Add original authors pretrained model links to model card

README.md

@@ -34,6 +34,12 @@ The Selective Layer Summarization (SLS) classifier extracts attention-weighted f
 
 **Recommended**: Use `v1/epoch_2.pth` — it generalizes better to unseen attack types (DF, In-the-Wild).
 
+### Original authors' pretrained models
+
+The original pretrained checkpoints from Zhang et al. are available from:
+- [Google Drive](https://drive.google.com/drive/folders/13vw_AX1jHdYndRu1edlgpdNJpCX8OnrH?usp=sharing)
+- [Baidu Pan](https://pan.baidu.com/s/1dj-hjvf3fFPIYdtHWqtCmg?pwd=shan) (password: shan)
+
 ## Results
 
 | Track | Paper EER (%) | v1 EER (%) | v2 EER (%) |