If i already cancelled my subscription, my money will be return back?

You have to ask for a refund; it isn’t automatic, and isn’t guaranteed that you will get a refund. But here is where to start→Request a refund for apps or content that you bought from Apple - Apple Support

If you got an email receipt, use the 'Report a Problem' link in it. Otherwise, click here and ask the iTunes Store staff for a refund.

Apple isn't obligated to grant one in most countries, and won't be anywhere without being asked.

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That is not how Apple subscriptions work.

Your subscription cancels at the end of your current billing period.

If you want to cancel a subscription from Apple - Apple Support

You can try asking a live person in App Store support; click on the Support link at the top or bottom of this page and navigate the menu to iTunes & App Store support.