Under this setting option, we drop down the page and then we will see the APPStore. Click this item to jump to our personal account interface. After clicking, you can check our ID and registered email address. Then, click View AppleID, and we will be asked to enter the password of ItunesStore. After the password is entered correctly, switch to the account setting page, and we will see the management item under subscription, and then turn off the system default automatic renewal in this item.