White page after deploy

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this is my netlify url : https://focused-mccarthy-3df3e2.netlify.app/
this is my github repo: https://github.com/Lee-Park-Bae-Project/KAKIOTALK
build is successful but not working on netlify site!

How can i solve it?

hi! it seems to be working for me:

Screen Shot 2020-08-03 at 11.37.45