async def favorite_delete(ns={}):
    """
    删除用户收藏（软删除）
    :param ns: 包含id或userid+productid+favorite_type参数
    :return: 操作结果
    """
    # 处理userid
    if ns.get('userid'):
        ns['userid'] = ns.get('userid')
    else:
        ns['userid'] = await get_user()
    if not ns.get('userid'):
        server_error(401)
    db = DBPools()
    async with db.sqlorContext('kboss') as sor:
        try:
            if ns.get('id'):
                # 根据收藏ID删除
                update_sql = """
                    UPDATE user_favorite 
                    SET del_flg = '1' 
                    WHERE userid = '%s' AND productid = '%s'
                """ % (ns.get('userid'), ns.get('id'))
                await sor.sqlExe(update_sql, {})
            else:
                return {
                    'status': False,
                    'msg': '缺少必要参数'
                }
                
            return {
                'status': True,
                'msg': '取消关注收藏成功'
            }
        except Exception as e:
            await sor.rollback()
            return {
                'status': False,
                'msg': '取消关注收藏失败, %s' % str(e)
            }

ret = await favorite_delete(params_kw)
return ret