diff --git a/server/gameserver/bag.cc b/server/gameserver/bag.cc
index 00a71425..062d2d73 100644
--- a/server/gameserver/bag.cc
+++ b/server/gameserver/bag.cc
@@ -19,3 +19,9 @@ void Bag::Parse(const std::list<int>& items)
     p->equip_meta = mt::Equip::GetById(p->equip_id);
     items_[p->equip_id] = p;
 }
+
+std::shared_ptr<BagItem> Bag::GetItemById(int equip_id)
+{
+    auto itr = items_.find(equip_id);
+    return itr != items_.end() ? itr->second : nullptr;
+}
diff --git a/server/gameserver/bag.h b/server/gameserver/bag.h
index 1b3b265f..b7f6bb98 100644
--- a/server/gameserver/bag.h
+++ b/server/gameserver/bag.h
@@ -23,6 +23,7 @@ class Bag
     void UseItem(int equip_id);
     void PushBagInfo();
     void Parse(const std::list<int>& items);
+    std::shared_ptr<BagItem> GetItemById(int equip_id);
 
  private:
     Human* owner_ = nullptr;
diff --git a/server/gameserver/pbutils.cc b/server/gameserver/pbutils.cc
index ac3a4443..5a034fc6 100644
--- a/server/gameserver/pbutils.cc
+++ b/server/gameserver/pbutils.cc
@@ -2947,7 +2947,17 @@ void CustomBattle::NotifyState()
 
 void Bag::UseItem(int equip_id)
 {
-
+    auto p = GetItemById(equip_id);
+    if (p && p->equip_num > 0 && p->GetCdTime(owner_) <= 0) {
+        --p->equip_num;
+        p->last_use_tick = owner_->room->GetFrameNo();
+        cs::SMUpdateBag notify_msg;
+        auto pb_item = notify_msg.add_items();
+        pb_item->set_equip_id(p->equip_id);
+        pb_item->set_equip_num(p->equip_num);
+        pb_item->set_use_cd(p->GetCdTime(owner_));
+        owner_->SendNotifyMsg(notify_msg);
+    }
 }
 
 void Bag::PushBagInfo()