一个用于自动更新主程序的辅助小工具，通过本地配置更新信息实现自动更新
在主程序中直接调用打开UpdateApp.exe即可开始自动更新(An auxiliary gadget for updating main programs automatically, and update automatically by locally updating information.
In the main program, we call directly to open UpdateApp.exe, then we can start updating automatically.)