Fund Project:Supported by Science and Technology Research Project of Colleges and Universities in Ningxia (Grant No.NGY2017011), Program for Young Talents of Science and Technology in Universities of Inner Mongolia Autonomous Region (Grant No.NJYT-18-44), the Natural Science Foundation of Inner Mongolia (Grant No.2018MS01026) and the Natural Science Foundation of China (Grant Nos.11561055; 11561001; 11762016).