This work was supported by the National Key Research and Development Program of China (No. 2016YFD0800705), the Natural Science Foundation of Hunan Province, China (No. 2018JJ3880), and the Basic Research Found for the Central Public Commonweal Institutes (No. 2018LM). Jiao-feng Gu acknowledges Run-yu Jia, Qian-qian Wang, and Hong-cheng Li at the Central South University of Forestry and Technology for assisting with various experiments.