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It's look like i download something from this site, it end download, but stuck after end of download
(Assuming you're using Chrome)
You mean the progress bar is stuck at 100% and 0 B/s but the download never completes? Chances are, the download has completed, and Chrome is glitching.
Just hit the 3 dots menu on the top-right of the Downloads window and choose "Open downloads folder." Your download should be there.
EDIT x2: grammar
Thanks, i did it (even i did it in opera)