Why readme page is showing instead of my src/index.js code /react

Hello , 

I did everything based on the document , 

still the read me file is showing when I call my page ,

nothing would change that, I even deleted the readme file and checked in , deployed agian , nothing is changed 

thank you 

I created new copy of the same repositpry and redo the steps  , it is fine now . but never undrstand what is rong with the other one