Recently, the National Science Center -- Shanghai Light Source officially invited Professor Yong Yang to serve as a member of the user committee of the center. The term of employment is 4 years. It is reported that the third-generation synchrotron radiation light source in Shanghai is a large scientific installation invested and constructed in China, which plays an important role in basic and applied scientific research in the fields of life, material science and environmental science. The academic committee and user committee appointed by the committee gather a group of well-known scholars and experts in this field. Academician Bao Xinhe from Dalian Institute of Light Source serves as the chairman of Shanghai Light Source User Committee