diff --git a/demos/audio_tagging/README.md b/demos/audio_tagging/README.md
index 88ff363750e0453e3766a9d6b465d26075e2c785..7ee9b6f7a90ec5ab43dddb91dd7484b8d331ee5e 100644
--- a/demos/audio_tagging/README.md
+++ b/demos/audio_tagging/README.md
@@ -9,9 +9,9 @@ This demo is an implementation to tag an audio file with 527 [AudioSet](https://
 
 ## Usage
 ### 1. Installation
-```bash
-pip install paddlespeech
-```
+see https://github.com/PaddlePaddle/PaddleSpeech/blob/develop/docs/source/install.md. 
+
+You can choose one way from easy, meduim and hard to install paddlespeech.
 
 ### 2. Prepare Input File
 The input of this demo should be a WAV file(`.wav`).
diff --git a/demos/audio_tagging/README_cn.md b/demos/audio_tagging/README_cn.md
index 3331a83a69625f178c685fbe18b565c2e70e3a03..eb527d9988cbc789ca21b121f2c228f4b219fa71 100644
--- a/demos/audio_tagging/README_cn.md
+++ b/demos/audio_tagging/README_cn.md
@@ -9,9 +9,10 @@
 
 ## 使用方法
 ### 1. 安装
-```bash
-pip install paddlespeech
-```
+请看 https://github.com/PaddlePaddle/PaddleSpeech/blob/develop/docs/source/install_cn.md 。
+
+你可以从easy，medium，hard三中方式中选择一种方式安装。
+
 ### 2. 准备输入
 这个 demo 的输入应该是一个 WAV 文件（`.wav`），
 
diff --git a/demos/automatic_video_subtitiles/README.md b/demos/automatic_video_subtitiles/README.md
index df4b0e264b1f1a5c64d896efe06bb44dc631630e..365b65073dce254555ea2bd96c69658630e1dbce 100644
--- a/demos/automatic_video_subtitiles/README.md
+++ b/demos/automatic_video_subtitiles/README.md
@@ -8,9 +8,9 @@ This demo is an implementation to automatic video subtitles from a video file. I
 
 ## Usage
 ### 1. Installation
-```bash
-pip install paddlespeech
-```
+see https://github.com/PaddlePaddle/PaddleSpeech/blob/develop/docs/source/install.md. 
+
+You can choose one way from easy, meduim and hard to install paddlespeech.
 
 ### 2. Prepare Input
 Get a video file with the speech of the specific language:
diff --git a/demos/automatic_video_subtitiles/README_cn.md b/demos/automatic_video_subtitiles/README_cn.md
index b217f921d7d5203a09308c050a3b076bf977a8a6..1d13691c3021e62e7161b739651ce724fec5aa6c 100644
--- a/demos/automatic_video_subtitiles/README_cn.md
+++ b/demos/automatic_video_subtitiles/README_cn.md
@@ -6,9 +6,10 @@
 这个 demo 是一个为视频自动生成字幕的实现，它可以通过使用 `PaddleSpeech` 的单个命令或 python 中的几行代码来实现。
 ## 使用方法
 ### 1. 安装
-```bash
-pip install paddlespeech
-```
+请看 https://github.com/PaddlePaddle/PaddleSpeech/blob/develop/docs/source/install_cn.md 。
+
+你可以从easy，medium，hard三中方式中选择一种方式安装。
+
 ### 2. 准备输入
 获取包含特定语言语音的视频文件：
 ```bash
diff --git a/demos/punctuation_restoration/README.md b/demos/punctuation_restoration/README.md
index 966e387c6431bdb8b8da63c48ea693817111f2f6..4010d888bd11d1541280620433df7d8c2d4c98ac 100644
--- a/demos/punctuation_restoration/README.md
+++ b/demos/punctuation_restoration/README.md
@@ -7,9 +7,10 @@ This demo is an implementation to restore punctuation from raw text. It can be d
 
 ## Usage
 ### 1. Installation
-```bash
-pip install paddlespeech
-```
+see https://github.com/PaddlePaddle/PaddleSpeech/blob/develop/docs/source/install.md. 
+
+You can choose one way from easy, meduim and hard to install paddlespeech.
+
 ### 2. Prepare Input
 The input of this demo should be a text of the specific language that can be passed via argument.
 
diff --git a/demos/punctuation_restoration/README_cn.md b/demos/punctuation_restoration/README_cn.md
index 4f1e012391cfb899cecd375d33a12a6e80923985..5133174c6be88e2f52ed42f608f1f63791b2ca55 100644
--- a/demos/punctuation_restoration/README_cn.md
+++ b/demos/punctuation_restoration/README_cn.md
@@ -9,9 +9,10 @@
 
 ## 使用方法
 ### 1. 安装
-```bash
-pip install paddlespeech
-```
+请看 https://github.com/PaddlePaddle/PaddleSpeech/blob/develop/docs/source/install_cn.md 。
+
+你可以从easy，medium，hard三中方式中选择一种方式安装。
+
 ### 2. 准备输入
 这个 demo 的输入是通过参数传递的特定语言的文本。
 
diff --git a/demos/speech_recognition/README.md b/demos/speech_recognition/README.md
index f7df6f0deca19bcacea33b86b51bcb9278ac546d..9fc7f088f601f6e2b7dc48673a860022f6904ba6 100644
--- a/demos/speech_recognition/README.md
+++ b/demos/speech_recognition/README.md
@@ -8,9 +8,10 @@ This demo is an implementation to recognize text from a specific audio file. It
 
 ## Usage
 ### 1. Installation
-```bash
-pip install paddlespeech
-```
+see https://github.com/PaddlePaddle/PaddleSpeech/blob/develop/docs/source/install.md. 
+
+You can choose one way from easy, meduim and hard to install paddlespeech.
+
 
 ### 2. Prepare Input File
 The input of this demo should be a WAV file(`.wav`), and the sample rate must be the same as the model.
diff --git a/demos/speech_translation/README.md b/demos/speech_translation/README.md
index a2041b0c9bff13f36327dc3abb3e1f780d970416..277bb387254c9024c8382827a7b4a62f8125a124 100644
--- a/demos/speech_translation/README.md
+++ b/demos/speech_translation/README.md
@@ -7,9 +7,10 @@ This demo is an implementation to recognize text from a specific audio file and
 
 ## Usage
 ### 1. Installation
-```bash
-pip install paddlespeech
-```
+see https://github.com/PaddlePaddle/PaddleSpeech/blob/develop/docs/source/install.md. 
+
+You can choose one way from easy, meduim and hard to install paddlespeech.
+
 
 ### 2. Prepare Input File
 The input of this demo should be a WAV file(`.wav`).
diff --git a/demos/speech_translation/README_cn.md b/demos/speech_translation/README_cn.md
index affa82282798e6107998140c172b5f240cf8ffa2..bf0bfcf5630119671de28b3342d13ba9b969940c 100644
--- a/demos/speech_translation/README_cn.md
+++ b/demos/speech_translation/README_cn.md
@@ -8,9 +8,10 @@
 
 ## 使用方法
 ### 1. 安装
-```bash
-pip install paddlespeech
-```
+请看 https://github.com/PaddlePaddle/PaddleSpeech/blob/develop/docs/source/install_cn.md 。
+
+你可以从easy，medium，hard三中方式中选择一种方式安装。
+
 ### 2. 准备输入
 这个 Demo 的输入是 WAV(`.wav`) 语音文件
 
diff --git a/demos/text_to_speech/README.md b/demos/text_to_speech/README.md
index 785c2a623316e76ed0cc7aba18b927a54faa908f..1c235b690b745d070b0d70a5030131c10d2dea9e 100644
--- a/demos/text_to_speech/README.md
+++ b/demos/text_to_speech/README.md
@@ -8,9 +8,10 @@ This demo is an implementation to generate audio from the given text. It can be
 
 ## Usage
 ### 1. Installation
-```bash
-pip install paddlespeech
-```
+see https://github.com/PaddlePaddle/PaddleSpeech/blob/develop/docs/source/install.md. 
+
+You can choose one way from easy, meduim and hard to install paddlespeech.
+
 
 ### 2. Prepare Input
 The input of this demo should be a text of the specific language that can be passed via argument.
diff --git a/demos/text_to_speech/README_cn.md b/demos/text_to_speech/README_cn.md
index 0b2cd0b5dad69a8bdb7cea6f42666dfa05a837c4..0a4546c783f50911322f7533a0b830ff40866804 100644
--- a/demos/text_to_speech/README_cn.md
+++ b/demos/text_to_speech/README_cn.md
@@ -9,9 +9,10 @@
 
 ## 使用方法
 ### 1. 安装
-```bash
-pip install paddlespeech
-```
+请看 https://github.com/PaddlePaddle/PaddleSpeech/blob/develop/docs/source/install_cn.md 。
+
+你可以从easy，medium，hard三中方式中选择一种方式安装。
+
 ### 2. 准备输入
 
 这个 demo 的输入是通过参数传递的特定语言的文本。