Update README.md

README.md

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 We utilize a novel framework, [RLAIF-V](https://github.com/RLHF-V/RLAIF-V), which **aligns MLLMs in a fully open-source paradigm**. This framework maximally exploits the [open-source feedback](https://huggingface.co/datasets/HaoyeZhang/RLAIF-V-Dataset) from two key perspectives, including **high-quality feedback data** and an **online feedback learning algorithm**. 
 
+<p align="center">
+  <img src="https://cdn-uploads.huggingface.co/production/uploads/6566e0c493e30c8a60048eb3/T4hALrgNdXKHnkvb-27bA.png" alt="fig1" width="70%"/>
+</p>
 
 ## Model Details
 
@@ -35,4 +38,7 @@ We utilize a novel framework, [RLAIF-V](https://github.com/RLHF-V/RLAIF-V), whic
 
 ### Model Description
 - **Related model:** [OmniLMM-12B](https://huggingface.co/openbmb/OmniLMM-12B)
-- **Trained on data:** [RLAIF-V-Dataset](https://huggingface.co/datasets/HaoyeZhang/RLAIF-V-Dataset)
+- **Trained on data:** [RLAIF-V-Dataset](https://huggingface.co/datasets/HaoyeZhang/RLAIF-V-Dataset)
+
+## Usage
+Please look at [GitHub](https://github.com/RLHF-V/RLAIF-V) for more details about usage.