Based on the waste of food caused by over buying and leaving food in the refrigerator, the app fresh was designed. People can use it to scan shopping lists to get records of food purchases and add food to app. App will record the shelf life of food and distinguish the different shelf life of food in the refrigerator through green, yellow and red prompt boxes to remind to avoid wasting food. In addition, the app also provides weekly waste food reports and cumulative waste food statistics to reduce waste.

Deyin Zhang is currently a joint PhD student at King's College London, a PhD student at Zhejiang University's School of Computer Science (China), and an outstanding undergraduate alumnus of Chongqing University (China). Deyin Zhang has awarded 2024 China Design Industry Top 100, the first time as a student to win the Top 10 Design Rising Stars (2024), China's first batch of intermediate user experience designers (2021), China's IDC ‘WUWEI’ Young Creative Talent (2023), China National Scholarship, Tencent Scholarship, Jiang Zhen Scholarship, Provincial Self-Reliance Advanced Individuals. Deyin Zhang’s main research areas are product innovation and user experience innovation, interface design and development, and large language model assisted design research, etc. He has published 15 papers and academic monographs. He has published 15 papers, 2 academic monographs and 1 national first-class undergraduate textbook. Deyin Zhang’s 4 works have been exhibited in international famous design exhibitions/weeks; won 28 famous design awards (including 19 first author awards), including German Red Dot Award, Italian A Design Award, European Product Design Award, American New Concept Art Design Award Gold Award, China Design Intelligence Award; participated in a number of national projects and enterprise innovation and design projects as a core member; won 5 national patents, and 2 personal design works have been collected by the Academy. 2 personal design works are collected by the school of arts. In the past 3 years, Deyin Zhang has won design honours in international arenas such as the World Industrial Design Conference (WIDC) and the China Industrial Design Week. 5 times he has lectured or released his innovative design achievements in the International Industry-University-Research Cooperation Conference, the 15th China Industrial Design Week and other occasions.

Zhejiang University is an elite C9 League university located in Hangzhou, the capital of Zhejiang province. Founded in 1897, Zhejiang University is organized into 37 colleges, schools, and departments offering more than 140 undergraduate and 300 graduate programs. The University has been deeply dedicated to nurturing high-caliber innovators and future leaders for an increasingly interconnected world; to encouraging interdisciplinary and creative research that addresses challenges the world faces today; and to translating knowledge and creativity to benefit wider communities. As a student team from Zhejiang university, this team also firmly wish they can change the world through their own effort.