python：UnicodeEncodeError: 'ascii' codec can't encode characters in position 0-1: ordinal not in range(128)

# 将默认编码设为utf-8
# 否则会报错:
# UnicodeEncodeError: 'ascii' codec can't encode characters in position 0-1: ordinal not in range(128)
import sys
reload(sys)
sys.setdefaultencoding('utf-8')