diff --git a/server/gameserver/creature.cc b/server/gameserver/creature.cc
index f3ff6f50..c1146cc7 100644
--- a/server/gameserver/creature.cc
+++ b/server/gameserver/creature.cc
@@ -251,7 +251,7 @@ int Creature::AddBuff(Creature* caster,
         SendDebugMsg(a8::Format("添加buff_id:%d effect:%d %s params:%d,%d,%d,%d,%d uniid:%d dur:%d",
                                 {
                                     buff_meta->i->buff_id(),
-                                 buff_meta->i->buff_effect(),
+                                buff_meta->i->buff_effect(),
                                  buff_meta->i->name(),
                                  buff_meta->int_param1,
                                  buff_meta->int_param2,
diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index a92e4599..f22b1a88 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -4155,12 +4155,13 @@ void Human::ProcAddItemDto(AddItemDTO& dto)
     }
 }
 
-void Human::DropWeapon(int weapon_idx)
+void Human::DropWeapon(int weapon_idx, int num)
 {
     if (weapon_idx < 0 ||
         weapon_idx >= weapons.size()) {
         return;
     }
+    num = std::max(1, num);
     bool drop_ok = false;
     Weapon* weapon = &weapons[weapon_idx];
     int weapon_id = weapon->weapon_id;
@@ -4238,6 +4239,24 @@ void Human::DropWeapon(int weapon_idx)
             break;
         default:
             {
+                weapon_ammo = std::min(weapon->ammo, num);
+                if (weapon_ammo > 0) {
+                    drop_ok = true;
+                    weapon->ammo = std::max(0, weapon->ammo - weapon_ammo);
+                    if (weapon->ammo <= 0) {
+                        *weapon = Weapon();
+                        weapon->weapon_idx = weapon_idx;
+                        if (GetCurrWeapon() == weapon) {
+                            Weapon* next_weapon = ChooseNextSpecWeapon(weapon_idx);
+                            if (!next_weapon) {
+                                next_weapon = AutoChgWeapon();
+                            }
+                            if (next_weapon) {
+                                SetCurrWeapon(next_weapon);
+                            }
+                        }
+                    }
+                }
             }
             break;
         }
diff --git a/server/gameserver/human.h b/server/gameserver/human.h
index 571fd278..f927e1a0 100644
--- a/server/gameserver/human.h
+++ b/server/gameserver/human.h
@@ -367,7 +367,7 @@ protected:
     Weapon* TakeonWeapon(MetaData::Equip* equip_meta);
     void LootInteraction(Loot* entity);
     void ProcAddItemDto(AddItemDTO& dto);
-    void DropWeapon(int weapon_idx);
+    void DropWeapon(int weapon_idx, int num);
 
 private:
     void GenBattleReportData(a8::MutableXObject* params);
diff --git a/server/gameserver/player.cc b/server/gameserver/player.cc
index 99feaef8..1801790a 100644
--- a/server/gameserver/player.cc
+++ b/server/gameserver/player.cc
@@ -855,6 +855,7 @@ void Player::_CMMove(f8::MsgHdr& hdr, const cs::CMMove& msg)
     if (msg.has_drop_weapon()) {
         drop_weapon = true;
         drop_weapon_idx = msg.drop_weapon();
+        drop_num = msg.drop_num();
     }
     if (msg.has_use_scope()) {
         use_scope = true;
@@ -1067,9 +1068,8 @@ void Player::UpdateDropWeapon()
 {
     if (drop_weapon_idx >= 0 &&
         drop_weapon_idx < weapons.size() &&
-        !HasBuffEffect(kBET_Terminator) &&
         !FreezeOperate()) {
-        DropWeapon(drop_weapon_idx);
+        DropWeapon(drop_weapon_idx, drop_num);
     }
     ResetAction();
     AutoLoadingBullet();
diff --git a/server/gameserver/player.h b/server/gameserver/player.h
index 5b3c2d2f..97287ccd 100644
--- a/server/gameserver/player.h
+++ b/server/gameserver/player.h
@@ -39,6 +39,7 @@ class Player : public Human
 
     bool drop_weapon = false;
     size_t drop_weapon_idx = 0;
+    size_t drop_num = 0;
 
     bool cancel_action = false;
 
diff --git a/server/tools/protobuild/cs_proto.proto b/server/tools/protobuild/cs_proto.proto
index 2cffe1f2..bd9b5dfa 100755
--- a/server/tools/protobuild/cs_proto.proto
+++ b/server/tools/protobuild/cs_proto.proto
@@ -951,6 +951,7 @@ message CMMove
 
     optional int32 select_weapon = 8; //切换武器(没切换是不用发)
     optional int32 drop_weapon = 9; //丢弃武器
+    optional int32 drop_num = 43; //丢弃武器(数量)
 
     optional bool cancel_action = 10; //取消当前操作(比如取消使用道具装弹等)
     optional int32 use_item_idx = 11; //使用道具（对应库存索引0-16）