diff --git a/server/gameserver/buff/callfunc.cc b/server/gameserver/buff/callfunc.cc
index 1132b623..46fbe625 100644
--- a/server/gameserver/buff/callfunc.cc
+++ b/server/gameserver/buff/callfunc.cc
@@ -172,6 +172,12 @@ void CallFuncBuff::Activate()
         {
             SummonCarSpecPoint();
         }
+        break;
+    case BuffCallFunc_e::kRangeHoldBuff:
+        {
+            RangeHoldBuff();
+        }
+        break;
     default:
         {
         }
@@ -273,6 +279,7 @@ void CallFuncBuff::ProcAddMinorMode()
                      if (owner_ptr.Get()) {
                          if (action == 1) {
                              owner_ptr.Get()->TryAddBuff(owner_ptr.Get(), meta_ptr->_int_buff_param4, skill_meta_ptr);
+                             owner_ptr.Get()->RemoveBuffById(meta_ptr->_int_buff_param6);
                          } else if (action == 0) {
                              owner_ptr.Get()->TryAddBuff(owner_ptr.Get(), meta_ptr->_int_buff_param5, skill_meta_ptr);
                          }
@@ -964,3 +971,131 @@ void CallFuncBuff::SummonCarSpecPoint()
          },
          &owner->room->xtimer_attacher_);
 }
+
+void CallFuncBuff::RangeHoldBuff()
+{
+    if (owner->dead) {
+        return;
+    }
+    struct InnerObject
+    {
+        CreatureWeakPtr c;
+        std::vector<int> buff_uniids;
+
+        void OnEnter()
+        {
+
+        }
+
+        void OnLeave()
+        {
+        }
+
+    };
+
+    auto context = A8_MAKE_ANON_STRUCT_SHARED
+        (
+         std::map<int, InnerObject> in_human_infos;
+         );
+
+    auto on_enter =
+        [this, context] (Creature* hum)
+        {
+            if (context->in_human_infos.find(hum->GetUniId()) != context->in_human_infos.end()) {
+                abort();
+            }
+            InnerObject o;
+            o.c = hum->GetWeakPtrRef();
+
+            if (owner->team_id == hum->team_id) {
+                for (int buff_id : meta->_buff_param3_int_list) {
+                    o.buff_uniids.push_back(hum->TryAddBuff(GetCaster().Get(), buff_id, skill_meta));
+                }
+            } else {
+                for (int buff_id : meta->_buff_param4_int_list) {
+                    o.buff_uniids.push_back(hum->TryAddBuff(GetCaster().Get(), buff_id, skill_meta));
+                }
+            }
+
+            context->in_human_infos[hum->GetUniId()] = o;
+            context->in_human_infos[hum->GetUniId()].OnEnter();
+        };
+    auto on_stay =
+        [this, context] (Creature* hum)
+        {
+        };
+    auto on_leave =
+        [this, context] (Creature* hum)
+        {
+            auto itr = context->in_human_infos.find(hum->GetUniId());
+            if (itr == context->in_human_infos.end()) {
+                abort();
+            }
+            for (int buff_uniid : itr->second.buff_uniids) {
+                hum->RemoveBuffByUniId(buff_uniid);
+            }
+            itr->second.OnLeave();
+        };
+    auto check_cb =
+        [this, context, on_enter, on_stay, on_leave]
+        ()
+        {
+            float range = meta->GetBuffParam2(this);
+            std::set<Creature*> hit_humans;
+            owner->room->TraverseAliveHumanList
+                (
+                 [this, range] (Human* hum)
+                 {
+                     if (Collision::CheckCC(owner, owner->GetRadius(),
+                                            hum, range)) {
+                     }
+                     return true;
+                 });
+            std::vector<Human*> leave_humans;
+            for (auto& pair : context->in_human_infos) {
+                if (hit_humans.find(pair.second.c.Get()) == hit_humans.end()) {
+                    on_leave(pair.second.c.Get()->AsHuman());
+                    leave_humans.push_back(pair.second.c.Get()->AsHuman());
+                }
+            }
+            for (Human* hum : leave_humans) {
+                context->in_human_infos.erase(hum->GetUniId());
+            }
+            for (Creature* hum : hit_humans) {
+                if (context->in_human_infos.find(hum->GetUniId()) ==
+                    context->in_human_infos.end()) {
+                    on_enter(hum);
+                    on_stay(hum);
+                } else {
+                    on_stay(hum);
+                }
+            }
+        };
+    owner->room->xtimer.SetIntervalWpEx
+        (
+         SERVER_FRAME_RATE,
+         [this, context, on_enter, on_stay, on_leave, check_cb]
+         (int event, const a8::Args* args) mutable
+         {
+             if (a8::TIMER_EXEC_EVENT == event) {
+                 check_cb();
+             }
+         },
+         &owner->xtimer_attacher);
+    {
+         event_handlers_.push_back(owner->GetTrigger()->AddListener
+            (
+             kDieEvent,
+             [this, context] (const a8::Args& args) mutable
+             {
+                 for (auto& pair : context->in_human_infos) {
+                     for (int buff_uniid : pair.second.buff_uniids) {
+                         if (pair.second.c.Get()) {
+                             pair.second.c.Get()->RemoveBuffByUniId(buff_uniid);
+                         }
+                     }
+                 }
+             }
+             ));
+    }
+}
diff --git a/server/gameserver/buff/callfunc.h b/server/gameserver/buff/callfunc.h
index 1cf1f86a..f090fde9 100644
--- a/server/gameserver/buff/callfunc.h
+++ b/server/gameserver/buff/callfunc.h
@@ -29,6 +29,9 @@ A8_DECLARE_CLASS_ENUM(BuffCallFunc_e, int,
                       kAddMaxHp = 29,
                       kSummonCarSpecPoint = 30,
                       kBossAnimi = 31,
+                      kAntiHide = 32,
+                      kDisableClientSkill = 33,
+                      kRangeHoldBuff = 34,
                       );
 
 
@@ -59,6 +62,7 @@ class CallFuncBuff : public Buff
     void ClearSummonObstacle();
     void DecSkillCd();
     void SummonCarSpecPoint();
+    void RangeHoldBuff();
 
     float hold_param2_ = 0.0;
     Weapon* hold_weapon_ = nullptr;
diff --git a/server/gameserver/constant_export.h b/server/gameserver/constant_export.h
index 72889954..28ab1339 100644
--- a/server/gameserver/constant_export.h
+++ b/server/gameserver/constant_export.h
@@ -48,7 +48,7 @@ A8_DECLARE_ENUM(BuffEffectType_e,
     kBET_ModifyAttr = 13,
     kBET_PlayShotAni = 14, //播放射击动画
     kBET_Vertigo = 15, //眩晕
-    kBET_UnUse16 = 16,
+    kBET_Floating = 16, //浮空
     kBET_PullDone = 17, //拖拽到目的地
     kBET_DelayAddBuff = 18, //延迟加buff
     kBET_ModifyBaseAttr = 19,