折线图为什么会缺少一些线段 echarts

Question

2017/03/31第一个点明明是有值的，线段却没连接上，实在看不出是哪里出了问题

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option = {
      tooltip: {
        trigger: 'axis',
      },
      legend: {
        data: ['数量'],
      },
      toolbox: {
        show: true,
        feature: {
          saveAsImage: {},
        },
      },
      xAxis: {
        splitLine:{show: false},//去除x轴网格线
        type: 'time',
        boundaryGap: false,
        axisLabel: {//x轴文字倾斜度
          rotate: 50,
        },
        interval: (3600 * 24 * 1000)*30*4,//每间隔4个月显示一个刻度
      },
      yAxis:{
          type: 'value',
          axisLabel: {
            formatter: '{value}',
          },
          splitLine:{show: false},
      },
      grid: {
        left: '1%',
        right: '3%',
        bottom: '3%',
        containLabel: true,
      },
      dataZoom: [
        {
          type: 'inside',//鼠标滚轮缩放大小
          //xAxisIndex: 0,
          filterMode: 'empty',
        },
        {
          type: 'slider',//有单独的滑动条，用户在滑动条上进行缩放
          //xAxisIndex: 0,
          filterMode: 'empty',
          //top: 24,
          height: 18,
          bottom: 2,
        },
      ],
      series: [
        {
          name: '数量',
          type: 'line',
          symbol: 'none',
          data: aac,//y轴 数据
          //yAxisIndex: 1,//0左侧y轴; 1右侧y轴;
        }
      ],
    };

Answer 1

浪费我一上午时间，原来是后台数据问题导致的，日期没有按顺序去排序