diff --git a/scripts/data_collector/baostock_5min/collector.py b/scripts/data_collector/baostock_5min/collector.py
index e188ec024f..337a414aad 100644
--- a/scripts/data_collector/baostock_5min/collector.py
+++ b/scripts/data_collector/baostock_5min/collector.py
@@ -60,7 +60,6 @@ def __init__(
             using for debug, by default None
         """
         bs.login()
-        interval = "5min"
         super(BaostockCollectorHS3005min, self).__init__(
             save_dir=save_dir,
             start=start,