> when I check the mirrored files, the shtml url is error, 
> like this: 0381682.shtml, in the index file is:
> <a href='0381682.shtml'>fjdkalfs</a>
> but in the disk, the file name is:
> 0381682.html
> I don't is that the K flag make this trouble.

Yes, the K option shouldn't be used! This option is only 
necessary in few cases.