debian7.5更新失败

[a306257387]

如题，我安装的debian7.5,今天提示有更新，我就选择安装，后提示更新失败，详细原因如下：

代码： 全选

The following packages have unmet dependencies:
  gnome-disk-utility: 依赖: udisks2 (>= 2.1.1) but it is not going to be installed
  policykit-1: 依赖: libpam-systemd but it is not going to be installed
  network-manager: 依赖: libpam-systemd but it is not going to be installed
  gnome-bluetooth: 依赖: libpam-systemd but it is not going to be installed
  gdm3: 依赖: libpam-systemd but it is not going to be installed
  unoconv: 依赖: python3-uno (>= 4.0) but it is not going to be installed
  gvfs-daemons: 依赖: udisks2 but it is not going to be installed

求大神解答怎么弄啊

[poloshiao]

sudo apt-get install udisks2
sudo apt-get install libpam-systemd
sudo apt-get python3-uno
如果有錯誤訊息 複製貼上來
如果沒有錯誤訊息 重新更新看看