Thank you for your help.I learned later from Professor Xiao that there is a software called Xaira which can help to make the text into the form of the XML.But the problem is that I can't decompress it with the code provided by his book.And I have tried other way without success.Would you mind to give me an accessible link to download ?Thank you for your help again.A Gentle Introduction to XML
http://www.tei-c.org/release/doc/tei-p5-doc/en/html/SG.html
I'm afraid that the password itself is not correct.If it's a compressed file, you may try the open-source 7-zip: http://www.7-zip.org/download.html