update video demo's path in readthedocs, test=doc

README.md

@@ -143,6 +143,8 @@ For more synthesized audios, please refer to [PaddleSpeech Text-to-Speech sample
   
 <div align="center"><a href="https://www.bilibili.com/video/BV1cL411V71o?share_source=copy_web"><img src="https://ai-studio-static-online.cdn.bcebos.com/06fd746ab32042f398fb6f33f873e6869e846fe63c214596ae37860fe8103720" / width="500px"></a></div>
 
+- [PaddleSpeech Demo Video for NAACL 2022 Demo Paper](https://paddlespeech.readthedocs.io/en/latest/demo_video.html)
+
 ### 🔥 Hot Activities
 
 - 2021.12.21~12.24

README_cn.md

@@ -147,6 +147,8 @@ from https://github.com/18F/open-source-guide/blob/18f-pages/pages/making-readme
   
 <div align="center"><a href="https://www.bilibili.com/video/BV1cL411V71o?share_source=copy_web"><img src="https://ai-studio-static-online.cdn.bcebos.com/06fd746ab32042f398fb6f33f873e6869e846fe63c214596ae37860fe8103720" / width="500px"></a></div>
 
+- [PaddleSpeech 投稿 NAACL 2022 Demo Paper 的示例视频](https://paddlespeech.readthedocs.io/en/latest/demo_video.html)
+
 
 ### 🔥 热门活动
 

docs/source/index.rst

@@ -41,7 +41,7 @@ Contents
    tts/gan_vocoder
    tts/demo
    tts/demo_2
-   tts/demo_video
+   
 
 .. toctree::
    :maxdepth: 1
@@ -51,9 +51,10 @@ Contents
 
 .. toctree::
    :maxdepth: 1
-   :caption: Demo Video
+   :caption: Demos
 
    demo_video
+   tts_demo_video
 
 
 .. toctree::