zentao/module/projectplan/lang/zh-cn.php

<?php
$lang->projectplan = new stdclass();
$lang->projectplan->common  = "{$lang->projectCommon}计划";
$lang->projectplan->browse  = "{$lang->projectCommon}计划列表";
$lang->projectplan->create  = "新增{$lang->projectCommon}计划";
$lang->projectplan->edit    = "编辑{$lang->projectCommon}计划";
$lang->projectplan->view    = "{$lang->projectCommon}计划详情";