diff --git a/data/src/main/java/one/nem/kidshift/data/impl/KSActionsImpl.java b/data/src/main/java/one/nem/kidshift/data/impl/KSActionsImpl.java
index 3ede337..f795ba7 100644
--- a/data/src/main/java/one/nem/kidshift/data/impl/KSActionsImpl.java
+++ b/data/src/main/java/one/nem/kidshift/data/impl/KSActionsImpl.java
@@ -180,5 +180,6 @@ public class KSActionsImpl implements KSActions {
             TaskListResponse taskListResponse = callTaskApi.join();
             return HistoryModelConverter.historyListResponseAndTaskListResponseToHistoryModelList(historyListResponse, taskListResponse);
         });
+        // TODO: キャッシュ更新
     }
 }