zentao/extension/max/programplan/ext/lang/en/excel.php

<?php
$lang->programplan->exportTemplate = 'Export Template';
$lang->programplan->importTask     = 'Import Tasks';
$lang->programplan->showImport     = 'Import Confirm';
$lang->programplan->exportTaskTip  = 'Parent and child tasks must belong to the same execution. If the execution does not match, the execution of the parent task will be automatically used.';