diff --git a/api/extensions/storage/clickzetta_volume/clickzetta_volume_storage.py b/api/extensions/storage/clickzetta_volume/clickzetta_volume_storage.py
index c1608f58a5..18eed4e481 100644
--- a/api/extensions/storage/clickzetta_volume/clickzetta_volume_storage.py
+++ b/api/extensions/storage/clickzetta_volume/clickzetta_volume_storage.py
@@ -390,8 +390,7 @@ class ClickZettaVolumeStorage(BaseStorage):
         """
         content = self.load_once(filename)
 
-        with Path(target_filepath).open("wb") as f:
-            f.write(content)
+        Path(target_filepath).write_bytes(content)
 
         logger.debug("File %s downloaded from ClickZetta Volume to %s", filename, target_filepath)