Why my purchase pending

Hello Nurtajbabu.

Thanks for reaching out to Apple Support Communities.

"If you see a pending charge for a small amountIf you update your billing information or add someone to your Family Sharing group, a temporary authorization hold for a small amount might appear on your statement. Authorization holds are removed by your card issuer or financial institution after a short time."

How apps, content, and subscriptions from Apple are billed

Cheers.