', function (index) {
                        var loading = layer.load(1, {
                            shade: [0.1, '#fff'] //0.1透明度的白色背景
                        });
                        admin.req({
                            type: 'delete',
                            url: ctxPath + 'monitor-instance/delete-monitor-instance',
                            data: JSON.stringify(checkData.map(({id, instanceId}) => ({id, instanceId}))),
                            dataType: 'json',
         