Recently, the paper ‘The Avatar Facial Expression Reenactment Method in the Metaverse based on Overall-Local Optical-Flow Estimation and Illumination Difference’ by our lab’s student He Shuangjiang has been accepted by the international 2023 26th International Conference on Computer Supported Cooperative Work in Design (CSCWD). CSCWD is one of the important international conferences in the field of human-computer interaction and a Category-C international academic conference recommended by the China Computer Federation (CCF), with high academic influence.