chnage url

i will try to change url http://www.onhindi.in
to https://www.onhindi.in

first time it will chnaged successfully but when i try to change again same
it will change my whole site url
https://https//www.onhindi.in

now my post internal links and in comment author
my link will changed to https://https//www.onhindi.in

check my site and all page i want to remove this
check this post internal link
https://www.onhindi.in/whatsapp-payments-feature/

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