var opt0 = ["一级分类|0", "二级分类|0", "三级分类|0"];
var dsy = new Dsy();
dsy.add("0", ["公考资格|3"]);
dsy.add("0_0", ["财务金融|325"]);
dsy.add("0_0_0", ["经济师|538","银行从业资格|544","证券从业资格|548"]);