操作过程如下：
$ /usr/local/php5/bin/pear channel-discover pear.phpdoc.org
Adding Channel "pear.phpdoc.org" succeeded
Discovery of channel "pear.phpdoc.org" succeeded
$ /usr/local/php5/bin/pear install phpdoc/phpDocumentor-beta
downloading phpDocumentor-2.0.0b7.tgz ...
Starting to download phpDocumentor-2.0.0b7.tgz (2,132,561 bytes)
.......................................................done: 2,132,561 bytes
install ok: channel://pear.phpdoc.org/phpDocumentor-2.0.0b7
$ /usr/local/php5/bin/pear>phpdoc -d /Library/WebServer/Documents/mail/lv/ -t /Library/WebServer/Documents/mail/test/
执行完后没有任何反映，请问怎么办？
http://www.phpdoc.org/docs/latest/for-users/commands/project_run.html#usage