  }else{
                    console.info("更新按钮触发");
                    $('#save_dispatch_task').hide();
                    $('#update_dispatch_task').show();
                }

            }
            // ------------------------------------------------------------------

            //日期范围限制
            var start = {
                elem: '#start_time',
                format: 'YYYY-MM-DD hh:mm:ss',
                min: '2000-01-01 00:00:00',
                max: '2099-06-16 23: