phpmailer只能收到一个附件

phpmailer只能收到一个附件
使用的phpmailer最新版本了，而且我记得好像曾经收到过多个附件，今天测试发现只能收到一个附件了，有没有大侠试过？
<?php
 require_once("class.phpmailer.php");
 
 $mail = new PHPMailer();
 
 $mail->IsSMTP(); // send via SMTP
 $mail->Host = "smtp.test.com"; // SMTP servers
 $mail->SMTPAuth = false; // turn on SMTP authentication
 //$mail->Username = "jswan"; // SMTP username
 //$mail->Password = "secret"; // SMTP password$mail->CharSet = "GB2312";
 
 $mail->From = "[email protected]";
 $mail->FromName = "monitor";
 //$mail->AddAddress("[email protected]");
 $mail->AddAddress("[email protected]"," test");
 //$mail->AddAddress("[email protected]"); // optional name
 //$mail->AddReplyTo("[email protected]","Information");
 
 //$mail->WordWrap = 50; // set word wrap
 //$date="2009-04-18";
 $date=date("Y-m-d",time()-86400);
 //$mail->AddAttachment("/var/www/jpgraph/html/report_bj_2009-04-19.html"); // attachment
 //$mail->AddAttachment("/var/www/jpgraph/html/report_gz_2009-04-19.html"); // attachment
 //$mail->AddAttachment("/var/www/jpgraph/html/report_sz_2009-04-19.html"); // attachment
 $mail->AddAttachment("/var/www/jpgraph/html/report_bj_$date.html"); // attachment
 $mail->AddAttachment("/var/www/jpgraph/html/report_gz_$date.html"); // attachment
 $mail->AddAttachment("/var/www/jpgraph/html/report_sz_$date.html"); // attachment //$mail->AddAttachment("/tmp/image.jpg", "new.jpg");
 $mail->IsHTML(true); // send as HTML
 
 $mail->Subject = "»°·Ñͳ¼Æ($date)";
 $mail->Body = "¸½¼þΪ $date »°·Ñͳ¼Æ¡£<br><br> 
¸ü¶à»°·Ñͳ¼ÆÇë²Î¼û£º<br><br>    
±±¾©£º<a href=http://192.168.15.144/jpgraph/html/index_bj.html>http://192.168.15.144/jpgraph/html/index_bj.html</a><br> 
¹ãÖÝ£º<a href=http://192.168.15.144/jpgraph/html/index_gz.html>http://192.168.15.144/jpgraph/html/index_gz.html</a><br> 
ÉîÛÚ£º<a href=http://192.168.15.144/jpgraph/html/index_sz.html>http://192.168.15.144/jpgraph/html/index_sz.html</a><br>"; 
 $mail->AltBody = "This is the text-only body";
 
 if(!$mail->Send())
 {
 echo "Message was not sent <p>";
 echo "Mailer Error: " . $mail->ErrorInfo;
 exit;
 }
 
 echo "Message has been sent"; 
?>