实时数据折线图点连线

src/views/modules/RealtimeLineModal.vue

@@ -234,7 +234,8 @@ export default {
             },
             series: [{
               type: 'line',
-              data: []
+              data: [],
+              connectNulls: true,
             }]
           })
           window.addEventListener('resize', this.chartList[item.tag].resize)