add video in readme

Author: Neutree

README.md

@@ -37,10 +37,13 @@ MaixPy offers simple Python programming combined with powerful edge computing ha
 
 Additionally, MaixPy provides the MaixVision IDE, MaixHub online training platform, detailed documentation, and even a C/C++ SDK with identical APIs, ensuring seamless development and production deployment.
 
-For more features and video demonstrations, please visit the **official website: [wiki.sipeed.com/maixpy/](https://wiki.sipeed.com/maixpy/)**
+Here is a partial video demonstration of the features. For more documentation, please visit the **official website: [wiki.sipeed.com/maixpy/](https://wiki.sipeed.com/maixpy/)**
 
 > If you like this project, please click **Star** on the top right of the [MaixPy Project](https://github.com/sipeed/maixpy) to encourage us to develop more exciting content!
 
+[![](./docs/static/image/maixcam_play.jpg)](https://www.youtube.com/watch?v=qV1lw0UVUYI)
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 ## Concise and Efficient Code (API) Design
 
 With MaixPy you can easily create **AI vision project** within **10 lines of code**:

README_ZH.md

@@ -38,10 +38,12 @@ MaixPy 提供简易的 Python 编程和性能强大的边缘计算硬件，内
 
 并且提供 MaixVision IDE, MaixHub 云端训练平台，详细的文档，甚至有相同 API 的 C/C++ SDK，帮助你无障碍开发和量产落地。
 
-更多特性和视频展示请访问**官网: [wiki.sipeed.com/maixpy/](https://wiki.sipeed.com/maixpy/)**
-
+下面是部分功能视频展示，更多功能和文档请访问**官网: [wiki.sipeed.com/maixpy/](https://wiki.sipeed.com/maixpy/)**
 > 喜欢请点击 [MaixPy 项目](https://github.com/sipeed/maixpy)右上角 **Star** 鼓励我们开发更多有趣内容！
 
+[![](./docs/static/image/maixcam_play.jpg)](https://www.bilibili.com/video/BV1ncmRYmEDv)
+
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 ## 简洁高效的代码(API)设计
 
 使用 MaixPy 轻松创建 **AI 视觉项目**，只需 **10 行代码**: