툴팁에는 hour: 시간 이렇게 나오고싶고
아래에는 그냥 숫자만 나오게 하고싶은제
어떻게 수정해야할까요 코드도 첨부합니다


   for (var i = 0; i < 24; i++) {
      arrError.push(0);
      arrCalls.push(0);
      arrAjax.push(0);

      arrLabel.push("Hour: " + nIndex + '');
      nIndex++;
   }



var config = {
      type: strChartType,
      data: {
         labels: arrLabel,
         datasets: [{
            label: 'Errors',
            fill: false,
            borderWidth: 2,
            backgroundColor: chartColors2[0],
            borderColor: chartColors2[0],
            data: arrError,
            yAxisID: 'y-axis-2',
         }, {
            label: 'Calls',
            fill: false,
            borderWidth: 2,
            backgroundColor: chartColors2[2],
            borderColor: chartColors2[2],
            data: arrCalls,
            yAxisID: 'y-axis-1'
         }, {
            label: 'AjaxCalls',
            fill: false,
            borderWidth: 2,
            backgroundColor: chartColors2[5],
            borderColor: chartColors2[5],
            data: arrAjax,
            yAxisID: 'y-axis-1'
         },]
      },

      options: {
         maintainAspectRatio: true,
         aspectRatio: 2,
         title: {
            display: true, //true
            text: MONTHS[paramMonth - 1] + ' ' + paramDay + ' - State chart'
         },
         scales: {
            xAxes: [{
               display: true,
               scaleLabel: {
                  display: true,
                  label: 'hour',
                  labelString: 'Hour'
               }
            }],
            yAxes: [{
               type: 'linear', // only linear but allow scale type registration. This allows extensions to exist solely for log scale for instance
               display: true,
               'left',
               id: 'y-axis-1',
               ticks: {
                  beginAtZero: true
               },
               scaleLabel: {
                  display: true,
                  labelString: 'Call Count',
                  min: 0
               }
            }, {
               type: 'linear', // only linear but allow scale type registration. This allows extensions to exist solely for log scale for instance
               display: true,
               'right',
               id: 'y-axis-2',
               ticks: {
                  beginAtZero: true
               },
               scaleLabel: {
                  display: true,
                  labelString: 'Error Count',
                  min: 0
               }

            }]
         },
         tooltips: {
            mode: 'nearest',
            intersect: false,
         },
         hover: {
            mode: 'nearest',
            intersect: false
         }
      }
   };