diff --git a/webapp/services/BattleBoxService.php b/webapp/services/BattleBoxService.php
index 2bb8979b..d31e84a2 100644
--- a/webapp/services/BattleBoxService.php
+++ b/webapp/services/BattleBoxService.php
@@ -5,7 +5,7 @@ namespace services;
 require_once('mt/Parameter.php');
 
 /*
-1、周还害没结束，箱子就掉完了
+1、周期还害没结束，箱子就掉完了
 完成度=T max/T cost time(last time-start time)
 
 2、周期结束，箱子也还没掉完