php 调用 dll文件

<?php
$dw = new COM("DynamicWrapper") or die("创建COM失败");

//$oldDir="D:\IncrementUpdate\oldVersion";
//$oldLen =29;
//$newDir ="D:\IncrementUpdate\newVersion";
//$newLen =29;
//$infoDir ="D:\IncrementUpdate\diffAPK";
//$infoLen =26;




$dw->Register("UpdateM.dll", "update_maker");
$ch = $dw->update_maker("D:\IncrementUpdate\oldVersion",29,"D:\IncrementUpdate\newVersion",29,"D:\IncrementUpdate\diffAPK",26);
// public native static int update_maker($oldDir,$oldLen,$newDir, $newLen,$infoDir,$infoLen);



?>
报错了


Fatal error: Uncaught exception 'com_exception' with message 'Error [0x80070057] ²ÎÊý´íÎó¡£ ' in C:\AppServ\www\ireadygo_boss\apk\apkzip.php:14 Stack trace: #0 C:\AppServ\www\ireadygo_boss\apk\apkzip.php(14): com->Register('UpdateM.dll', 'update_maker') #1 {main} thrown in C:\AppServ\www\ireadygo_boss\apk\apkzip.php on line 14

帮帮忙了 看看啥原因了 谢谢