diff --git a/packages/shared/src/contracts/generated/AdminUpsertProfileMembershipPlanRequest.ts b/packages/shared/src/contracts/generated/AdminUpsertProfileMembershipPlanRequest.ts
index e1cbc53ab..139a2608b 100644
--- a/packages/shared/src/contracts/generated/AdminUpsertProfileMembershipPlanRequest.ts
+++ b/packages/shared/src/contracts/generated/AdminUpsertProfileMembershipPlanRequest.ts
@@ -15,6 +15,6 @@ plan: ProfileMembershipPlanToken, title: string, monthPriceCents: number, yearPr
  */
 modelAccess: ProfileMembershipModelAccessToken, 
 /**
- * 并发上限；`128` 表示不设上限。
+ * 并发上限；达到后端下发的 `unlimitedConcurrencyThreshold` 即表示不设上限，前端不硬编码哨兵值。
  */
 concurrentJobLimit: number, enabled: boolean, };
diff --git a/server-rs/crates/shared-contracts/src/runtime.rs b/server-rs/crates/shared-contracts/src/runtime.rs
index f59f7018c..8e57dd995 100644
--- a/server-rs/crates/shared-contracts/src/runtime.rs
+++ b/server-rs/crates/shared-contracts/src/runtime.rs
@@ -1089,7 +1089,7 @@ pub struct AdminUpsertProfileMembershipPlanRequest {
     pub period_points: u64,
     /// 模型权限 token：`basic` / `full`；本期只落字段、不做服务端拦截。
     pub model_access: ProfileMembershipModelAccessToken,
-    /// 并发上限；`128` 表示不设上限。
+    /// 并发上限；达到后端下发的 `unlimitedConcurrencyThreshold` 即表示不设上限，前端不硬编码哨兵值。
     pub concurrent_job_limit: u32,
     #[serde(default = "default_true")]
     pub enabled: bool,