diff --git a/app/admin/repositories/cps.py b/app/admin/repositories/cps.py
index ee39955..e94fee1 100644
--- a/app/admin/repositories/cps.py
+++ b/app/admin/repositories/cps.py
@@ -120,6 +120,15 @@ def update_group(
     return group
 
 
+def delete_group(db: Session, group: CpsGroup, *, commit: bool = True) -> None:
+    """硬删群。不级联删已生成的 cps_link(已发链接继续可用);该群历史点击/订单按 sid 仍在库。"""
+    db.delete(group)
+    if commit:
+        db.commit()
+    else:
+        db.flush()
+
+
 # ───────────── 活动 ─────────────
 def get_activity(db: Session, activity_id: int) -> CpsActivity | None:
     return db.get(CpsActivity, activity_id)
@@ -170,6 +179,15 @@ def create_activity(
     return activity
 
 
+def delete_activity(db: Session, activity: CpsActivity, *, commit: bool = True) -> None:
+    """硬删活动。不级联删 cps_link(已发链接继续可用;淘宝落地页缺活动时取图走兜底默认图)。"""
+    db.delete(activity)
+    if commit:
+        db.commit()
+    else:
+        db.flush()
+
+
 # ───────────── 订单(对账) ─────────────
 def _map_order_fields(r: dict) -> dict:
     """美团 query_order 单条 dataList → CpsOrder 字段(金额转分、时间转 datetime)。"""
diff --git a/app/admin/routers/cps.py b/app/admin/routers/cps.py
index 71b7078..08980c1 100644
--- a/app/admin/routers/cps.py
+++ b/app/admin/routers/cps.py
@@ -122,6 +122,26 @@ def update_group(
     return CpsGroupOut.model_validate(group)
 
 
+@router.delete("/groups/{group_id}", summary="删除群")
+def delete_group(
+    group_id: int,
+    request: Request,
+    admin: Annotated[AdminUser, Depends(require_role("operator"))],
+    db: AdminDb,
+) -> dict:
+    group = cps_repo.get_group(db, group_id)
+    if group is None:
+        raise HTTPException(status_code=404, detail="群不存在")
+    write_audit(
+        db, admin, action="cps.group.delete", target_type="cps_group", target_id=group_id,
+        detail={"name": group.name, "sid": group.sid, "platforms": list(group.platforms or [])},
+        ip=get_client_ip(request), commit=False,
+    )
+    cps_repo.delete_group(db, group, commit=False)
+    db.commit()
+    return {"ok": True}
+
+
 # ───────────── 活动 ─────────────
 @router.get("/activities", response_model=CursorPage[CpsActivityOut], summary="活动列表")
 def list_activities(
@@ -190,6 +210,26 @@ def activity_images(db: AdminDb) -> dict:
     return {"images": cps_repo.list_activity_images(db)}
 
 
+@router.delete("/activities/{activity_id}", summary="删除活动")
+def delete_activity(
+    activity_id: int,
+    request: Request,
+    admin: Annotated[AdminUser, Depends(require_role("operator"))],
+    db: AdminDb,
+) -> dict:
+    activity = cps_repo.get_activity(db, activity_id)
+    if activity is None:
+        raise HTTPException(status_code=404, detail="活动不存在")
+    write_audit(
+        db, admin, action="cps.activity.delete", target_type="cps_activity", target_id=activity_id,
+        detail={"name": activity.name, "platform": activity.platform},
+        ip=get_client_ip(request), commit=False,
+    )
+    cps_repo.delete_activity(db, activity, commit=False)
+    db.commit()
+    return {"ok": True}
+
+
 # ───────────── 生成链接(批量,按平台分支) ─────────────
 def _gen_one_link(db, group: CpsGroup, activity: CpsActivity):
     """给一个活动生成一条落地页 link。美团:转链拿短链(需群 sid);淘宝/京东:用 payload。"""