diff --git a/frontend/src/components/v-charts/components/Line.vue b/frontend/src/components/v-charts/components/Line.vue
index 5ee19443a..72a43d7a6 100644
--- a/frontend/src/components/v-charts/components/Line.vue
+++ b/frontend/src/components/v-charts/components/Line.vue
@@ -149,11 +149,11 @@ function initChart() {
         z: 1,
         tooltip: props.option.tooltip || {
             trigger: 'axis',
-            formatter: function (datas: any) {
-                let res = datas[0].name + '<br/>';
+            formatter: function (dataList: any) {
+                let res = dataList[0].name + '<br/>';
                 switch (props.option.formatStr) {
                     case 'KB/s':
-                        for (const item of datas) {
+                        for (const item of dataList) {
                             res +=
                                 item.marker +
                                 ' ' +
@@ -164,7 +164,7 @@ function initChart() {
                         }
                         break;
                     case 'KB':
-                        for (const item of datas) {
+                        for (const item of dataList) {
                             res +=
                                 item.marker +
                                 ' ' +
@@ -175,7 +175,7 @@ function initChart() {
                         }
                         break;
                     case 'MB':
-                        for (const item of datas) {
+                        for (const item of dataList) {
                             res +=
                                 item.marker +
                                 ' ' +
@@ -186,7 +186,7 @@ function initChart() {
                         }
                         break;
                     default:
-                        for (const item of datas) {
+                        for (const item of dataList) {
                             res +=
                                 item.marker +
                                 ' ' +