File "F:\python\lib\codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xc4 in position 4: invalid continuation byte

读取不了文本里的内容，输出不了 ，显示上面的错误！