fix(web): DDNS 页改用 FRP 多服务端状态接口

CHANGELOG.md

@@ -2,6 +2,12 @@
 
 All notable changes to this project will be documented in this file.
 
+## [Unreleased]
+
+### 修复
+
+- **DDNS 页 FRP 提示恢复**：`DdnsView.vue` 原来调用已退役的 `/api/frp`，请求失败后会把 `frpEnabled` 固定为 `false`，导致“FRP 内网穿透已启用”提示不再出现。现改用 `/api/frpmulti/status`，仅在“已配置服务端且存在启用规则”时显示，并补充判定函数单元测试
+
 ## [v1.2.19] - 2026-09-27
 
 ### 新增

web/src/utils/frp.spec.ts

@@ -0,0 +1,20 @@
+import { describe, expect, it } from 'vitest'
+import { shouldShowFrpHint } from './frp'
+
+describe('shouldShowFrpHint', () => {
+  it('配置了服务端且存在启用规则时显示提示', () => {
+    expect(shouldShowFrpHint({ configured: true, enabled_proxies: 1 })).toBe(true)
+  })
+
+  it('未配置服务端时不显示提示', () => {
+    expect(shouldShowFrpHint({ configured: false, enabled_proxies: 1 })).toBe(false)
+  })
+
+  it('配置了服务端但没有启用规则时不显示提示', () => {
+    expect(shouldShowFrpHint({ configured: true, enabled_proxies: 0 })).toBe(false)
+  })
+
+  it('状态为空时不显示提示', () => {
+    expect(shouldShowFrpHint(undefined)).toBe(false)
+  })
+})

web/src/utils/frp.ts

@@ -0,0 +1,6 @@
+import type { FrpStatus } from '../api/types'
+
+// 只有配置了 FRP 服务端且存在启用规则时，DDNS 页才提示域名应指向 VPS。
+export function shouldShowFrpHint(status: Pick<FrpStatus, 'configured' | 'enabled_proxies'> | null | undefined): boolean {
+  return Boolean(status?.configured && status.enabled_proxies > 0)
+}

web/src/views/DdnsView.vue

@@ -518,6 +518,7 @@ import PageHeader from '../components/PageHeader.vue'
 import StatusBadge from '../components/StatusBadge.vue'
 import TaskProviderForm, { type ProviderForm } from '../components/TaskProviderForm.vue'
 import { formatDate, formatRelativeTime } from '../utils/format'
+import { shouldShowFrpHint } from '../utils/frp'
 import { statusLabel } from '../utils/status'
 
 const DRAFT_KEY = '__draft__'
@@ -929,8 +930,8 @@ async function init() {
   refreshPublicIP()
   refreshLiveDNS()
   try {
-    const frp = await api.getFRP()
-    frpEnabled.value = frp.enabled
+    const status = await api.getFrpStatus()
+    frpEnabled.value = shouldShowFrpHint(status)
   } catch {
     frpEnabled.value = false
   }