diff --git a/app/repositories/comparison.py b/app/repositories/comparison.py
index 9a164d0..ad362e5 100644
--- a/app/repositories/comparison.py
+++ b/app/repositories/comparison.py
@@ -9,6 +9,7 @@ from sqlalchemy import func, select
 from sqlalchemy.orm import Session
 
 from app.models.comparison import ComparisonRecord
+from app.models.savings import SavingsRecord
 from app.schemas.compare_record import ComparisonRecordIn
 
 
@@ -110,6 +111,23 @@ def upsert_record(
     return rec
 
 
+def _ordered_shop_names(db: Session, user_id: int) -> set[str]:
+    """该用户「真实下单」(source='compare')覆盖到的店名集合,用来给比价记录打「已下单」。
+
+    只认 compare(归因命中后真实上报),demo 演示数据不算。下单上报不带 trace_id,
+    只能按店名对齐——两边店名同源(都来自比价意图识别阶段的门店名 query),精确相等即视为同店。
+    语义=店级:同一家店比价过多次,这些记录会一并标「已下单」。
+    """
+    rows = db.execute(
+        select(SavingsRecord.shop_name).where(
+            SavingsRecord.user_id == user_id,
+            SavingsRecord.source == "compare",
+            SavingsRecord.shop_name.is_not(None),
+        )
+    ).scalars().all()
+    return {s for s in rows if s}
+
+
 def list_records(
     db: Session,
     user_id: int,
@@ -117,7 +135,7 @@ def list_records(
     limit: int = 20,
     cursor: int | None = None,
 ) -> tuple[list[ComparisonRecord], int | None]:
-    """比价记录分页(按 id 倒序,游标式)。"""
+    """比价记录分页(按 id 倒序,游标式)。附「已下单」店级标记(瞬态,不写库)。"""
     stmt = select(ComparisonRecord).where(ComparisonRecord.user_id == user_id)
     if cursor is not None:
         stmt = stmt.where(ComparisonRecord.id < cursor)
@@ -125,6 +143,13 @@ def list_records(
 
     items = list(db.execute(stmt).scalars().all())
     next_cursor = items[-1].id if len(items) == limit else None
+
+    # 「已下单」标记:本页记录的 store_name 若落在该用户真实下单的店名集合里即 True。
+    # ordered 非 ORM 列,仅挂实例上供 ComparisonRecordOut(from_attributes) 读出,不持久化。
+    ordered_shops = _ordered_shop_names(db, user_id)
+    for it in items:
+        it.ordered = bool(it.store_name and it.store_name in ordered_shops)
+
     return items, next_cursor
 
 
diff --git a/app/schemas/compare_record.py b/app/schemas/compare_record.py
index b7eb0fd..1d2cb22 100644
--- a/app/schemas/compare_record.py
+++ b/app/schemas/compare_record.py
@@ -94,6 +94,9 @@ class ComparisonRecordOut(BaseModel):
     items: list = []
     comparison_results: list = []
     skipped_dish_names: list = []
+    # 「已下单」(店级):该店名在该用户真实下单(source='compare')里出现过即 True。
+    # 由 list_records 动态算出挂在 ORM 实例上(非 DB 列),from_attributes 读出;缺省 False。
+    ordered: bool = False
     created_at: datetime