zentao/extension/ipd/custom/ext/lang/zh-cn/zentaoipd.php

<?php
$lang->custom->epic->fields['epicGrade'] = '层级设置';
$lang->custom->epic->fields['gradeRule'] = '细分流程';

$lang->custom->requirement->fields['requirementGrade'] = '层级设置';
$lang->custom->requirement->fields['gradeRule']        = '细分流程';

$lang->custom->story->fields['storyGrade'] = '层级设置';
$lang->custom->story->fields['gradeRule']  = '细分流程';

$lang->custom->gradeStatusList['enable']  = '正常';
$lang->custom->gradeStatusList['disable'] = '停用';

$lang->custom->epicGrade        = "{$lang->ERCommon}层级设置";
$lang->custom->requirementGrade = "{$lang->URCommon}层级设置";
$lang->custom->storyGrade       = "{$lang->SRCommon}层级设置";

$lang->custom->closeGrade    = '停用需求层级';
$lang->custom->activateGrade = '启用需求层级';
$lang->custom->deleteGrade   = '删除需求层级';

$lang->custom->notice->closeGrade    = "停用后，该层级无法再创建新需求。";
$lang->custom->notice->activateGrade = "启用后，该层级可以创建新需求。";
$lang->custom->notice->gradeNotEmpty = '系统内存在该层级的需求，不能删除！';
$lang->custom->notice->deleteGrade   = '层级删除后无法恢复！';

$lang->custom->charterFiles['1']['type'] = 'roadmap';

$lang->custom->charter->tips->type = '项目级别影响其规模和复杂性。路标通常作为战略和业务目标的中长期规划，而计划则作为近期产品研发的安排。不同的项目等级和规划方式决定了立项时需要提交的资料。';