On May 14, 2021, the defense of the Master's thesis of Systems Microbiology Engineering Research Group was held in Energy Building. Han Ju gave a detailed report on her thesis work of the thesis, answered carefully the questions from experts, and listened to the suggestions given by defense committee. After discussion and secret ballot, the doctoral defense committee unanimously agreed to pass the doctoral defense of Han Ju's dissertation and recommended that she be awarded the master degree, and we would like to extend our warmest congratulations to her!