Handle Authors

When I try simple test by the steps
1. Export node where author is *User1* from my administrator account *Root*. Take a code;
2. Import this code and see what author of node is *Root* ???

Must be author of the node is *User1*

How can fix it ?

code that I have receive than export

<?
array(
  array(
    'nid' => '3684',
    'type' => 'manual',
    'language' => 'en',
    'uid' => '74',
    'status' => '1',
    'created' => '1273498673',
    'changed' => '1273498820',
    'comment' => '2',
    'promote' => '0',
    'moderate' => '0',
    'sticky' => '0',
    'tnid' => '0',
    'translate' => '0',
    'vid' => '3686',
    'revision_uid' => '1',
    'title' => 'ffff',
    'body' => '',
    'teaser' => '',
    'log' => '',
    'revision_timestamp' => '1273498820',
    'format' => '0',
    'name' => 'User1',
    'picture' => 'sites/default/files/pictures/picture-74.gif',
    'data' => 'a:4:{s:13:\"form_build_id\";s:37:\"form-7d5a843ccd71a4537d581754576033ff\";s:16:\"hs_form_build_id\";s:40:\"hs_form_5c6c639e39aa2f24484403a5e6134482\";s:14:\"picture_delete\";s:0:\"\";s:14:\"picture_upload\";s:0:\"\";}',
    'field_manual_pecht' => array(
      '0' => array(
        'value' => NULL,
      ),
    ),
    'field_manual_format' => array(
      '0' => array(
        'value' => NULL,
      ),
    ),
    'field_manual_oblogka' => array(
      '0' => NULL,
    ),
    'field_manual_content' => array(
      '0' => array(
        'value' => NULL,
        'format' => NULL,
      ),
    ),
    'field_manual_year' => array(
      '0' => array(
        'value' => NULL,
      ),
    ),
    'field_manual_year_plan' => array(
      '0' => array(
        'value' => NULL,
      ),
    ),
    'field_manual_kolstr' => array(
      '0' => array(
        'value' => NULL,
      ),
    ),
    'field_manual_vidobl' => array(
      '0' => array(
        'value' => NULL,
      ),
    ),
    'field_manual_isbn' => array(
      '0' => array(
        'value' => NULL,
      ),
    ),
    'field_manual_tirag' => array(
      '0' => array(
        'value' => NULL,
      ),
    ),
    'field_manual_udk_hs' => array(
      '0' => array(
        'value' => '18113',
      ),
    ),
    'field_manual_udk_code' => array(
      '0' => array(
        'value' => ' [658.512]',
      ),
    ),
    'field_manual_mon' => array(
      '0' => array(
        'value' => NULL,
      ),
    ),
    'field_manual_pricepubl' => array(
      '0' => array(
        'value' => NULL,
      ),
    ),
    'field_manual_status' => array(
      '0' => array(
        'value' => 'Готовится по плану',
      ),
    ),
    'field_manual_cifrprice' => array(
      '0' => array(
        'value' => NULL,
      ),
    ),
    'field_manual_cifr' => array(
      '0' => array(
        'value' => NULL,
      ),
    ),
    'field_manual_googlebooks' => array(
      '0' => array(
        'url' => NULL,
        'title' => NULL,
        'attributes' => FALSE,
      ),
    ),
    'field_manual_annotation' => array(
      '0' => array(
        'value' => NULL,
        'format' => NULL,
      ),
    ),
    'field_manual_recenzia' => array(
      '0' => array(
        'value' => NULL,
        'format' => NULL,
      ),
    ),
    'field_manual_10_15_el' => array(
      '0' => NULL,
    ),
    'field_manual_content_el' => array(
      '0' => NULL,
    ),
    'field_manual_lang' => array(
      '0' => array(
        'value' => NULL,
      ),
    ),
    'field_manual_sod_ann_rec' => array(
      '0' => array(
        'value' => '  ',
      ),
    ),
    'field_manual_year_plan_izd' => array(
      '0' => array(
        'value' => ' ',
      ),
    ),
    'field_manual_authr' => array(
      '0' => array(
        'nid' => '939',
      ),
    ),
    'field_manual_tegi' => array(
      '0' => array(
        'value' => NULL,
      ),
    ),
    'last_comment_timestamp' => '1273498673',
    'last_comment_name' => NULL,
    'comment_count' => '0',
    'taxonomy' => array(
      '5' => array(
        '18113' => '18113',
      ),
    ),
    'menu' => array(
      'link_title' => '',
      'mlid' => 0,
      'plid' => 0,
      'menu_name' => 'primary-links',
      'weight' => 0,
      'options' => array(),
      'module' => 'menu',
      'expanded' => 0,
      'hidden' => 0,
      'has_children' => 0,
      'customized' => 0,
      'parent_depth_limit' => 8,
    ),
    '#_export_node_encode_object' => '1',
  ),
)
        ?>