Update README.md

README.md

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 <h1>A GPT-4o Level MLLM for Vision, Speech and Multimodal Live Streaming on Your Phone</h1>
 
 ## MiniCPM-o 2.6 int4
-This is the int4 quantized version of [**MiniCPM-o 2.6**](https://huggingface.co/openbmb/MiniCPM-o-2_6).   
+This is the int4 quantized version of [**MiniCPM-o 2.6**](https://github.com/RanchiZhao/AutoGPTQ).   
 Running with int4 version would use lower GPU memory (about 9GB).
 
 ### Prepare code and install AutoGPTQ