diff --git a/app/core/rewards.py b/app/core/rewards.py
index 80998a4..b2312d9 100644
--- a/app/core/rewards.py
+++ b/app/core/rewards.py
@@ -53,8 +53,10 @@ WITHDRAW_MAX_CENTS: int = 5_000_000  # 5 万元
 TASK_ENABLE_NOTIFICATION = "enable_notification"
 
 # task_key -> 奖励金币
+# 打开消息提醒: 1000 金币(=¥0.1, 客户端原型展示口径; 量级与签到/里程碑相称)。
+# 注意: 已不再 = 兑换下限(MIN_EXCHANGE_COIN=10000), test_exchange_flow 改走 grant_coins 直接供款。
 TASK_REWARDS: dict[str, int] = {
-    TASK_ENABLE_NOTIFICATION: 10000,
+    TASK_ENABLE_NOTIFICATION: 1000,
 }
 
 
diff --git a/app/models/comparison.py b/app/models/comparison.py
index 22dab56..c351e94 100644
--- a/app/models/comparison.py
+++ b/app/models/comparison.py
@@ -83,7 +83,7 @@ class ComparisonRecord(Base):
     # ===== 明细(JSON,越详细越好)=====
     # 下单菜品 [{name, qty, specs?}]
     items: Mapped[list] = mapped_column(_JSON, nullable=False, default=list)
-    # 逐平台对比 [{platform_id, platform_name, package, price, is_source, rank}](price 单位:元,原样存)
+    # 逐平台对比 [{platform_id, platform_name, package, price, is_source, rank, coupon_saved}](price/coupon_saved 单位:元,原样存)
     comparison_results: Mapped[list] = mapped_column(_JSON, nullable=False, default=list)
     # 目标平台未找到、跳过的菜名
     skipped_dish_names: Mapped[list] = mapped_column(_JSON, nullable=False, default=list)
diff --git a/app/repositories/comparison_milestone.py b/app/repositories/comparison_milestone.py
index 4b43c05..730c3ba 100644
--- a/app/repositories/comparison_milestone.py
+++ b/app/repositories/comparison_milestone.py
@@ -1,8 +1,9 @@
 """比价战绩里程碑 CRUD:进度查询 + 逐档领奖。
 
 进度 = comparison_record 里 status='success' 的条数(crud_compare.count_success)。
-第 N 档在"成功次数 >= N"时解锁;每档领一次,写 comparison_milestone_claim 去重 +
-grant_coins,同一事务 commit(领奖记录与加金币原子化)。仿一次性任务 (task.py)。
+第 N 档在"成功次数 >= N"时解锁;每档领一次,写 comparison_milestone_claim 去重(标记已领)。
+⚠️ 当前产品定暂不真发金币(后续整体删除该功能):claim 只写领取记录,不调 grant_coins、
+不写 coin_transaction,coin_awarded 恒为 0,余额不变。仿一次性任务 (task.py)。
 """
 from __future__ import annotations
 
@@ -14,7 +15,6 @@ from sqlalchemy.orm import Session
 from app.core.rewards import (
     RECORD_MILESTONE_COUNT,
     RECORD_MILESTONES,
-    record_milestone_reward,
 )
 from app.models.comparison_milestone import ComparisonMilestoneClaim
 from app.repositories import comparison as crud_compare
diff --git a/app/schemas/compare_record.py b/app/schemas/compare_record.py
index 7ecd94d..d431d46 100644
--- a/app/schemas/compare_record.py
+++ b/app/schemas/compare_record.py
@@ -113,7 +113,7 @@ class ComparisonRecordCreatedOut(BaseModel):
 
 class MilestoneStateOut(BaseModel):
     milestone: int = Field(..., description="档位序号 1-based(= 解锁所需的成功比价次数)")
-    coin: int = Field(..., description="该档奖励金币")
+    coin: int = Field(..., description="该档应发金币额(产品规则值);当前领取暂不真发, 见 compare-milestone-claim 文档")
     state: str = Field(..., description="claimed(已领) / active(可领) / locked(未解锁)")
 
 
diff --git a/docs/api/compare-milestones.md b/docs/api/compare-milestones.md
index 075a444..7933913 100644
--- a/docs/api/compare-milestones.md
+++ b/docs/api/compare-milestones.md
@@ -8,6 +8,8 @@
 
 档位金额是**产品规则**,定义在后端 `app/core/rewards.py` 的 `RECORD_MILESTONES`(当前 `120/180/300/500/800/1200`),客户端**不要写死**,以本接口返回为准。
 
+> ⚠️ **当前领取暂不真发金币**(产品定,后续整体删除该功能):`coin` 仍返回产品规则值仅供展示,但 [claim 接口](./compare-milestone-claim.md) 实际 `coin_awarded` 恒为 0、余额不变。前端展示须与之对齐,勿让用户误以为领取可到账。
+
 ## 入参
 无(用户身份取自 Bearer token)。
 
@@ -25,7 +27,7 @@
 | 字段 | 类型 | 说明 |
 |---|---|---|
 | `milestone` | int | 档位序号(1-based),= 解锁所需的成功比价次数 |
-| `coin` | int | 该档奖励金币 |
+| `coin` | int | 该档**应发**金币额(产品规则值);⚠️ 当前领取不真发,见上方说明 |
 | `state` | string | `claimed`(已领) / `active`(已解锁可领) / `locked`(未解锁) |
 
 ```json
diff --git a/docs/database/comparison_milestone_claim.md b/docs/database/comparison_milestone_claim.md
index 7d626c3..303dede 100644
--- a/docs/database/comparison_milestone_claim.md
+++ b/docs/database/comparison_milestone_claim.md
@@ -10,7 +10,7 @@
 | `id` | Integer | PK, autoincrement | |
 | `user_id` | Integer | FK→user.id, index, NOT NULL | 归属用户 |
 | `milestone` | Integer | NOT NULL | 档位序号(1-based),见 `rewards.RECORD_MILESTONES` |
-| `coin_awarded` | Integer | NOT NULL, default 0 | 该档发放金币 |
+| `coin_awarded` | Integer | NOT NULL, default 0 | 该档应发金币额;⚠️ 当前产品定暂不真发,实际恒为 0 |
 | `claimed_at` | DateTime(tz) | server_default now() | 领取时间 |
 
 ## 索引与约束
@@ -22,5 +22,5 @@
 - 解锁进度依赖 `comparison_record`(`status='success'` 计数),本表不存进度本身。
 
 ## 说明
-- 发金币走 `wallet.grant_coins(biz_type='compare_milestone', ref_id=str(milestone))`,与本表写入同事务。
+- ⚠️ 当前 claim 仅写本表标记已领(去重),**不调 `grant_coins`、不写 `coin_transaction`,`coin_awarded` 恒为 0、余额不变**(产品定暂不真发金币,后续整体删除该功能)。
 - 领取校验:档位越界 404、未解锁(成功数 < milestone)409、已领 409。
diff --git a/tests/test_welfare.py b/tests/test_welfare.py
index 7bf69fe..d669ce6 100644
--- a/tests/test_welfare.py
+++ b/tests/test_welfare.py
@@ -12,6 +12,9 @@ from app.core.rewards import (
     TASK_ENABLE_NOTIFICATION,
     TASK_REWARDS,
 )
+from app.db.session import SessionLocal
+from app.repositories import wallet as crud_wallet
+from app.repositories.user import get_user_by_phone
 
 
 def _login(client, phone: str) -> str:
@@ -130,10 +133,19 @@ def test_exchange_info(client) -> None:
 
 
 def test_exchange_flow(client) -> None:
-    """先用任务领够金币 → 兑换 1 元 → 金币扣、现金加 → 现金流水有记录。"""
-    token = _login(client, "13800001005")
-    # 领"打开消息提醒"得 10000 金币(= 1 元额度)
-    client.post(f"/api/v1/tasks/{TASK_ENABLE_NOTIFICATION}/claim", headers=_auth(token))
+    """先供款够兑换下限的金币 → 兑换 1 元 → 金币扣、现金加 → 现金流水有记录。
+
+    打开消息提醒任务已降到 1000 金币(不再 = 兑换下限), 不能再靠领任务供款;
+    直接 grant_coins 注入 MIN_EXCHANGE_COIN(= COIN_PER_YUAN = 10000)当种子。
+    """
+    phone = "13800001005"
+    token = _login(client, phone)
+    # 供款: 直接注入 1 元额度金币(替代原先靠 notification=10000 领任务供款)
+    with SessionLocal() as db:
+        user = get_user_by_phone(db, phone)
+        assert user is not None
+        crud_wallet.grant_coins(db, user.id, MIN_EXCHANGE_COIN, biz_type="test_seed", remark="测试供款")
+        db.commit()
 
     # 兑换 10000 金币 → 100 分
     r = client.post(