diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index 2eee0688..83c10292 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -432,7 +432,7 @@ void Human::DecHP(float dec_hp, int killer_id, const std::string killer_name, in
         }
     }
     GetTrigger()->HpChg();
-    room->OnHumanHpChg(this);
+    room->OnTeamPartChg(this);
 }
 
 void Human::AddToNewObjects(Entity* entity)
diff --git a/server/gameserver/pbutils.cc b/server/gameserver/pbutils.cc
index dcc11a67..f5c4bf39 100644
--- a/server/gameserver/pbutils.cc
+++ b/server/gameserver/pbutils.cc
@@ -2639,9 +2639,21 @@ void Room::SendSMTeamFull(Human* hum)
 
 }
 
-void Room::OnHumanHpChg(Human* hum)
+void Room::OnTeamPartChg(Human* hum)
 {
-
+    if (hpchg_human_hash_.empty()) {
+        hpchg_human_hash_[hum->GetUniId()] = hum;
+        xtimer.SetTimeoutWpEx
+            (SERVER_FRAME_RATE * 0.5,
+             [this] (int event, const a8::Args* args)
+             {
+                 if (a8::TIMER_EXEC_EVENT == event) {
+                     hpchg_human_hash_.clear();
+                 }
+             },
+             &xtimer_attacher_);
+        hpchg_human_hash_[hum->GetUniId()] = hum;
+    }
 }
 
 int Room::InitWithCustomBattle(long ip_saddr, int socket_handle, std::shared_ptr<cs::CMJoin> msg,
diff --git a/server/gameserver/room.h b/server/gameserver/room.h
index 8d5847fc..c70dd7d0 100644
--- a/server/gameserver/room.h
+++ b/server/gameserver/room.h
@@ -286,7 +286,7 @@ public:
     int GetFullLevelIdx() { return ++curr_full_level_idx_;}
     std::shared_ptr<RoomOb> GetRoomOb();
     void SendSMTeamFull(Human* hum);
-    void OnHumanHpChg(Human* hum);
+    void OnTeamPartChg(Human* hum);
 
 private:
     void ShuaAndroid();