不能，官方说了，
The first rule of Steemit is: Do not lose your password.
The second rule of Steemit is: Do not lose your password.
The third rule of Steemit is: We cannot recover your password.
The fourth rule: If you can remember the password, it's not secure.
The fifth rule: Use only randomly-generated passwords.
The sixth rule: Do not tell anyone your password.
The seventh rule: Always back up your password.