diff --git a/frontend/src/i18n/locales/en/license.ts b/frontend/src/i18n/locales/en/license.ts
index 9f90191..45fb6f5 100644
--- a/frontend/src/i18n/locales/en/license.ts
+++ b/frontend/src/i18n/locales/en/license.ts
@@ -14,6 +14,12 @@ export default {
   copy: 'Copy',
   activateHint: 'Online keys start with LIC-; offline LICOFF- keys must bind the Instance ID above',
   permanent: 'perpetual',
+  plan: {
+    trial: 'Trial',
+    monthly: 'Monthly',
+    yearly: 'Yearly',
+    perpetual: 'Perpetual',
+  },
   personalTitle: 'Personal',
   teamTitle: 'Team',
   keyPlaceholder: 'Enter LIC- / LICOFF- key to activate Pro…',
diff --git a/frontend/src/i18n/locales/zh/license.ts b/frontend/src/i18n/locales/zh/license.ts
index 9b0d77c..c2e093c 100644
--- a/frontend/src/i18n/locales/zh/license.ts
+++ b/frontend/src/i18n/locales/zh/license.ts
@@ -14,6 +14,12 @@ export default {
   copy: '复制',
   activateHint: '在线码以 LIC- 开头；离线码 LICOFF-，须与上方实例 ID 绑定',
   permanent: '永久',
+  plan: {
+    trial: '体验',
+    monthly: '包月',
+    yearly: '包年',
+    perpetual: '永久',
+  },
   personalTitle: '个人版',
   teamTitle: '团队版',
   keyPlaceholder: '输入 LIC- / LICOFF- 许可码激活 Pro…',
@@ -60,5 +66,11 @@ export default {
     teamTitle: '团队版',
     teamDesc: '多实例 · 商业使用授权 · 优先支持',
     permanent: '永久',
+  plan: {
+    trial: '体验',
+    monthly: '包月',
+    yearly: '包年',
+    perpetual: '永久',
+  },
   },
 }
diff --git a/frontend/src/lib/license-plan.test.ts b/frontend/src/lib/license-plan.test.ts
new file mode 100644
index 0000000..1befef5
--- /dev/null
+++ b/frontend/src/lib/license-plan.test.ts
@@ -0,0 +1,31 @@
+import { describe, expect, it } from 'vitest'
+import { licensePlanI18nKey, resolveLicensePlanKind } from './license-plan'
+
+describe('resolveLicensePlanKind', () => {
+  it('maps canonical planType', () => {
+    expect(resolveLicensePlanKind({ planType: 'trial' })).toBe('trial')
+    expect(resolveLicensePlanKind({ planType: 'yearly' })).toBe('yearly')
+    expect(resolveLicensePlanKind({ planType: 'perpetual' })).toBe('perpetual')
+  })
+
+  it('soft-corrects monthly + short window to trial', () => {
+    const in14d = Math.floor(Date.now() / 1000) + 14 * 86400
+    expect(resolveLicensePlanKind({ planType: 'monthly', expiresAt: in14d })).toBe('trial')
+  })
+
+  it('keeps monthly when window looks like a month', () => {
+    const in30d = Math.floor(Date.now() / 1000) + 30 * 86400
+    expect(resolveLicensePlanKind({ planType: 'monthly', expiresAt: in30d })).toBe('monthly')
+  })
+
+  it('treats expiresAt<=0 as perpetual when planType empty', () => {
+    expect(resolveLicensePlanKind({ expiresAt: 0 })).toBe('perpetual')
+  })
+})
+
+describe('licensePlanI18nKey', () => {
+  it('returns plan.* keys', () => {
+    expect(licensePlanI18nKey('trial')).toBe('plan.trial')
+    expect(licensePlanI18nKey('unknown')).toBeNull()
+  })
+})
diff --git a/frontend/src/lib/license-plan.ts b/frontend/src/lib/license-plan.ts
new file mode 100644
index 0000000..d5039ab
--- /dev/null
+++ b/frontend/src/lib/license-plan.ts
@@ -0,0 +1,59 @@
+import type { LicenseInfo } from '@/api/license'
+
+/** Canonical plan kinds we show in settings. */
+export type LicensePlanKind = 'trial' | 'monthly' | 'yearly' | 'perpetual' | 'unknown'
+
+const DAY_MS = 86_400_000
+
+/**
+ * Resolve a readable plan kind from license info.
+ * Prefer explicit planType (trial/yearly/perpetual); never surface raw API literals in UI.
+ * Soft-correct: some opsx verify responses label short trial keys as "monthly" —
+ * when remaining window is ≤21d, treat as trial. expiresAt stays the source of truth for dates.
+ */
+export function resolveLicensePlanKind(info?: Pick<LicenseInfo, 'planType' | 'expiresAt' | 'edition'> | null): LicensePlanKind {
+  if (!info) return 'unknown'
+  const raw = (info.planType || '').trim().toLowerCase()
+
+  if (raw === 'trial') return 'trial'
+  if (raw === 'yearly' || raw === 'annual' || raw === 'year') return 'yearly'
+  if (raw === 'perpetual' || raw === 'permanent' || raw === 'lifetime') return 'perpetual'
+  if (raw === 'monthly' || raw === 'month') {
+    const daysLeft = daysUntilExpiry(info.expiresAt)
+    if (daysLeft != null && daysLeft > 0 && daysLeft <= 21) return 'trial'
+    return 'monthly'
+  }
+
+  // No / unknown planType: infer lightly from expiry window, else unknown (UI falls back to edition).
+  const daysLeft = daysUntilExpiry(info.expiresAt)
+  if (info.expiresAt != null && info.expiresAt <= 0) return 'perpetual'
+  if (daysLeft != null) {
+    if (daysLeft > 0 && daysLeft <= 21) return 'trial'
+    if (daysLeft > 21 && daysLeft <= 45) return 'monthly'
+    if (daysLeft > 45 && daysLeft <= 400) return 'yearly'
+    if (daysLeft > 400) return 'perpetual'
+  }
+  return 'unknown'
+}
+
+function daysUntilExpiry(expiresAt?: number): number | null {
+  if (expiresAt == null) return null
+  if (expiresAt <= 0) return null
+  return (expiresAt * 1000 - Date.now()) / DAY_MS
+}
+
+/** i18n key under namespace `license` for the plan value, or null → use edition fallback. */
+export function licensePlanI18nKey(kind: LicensePlanKind): string | null {
+  switch (kind) {
+    case 'trial':
+      return 'plan.trial'
+    case 'monthly':
+      return 'plan.monthly'
+    case 'yearly':
+      return 'plan.yearly'
+    case 'perpetual':
+      return 'plan.perpetual'
+    default:
+      return null
+  }
+}
diff --git a/frontend/src/pages/settings/components/LicenseSection.tsx b/frontend/src/pages/settings/components/LicenseSection.tsx
index 6d4da2b..a2e6b4b 100644
--- a/frontend/src/pages/settings/components/LicenseSection.tsx
+++ b/frontend/src/pages/settings/components/LicenseSection.tsx
@@ -12,6 +12,7 @@ import { LicenseStatusBanners } from '@/components/LicenseStatusBanners'
 import { licenseApi } from '@/api/license'
 import { useLicense } from '@/hooks/useLicense'
 import { getUser } from '@/lib/auth-storage'
+import { licensePlanI18nKey, resolveLicensePlanKind } from '@/lib/license-plan'
 
 /** 授权区块：免费态激活 / Pro 态退出（仅管理员；未授权不渲染退出） */
 export const LicenseSection = memo(function LicenseSection() {
@@ -71,6 +72,15 @@ export const LicenseSection = memo(function LicenseSection() {
       : t('permanent')
     : null
 
+  // 可读计划名；禁止裸打 API planType（trial 可能误回 monthly）
+  const planKind = resolveLicensePlanKind(info)
+  const planKey = licensePlanI18nKey(planKind)
+  const planLabel = planKey
+    ? t(planKey)
+    : info?.edition === 'team'
+      ? t('teamTitle')
+      : t('personalTitle')
+
   const instanceLimit = info?.maxDevices || info?.instances
   const inGrace = Boolean(info?.inGrace)
 
@@ -96,9 +106,9 @@ export const LicenseSection = memo(function LicenseSection() {
         <div className="text-sm">
           {pro ? (
             <div className="grid gap-1 text-muted-foreground sm:grid-cols-2">
-              <p>{t('edition')}: {info?.edition === 'team' ? t('teamTitle') : t('personalTitle')}</p>
+              <p>{t('edition')}: {planLabel}</p>
               <p>{t('expiry')}: {expiry}</p>
-              {info?.customer && <p>{t('customer')}: {info.customer}</p>}
+              {Boolean(info?.customer?.trim()) && <p>{t('customer')}: {info?.customer}</p>}
               {Boolean(instanceLimit) && (
                 <p>{t('instances')}: {instanceLimit}</p>
               )}