现在很多共享软件都有"在线升级"功能，比如"Windows 优化大师"，"超级兔子"，所谓在线升级就是一个版本检测程序，通过他，用户可以随时检查有没有新版本程序，以便及时升级.-now sharing software has many "online upgrade" features such as "Windows optimization guru" and "Super Rabbit", the so-called online is a version upgrade testing procedures, through him, Users can check at any time there is a new version of the procedures for the timely upgrade.