diff --git a/lotto/app/weight_evolver.py b/lotto/app/weight_evolver.py
index f10b97a..8c5fd35 100644
--- a/lotto/app/weight_evolver.py
+++ b/lotto/app/weight_evolver.py
@@ -6,6 +6,7 @@
 from __future__ import annotations
 import math
 import random
+from datetime import datetime, timedelta, timezone
 from typing import Any, Dict, List, Optional, Tuple
 
 import numpy as np
@@ -125,9 +126,6 @@ def decide_base_update(
 
 # ---------- DB-touching entry points ----------
 
-from datetime import datetime, timedelta, timezone
-
-
 KST = timezone(timedelta(hours=9))
 
 
@@ -238,8 +236,8 @@ def evaluate_weekly() -> Dict[str, Any]:
     if latest is None:
         return {"ok": False, "reason": "no_latest_draw"}
     winning = [
-        latest["drw_num1"], latest["drw_num2"], latest["drw_num3"],
-        latest["drw_num4"], latest["drw_num5"], latest["drw_num6"],
+        latest["n1"], latest["n2"], latest["n3"],
+        latest["n4"], latest["n5"], latest["n6"],
     ]
 
     per_day = []