diff --git a/src/renderer/components/EditLayer.vue b/src/renderer/components/EditLayer.vue
index f8644ed..21fc2fd 100644
--- a/src/renderer/components/EditLayer.vue
+++ b/src/renderer/components/EditLayer.vue
@@ -485,8 +485,10 @@
         if (event.latlng === undefined) {
           return
         }
-        const circle = new L.ParkingSpot(event.latlng, {attributes: {radius: 20, heading: 0}})
-        circle.id = (++this.groundnetLayerGroup.maxId)
+        const newIndex = (++this.groundnetLayerGroup.maxId)
+        const circle = new L.ParkingSpot(event.latlng, {attributes: {index: newIndex, radius: 20, heading: 0}})
+        circle.id = newIndex
+        circle.glueindex = circle.id
         circle.addTo(this.groundnetLayerGroup)
         circle.featureLookup = this.featureLookup
         circle.enableEdit()
diff --git a/src/renderer/components/ParkingItem.vue b/src/renderer/components/ParkingItem.vue
index e4b6fd0..b49e1df 100644
--- a/src/renderer/components/ParkingItem.vue
+++ b/src/renderer/components/ParkingItem.vue
@@ -1,5 +1,5 @@
 <template>
-  <el-link type="primary" @click="show(parking.index)">{{parking.name}}{{parking.number}}</el-link>
+  <el-link type="primary" @click="show(parking.index)">{{parking.name}} {{parking.number}}</el-link>
 </template>
 
 <script lang="js">
diff --git a/src/renderer/store/modules/Parkings.js b/src/renderer/store/modules/Parkings.js
index bd069e4..ae3cac3 100644
--- a/src/renderer/store/modules/Parkings.js
+++ b/src/renderer/store/modules/Parkings.js
@@ -8,7 +8,9 @@ const mutations = {
   },
   UPDATE_PARKING: (state, item) => {
     const existingItem = state.items.find((i) => i.index === item.index)
-    Object.assign(existingItem, item)
+    if (existingItem!==undefined) {
+      Object.assign(existingItem, item)
+    }
   },
   SET_PARKINGS (state, parkings) {
     Vue.set(state, 'items', parkings)