摘要：恋爱诈骗已通过社交媒体成为严重问题，而人工智能的发展使伪造身份变得更加容易。本研究开发了一款聊天机器人，通过 Line Messaging API 实时检测恋爱诈骗。该系统运用社会科学领域的七阶段理论，借助大语言模型检测恋爱诈骗所处的阶段。此外，一旦检测到恋爱诈骗，聊天机器人便会通过大语言模型提供该阶段的解释及防范建议。本研究的贡献在于提供了一项可在真实场景中使用的实用应用，有助于降低恋爱诈骗风险。

Abstract:Romance scam has become a serious problem via social media, and the improvement of artificial intelligence enable to fake identify easily. In the study, a chatbot has developed to detect romance scam in real-time through Line Messaging API. Using the seven stage theories in the social science field, the stages of romance scam can be detected through large language model. In addition, once a romance scam is detected, the chatbot provides explanations of the stage and prevention advices through large language model. The contribution of the work provides a practical application, and can be used in real scenario for reducing the risk of romance scam.