how can i change the email

You meant the Recipient E-mail of the form submission right?

You can follow this user guide:

https://www.jotform.com/help/41-Finding-out-E-mail-Address-used-for-submission-notifications

The form submission email is being sent tot the email address set in the Notification Recipient E-mail box.

Let us know if this is not what your inquiry was about.