ECSubuntu服务器无法安装php5imagick，求助求助

#apt-get install php5-imagick

Reading package lists... Done
Building dependency tree      
Reading state information... Done
php5-imagick is already the newest version.
You might want to run 'apt-get -f install' to correct these:
The following packages have unmet dependencies:
php5-imagick : Depends: phpapi-20090626
E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).


ECS ubuntu服务器64位版，直接下载php5-imagick_3.1.0~rc1-1_amd64.deb 也装不上去，求助