diff --git a/core/core-frontend/src/views/chart/components/js/G2TooltipCarousel.ts b/core/core-frontend/src/views/chart/components/js/G2TooltipCarousel.ts
index 0192cb5cf7..9f3f9f7303 100644
--- a/core/core-frontend/src/views/chart/components/js/G2TooltipCarousel.ts
+++ b/core/core-frontend/src/views/chart/components/js/G2TooltipCarousel.ts
@@ -193,7 +193,7 @@ class G2TooltipCarousel {
     if (!this.intersectionObserver) {
       this.intersectionObserver = new IntersectionObserver(this.handleIntersection.bind(this), {
         root: null,
-        threshold: [0, 0.3, 0.5, 0.7]
+        threshold: [0, 0.3, 0.5, 0.7, 1]
       })
     }
     this.intersectionObserver?.observe(this.newChart.getContainer())