Acknowlegements. This work was supported by the National Natural Science Foundation of China under Grant (No. 61572174 and No. 61503128), Open fund project of the Science and Technology Plan Project of Hunan Province (No. 2017IIPAYB01), the Science and Technology Plan Project of Hunan Province (No. 2016TP1020), the Hunan Province Special Funds of Central Government for Guiding Local Science and Technology Development No. 2018CT5001, Hunan Provincial Natural Science Foundation of China (Grant No. 2017JJ2010), the Scientific Research Fund of Hunan Provincial Education Department (16C0226) and Young Backbone Teacher of Heng Yang Normal University.