diff --git a/ucloud/common/storage_handlers.py b/ucloud/common/storage_handlers.py
index 4b7928e..4a17ec7 100644
--- a/ucloud/common/storage_handlers.py
+++ b/ucloud/common/storage_handlers.py
@@ -89,7 +89,7 @@ class FileSystemBasedImageStorageHandler(ImageStorageHandler):
         src = join_path(self.image_base, src)
         dest = join_path(self.vm_base, dest)
         try:
-            shutil.copy(src, dest)
+            shutil.copyfile(src, dest)
         except Exception as e:
             logger.exception(e)
             return False