bug

src/pages/modules/map.vue

@@ -107,12 +107,11 @@ export default {
   computed: {
     ...mapGetters(['agvObj']),
     carData () {
-      try {
-        return JSON.parse(this.agvObj)
-      } catch (error) {
-        console.error('解析 JSON 时出错:', error)
-        return {}
+      let res = ''
+      if (this.agvObj !== '') {
+        res = JSON.parse(this.agvObj)
       }
+      return res
     }
   },
   mixins: [canvasZoomDrag],
@@ -124,7 +123,7 @@ export default {
     this.carPositionWatcher = this.$watch(
       () => this.carData,
       (newVal) => {
-        if (newVal && newVal.x !== undefined && newVal.y !== undefined) {
+        if (newVal !== '') {
           this.redrawCanvas()
         }
       },