diff --git a/data_platform/daily_all_update.py b/data_platform/daily_all_update.py
index a9d944d2..d15ba820 100644
--- a/data_platform/daily_all_update.py
+++ b/data_platform/daily_all_update.py
@@ -248,8 +248,8 @@ def fetch_baostock_daily(code: str, start_date: str, end_date: str) -> Optional[
         rs = bs.query_history_k_data_plus(
             bs_code,
             "date,open,high,low,close,volume,amount",
-            start_date=start_date.replace("-", ""),
-            end_date=end_date.replace("-", ""),
+            start_date=start_date,
+            end_date=end_date,
             frequency="d",
             adjustflag="2",
         )
@@ -279,8 +279,8 @@ def fetch_baostock_15min(code: str, start_date: str, end_date: str) -> Optional[
         rs = bs.query_history_k_data_plus(
             bs_code,
             "date,time,open,high,low,close,volume,amount",
-            start_date=start_date.replace("-", ""),
-            end_date=end_date.replace("-", ""),
+            start_date=start_date,
+            end_date=end_date,
             frequency="15",
             adjustflag="2",
         )