diff --git a/configs/config.py b/configs/config.py
index f691413..dc727dd 100644
--- a/configs/config.py
+++ b/configs/config.py
@@ -81,7 +81,9 @@ class Config:
         parser = argparse.ArgumentParser()
         parser.add_argument("--port", type=int, default=7865, help="Listen port")
         parser.add_argument("--pycmd", type=str, default=exe, help="Python command")
-        parser.add_argument("--global_link", action="store_true", help="Generate a global proxy link")
+        parser.add_argument(
+            "--global_link", action="store_true", help="Generate a global proxy link"
+        )
         parser.add_argument(
             "--noparallel", action="store_true", help="Disable parallel processing"
         )
diff --git a/infer/lib/rvcmd.py b/infer/lib/rvcmd.py
index 8c53549..d5f6bbd 100644
--- a/infer/lib/rvcmd.py
+++ b/infer/lib/rvcmd.py
@@ -195,9 +195,7 @@ def download_all_assets(tmpdir: str, version="0.2.3"):
         logger.error(f"architecture {architecture} is not supported")
         exit(1)
     try:
-        BASE_URL = (
-            "https://github.com/fumiama/RVC-Models-Downloader/releases/download/"
-        )
+        BASE_URL = "https://github.com/fumiama/RVC-Models-Downloader/releases/download/"
         suffix = "zip" if is_win else "tar.gz"
         RVCMD_URL = BASE_URL + f"v{version}/rvcmd_{system_type}_{architecture}.{suffix}"
         cmdfile = os.path.join(tmpdir, "rvcmd")