zentao/extension/ipd/bug/ext/config/zentaomax.php

<?php
global $lang;
$config->bug->listFields     .= ',injection,identify';
$config->bug->exportFields   .= ',injection,identify';
$config->bug->templateFields .= ',injection,identify';

$config->bug->form->create['injection'] = array('required' => false, 'type' => 'string', 'default' => '');
$config->bug->form->create['identify']  = array('required' => false, 'type' => 'string', 'default' => '');

$config->bug->form->edit['injection'] = array('required' => false, 'type' => 'string', 'default' => '');
$config->bug->form->edit['identify']  = array('required' => false, 'type' => 'string', 'default' => '');

$config->bug->form->batchCreate['injection'] = array('required' => false, 'type' => 'string', 'default' => '');
$config->bug->form->batchCreate['identify']  = array('required' => false, 'type' => 'string', 'default' => '');