diff --git a/README_cn.md b/README_cn.md
index ddf189c318f70c3ef86b6757af8f30ddfc1216fc..b542d9cee7ea6e301f664ac578b4389b1660d6de 100644
--- a/README_cn.md
+++ b/README_cn.md
@@ -468,7 +468,6 @@ PaddleSpeech 的 **语音合成** 主要包含三个模块：文本前端、声
   - [语音识别自定义训练](./docs/source/asr/quick_start.md)
     - [简介](./docs/source/asr/models_introduction.md)
     - [数据准备](./docs/source/asr/data_preparation.md)
-    - [数据增强](./docs/source/asr/augmentation.md)
     - [Ngram 语言模型](./docs/source/asr/ngram_lm.md)
   - [语音合成自定义训练](./docs/source/tts/quick_start.md)
     - [简介](./docs/source/tts/models_introduction.md)