1. Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, Institute of Space Sciences, Shandong University, Weihai 264209, People's Republic of China
2. WeiHai Research Institute of Industrial Technology of Shandong University, Shandong University, Weihai 264209, People's Republic of China
3. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
4. School of Physical Science and Technology, Southwest University, Chongqing 400715, China