zentao/extension/ipd/action/ext/config/oa.php

<?php
$config->action->objectNameFields['attend']   = 'date';
$config->action->objectNameFields['leave']    = 'begin';
$config->action->objectNameFields['lieu']     = 'begin';
$config->action->objectNameFields['overtime'] = 'begin';
$config->action->objectNameFields['makeup']   = 'begin';
$config->action->objectNameFields['holiday']  = 'name';