自由门7.31版发布，此版增强了突破封锁能力，有助于网友快速翻墙。
专业版：
http://dongtaiwang.com/loc/software/fg/731/fg731p.exe
http://dongtaiwang.com/loc/software/fg/731/fg731p.zip
专家版：
http://dongtaiwang.com/loc/software/fg/731/fg731x.exe
http://dongtaiwang.com/loc/software/fg/731/fg731x.zip
