Update README.md

README.md

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-[![My Skills](https://skillicons.dev/icons?i=nextjs,tailwind,react,vercel,ts,supabase)](https://skillicons.dev)<a href="https://www.buymeacoffee.com/iguangzhengli" target="_blank"><img src="https://www.buymeacoffee.com/assets/img/custom_images/orange_img.png" alt="Buy Me A Coffee" style="height: 41px !important;width: 174px !important;box-shadow: 0px 3px 2px 0px rgba(190, 190, 190, 0.5) !important;-webkit-box-shadow: 0px 3px 2px 0px rgba(190, 190, 190, 0.5) !important;" >[![](https://dcbadge.vercel.app/api/server/csbvfX5b)](https://discord.gg/csbvfX5b)
+[![My Skills](https://skillicons.dev/icons?i=nextjs,tailwind,react,vercel,ts,supabase)](https://skillicons.dev)<a href="https://www.buymeacoffee.com/iguangzhengli" target="_blank"><img src="https://www.buymeacoffee.com/assets/img/custom_images/orange_img.png" alt="Buy Me A Coffee" style="height: 41px !important;width: 174px !important;box-shadow: 0px 3px 2px 0px rgba(190, 190, 190, 0.5) !important;-webkit-box-shadow: 0px 3px 2px 0px rgba(190, 190, 190, 0.5) !important;" >
 
 # ChatFiles
 
-# Upgrade ChatFiles to [VectorHub](https://github.com/guangzhengli/vectorhub)
-
 ## Deploy with Vercel
 
 <p align="center">