On December 11, 2020, all the master's degree students of grade 2019 completed the opening report of their master's thesis. On the way to the report, Professor Yu Tiantang, Professor Huang Dan, Mr Xu yepeng and Mr Gu Xin put forward valuable suggestions for the students to revise their thesis, hoping that they would maintain their enthusiasm for scientific research and complete their graduation thesis with high quality according to their own plan.