尝试以下代码

add_action( \'personal_options_update\', \'save_user_profile_update\' );
add_action( \'edit_user_profile_update\', \'save_user_profile_update\' );

function save_user_profile_update( $user_id ) {

    update_user_meta( $user_id, \'address\', $_POST[\'address\'] );
    update_user_meta( $user_id, \'city\', $_POST[\'city\'] );
    update_user_meta( $user_id, \'postalcode\', $_POST[\'postalcode\'] );
}