Jiaju Chen is a first-year Master student at the USTC Lab for Data Science. Under the expert guidance of Professors Xiangnan He and Fuli Feng, Jiaju is delving deeper into his research interests. His current research is primarily concentrated on the recommender systems and large language models (LLMs). His work aims to enhance the user experience through personalized recommendations and to harness the capabilities of LLMs to provide richer and more nuanced content suggestions.