Update README.md

README.md

@@ -43,4 +43,24 @@ with torch.no_grad():
     embeddings = last_hidden_state[:, 0]
 print("embeddings:")
 print(embeddings)
+```
+
+## Contact
+If you have any question or suggestion related to this project, feel free to open an issue or pull request.
+You also can email Tong Wu(townswu@tencent.com). 
+
+
+## Citation
+
+If you find our work helpful for your research, please consider citing the following BibTeX entry:
+
+```
+
+@article{wu2023towards,
+  title={Towards Robust Text Retrieval with Progressive Learning},
+  author={Wu, Tong and Qin, Yulei and Zhang, Enwei and Xu, Zihan and Gao, Yuting and Li, Ke and Sun, Xing},
+  journal={arXiv preprint arXiv:2311.11691},
+  year={2023}
+}
+
 ```