diff --git a/README.md b/README.md
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@@ -1,12 +1,26 @@
 # dlna-media-render
+
 using mpv as DLNA media render runing on *unix platform
 
-## usage
+![demo](demo.png)
+
+## Install
+
+### 1. install mpv in your computer
+
+### 2. install python dependency
+
+```shell
+pip install cherrypy lxml
+```
+
 
-pip install charrypy lxml
 
-python main.py
+## Usage
 
+```shell
+python3 main.py
+```
 
 ## Relevant links
 
diff --git a/demo.png b/demo.png
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diff --git a/requirements.txt b/requirements.txt
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+cherrypy
+lxml