国家自然科学基金31472056;“863”国家高技术发展计划2012AA020703;广西科技厅项目13-29-06,1347004-20;南宁市科技局项目20145194@@@@National Natural Science Foundation of China31472056;State High- Tech Development Plan of Ministry of Sciences and Technology of China2012AA020703;Project 13-29-06,1347004-20 of Science & Technology Department of Guangxi Province of China;Project 20145194 of Science&Technology Bureau of Nanning of China