diff --git a/dataproxy_sdk/python/__init__.py b/dataproxy_sdk/python/__init__.py
index 46f09c2..773a130 100644
--- a/dataproxy_sdk/python/__init__.py
+++ b/dataproxy_sdk/python/__init__.py
@@ -4,4 +4,4 @@
 __all__ = [
     "DataProxyFileAdapter",
     "proto",
-]
\ No newline at end of file
+]
diff --git a/dataproxy_sdk/python/dp_file_adapter.py b/dataproxy_sdk/python/dp_file_adapter.py
index 38a79b5..5d506d8 100644
--- a/dataproxy_sdk/python/dp_file_adapter.py
+++ b/dataproxy_sdk/python/dp_file_adapter.py
@@ -1,6 +1,7 @@
 from . import libdataproxy
 from . import dp_pb2 as proto
 
+
 class DataProxyFileAdapter:
     def __init__(self, config: proto.DataProxyConfig):
         self.data_proxy_file = libdataproxy.DataProxyFile(config.SerializeToString())
@@ -8,8 +9,16 @@ def __init__(self, config: proto.DataProxyConfig):
     def close(self):
         self.data_proxy_file.close()
 
-    def download_file(self, info: proto.DownloadInfo, file_path: str, file_format: proto.FileFormat):
-        self.data_proxy_file.download_file(info.SerializeToString(), file_path, file_format)
+    def download_file(
+        self, info: proto.DownloadInfo, file_path: str, file_format: proto.FileFormat
+    ):
+        self.data_proxy_file.download_file(
+            info.SerializeToString(), file_path, file_format
+        )
 
-    def upload_file(self, info: proto.UploadInfo, file_path: str, file_format: proto.FileFormat):
-        self.data_proxy_file.upload_file(info.SerializeToString(), file_path, file_format)
\ No newline at end of file
+    def upload_file(
+        self, info: proto.UploadInfo, file_path: str, file_format: proto.FileFormat
+    ):
+        self.data_proxy_file.upload_file(
+            info.SerializeToString(), file_path, file_format
+        )
diff --git a/dataproxy_sdk/python/dp_pb2.py b/dataproxy_sdk/python/dp_pb2.py
index 7b6470e..b115c57 100644
--- a/dataproxy_sdk/python/dp_pb2.py
+++ b/dataproxy_sdk/python/dp_pb2.py
@@ -1 +1 @@
-from dataproxy_sdk.proto.data_proxy_pb_pb2 import *
\ No newline at end of file
+from dataproxy_sdk.proto.data_proxy_pb_pb2 import *
diff --git a/docs/conf.py b/docs/conf.py
index ea55e5d..84a6124 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -33,9 +33,9 @@
 
 # -- Project information -----------------------------------------------------
 
-project = 'DataProxy'
-copyright = '2023 Ant Group Co., Ltd.'
-author = 'DataProxy authors'
+project = "DataProxy"
+copyright = "2023 Ant Group Co., Ltd."
+author = "DataProxy authors"
 
 # -- General configuration ---------------------------------------------------
 
@@ -43,36 +43,36 @@
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
-    'sphinx.ext.napoleon',
-    'sphinx.ext.autodoc',
-    'sphinx.ext.graphviz',
-    'sphinx.ext.todo',
-    'sphinx.ext.viewcode',
-    'sphinx.ext.extlinks',
-    'sphinx.ext.autosectionlabel',
-    'myst_parser',
+    "sphinx.ext.napoleon",
+    "sphinx.ext.autodoc",
+    "sphinx.ext.graphviz",
+    "sphinx.ext.todo",
+    "sphinx.ext.viewcode",
+    "sphinx.ext.extlinks",
+    "sphinx.ext.autosectionlabel",
+    "myst_parser",
     "nbsphinx",
-    'sphinxcontrib.actdiag',
-    'sphinxcontrib.blockdiag',
-    'sphinxcontrib.nwdiag',
-    'sphinxcontrib.packetdiag',
-    'sphinxcontrib.rackdiag',
-    'sphinxcontrib.seqdiag',
-    'sphinx_design',
+    "sphinxcontrib.actdiag",
+    "sphinxcontrib.blockdiag",
+    "sphinxcontrib.nwdiag",
+    "sphinxcontrib.packetdiag",
+    "sphinxcontrib.rackdiag",
+    "sphinxcontrib.seqdiag",
+    "sphinx_design",
 ]
 
-nbsphinx_requirejs_path = ''
+nbsphinx_requirejs_path = ""
 
 # Make sure the target is unique
 autosectionlabel_prefix_document = True
 
 # Add any paths that contain templates here, relative to this directory.
-templates_path = ['_templates']
+templates_path = ["_templates"]
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
 # This pattern also affects html_static_path and html_extra_path.
-exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']
+exclude_patterns = ["_build", "Thumbs.db", ".DS_Store"]
 
 # Enable TODO
 todo_include_todos = True
@@ -82,20 +82,20 @@
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-html_theme = 'pydata_sphinx_theme'
+html_theme = "pydata_sphinx_theme"
 
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = ['_static']
+html_static_path = ["_static"]
 
-html_favicon = '_static/favicon.ico'
+html_favicon = "_static/favicon.ico"
 
 html_css_files = [
-    'css/custom.css',
+    "css/custom.css",
 ]
 
-html_js_files = ['js/custom.js']
+html_js_files = ["js/custom.js"]
 
 html_theme_options = {
     "icon_links": [
@@ -139,9 +139,9 @@
 # app setup hook
 def setup(app):
     app.add_config_value(
-        'recommonmark_config',
+        "recommonmark_config",
         {
-            'auto_toc_tree_section': 'Contents',
+            "auto_toc_tree_section": "Contents",
         },
         True,
     )