修改边距

        subtext: 'By bilibili@交通数据小旭学长\nGitHub@ni1o1',

        sublink: 'https://github.com/ni1o1/nikebus',

        textAlign: 'right',

        bottom: '5%',

        left: '95%'

        bottom: '2%',

        left: '98%'

      }],

      grid: [{

        top: '10%',

        bottom: '0%',

        left: '0%',

        right: '5%',

        right: '10%',

      }],

      yAxis: [{

        inverse: true,