diff --git a/core/core-frontend/src/views/chart/components/js/panel/charts/g2/mix/mix-dual-line.ts b/core/core-frontend/src/views/chart/components/js/panel/charts/g2/mix/mix-dual-line.ts
index 6ec32aef36..c1a78ba656 100644
--- a/core/core-frontend/src/views/chart/components/js/panel/charts/g2/mix/mix-dual-line.ts
+++ b/core/core-frontend/src/views/chart/components/js/panel/charts/g2/mix/mix-dual-line.ts
@@ -288,7 +288,7 @@ export class GroupLineMix extends G2ChartView {
     })
     const rightCat = []
     if (!extBubble?.length) {
-      rightCat.push(yAxisExt[0]?.chartShowName ?? yAxisExt[0]?.name)
+      yAxisExt?.length && rightCat.push(yAxisExt[0]?.chartShowName ?? yAxisExt[0]?.name)
     } else {
       const { rightData } = context
       rightData.forEach(
diff --git a/core/core-frontend/src/views/chart/components/js/panel/charts/g2/mix/mix-group.ts b/core/core-frontend/src/views/chart/components/js/panel/charts/g2/mix/mix-group.ts
index dc88ee440b..13f3572a37 100644
--- a/core/core-frontend/src/views/chart/components/js/panel/charts/g2/mix/mix-group.ts
+++ b/core/core-frontend/src/views/chart/components/js/panel/charts/g2/mix/mix-group.ts
@@ -258,7 +258,7 @@ export class GroupLineMix extends G2ChartView {
     merge(intervalMark, leftColorScale)
     const rightCat = []
     if (!extBubble?.length) {
-      rightCat.push(yAxisExt[0]?.chartShowName ?? yAxisExt[0]?.name)
+      yAxisExt?.length && rightCat.push(yAxisExt[0]?.chartShowName ?? yAxisExt[0]?.name)
     } else {
       const { rightData } = context
       rightData.forEach(
diff --git a/core/core-frontend/src/views/chart/components/js/panel/charts/g2/mix/mix-stack.ts b/core/core-frontend/src/views/chart/components/js/panel/charts/g2/mix/mix-stack.ts
index f2a7dfc16c..2664907cef 100644
--- a/core/core-frontend/src/views/chart/components/js/panel/charts/g2/mix/mix-stack.ts
+++ b/core/core-frontend/src/views/chart/components/js/panel/charts/g2/mix/mix-stack.ts
@@ -257,7 +257,7 @@ export class StackLineMix extends G2ChartView {
     merge(intervalMark, leftColorScale)
     const rightCat = []
     if (!extBubble?.length) {
-      rightCat.push(yAxisExt[0]?.chartShowName ?? yAxisExt[0]?.name)
+      yAxisExt.length && rightCat.push(yAxisExt[0]?.chartShowName ?? yAxisExt[0]?.name)
     } else {
       const { rightData } = context
       rightData.forEach(