diff --git a/README.md b/README.md
index 0e68942..bbe7ce1 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # LGN
 
-Pytorch implementation of [A Lexicon-Based Graph Neural Network for Chinese NER](http://jkx.fudan.edu.cn/~qzhang/paper/emnlp-2019.ner.pdf).
+Pytorch implementation of [A Lexicon-Based Graph Neural Network for Chinese NER](https://www.aclweb.org/anthology/D19-1096.pdf).
 
 The code is partially referred to https://github.com/jiesutd/LatticeLSTM.
 
@@ -85,4 +85,4 @@ When running main.py in test mode for pretrained models, you can get the results
 	 booktitle={2019 Conference on Empirical Methods in Natural Language Processing and 
 	 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP)},
 	 year={2019}  
-	}
\ No newline at end of file
+	}