diff --git a/nezha-fronted/src/components/charts/line-chart-block.vue b/nezha-fronted/src/components/charts/line-chart-block.vue
index 705a2edcc..e4c8d330e 100644
--- a/nezha-fronted/src/components/charts/line-chart-block.vue
+++ b/nezha-fronted/src/components/charts/line-chart-block.vue
@@ -1699,7 +1699,9 @@
     },
     beforeDestroy() {
       this.clearChart();
-      getChart(this.chartIndex).dispose();
+      if(getChart(this.chartIndex)){
+        getChart(this.chartIndex).dispose();
+      }
       if(!document.onmousemove){// 移除鼠标移动事件监听
         document.onmousemove=null;
       }