fix: v3 app-vue map 动态修改 v-if="false" 无效的问题

src/platforms/app-plus/view/components/map/index.vue

@@ -212,6 +212,7 @@ export default {
     this._addMapCircles(this.circles)
   },
   beforeDestroy () {
+    this.map && this.map.close()
     delete this.map
   },
   methods: {