diff --git a/pcdet/models/backbones_image/img_neck/__init__.py b/pcdet/models/backbones_image/img_neck/__init__.py
new file mode 100644
index 0000000..25e4680
--- /dev/null
+++ b/pcdet/models/backbones_image/img_neck/__init__.py
@@ -0,0 +1,4 @@
+from .generalized_lss import GeneralizedLSSFPN
+__all__ = {
+    'GeneralizedLSSFPN':GeneralizedLSSFPN,
+}
\ No newline at end of file