,
                data: {
                    instance_name: $("#instance_name").val(),
                    db_name: $("#db_name").val(),
                    schema_name: $("#schema_name").val(),
                    tb_name: $("#table_name").val(),
                    sql_content: sqlContent,
                    limit_num: $("#limit_num").val()
                },
                complete: function () {
                    $("#db_name").attr("disabled", false);
                    $("#instance_name").attr("d