湖南省自然科学基金资助项目14JJ4043,2015JJ6036;湖南省教育厅资助项目14C058;湖南省科技计划项目2015JC3112;Projects14JJ4043,2015JJ6036 supported by the Hunan Provincial of Natural Science of Foundation,China;Project14C058 supported by the Hunan Provincial Department of Education,China;Project2015JC3112 supported by the Hunan Provincial Department of Science and Technology,China