About damage in mcpe 1.17.20.22

Hello I am Anish

Mcpe account=Anishraj44

I want to tell you about I can't get damage in mcpe 1.17.20.22 I play with my sister we both can't get damage by any mob and we can't able to hit and get damage only when ender dragon throw his breath we get damage plz it's a humble request remove this issue