diff --git a/doc/todolist2021.xmind b/doc/todolist2021.xmind
index e45331e..34a429f 100644
Binary files a/doc/todolist2021.xmind and b/doc/todolist2021.xmind differ
diff --git a/src/rooms/logic/Handler/BattleHandler.ts b/src/rooms/logic/Handler/BattleHandler.ts
index 08c319c..ab6de04 100644
--- a/src/rooms/logic/Handler/BattleHandler.ts
+++ b/src/rooms/logic/Handler/BattleHandler.ts
@@ -899,10 +899,12 @@ export class BattleHandler {
          * indexOfAttack
         start: number: number*/
         let __indexOfAttack = function(start: number): number {
+            //todo:
             return -1;
         };
 
         let __indexOfAttackBk = function(atkres: SkillTarget, start: number): number{
+            //todo:
             return -1;
         };