升級到 WordPress 2.1.3

安全性的修正（2.1版與2.0版都需要更新），升級到WordPress 2.1.3，備份→移除→上傳→upgrade.php。

We have a security update release now available for both the 2.1 and 2.0 branches of WordPress now available for immediate download. This update is highly recommend for all users of both branches.