Update README.md

README.md

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 🚀 GitHub: For more information such as demo, fine-tuning, and query prompts, please refer to [Our GitHub](https://github.com/THUDM/CogVLM/)
 
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 ## Reminder
 
 📍 **This is the ``cogagent-vqa`` version of CogAgent checkpoint.**
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 3. ``cogagent-vqa``: [This model](https://huggingface.co/THUDM/cogagent-vqa-hf) has *stronger* capabilities in **single-turn visual dialogue**.
   
    If you need to **work on VQA benchmarks** (such as MMVET, VQAv2), we recommend using this model.
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 ## Introduction
 
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     <img src="https://raw.githubusercontent.com/THUDM/CogVLM/master/assets/cogagent_function.jpg" alt="img" style="zoom: 50%;" />
 </div>
 
+Models weight in this repository for academic research is **free**.
+Users who wish to use the models for **commercial purposes** must register **[here](https://open.bigmodel.cn/mla/form)**.
+Registered users may use the models for commercial activities free of charge, but must comply with all terms and conditions of this license.
+The license notice shall be included in all copies or substantial portions of the Software.
+
 ## Quick Start
 
 use this python code to get started quickly in `cli_demo.py`: