国家自然科学基金51339002,51469025,51669021;内蒙古自治区自然科学基金2012MS0320,2016MS0552;中国博士后科学基金2014M562495XB;the National Natural Science Foundation of China51339002,51469025,51669021;the Natural Science Foundation of the Inner Mongolia Autonomous Region2012MS0320,2016MS0552;the China Postdoctoral Science Foundation2014M562495XB