Update README.md

README.md

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     <a href="https://huggingface.co/spaces"><img src="https://img.shields.io/badge/%F0%9F%A4%97%20Hugging%20Face-Spaces-blue"></a>
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   | <a href="#quick-start"> Quick Start </a>
   | <a href="#quick-start-server"> Quick Start Server </a>
   | <a href="#quick-start-streaming-server"> Quick Start Streaming Server</a>
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-  </br>
   | <a href="#documents"> Documents </a>
   | <a href="#model-list"> Models List </a>
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 - 🤗  2021.12.14: [ASR](https://huggingface.co/spaces/KPatrick/PaddleSpeechASR) and [TTS](https://huggingface.co/spaces/KPatrick/PaddleSpeechTTS) Demos on Hugging Face Spaces are available!
 - 👏🏻  2021.12.10: `CLI` is available for `Audio Classification`, `Automatic Speech Recognition`, `Speech Translation (English to Chinese)` and `Text-to-Speech`.
 
-### 🔥 Hot Activities
-
-<!---
-2021.12.14: We would like to have an online courses to introduce basics and research of speech, as well as code practice with `paddlespeech`. Please pay attention to our [Calendar](https://www.paddlepaddle.org.cn/live).
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-- 2021.12.21~12.24
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-  4 Days Live Courses: Depth interpretation of PaddleSpeech!
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-  **Courses videos and related materials: https://aistudio.baidu.com/aistudio/education/group/info/25130**
 
 ### Community
-- Scan the QR code below with your Wechat (reply【语音】after your friend's application is approved), you can access to official technical exchange group. Look forward to your participation.
+- Scan the QR code below with your Wechat, you can access to official technical exchange group and get the bonus ( more than 20GB learning materials, such as papers, codes and videos ) and the live link of the lessons. Look forward to your participation.
 
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 <img src="https://user-images.githubusercontent.com/23690325/169763015-cbd8e28d-602c-4723-810d-dbc6da49441e.jpg"  width = "200"  />