1College of Mathemetics Sciences, Xinjiang Normal University, Urumgi, Xinjiang, 880054, P.R.China
2Department of Mathematics, School of Sctence,Shihezi University, Shihezi,Xingiang 882008, P.R.China
3College of Mathematics and System Sciences, Xinjiang University, Urumgi, Xinjiang, 830046, P.R.China