Update README.md

README.md

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 ## Dataset Description
 
 - **Homepage:** [LORIS](https://justinyuu.github.io/LORIS)
-- **Repository:** https://github.com/OpenGVLab/LORIS
+- **Repository:** [OpenGVLab-LORIS](https://github.com/OpenGVLab/LORIS)
 - **Paper:** https://arxiv.org/pdf/2305.01319.pdf
-- **Point of Contact:** mailto:yujiashuo@pjlab.org.cn
+- **Point of Contact:** [yujiashuo](mailto:yujiashuo@pjlab.org.cn)
 
 ### Dataset Summary