diff --git a/server/gameserver/incubator.cc b/server/gameserver/incubator.cc
index ecad4fb2..b119d4c8 100644
--- a/server/gameserver/incubator.cc
+++ b/server/gameserver/incubator.cc
@@ -252,6 +252,9 @@ void Incubator::SpawnWaveMon(int wave)
     if (wave > 0 && room->IsDestoryRoom()) {
         return;
     }
+    if (room->IsGameOver()) {
+        return;
+    }
     auto& mons = room->pve_mode_meta->waves[wave];
     for (MetaData::PveGeminiContent* content : mons) {
         room->xtimer.AddDeadLineTimerAndAttach