用loads()函数读取JSON,编码错误如何处理

Question

>>> json1='''{
    "id":"1220562",
    "alt":"https:\/\/book.douban.com\/book\/1220562",
    "rating":{"max":10, "average":"7.0", "numRaters":282, "min":0},
    "author":[{"name":"片山恭一"}, {"name":"豫人"}],
    "alt_title":"",
    "image":"https://img3.doubanio.com\/spic\/s1747553.jpg",
    "title":"满月之夜白鲸现",
    "mobile_link":"https:\/\/m.douban.com\/book\/subject\/1220562\/",
    "summary":"那一年，是听莫扎特、钓鲈鱼和家庭破裂的一年。说到家庭破裂，母亲怪自己当初没有找到好男人，父亲则认为当时是被狐狸精迷住了眼，失常的是母亲，但出问题的是父亲……。",
    "attrs":{ 
       "publisher":["青岛出版社"],
        "pubdate":["2005-01-01"],
        "author":["片山恭一", "豫人"],
        "price":["18.00元"],
        "title":["满月之夜白鲸现"],
        "binding":["平装(无盘)"],
        "translator":["豫人"],
        "pages":["180"]
    },
    "tags":[
        {"count":106, "name":"片山恭一"},
        {"count":50, "name":"日本"},
        {"count":42, "name":"日本文学"},
        {"count":30, "name":"满月之夜白鲸现"},
        {"count":28, "name":"小说"},
        {"count":10, "name":"爱情"},
        {"count":7, "name":"純愛"},
        {"count":6, "name":"外国文学"}
    ]
}'''
>>> myjson=json.loads(json1)

Traceback (most recent call last):
  File "<pyshell#9>", line 1, in <module>
    myjson=json.loads(json1)
  File "C:\Python27\lib\json\__init__.py", line 339, in loads
    return _default_decoder.decode(s)
  File "C:\Python27\lib\json\decoder.py", line 364, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "C:\Python27\lib\json\decoder.py", line 380, in raw_decode
    obj, end = self.scan_once(s, idx)
UnicodeDecodeError: 'utf8' codec can't decode byte 0xb9 in position 4: invalid start byte
>>>