骗子进行安全因子设定，将默认安全工具设置为：手机交易码（短信验证码）+手机盾，避免触发其他验证机制，骗子关闭动账消息推送服务的原因是，中国银行的动账消息推送服务支持微信通知，骗子需要防止我妈从微信上看到转账信息。
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，更多细节参见WPS下载最新地址
csv_storage = CsvStorage(self.config.csv_path)
Output: their sum as an integer