feat：新增页面切换时删除告警点位

src/views/overview.component.ts

@@ -90,6 +90,9 @@ export default class OverViewComponent extends BaseComponent {
                 this.addCustom(this.viewLayer[this.currentEvent.id],true);
                 this.currentEvent = null;
             }
+            if(this.currentWanning){
+                this.player.api.customObject.delete(this.currentWanning.id)
+            }
             this.resetMap();
         }
     }