Welcome all new students (PhDs: Nida Rehman (from Pakistan), Dobamo Abayneh Ersumo (from Ethiopia), Li Xiaohong, Li Na; postgraduates: Li Zhenwei, Wang Yilin, Sun Feng, Yang Xinyu, Xiang Yiquan, Bi Yilong, Yu Shuhan with Sun as supervisor, and Li Wenjie, Li Xue, Wang Ruoyin with Hao as supervisor) for joining our research group. Let us look forward to the future academic exploration journey together! I hope that we can exchange academic knowledge and share ideas in our work, and inspire more inspiration for future research！