[imlaputa]

HELP！WHY I can't open the epub & mobi books??

When I open the epub file, there are:


calibre, version 0.8.31
ERROR: 无法打开电子书: E:\PDF书籍\Calibre书库\John Schember\Calibre Quick Start Guide (1)\Calibre Quick Start Guide - John Schember.epub is not a valid EPUB file

Traceback (most recent call last):
File "site-packages\calibre\gui2\viewer\main.py", line 64, in run
File "threading.py", line 483, in run
File "site-packages\calibre\ebooks\oeb\iterator.py", line 205, in __enter__
File "site-packages\calibre\customize\conversion.py", line 204, in __call__
File "site-packages\calibre\ebooks\epub\input.py", line 151, in convert
ValueError: E:\PDF书籍\Calibre书库\John Schember\Calibre Quick Start Guide (1)\Calibre Quick Start Guide - John Schember.epub is not a valid EPUB file



When I open the mobi file, there are:


calibre, version 0.8.31
ERROR: 无法打开电子书: All strings must be XML compatible: Unicode or ASCII, no NULL bytes or control characters

Traceback (most recent call last):
File "site-packages\calibre\gui2\viewer\main.py", line 64, in run
File "threading.py", line 483, in run
File "site-packages\calibre\ebooks\oeb\iterator.py", line 205, in __enter__
File "site-packages\calibre\customize\conversion.py", line 204, in __call__
File "site-packages\calibre\ebooks\mobi\input.py", line 27, in convert
File "site-packages\calibre\ebooks\mobi\reader.py", line 446, in extract_content
File "site-packages\calibre\ebooks\metadata\opf2.py", line 1278, in render
File "site-packages\lxml\builder.py", line 210, in __call__
File "site-packages\lxml\builder.py", line 195, in add_dict
File "lxml.etree.pyx", line 2145, in lxml.etree._Attrib.__setitem__ (src/lxml/lxml.etree.c:46818)
File "apihelpers.pxi", line 563, in lxml.etree._setAttributeValue (src/lxml/lxml.etree.c:15781)
File "apihelpers.pxi", line 1366, in lxml.etree._utf8 (src/lxml/lxml.etree.c:22211)
ValueError: All strings must be XML compatible: Unicode or ASCII, no NULL bytes or control characters



PLZ HELP ME!

I re-install the Calibre for many times, but I doesn't work ：（