报错：
UnicodeEncodeError: 'gbk' codec can't encode character '\xd0' in position 70: illegal multibyte sequence
解决：
with open(filename, 'a') as fobj:
fobj.write(data)
改为：
with open(filename, 'a', encoding='utf-8') as fobj:
fobj.write(data)
参见： https://blog.csdn.net/qq_38008452/article/details/80423436
