How does the daterangepicker calendar plug-in change the time period position?

I want to put this shortcut time period on the left. Used 'open':'left'The parameter does not work

This is my calling code:

 $('#cjsj').daterangepicker({
                                maxDate : moment(),  
                                showDropdowns : true,
                                showWeekNumbers : false, 
                                timePicker12Hour : false, 
                                ranges : {
                                    '今日': [moment().startOf('day'), moment()],
                                    '昨日': [moment().subtract('days', 1).startOf('day'), moment().subtract('days', 1).endOf('day')],
                                    '最近7日': [moment().subtract('days', 6), moment()],
                                    '最近30日': [moment().subtract('days', 29), moment()]
                                },
                                    locale : {
                                    applyLabel : '确定',
                                    cancelLabel : '取消',
                                    fromLabel : '起始时间',
                                    toLabel : '结束时间',
                                    customRangeLabel : '自定义',
                                    daysOfWeek : [ '日', '一', '二', '三', '四', '五', '六' ],
                                    monthNames : [ '一月', '二月', '三月', '四月', '五月', '六月',
                                            '七月', '八月', '九月', '十月', '十一月', '十二月' ],
                                    firstDay : 1
                                }
                                }, function(start, end, label) {

                    console.log(start.toISOString(), end.toISOString(), label);

                  });

Thanks