diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index 06f6205..bc3dcd7 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -855,7 +855,11 @@ void Room::UpdateGas()
                 NotifyWxVoip();
                 RoomMgr::Instance()->ActiveRoom(room_uuid);
                 battle_start_frameno_ = frameno;
-                battle_report_timer_ = xtimer.AddDeadLineTimerAndAttach(kSERVER_FRAME_RATE * 15,
+                int game_duration = MetaMgr::Instance()->game_duration;
+                if (App::Instance()->HasFlag(8)) {
+                    game_duration = 15;
+                }
+                battle_report_timer_ = xtimer.AddDeadLineTimerAndAttach(kSERVER_FRAME_RATE * game_duration,
                                                                         a8::XParams()
                                                                         .SetSender(this),
                                                                         [] (const a8::XParams& param)