服务器乱码编码
# python3.6
# coding=utf-8
words = "\u9a8c\u8bc1\u7801\u68c0\u67e5\u6210\u529f"
print(words, type(words))
# 验证码检查成功 <class 'str'>
words = b"\u9a8c\u8bc1\u7801\u68c0\u67e5\u6210\u529f"
print(words, type(words))
# b'\\u9a8c\\u8bc1\\u7801\\u68c0\\u67e5\\u6210\\u529f' <class 'bytes'>