text: DROP TABLE IF EXISTS `ly_user_attribute`;
  DROP TABLE IF EXISTS `ly_user_follow`;
  DROP TABLE IF EXISTS `ly_user_message`;
  DROP TABLE IF EXISTS `ly_user_attr`;
  DROP TABLE IF EXISTS `ly_user_type`;
  DROP TABLE IF EXISTS `ly_user_score_log`;
  DROP TABLE IF EXISTS `ly_user_login_log`;
  DROP TABLE IF EXISTS `ly_user_message_push`;
  DROP TABLE IF EXISTS `ly_user_address`;
  DROP TABLE IF EXISTS `ly_user_cert`;
  