Supported by Guangxi Science Foundation (No.2018GXNSFBA138038,2019GXNSFBA245021);Bagui Scholar Program of Guangxi Zhuang Autonomous Region of China (No.201979);the Research Foundation of Guangxi University Xingjian College of Science and Liberal Arts (No.Y2018ZKT01)。
Supported by Guangxi Science Foundation(No.2018GXNSFBA138038);the Project of Basic Ability Improvement of Young and Middle-aged Teachers of Universities in Guangxi(No.2017KY1301)