diff --git a/data_platform/import_vnpy_minute.py b/data_platform/import_vnpy_minute.py
index ac5c2a5c..8bfeb761 100644
--- a/data_platform/import_vnpy_minute.py
+++ b/data_platform/import_vnpy_minute.py
@@ -32,7 +32,7 @@ logger = logging.getLogger(__name__)
 # --- 配置 ---
 MINUTE_DIR = Path("/Volumes/stock/minute_kline/15min")
 DB_PATH = "/tmp/quant_trading_import.db"
-INTERVAL = "15m"
+INTERVAL = "1m"  # vnpy 4.x Interval.MINUTE.value = '1m', 统一用1m存储分钟线
 BATCH_SIZE = 50000
 
 HS300_FILE = Path("/Users/chufeng/.openclaw/sanguo_projects/sanguo_quant_live/zhaoyun-data/data/raw/stock_info/hs300_constituents_latest.csv")