diff --git a/src/views/map/js/dragentity.js b/src/views/map/js/dragentity.js
index 834da8c..5357fb0 100644
--- a/src/views/map/js/dragentity.js
+++ b/src/views/map/js/dragentity.js
@@ -87,6 +87,7 @@ const polygonMap = {
 export default class DragEntity {
   constructor(val) {
     this.viewer = val.viewer
+    this.id = []
   }
 
   addEntity(value) {
@@ -192,7 +193,6 @@ export default class DragEntity {
           disableDepthTestDistance: Number.POSITIVE_INFINITY
         }
       }
-
     }
     // 曹妃甸使用
     if (value.gangkou === '00004') {