Update README.md

README.md

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 # Updates
 
 - 🚀🚀🚀 [May 6, 2024] We now introduce Llama3-8B-Chinese-Chat-**v2.1**! Compared to v1, the training dataset of v2.1 is **5x larger** (~100K preference pairs), and it exhibits significant enhancements, especially in **roleplay**, **function calling**, and **math** capabilities! Compared to v2, v2.1 surpasses v2 in **math** and is **less prone to including English words in Chinese responses**. The training dataset of Llama3-8B-Chinese-Chat-v2.1 will be released soon. If you love our Llama3-8B-Chinese-Chat-v1 or v2, you won't want to miss out on Llama3-8B-Chinese-Chat-v2.1!
+- 🔥 We provide an online interactive demo for Llama3-8B-Chinese-Chat-v2 [here](https://huggingface.co/spaces/llamafactory/Llama3-8B-Chinese-Chat). Have fun with our latest model!
 - 🔥 We provide the official **Ollama model for the q4_0 GGUF** version of Llama3-8B-Chinese-Chat-v2.1 at [wangshenzhi/llama3-8b-chinese-chat-ollama-q4](https://ollama.com/wangshenzhi/llama3-8b-chinese-chat-ollama-q4)! Run the following command for quick use of this model: `ollama run wangshenzhi/llama3-8b-chinese-chat-ollama-q4`.
 - 🔥 We provide the official **Ollama model for the q8_0 GGUF** version of Llama3-8B-Chinese-Chat-v2.1 at [wangshenzhi/llama3-8b-chinese-chat-ollama-q8](https://ollama.com/wangshenzhi/llama3-8b-chinese-chat-ollama-q8)! Run the following command for quick use of this model: `ollama run wangshenzhi/llama3-8b-chinese-chat-ollama-q8`.
 - 🔥 We provide the official **Ollama model for the f16 GGUF** version of Llama3-8B-Chinese-Chat-v2.1 at [wangshenzhi/llama3-8b-chinese-chat-ollama-fp16](https://ollama.com/wangshenzhi/llama3-8b-chinese-chat-ollama-fp16)! Run the following command for quick use of this model: `ollama run wangshenzhi/llama3-8b-chinese-chat-ollama-fp16`.