diff --git a/server/gameserver/bag.cc b/server/gameserver/bag.cc
index b97a2f5a..809cae58 100644
--- a/server/gameserver/bag.cc
+++ b/server/gameserver/bag.cc
@@ -20,7 +20,7 @@ int BagItem::GetCdTime(Human* hum)
                     (potion_meta->cooldown() * SERVER_FRAME_RATE - (hum->room->GetFrameNo() - last_use_tick)) * FRAME_RATE_MS);
 }
 
-void Bag::Parse(const std::list<std::tuple<int, int, int>>& items)
+void Bag::Parse(const std::list<std::tuple<int, int, int, int>>& items)
 {
     for (auto tuple : items) {
         auto item_id = std::get<0>(tuple);
diff --git a/server/gameserver/bag.h b/server/gameserver/bag.h
index b4e09402..5020031e 100644
--- a/server/gameserver/bag.h
+++ b/server/gameserver/bag.h
@@ -26,8 +26,9 @@ class Bag
     Bag(Human* owner) { owner_ = owner; };
     void UseItem(int equip_id);
     void PushBagInfo();
-    void Parse(const std::list<std::tuple<int, int, int>>& items);
+    void Parse(const std::list<std::tuple<int, int, int, int>>& items);
     std::shared_ptr<BagItem> GetItemById(int equip_id);
+    void UpdateItemNum(int item_id, int item_num);
 
  private:
     void InternalPushBagInfo();
diff --git a/server/gameserver/netdata.cc b/server/gameserver/netdata.cc
index 28d37408..bcccaa32 100644
--- a/server/gameserver/netdata.cc
+++ b/server/gameserver/netdata.cc
@@ -559,7 +559,7 @@ void BattleDataContext::ParseResult(a8::XObject& obj)
                 int item_id = info->Get("item_id").GetInt();
                 int item_num = info->Get("item_num").GetInt();
                 if (item_num > 0) {
-                    items_.push_back(std::make_tuple(item_id, item_num, 0));
+                    items_.push_back(std::make_tuple(item_id, item_num, 0, 0));
                 }
             }
         }
diff --git a/server/gameserver/netdata.h b/server/gameserver/netdata.h
index f4d15da9..a0fb46b3 100644
--- a/server/gameserver/netdata.h
+++ b/server/gameserver/netdata.h
@@ -101,7 +101,7 @@ struct BattleDataContext
     int GetHonor();
     int GetElo() { return elo_; }
     const std::list<int>& GetAvatars() { return avatars_; }
-    const std::list<std::tuple<int, int, int>>& GetItems() { return items_; }
+    const std::list<std::tuple<int, int, int, int>>& GetItems() { return items_; }
     std::shared_ptr<HeroAbility> GetHeroAbility() { return hero_ability_; }
 
 private:
@@ -132,7 +132,7 @@ private:
     int battle_times_ = 0;
 
     std::list<int> avatars_;
-    std::list<std::tuple<int, int, int>> items_;
+    std::list<std::tuple<int, int, int, int>> items_; //item_id item_num use_times already_dec_times
 
     int skill1_lv = 1;
     int skill2_lv = 1;
diff --git a/server/gameserver/pbutils.cc b/server/gameserver/pbutils.cc
index a0dc79de..fcb53f1b 100644
--- a/server/gameserver/pbutils.cc
+++ b/server/gameserver/pbutils.cc
@@ -3017,3 +3017,8 @@ void Bag::InternalPushBagInfo()
 #endif
     owner_->SendNotifyMsg(notify_msg);
 }
+
+void Bag::UpdateItemNum(int item_id, int item_num)
+{
+
+}