安装GD库   

Reading package lists... Done

Building dependency tree       

Reading state information... Done

php5-gd is already the newest version.

The following packages were automatically installed and are no longer required:

  libdbd-mysql-perl libdbi-perl

Use 'apt-get autoremove' to remove them.

0 upgraded, 0 newly installed, 0 to remove and 127 not upgraded.

怎么回事呀