roam改为false
roam: false,

geo: {
          map: 'china',
          zoom: 1,
          label: {
            normal: {
              show: false,
              color: '#000000'
            },
            emphasis: {
              show: false,
              color: '#292929'
            }
          },
          roam: false,
          itemStyle: {
            normal: {
              areaColor: '#00338F'
            },
          }
        },