Supported by the National NSF of China(11371293,11501419);the Mathematical Discipline Foundation of Shaanxi Province of China(14TSXK02);the Natural Science Foundation of Weinan Normal University(16ZRRC05,15YKS005,14SXZD008)
Supported by the National Nature Science Foundation of China (10961019) of Inner Mongolia University;the Talent Introduction Project of Dezhou University