diff --git a/README-CN.md b/README-CN.md
index c792dd6..f935d5c 100644
--- a/README-CN.md
+++ b/README-CN.md
@@ -56,6 +56,13 @@
 | --- | ----------- | ----- |
 |@miven| https://pan.baidu.com/s/1PI-hM3sn5wbeChRryX-RCQ 提取码：2021 | https://www.bilibili.com/video/BV1uh411B7AD/)
 
+### 2.3 训练声码器 (Optional)
+* 预处理数据:
+`python vocoder_preprocess.py <datasets_root>`
+
+* 训练声码器:
+`python vocoder_train.py mandarin <datasets_root>`
+
 ### 3. 启动工具箱
 然后您可以尝试使用工具箱：
 `python demo_toolbox.py -d <datasets_root>`
diff --git a/README.md b/README.md
index b237dac..da19bc2 100644
--- a/README.md
+++ b/README.md
@@ -57,6 +57,14 @@ Allow parameter `--dataset {dataset}` to support adatatang_200zh, magicdata, ais
 
 > A link to my early trained model: [Baidu Yun](https://pan.baidu.com/s/10t3XycWiNIg5dN5E_bMORQ)
 Code：aid4
+
+### 2.3 Train vocoder (Optional)
+* Preprocess the data:
+`python vocoder_preprocess.py <datasets_root>`
+
+* Train the vocoder:
+`python vocoder_train.py mandarin <datasets_root>`
+
 ### 3. Launch the Toolbox
 You can then try the toolbox: