def check_similar_remark(json_data):
    '''
    :return: similar remark or None
    '''
    _cache = copy.deepcopy(config['streamers'])
    for fname, data in _cache.items():
        if (
            json_data['remark'] in fname
            or
            fname in json_data['remark']
        ) and (
            json_data['url'] != data['url']
        ):
            return fname
    return None
:return: similar remark or None
biliup/web/__init__.py