修复

src/graphic/Service/PointService.js

@@ -108,6 +108,9 @@ export default class PointService {
       }
     }
     dataService.deletePoint(basePointId);
+    if (Settings.selectBasePointId == basePointId) {
+      uiService.setSelectBasePointId(null);
+    }
   }
 
   deleteFixPoint(fixPointId) {