Update README.md

README.md

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 ## Introduction
 We are open-sourcing Step-Audio-EditX, a powerful **3B-parameter** LLM-based **Reinforcement Learning** audio model specialized in expressive and iterative audio editing. It excels at editing emotion, speaking style, and paralinguistics, and also features robust zero-shot text-to-speech (TTS) capabilities. 
 
-![QRCode](https://cdn-uploads.huggingface.co/production/uploads/66518fd07d8cb2629a514c18/cy79C2oJhemDfDGXdAJc7.jpeg)
-WeChat Developer Group
-
 ## 📑 Open-source Plan
 - [x] Inference Code
 - [x] Online demo (Gradio)
@@ -48,7 +45,30 @@ WeChat Developer Group
   - [ ] Other Languages
     - [x] Japanese, Korean
     - [ ] Arabic, French, Russian, Spanish, etc.
-  
+
+## Online demonstration
+
+### StepFun Audio Studio
+
+- Both Step-Audio-EditX are available in our [StepFun Audio Studio](https://www.stepfun.com/studio/audio).
+- You will need an API key from the [StepFun Open Platform](https://platform.stepfun.com/).
+
+### StepFun AI Assistant
+
+- Step-Audio 2 is also available in our StepFun AI Assistant mobile App with both web and audio search tools enabled.
+- Please scan the following QR code to download it from your app store then tap the phone icon in the top-right corner.
+
+<div align="center">
+  <img src="./assets/qrcode.jpg" width="200" alt="QR code">
+</div>
+
+## WeChat group
+
+You can scan the following QR code to join our WeChat group for communication and discussion.
+<div align="center">
+  <img src="https://cdn-uploads.huggingface.co/production/uploads/66518fd07d8cb2629a514c18/DRdnp1SN-yxhlNOfy26mE.jpeg" width="200" alt="QR code">
+</div>
+
 ## Features
 - **Zero-Shot TTS**
   - Excellent zero-shot TTS cloning for Mandarin, English, Sichuanese, and Cantonese.