  tag_code: 'can_write'
                },
                complete: function () {
                    var pathname = window.location.pathname;
                    if (pathname === "/editsql/") {
                        //填充实例信息
                        $('#instance_name').selectpicker('val', sessionStorage.getItem('editClustername'));
                        if ($("#instance_name").val()) {
                            $("#instance_name").selectpicker().trigger("change");
                        