树梅派libgtk2.0-dev安装失败问题

在数目安装libgtk2.0-dev 一直显示sudo apt-get install libgtk2.0-dev
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:


The following packages have unmet dependencies:
 libgtk2.0-dev : Depends: libgtk2.0-0 (= 2.24.25-3+deb8u2) but 2.24.31-2 is to be installed
                 Depends: libglib2.0-dev (>= 2.27.3) but it is not going to be installed
                 Depends: libgdk-pixbuf2.0-dev (>= 2.21.0) but it is not going to be installed
                 Depends: libpango1.0-dev (>= 1.20) but it is not going to be installed
                 Depends: libatk1.0-dev (>= 1.29.2) but it is not going to be installed
                 Depends: libcairo2-dev (>= 1.6.4-6.1) but it is not going to be installed
                 Depends: libx11-dev (>= 2:1.0.0-6) but it is not going to be installed
                 Depends: libxext-dev (>= 1:1.0.1-2) but it is not going to be installed
                 Depends: libxinerama-dev (>= 1:1.0.1-4.1) but it is not going to be installed
                 Depends: libxi-dev (>= 1:1.0.1-4) but it is not going to be installed
                 Depends: libxrandr-dev (>= 2:1.2.99) but it is not going to be installed
                 Depends: libxcursor-dev but it is not going to be installed
                 Depends: libxfixes-dev (>= 1:3.0.0-3) but it is not going to be installed
                 Depends: libxcomposite-dev (>= 1:0.2.0-3) but it is not going to be installed

                 Depends: libxdamage-dev (>= 1:1.0.1-3) but it is not going to be installed

在网上查资料说换源，其实还真是换源，网上换完源后使用的更新指令是 sudo apt-get update,但是依然安装不了，使用这个更新指令sudo apt-get -y update 再用安装libgtk2.0-dev指令 sudo apt-get install libgtk2.0-dev,成功安装了。