Update README.md

README.md

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 <!-- Provide a quick summary of the dataset. -->
 
 ## Dataset Summary
-This dataset is the rendered version of XNLI for fine-tuning pixel-based GPT models introduced by [paper](https://arxiv.org/pdf/2404.10710).
+This dataset is the rendered version of XNLI for fine-tuning pixel-based GPT models introduced by [paper](https://arxiv.org/pdf/2404.10710) and you can see [github](https://github.com/ernie-research/pixelgpt) for more details on how to use.
 
 ## Supported Tasks and Leaderboards