diff --git a/apps/web/src/api/subscription/types.ts b/apps/web/src/api/subscription/types.ts
index fefabf5bc..e0432e9e3 100644
--- a/apps/web/src/api/subscription/types.ts
+++ b/apps/web/src/api/subscription/types.ts
@@ -1,65 +1,115 @@
 /**
- * 订阅相关类型定义
+ * 订阅/会员类型定义
+ * 对齐后端 staging 实测最终契约（2026-09-16）
+ *
+ * Base path: /api/v1/
  */
 
-/** 套餐类型 */
-export type PlanType = "free" | "standard" | "pro" | "enterprise"
-
-/** 订阅状态 */
-export type SubscriptionStatus = "active" | "expired" | "cancelled" | "trial"
-
-/** 账单状态 */
-export type BillingStatus = "paid" | "pending" | "failed" | "refunded"
+/** 订阅计划 ID */
+export type PlanId = "free" | "monthly" | "quarterly" | "yearly"
 
 /** 计费周期 */
 export type BillingCycle = "monthly" | "yearly"
 
-/** 套餐信息 */
-export interface Plan {
-  id: PlanType
-  name: string
-  price: number | null
-  yearly_price?: number | null
-  description: string
-  recommended: boolean
-  features: string[]
-}
+/** 订阅状态 */
+export type SubscriptionStatus = "active" | "expired" | "cancelled" | "pending"
 
-/** 当前订阅信息 */
+/** 账单状态 */
+export type BillingStatus = "paid" | "pending" | "failed" | "refunded"
+
+/* ================================================================
+ * 当前订阅（GET /subscription/current）
+ * ================================================================ */
 export interface SubscriptionInfo {
   id: string
-  plan_id: PlanType
+  plan_id: PlanId
   plan_name: string
   status: SubscriptionStatus
+  /** 当前计费周期：monthly 对月卡/季卡按自然月续费；yearly 对年卡 */
   billing_cycle: BillingCycle
   current_period_start: string
   current_period_end: string
+  /** 本期金额（分） */
   amount: number
   auto_renew: boolean
   created_at: string
 }
 
-/** 账单记录 */
+/* ================================================================
+ * 订阅计划（GET /subscription/plans）
+ * ================================================================ */
+export interface SubscriptionPlan {
+  plan_id: PlanId
+  /** 中文名 */
+  name: string
+  /** 价格（分），年卡/季卡为总价 */
+  price_cents: number
+  /** 折算月价（分），对比用 */
+  monthly_price_cents: number
+  /** 时长（天） */
+  duration_days: number
+  /** 积分折扣（0.9 = 9折，1 = 无折扣） */
+  points_discount: number
+  features: {
+    max_resolution: string
+    free_clips_daily: number
+    [key: string]: unknown
+  }
+}
+
+export interface SubscriptionPlansResponse {
+  plans: SubscriptionPlan[]
+}
+
+/* ================================================================
+ * 账单（GET /subscription/billing-records）
+ * ================================================================ */
 export interface BillingRecord {
   id: string
-  plan_name: string
-  amount: number
-  billing_cycle: BillingCycle
+  /** 订单类型：subscribe/renew/upgrade/refund */
+  order_type: string
+  plan_id: PlanId
+  /** 金额（分） */
+  amount_cents: number
   status: BillingStatus
-  payment_method: string
   created_at: string
-  invoice_url?: string
+  paid_at?: string
 }
 
-/** 升级/降级请求 */
+/* ================================================================
+ * 变更/取消/开关自动续费
+ * ================================================================ */
 export interface ChangePlanRequest {
-  target_plan_id: PlanType
+  target_plan_id: PlanId
   billing_cycle: BillingCycle
 }
 
-/** 升级/降级响应 */
 export interface ChangePlanResponse {
   success: boolean
   message: string
   new_subscription?: SubscriptionInfo
 }
+
+export interface ToggleAutoRenewRequest {
+  enabled: boolean
+}
+
+/* ================================================================
+ * 中文标签映射
+ * ================================================================ */
+export const PLAN_LABEL: Record<PlanId, string> = {
+  free: "免费版",
+  monthly: "月度会员",
+  quarterly: "季度会员",
+  yearly: "年度会员",
+}
+
+export const BILLING_CYCLE_LABEL: Record<BillingCycle, string> = {
+  monthly: "月付",
+  yearly: "年付",
+}
+
+/**
+ * @deprecated 旧命名保留别名，新代码请直接用 PlanId
+ */
+export type PlanType = PlanId