option = {
    title : {
        text: 'ĳͽˮ'
    }, 
    tooltip : {
        trigger: 'axis'
    }, 
    toolbox : {
        show: true, 
        feature : {
            mark : {
                show: true
            }, 
            dataView : {
                show: true, 
                readOnly: false
            }, 
            magicType : {
                show: true, 
                type : ['line','bar']
            }, 
            restore : {
                show: true
            }, 
            saveAsImage : {
                show: true
            }
        }
    }, 
    legend : {
        data : ['','ˮ']
    }, 
    xAxis : [
        {
            type: 'category', 
            data : ['1','2','3','4','5','6','7','8','9','10','11','12']
        }
    ], 
    yAxis : [
        {type: 'value'}
    ], 
    series : [
        {
            type: 'bar', 
            name: '', 
            data : [2.0,4.9,7.0,23.2,25.6,76.7,135.6,162.2,32.6,20.0,6.4,3.3]
        }, 
        {
            type: 'bar', 
            name: 'ˮ', 
            data : [2.6,5.9,9.0,26.4,28.7,70.7,175.6,182.2,48.7,18.8,6.0,2.3]
        }
    ], 
    calculable: true
};