1.Department of Mathematics and Statistics，Minnan Normal University，Zhangzhou 363000，China;2.Fujian Key Laboratory of Data Science and Statistics(Minnan Normal University)，Zhangzhou 363000，China;3.Institute of Meteorological Big Data-Digital Fujian (Minnan Normal University)，Zhangzhou 363000，China;4.College of Computer and Cyber Security，Hebei Normal University，Shijiazhuang 050024，China;5.Hebei Key Laboratory of Network and Information Security，Shijiazhuang 050024，China
The project supported by the National Natural Science Foundation of China （61603174，61703136），the Natural Science Foundation of Fujian（2018J01550，2017J05012） and the Natural Science Foundation of Hebei （ F2017205064）
