You can change your email Login by following the steps below:
1. Sign in to the app
2. Touch the profile icon on the top left of the screen
3. Choose My Profile
4. Touch the Settings icon in the top right of the screen
5. Select Change Email Login
6. Enter current login password and new email Login. Then, select Change email
7. The system will notify you to change email successfully. Then you check the mailbox of the new email Login to confirm.