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