插件工具安装不了

Cannot complete the install because one or more required items could not be found.

  Software being installed: Hibernate Tools 3.7.1.Final-v20131205-0918-B107 (org.hibernate.eclipse.feature.feature.group 3.7.1.Final-v20131205-0918-B107)

  Missing requirement: Hibernate Tools 3.7.1.Final-v20131205-0918-B107 (org.hibernate.eclipse 3.7.1.Final-v20131205-0918-B107) requires 'bundle org.eclipse.datatools.connectivity 1.2.7' but it could not be found

  Cannot satisfy dependency:

    From: Hibernate Tools 3.7.1.Final-v20131205-0918-B107 (org.hibernate.eclipse.feature.feature.group 3.7.1.Final-v20131205-0918-B107)

    To: org.hibernate.eclipse [3.7.1.Final-v20131205-0918-B107]

应该是缺点什么，但是百度之后也没发现要怎么搞