fix: 假单开启后无对应会员稳定走假池，避免真假交替

jituan/services/fake_grab_switch.py

@@ -20,10 +20,15 @@ def is_club_fake_grab_enabled(club_id: str) -> bool:
     try:
         from jituan.models import Club
         club = Club.query.filter(club_id=cid).first()
+        if not club and cid != cid.lower():
+            club = Club.query.filter(club_id=cid.lower()).first()
         if not club:
             return False
         cfg = club.config_json or {}
-        return bool(cfg.get(CONFIG_KEY))
+        raw = cfg.get(CONFIG_KEY)
+        if isinstance(raw, str):
+            return raw.strip().lower() in ('1', 'true', 'yes', 'on')
+        return bool(raw)
     except Exception:
         logger.exception('read fake_grab_order_enabled failed club=%s', cid)
         return False