基金the National Natural Science Fund Committee(21173042,21201034)support by the Priority Academic Program Development of Jiangsu Higher Education Institutions,Graduate education reform project(XJGKT14-04)+2 种基金Fundamental Research Funds for the Central Universities(2242014k10025,3207045419)the financial assistance from Nanjing science and technology committee(2014-030002)the high performance computation platform of Southeast University