diff --git a/third_party/README.md b/third_party/README.md
index d2c8c415fd1f92cc52dfee3283f075407c845df8..1f3c45ec124f2a740953d7428510cf4b0d7f0835 100644
--- a/third_party/README.md
+++ b/third_party/README.md
@@ -1,6 +1,13 @@
+# python_kaldi_features
+
+[python_kaldi_features](https://github.com/ZitengWang/python_kaldi_features)  
+commit: fc1bd6240c2008412ab64dc25045cd872f5e126c  
+ref: https://zhuanlan.zhihu.com/p/55371926  
+license: MIT
+
 # install ctc_decoder for windows
 
-This is bat script to install paddlespeech_ctc_decoders for windows
+`install_win_ctc.bat` is bat script to install paddlespeech_ctc_decoders for windows
 
 ## Prepare your environment