From 1213ece432f9531eb24092a0e930d2b2d05eb65c Mon Sep 17 00:00:00 2001
From: "Xingjun.Wang" <wangxingjun778@163.com>
Date: Mon, 8 Dec 2025 17:28:02 +0800
Subject: [PATCH] Feat: add `DEFAULT_MAX_WORKERS` in snapshot_download func
 (#1566)

---
 modelscope/hub/snapshot_download.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/modelscope/hub/snapshot_download.py b/modelscope/hub/snapshot_download.py
index ef9f7a01..e25daaa3 100644
--- a/modelscope/hub/snapshot_download.py
+++ b/modelscope/hub/snapshot_download.py
@@ -19,6 +19,7 @@ from modelscope.utils.logger import get_logger
 from modelscope.utils.thread_utils import thread_executor
 from .api import HubApi, ModelScopeConfig
 from .callback import ProgressCallback
+from .constants import DEFAULT_MAX_WORKERS
 from .errors import InvalidParameter
 from .file_download import (create_temporary_directory_and_cache,
                             download_file, get_file_download_url)
@@ -42,7 +43,7 @@ def snapshot_download(
     local_dir: Optional[str] = None,
     allow_patterns: Optional[Union[List[str], str]] = None,
     ignore_patterns: Optional[Union[List[str], str]] = None,
-    max_workers: int = 8,
+    max_workers: Optional[int] = None,
     repo_id: str = None,
     repo_type: Optional[str] = REPO_TYPE_MODEL,
     enable_file_lock: Optional[bool] = None,
@@ -112,6 +113,8 @@ def snapshot_download(
             f'Invalid repo type: {repo_type}, only support: {REPO_TYPE_SUPPORT}'
         )
 
+    max_workers = max_workers or DEFAULT_MAX_WORKERS
+
     if revision is None:
         revision = DEFAULT_DATASET_REVISION if repo_type == REPO_TYPE_DATASET else DEFAULT_MODEL_REVISION