h-7z" />
+          </svg>
+        </a>
+      </div>
+    </div>
+  </div>
+</template>

frontend/src/components/keys/__tests__/EndpointPopover.spec.ts

+import { beforeEach, describe, expect, it, vi } from 'vitest'
+import { flushPromises, mount } from '@vue/test-utils'
+
+const copyToClipboard = vi.fn().mockResolvedValue(true)
+
+const messages: Record<string, string> = {
+  'keys.endpoints.title': 'API 端点',
+  'keys.endpoints.default': '默认',
+  'keys.endpoints.copied': '已复制',
+  'keys.endpoints.copiedHint': '已复制到剪贴板',
+  'keys.endpoints.clickToCopy': '点击可复制此端点',
+  'keys.endpoints.speedTest': '测速',
+}
+
+vi.mock('vue-i18n', () => ({
+  useI18n: () => ({
+    t: (key: string) => messages[key] ?? key,
+  }),
+}))
+
+vi.mock('@/composables/useClipboard', () => ({
+  useClipboard: () => ({
+    copyToClipboard,
+  }),
+}))
+
+import EndpointPopover from '../EndpointPopover.vue'
+
+describe('EndpointPopover', () => {
+  beforeEach(() => {
+    vi.clearAllMocks()
+  })
+
+  it('将说明提示渲染到 URL 上方而不是旧的 title 图标上', () => {
+    const wrapper = mount(EndpointPopover, {
+      props: {
+        apiBaseUrl: 'https://default.example.com/v1',
+        customEndpoints: [
+          {
+            name: '备用线路',
+            endpoint: 'https://backup.example.com/v1',
+            description: '自定义说明',
+          },
+        ],
+      },
+    })
+
+    expect(wrapper.text()).toContain('自定义说明')
+    expect(wrapper.text()).toContain('点击可复制此端点')
+    expect(wrapper.find('[role="button"]').attributes('title')).toBeUndefined()
+    expect(wrapper.find('[title="自定义说明"]').exists()).toBe(false)
+  })
+
+  it('点击 URL 后会复制并切换为已复制提示', async () => {
+    const wrapper = mount(EndpointPopover, {
+      props: {
+        apiBaseUrl: 'https://default.example.com/v1',
+        customEndpoints: [],
+      },
+    })
+
+    await wrapper.find('[role="button"]').trigger('click')
+    await flushPromises()
+
+    expect(copyToClipboard).toHaveBeenCalledWith('https://default.example.com/v1', '已复制')
+    expect(wrapper.text()).toContain('已复制到剪贴板')
+    expect(wrapper.find('button[aria-label="已复制到剪贴板"]').exists()).toBe(true)
+  })
+})

frontend/src/i18n/locales/en.ts

@@ -533,6 +533,14 @@ export default {
     title: 'API Keys',
     description: 'Manage your API keys and access tokens',
     searchPlaceholder: 'Search name or key...',
+    endpoints: {
+      title: 'API Endpoints',
+      default: 'Default',
+      copied: 'Copied',
+      copiedHint: 'Copied to clipboard',
+      clickToCopy: 'Click to copy this endpoint',
+      speedTest: 'Speed Test',
+    },
     allGroups: 'All Groups',
     allStatus: 'All Status',
     createKey: 'Create API Key',
@@ -4162,6 +4170,18 @@ export default {
         apiBaseUrlPlaceholder: 'https://api.example.com',
         apiBaseUrlHint:
           'Used for "Use Key" and "Import to CC Switch" features. Leave empty to use current site URL.',
+        customEndpoints: {
+          title: 'Custom Endpoints',
+          description: 'Add additional API endpoint URLs for users to quickly copy on the API Keys page',
+          itemLabel: 'Endpoint #{n}',
+          name: 'Name',
+          namePlaceholder: 'e.g., OpenAI Compatible',
+          endpointUrl: 'Endpoint URL',
+          endpointUrlPlaceholder: 'https://api2.example.com',
+          descriptionLabel: 'Description',
+          descriptionPlaceholder: 'e.g., Supports OpenAI format requests',
+          add: 'Add Endpoint',
+        },
         contactInfo: 'Contact Info',
         contactInfoPlaceholder: 'e.g., QQ: 123456789',
         contactInfoHint: 'Customer support contact info, displayed on redeem page, profile, etc.',

frontend/src/i18n/locales/zh.ts

@@ -533,6 +533,14 @@ export default {
     title: 'API 密钥',
     description: '管理您的 API 密钥和访问令牌',
     searchPlaceholder: '搜索名称或Key...',
+    endpoints: {
+      title: 'API 端点',
+      default: '默认',
+      copied: '已复制',
+      copiedHint: '已复制到剪贴板',
+      clickToCopy: '点击可复制此端点',
+      speedTest: '测速',
+    },
     allGroups: '全部分组',
     allStatus: '全部状态',
     createKey: '创建密钥',
@@ -4324,6 +4332,18 @@ export default {
         apiBaseUrl: 'API 端点地址',
         apiBaseUrlHint: '用于"使用密钥"和"导入到 CC Switch"功能，留空则使用当前站点地址',
         apiBaseUrlPlaceholder: 'https://api.example.com',
+        customEndpoints: {
+          title: '自定义端点',
+          description: '添加额外的 API 端点地址，用户可在「API Keys」页面快速复制',
+          itemLabel: '端点 #{n}',
+          name: '名称',
+          namePlaceholder: '如：OpenAI Compatible',
+          endpointUrl: '端点地址',
+          endpointUrlPlaceholder: 'https://api2.example.com',
+          descriptionLabel: '介绍',
+          descriptionPlaceholder: '如：支持 OpenAI 格式请求',
+          add: '添加端点',
+        },
         contactInfo: '客服联系方式',
         contactInfoPlaceholder: '例如：QQ: 123456789',
         contactInfoHint: '填写客服联系方式，将展示在兑换页面、个人资料等位置',

frontend/src/stores/app.ts

@@ -330,6 +330,7 @@ export const useAppStore = defineStore('app', () => {
         purchase_subscription_enabled: false,
         purchase_subscription_url: '',
         custom_menu_items: [],
+        custom_endpoints: [],
         linuxdo_oauth_enabled: false,
         sora_client_enabled: false,
         backend_mode_enabled: false,

frontend/src/types/index.ts

@@ -84,6 +84,12 @@ export interface CustomMenuItem {
   sort_order: number
 }
 
+export interface CustomEndpoint {
+  name: string
+  endpoint: string
+  description: string
+}
+
 export interface PublicSettings {
   registration_enabled: boolean
   email_verify_enabled: boolean
@@ -104,6 +110,7 @@ export interface PublicSettings {
   purchase_subscription_enabled: boolean
   purchase_subscription_url: string
   custom_menu_items: CustomMenuItem[]
+  custom_endpoints: CustomEndpoint[]
   linuxdo_oauth_enabled: boolean
   sora_client_enabled: boolean
   backend_mode_enabled: boolean

frontend/src/views/admin/SettingsView.vue

@@ -1248,6 +1248,81 @@
               </p>
             </div>
 
+            <!-- Custom Endpoints -->
+            <div>
+              <label class="mb-2 block text-sm font-medium text-gray-700 dark:text-gray-300">
+                {{ t('admin.settings.site.customEndpoints.title') }}
+              </label>
+              <p class="mb-3 text-xs text-gray-500 dark:text-gray-400">
+                {{ t('admin.settings.site.customEndpoints.description') }}
+              </p>
+
+              <div class="space-y-3">
+                <div
+                  v-for="(ep, index) in form.custom_endpoints"
+                  :key="index"
+                  class="rounded-lg border border-gray-200 p-4 dark:border-dark-600"
+                >
+                  <div class="mb-3 flex items-center justify-between">
+                    <span class="text-sm font-medium text-gray-700 dark:text-gray-300">
+                      {{ t('admin.settings.site.customEndpoints.itemLabel', { n: index + 1 }) }}
+                    </span>
+                    <button
+                      type="button"
+                      class="rounded p-1 text-red-400 hover:bg-red-50 hover:text-red-600 dark:hover:bg-red-900/20"
+                      @click="removeEndpoint(index)"
+                    >
+                      <svg class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2"><path stroke-linecap="round" stroke-linejoin="round" d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16" /></svg>
+                    </button>
+                  </div>
+                  <div class="grid grid-cols-1 gap-3 sm:grid-cols-2">
+                    <div>
+                      <label class="mb-1 block text-xs font-medium text-gray-600 dark:text-gray-400">
+                        {{ t('admin.settings.site.customEndpoints.name') }}
+                      </label>
+                      <input
+                        v-model="ep.name"
+                        type="text"
+                        class="input text-sm"
+                        :placeholder="t('admin.settings.site.customEndpoints.namePlaceholder')"
+                      />
+                    </div>
+                    <div>
+                      <label class="mb-1 block text-xs font-medium text-gray-600 dark:text-gray-400">
+                        {{ t('admin.settings.site.customEndpoints.endpointUrl') }}
+                      </label>
+                      <input
+                        v-model="ep.endpoint"
+                        type="url"
+                        class="input font-mono text-sm"
+                        :placeholder="t('admin.settings.site.customEndpoints.endpointUrlPlaceholder')"
+                      />
+                    </div>
+                    <div class="sm:col-span-2">
+                      <label class="mb-1 block text-xs font-medium text-gray-600 dark:text-gray-400">
+                        {{ t('admin.settings.site.customEndpoints.descriptionLabel') }}
+                      </label>
+                      <input
+                        v-model="ep.description"
+                        type="text"
+                        class="input text-sm"
+                        :placeholder="t('admin.settings.site.customEndpoints.descriptionPlaceholder')"
+                      />
+                    </div>
+                  </div>
+                </div>
+              </div>
+
+              <button
+                type="button"
+                class="mt-3 flex w-full items-center justify-center gap-2 rounded-lg border-2 border-dashed border-gray-300 px-4 py-2.5 text-sm text-gray-500 transition-colors hover:border-primary-400 hover:text-primary-600 dark:border-dark-600 dark:text-gray-400 dark:hover:border-primary-500 dark:hover:text-primary-400"
+                @click="addEndpoint"
+              >
+                <svg class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2"><path stroke-linecap="round" stroke-linejoin="round" d="M12 4v16m8-8H4" /></svg>
+                {{ t('admin.settings.site.customEndpoints.add') }}
+              </button>
+            </div>
+
             <!-- Contact Info -->
             <div>
               <label class="mb-2 block text-sm font-medium text-gray-700 dark:text-gray-300">
@@ -1945,6 +2020,7 @@ const form = reactive<SettingsForm>({
   purchase_subscription_url: '',
   sora_client_enabled: false,
   custom_menu_items: [] as Array<{id: string; label: string; icon_svg: string; url: string; visibility: 'user' | 'admin'; sort_order: number}>,
+  custom_endpoints: [] as Array<{name: string; endpoint: string; description: string}>,
   frontend_url: '',
   smtp_host: '',
   smtp_port: 587,
@@ -2114,6 +2190,15 @@ function moveMenuItem(index: number, direction: -1 | 1) {
   })
 }
 
+// Custom endpoint management
+function addEndpoint() {
+  form.custom_endpoints.push({ name: '', endpoint: '', description: '' })
+}
+
+function removeEndpoint(index: number) {
+  form.custom_endpoints.splice(index, 1)
+}
+
 async function loadSettings() {
   loading.value = true
   try {
@@ -2253,6 +2338,7 @@ async function saveSettings() {
       purchase_subscription_url: form.purchase_subscription_url,
       sora_client_enabled: form.sora_client_enabled,
       custom_menu_items: form.custom_menu_items,
+      custom_endpoints: form.custom_endpoints,
       frontend_url: form.frontend_url,
       smtp_host: form.smtp_host,
       smtp_port: form.smtp_port,

frontend/src/views/user/KeysView.vue

@@ -2,24 +2,31 @@
   <AppLayout>
     <TablePageLayout>
       <template #filters>
-        <div class="flex flex-wrap items-center gap-3">
-          <SearchInput
-            v-model="filterSearch"
-            :placeholder="t('keys.searchPlaceholder')"
-            class="w-full sm:w-64"
-            @search="onFilterChange"
-          />
-          <Select
-            :model-value="filterGroupId"
-            class="w-40"
-            :options="groupFilterOptions"
-            @update:model-value="onGroupFilterChange"
-          />
-          <Select
-            :model-value="filterStatus"
-            class="w-40"
-            :options="statusFilterOptions"
-            @update:model-value="onStatusFilterChange"
+        <div class="flex flex-col gap-3">
+          <div class="flex flex-wrap items-center gap-3">
+            <SearchInput
+              v-model="filterSearch"
+              :placeholder="t('keys.searchPlaceholder')"
+              class="w-full sm:w-64"
+              @search="onFilterChange"
+            />
+            <Select
+              :model-value="filterGroupId"
+              class="w-40"
+              :options="groupFilterOptions"
+              @update:model-value="onGroupFilterChange"
+            />
+            <Select
+              :model-value="filterStatus"
+              class="w-40"
+              :options="statusFilterOptions"
+              @update:model-value="onStatusFilterChange"
+            />
+          </div>
+          <EndpointPopover
+            v-if="publicSettings?.api_base_url || (publicSettings?.custom_endpoints?.length ?? 0) > 0"
+            :api-base-url="publicSettings?.api_base_url || ''"
+            :custom-endpoints="publicSettings?.custom_endpoints || []"
           />
         </div>
       </template>
@@ -1050,6 +1057,7 @@ import TablePageLayout from '@/components/layout/TablePageLayout.vue'
 	import SearchInput from '@/components/common/SearchInput.vue'
 	import Icon from '@/components/icons/Icon.vue'
 	import UseKeyModal from '@/components/keys/UseKeyModal.vue'
+	import EndpointPopover from '@/components/keys/EndpointPopover.vue'
 	import GroupBadge from '@/components/common/GroupBadge.vue'
 	import GroupOptionItem from '@/components/common/GroupOptionItem.vue'
 	import type { ApiKey, Group, PublicSettings, SubscriptionType, GroupPlatform } from '@/types'