Update README.md

README.md

 # MiniCPM-o 2.6 
 ## 论文
 
-[MiniCPM-o 2.6: A GPT-4o Level MLLM for Vision, Speech, and Multimodal Live Streaming on Your Phone](https://openbmb.notion.site/MiniCPM-o-2-6-A-GPT-4o-Level-MLLM-for-Vision-Speech-and-Multimodal-Live-Streaming-on-Your-Phone-185ede1b7a558042b5d5e45e6b237da9)
+[MiniCPM-V: A GPT-4V Level MLLM on Your Phone](https://arxiv.org/abs/2408.01800)
 
 
 ## 模型结构