diff --git a/neutrino-proxy-admin/src/views/home/admin/components/DailyTrafficChart.vue b/neutrino-proxy-admin/src/views/home/admin/components/DailyTrafficChart.vue
index 37686327..d2d483fb 100644
--- a/neutrino-proxy-admin/src/views/home/admin/components/DailyTrafficChart.vue
+++ b/neutrino-proxy-admin/src/views/home/admin/components/DailyTrafficChart.vue
@@ -5,7 +5,6 @@
 <script>
 import echarts from 'echarts'
 require('echarts/theme/macarons') // echarts theme
-let that = null
 
 export default {
   props: {
@@ -42,7 +41,6 @@ export default {
     }
   },
   mounted() {
-    that = this
     this.initChart()
   },
   beforeDestroy() {
@@ -68,8 +66,8 @@ export default {
         },
         tooltip: {
           trigger: 'item',
-          formatter: function(value) {
-            return `${value.seriesName} <br/>${value.marker} : ${value.name} ${value.name === '上行' ? that.data.upFlowDesc : that.data.downFlowDesc}`
+          formatter: (value) => {
+            return `${value.seriesName} <br/>${value.marker} : ${value.name} ${value.name === '上行' ? this.data.upFlowDesc : this.data.downFlowDesc}`
           }
         },
         legend: {
diff --git a/neutrino-proxy-admin/src/views/home/admin/components/TrafficSumChart.vue b/neutrino-proxy-admin/src/views/home/admin/components/TrafficSumChart.vue
index 4bfc300b..b6f0778c 100644
--- a/neutrino-proxy-admin/src/views/home/admin/components/TrafficSumChart.vue
+++ b/neutrino-proxy-admin/src/views/home/admin/components/TrafficSumChart.vue
@@ -6,8 +6,6 @@
 import echarts from 'echarts'
 require('echarts/theme/macarons') // echarts theme
 import { getSizeDescByByteCount } from '@/utils/utils'
-let that = null
-
 export default {
   props: {
     chartId: {
@@ -38,7 +36,6 @@ export default {
     }
   },
   mounted() {
-    that = this
     this.initChart()
   },
   beforeDestroy() {
@@ -87,10 +84,10 @@ export default {
         },
         tooltip: {
           trigger: 'axis',
-          formatter: function(value) {
-            let title = that.data.text + '<br/>'
+          formatter: (value) => {
+            let title = this.data.text + '<br/>'
             value.forEach(item => {
-              title = title + item.marker + item.seriesName + ' : ' + that.data.list[item.seriesIndex].label[item.dataIndex] + '<br/>'
+              title = title + item.marker + item.seriesName + ' : ' + this.data.list[item.seriesIndex].label[item.dataIndex] + '<br/>'
             })
             return title
           }
@@ -113,7 +110,7 @@ export default {
         yAxis: {
           type: 'value',
           axisLabel: {
-            formatter: function(value) {
+            formatter: (value) => {
               return getSizeDescByByteCount(value)
             }
           }