Hengyang Normal University (HYNU) [16D03]; National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC) [11604216, 61505111, 61605044]; China Postdoctoral Science FoundationChina Postdoctoral Science Foundation [2016M600667]; Guangdong Science and Technology Department [2016B050501005]; Department of Education of Guangdong ProvinceNational Natural Science Foundation of Guangdong Province [2016KCXTD006]; Natural Science Foundation of Guangdong ProvinceNational Natural Science Foundation of Guangdong Province [2015A030313549]; Natural Science Foundation of Hunan ProvinceNatural Science Foundation of Hunan Province [2016JJ3030]