diff --git a/setup.py b/setup.py
index 54d8cac8..fa9f1c9a 100644
--- a/setup.py
+++ b/setup.py
@@ -8,6 +8,9 @@
       long_description_content_type="text/markdown",
       license="BSD-3-Clause",
       packages=find_packages(include=['unitree_sdk2py','unitree_sdk2py.*']),
+      package_data={
+          'unitree_sdk2py': ['utils/lib/*.so'],
+      },
       description='Unitree robot sdk version 2 for python',
       project_urls={
             "Source Code": "https://github.com/unitreerobotics/unitree_sdk2_python",
diff --git a/unitree_sdk2py/b2/__init__.py b/unitree_sdk2py/b2/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/unitree_sdk2py/b2/back_video/__init__.py b/unitree_sdk2py/b2/back_video/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/unitree_sdk2py/b2/front_video/__init__.py b/unitree_sdk2py/b2/front_video/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/unitree_sdk2py/b2/robot_state/__init__.py b/unitree_sdk2py/b2/robot_state/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/unitree_sdk2py/b2/sport/__init__.py b/unitree_sdk2py/b2/sport/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/unitree_sdk2py/b2/vui/__init__.py b/unitree_sdk2py/b2/vui/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/unitree_sdk2py/comm/__init__.py b/unitree_sdk2py/comm/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/unitree_sdk2py/g1/__init__.py b/unitree_sdk2py/g1/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/unitree_sdk2py/h1/__init__.py b/unitree_sdk2py/h1/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/unitree_sdk2py/h1/loco/__init__.py b/unitree_sdk2py/h1/loco/__init__.py
new file mode 100644
index 00000000..e69de29b