对最新系统有作用。内存运行exe文件计算加载pe并对齐需要占用多少内存，未直接使用OptionalHeader.SizeOfImage作为结果是因为据说有的编译器生成的exe这个值会填0-The role of the latest systems. Exe file to load memory to run the calculation and aligned pe take up much memory, not directly as a result of using Optiona