支持多线程MD5文件完整性校验算法，只要给定文件路径就能计算他的校验码-Support multi-threaded MD5 file integrity check algorithm, as long as the given file path, he will be able to calculate the parity-check codes

通过计算MD5值检测远程文件更新，并显示在文件中-Remote file updates, and displayed in the file is detected by calculating the MD5 value