//获取地址栏参数

        function GetQueryString(name) {

            var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");

            var r = window.location.search.substr(1).match(reg);

            if (r != null) return unescape(r[2]); return null;

        }

        var Tyid = GetQueryString("Tyid");

        $('#database-dropdownlist').val(Tyid).trigger('change');