diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index 92ff2c46..10c3b4ac 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -333,7 +333,9 @@ void Room::AddPlayer(Player* hum, std::shared_ptr<BornPoint> init_born_point, bo
     frame_event.AddEnterGame(hum->GetWeakPtrRef());
     GameLog::Instance()->GameStart(hum);
     if (custom_battle_ && custom_battle_->AllIsJoined())  {
-
+        if (GetGasInactiveReaminTime() > 3) {
+            acc_inactive_time_ += GetGasInactiveReaminTime() - 2;
+        }
     }
 }