Recently, some users reported that their bank cards were repeatedly blocked by risk control systems when ordering food delivery in the early hours of the morning. In response, multiple banks clarified that such measures are standard security protocols designed to prevent fraudulent transactions, money laundering, and other financial risks.Banks explained that late-night hours—particularly between midnight and 5 a.m.—are considered high-risk periods for unusual transaction activity. Frequent small payments during this window, especially those involving cross-regional or cross-platform purchases, can trigger automated alerts in intelligent risk management systems, leading to temporary transaction restrictions or account freezes. This is not targeted at specific individuals but is based on big data models that detect abnormal spending patterns.Experts recommend that users who regularly make late-night online purchases set up trusted transaction scenarios via mobile banking apps in advance or contact customer service to temporarily adjust their risk control settings. Maintaining consistent and predictable account behavior can also help reduce false positives.Banks emphasized that all risk control actions prioritize customer fund security and assured that restrictions will be lifted promptly after identity verification. Users encountering such issues are advised to contact their issuing bank immediately to avoid disruption to daily transactions.
近日，有用户反映在凌晨时段点外卖时，多次遭遇银行卡被银行风控系统拦截的情况。对此，多家银行回应称，此举是为防范盗刷、洗钱等金融风险而采取的常规安全措施。银行方面解释，深夜（尤其是凌晨0点至5点）属于非正常交易高频风险时段，若账户在此期间频繁发生小额支付，特别是跨地域、跨平台的消费行为，容易触发智能风控系统的预警机制，导致交易被临时限制或冻结。这并非针对特定用户，而是基于大数据模型对异常交易模式的自动识别。专家建议，如确需在深夜使用银行卡进行线上消费，可提前通过手机银行设置常用交易场景，或联系客服临时调整风控等级。同时，保持账户行为的一致性和稳定性，也有助于减少误判。值得注意的是，银行强调所有风控措施均以保障客户资金安全为首要目标，并承诺在核实身份后会尽快解除限制。用户若遇此类问题，应及时与发卡行沟通，避免影响正常生活消费。
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