       if (obj.event === "add") {
                add();
            } else if (obj.event === "batchRemove") {
                batchRemove(obj);
            }
        });

        let add = function() {
            syncTableData();
            let options = table.getData("column-table");
            options.push({
                _field_id: _field_id++,
                value : "",
                name: "",
            });
            table.reloadData("column-table", {data:options});
        }

        let b