diff --git a/server/gameserver/hero.cc b/server/gameserver/hero.cc
index 18883ba3..0ab68284 100644
--- a/server/gameserver/hero.cc
+++ b/server/gameserver/hero.cc
@@ -289,6 +289,7 @@ void Hero::BeKill(int killer_id, const std::string& killer_name, int weapon_id)
     if (room->IsPveRoom()) {
         --room->pve_data.mon_num;
         --room->pve_data.killed_num;
+        room->NotifyUiUpdate();
     }
     GetTrigger()->Die();
 }
diff --git a/server/gameserver/incubator.cc b/server/gameserver/incubator.cc
index b119d4c8..c092083c 100644
--- a/server/gameserver/incubator.cc
+++ b/server/gameserver/incubator.cc
@@ -287,6 +287,7 @@ void Incubator::SpawnWaveMon(int wave)
                          A8_ABORT();
                      }
                      ++room->pve_data.mon_num;
+                     room->NotifyUiUpdate();
                  }
              },
              &xtimer_attacher_.timer_list_);