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Hi สุนันท์,
Thanks for contacting us.
It is my understanding that you recently made an accidental purchase from the iTunes Store. As a customer myself, I can certainly see how important it is for you to reverse the charge. No worries, I am happy to help you with all the required information to have this concern addressed.
I’ve reviewed your account and found that we issued you a refund on 06/01/2016 amounting to 69.99 USD. The refund should be available within ten business days of when we processed it.
For more information on managing your subscriptions, including how to disable the auto-renewal feature, see this article: