diff --git a/damo/base_models/backbones/nas_backbones/__init__.py b/damo/base_models/backbones/nas_backbones/__init__.py
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/damo/base_models/backbones/nas_backbones/__init__.py
@@ -0,0 +1 @@
+
diff --git a/damo/base_models/core/__init__.py b/damo/base_models/core/__init__.py
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/damo/base_models/core/__init__.py
@@ -0,0 +1 @@
+
diff --git a/damo/base_models/losses/__init__.py b/damo/base_models/losses/__init__.py
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/damo/base_models/losses/__init__.py
@@ -0,0 +1 @@
+
diff --git a/damo/detectors/__init__.py b/damo/detectors/__init__.py
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/damo/detectors/__init__.py
@@ -0,0 +1 @@
+
diff --git a/setup.py b/setup.py
index f39c737..f0ee245 100644
--- a/setup.py
+++ b/setup.py
@@ -38,4 +38,7 @@ def get_install_requirements():
     ],
     cmdclass={'build_ext': torch.utils.cpp_extension.BuildExtension},
     packages=setuptools.find_packages(),
+    package_data={
+    'damo.base_models.backbones.nas_backbones': ['*.txt'],
+    },
 )