diff --git a/src/views/modules/visual/cpts/map/index.vue b/src/views/modules/visual/cpts/map/index.vue
index 0c8bae15c..80110912b 100644
--- a/src/views/modules/visual/cpts/map/index.vue
+++ b/src/views/modules/visual/cpts/map/index.vue
@@ -29,6 +29,7 @@ let posLayer;
 let circleLayer;
 let dotLayer;
 let dotBgLayer;
+let dotLayer2;
 
 export default {
   name: "l7",