diff --git a/packages/core/src/mixins/event.ts b/packages/core/src/mixins/event.ts
index 58fd6df..db70ed9 100644
--- a/packages/core/src/mixins/event.ts
+++ b/packages/core/src/mixins/event.ts
@@ -90,6 +90,7 @@ function handlePoint(core: Core) {
         } else {
           // Controll Area
           core[_tempData].set('selectedUUIDList', []);
+          core[_tempData].set('selectedUUID', null);
           core[_tempData].set('mode', Mode.SELECT_AREA);
         }
       }