diff --git a/data_platform/backfill_15min_baostock.py b/data_platform/backfill_15min_baostock.py
index 5d7081fa..7ada5982 100644
--- a/data_platform/backfill_15min_baostock.py
+++ b/data_platform/backfill_15min_baostock.py
@@ -58,7 +58,8 @@ PROGRESS_SAVE_EVERY = 500
 def setup_logging():
     LOG_DIR.mkdir(parents=True, exist_ok=True)
     ts = datetime.now().strftime("%Y%m%d_%H%M%S")
-    log_file = LOG_DIR / f"backfill_15min_{ts}.log"
+    # 日志写本地避免SMB阻塞
+    log_file = Path(f"/tmp/backfill_15min_{ts}.log")
 
     logging.basicConfig(
         level=logging.INFO,
@@ -68,7 +69,7 @@ def setup_logging():
             logging.StreamHandler(),
         ],
     )
-    return logging.getLogger(__name__)
+    return logging.getLogger(__name__), log_file
 
 logger = setup_logging()