libopencv-dev 安装出错

The following packages have unmet dependencies:
libopencv-dev : Depends: libopencv-core-dev (= 2.4.9.1+dfsg-1.5ubuntu1)
Depends: libopencv-ml-dev (= 2.4.9.1+dfsg-1.5ubuntu1)
Depends: libopencv-imgproc-dev (= 2.4.9.1+dfsg-1.5ubuntu1)
Depends: libopencv-video-dev (= 2.4.9.1+dfsg-1.5ubuntu1)
Depends: libopencv-objdetect-dev (= 2.4.9.1+dfsg-1.5ubuntu1)
Depends: libopencv-highgui-dev (= 2.4.9.1+dfsg-1.5ubuntu1)
Depends: libopencv-calib3d-dev (= 2.4.9.1+dfsg-1.5ubuntu1)
Depends: libopencv-flann-dev (= 2.4.9.1+dfsg-1.5ubuntu1)
Depends: libopencv-features2d-dev (= 2.4.9.1+dfsg-1.5ubuntu1)