说明：  曾经有位网友和我讨论怎样编写一个通过服务器对客户机上的程序进行自我升级的问题，由于我的项目也涉及到自我升级，当时我把我的解决方案提了出来，那就是做一个类似于瑞星的升级程序。在这里我也发现了很多的网友对这个问题很困惑，故我愿意把我的设计方案写出来与大家共享，大家也可以通过这个思路用其他语言进行改写
(had one netizen and I discussed how to prepare a server through the client on the procedures for self-promotion , I am also involved in the project to self-promotion, I use my solution mentioned, it is so similar to the one Ruixing promotion procedures. Here I also found a lot of online friends to the problem is very confused, Therefore, I am willing to put my design write and share. Members can also thinking through the use of other languages rewritten)