diff --git a/packages/g6/src/plugins/snapline/index.ts b/packages/g6/src/plugins/snapline/index.ts
index f6469881bd3..bc587fe3833 100644
--- a/packages/g6/src/plugins/snapline/index.ts
+++ b/packages/g6/src/plugins/snapline/index.ts
@@ -365,8 +365,8 @@ export class Snapline extends BasePlugin<SnaplineOptions> {
   }
 
   private destroyElements() {
-    this.horizontalLine.destroy();
-    this.verticalLine.destroy();
+    this.horizontalLine?.destroy();
+    this.verticalLine?.destroy();
   }
 
   public destroy() {