def authorize_get(self, session, fields=[]):
        '''taobao.itemcats.authorize.get 查询B商家被授权品牌列表和类目列表'''
        sellerAuthorize = SellerAuthorize()
        request = TOPRequest('taobao.authorize.get')
        if not fields:
            fields = sellerAuthorize.fields
        request['fields'] = ','.join(fields)
        self.create(self.execute(request, session))
        return self.seller_authorize