diff --git a/configs/cylinder3d/metafile.yml b/configs/cylinder3d/metafile.yml
index 2131f729c..96c1e1fbf 100644
--- a/configs/cylinder3d/metafile.yml
+++ b/configs/cylinder3d/metafile.yml
@@ -11,7 +11,7 @@ Collections:
       Title: 'Cylindrical and Asymmetrical 3D Convolution Networks for LiDAR Segmentation'
     README: configs/cylinder3d/README.md
     Code:
-      URL:
+      URL: https://github.com/open-mmlab/mmdetection3d/blob/dev-1.x/mmdet3d/models/segmentors/cylinder3d.py#L13
       Version: v1.1.0rc3
 
 Models: