diff --git a/server/gameserver/constant_export.h b/server/gameserver/constant_export.h
index 973ce2d6..5799e19b 100644
--- a/server/gameserver/constant_export.h
+++ b/server/gameserver/constant_export.h
@@ -19,6 +19,7 @@ const int kVertigoBuffId = 7018;
 const int kPeaceModeBuffId = 7019;
 const int kPullToWalkableBuffId = 8003;
 const int kDiveBuffId = 8054;
+const int kInvincibleBuffId = 1005;
 
 enum BuffEffectType_e
 {
diff --git a/server/gameserver/creature.cc b/server/gameserver/creature.cc
index baaffb06..a8169974 100644
--- a/server/gameserver/creature.cc
+++ b/server/gameserver/creature.cc
@@ -220,6 +220,11 @@ void InternalShot(Creature* c,
             bullet_info.recoil_force = std::get<4>(tuple);
             bullet_info.invincible_buff_uniid = invincible_buff_uniid;
             InternalCreateBullet(bullet_info);
+            #ifdef DEBUG
+            if (c->IsPlayer()) {
+                printf("delay_time:%d\n", bullet_info.delay_time);
+            }
+            #endif
         }
     }
     c->GetTrigger()->Shot(weapon_meta);
diff --git a/server/gameserver/frameevent.cc b/server/gameserver/frameevent.cc
index 96deb742..8267ae8f 100644
--- a/server/gameserver/frameevent.cc
+++ b/server/gameserver/frameevent.cc
@@ -83,6 +83,11 @@ void FrameEvent::AddBullet(int bullet_uniid,
                            a8::Vec2 dir,
                            float fly_distance)
 {
+    #if DEBUG
+    if (sender.Get()->IsPlayer()) {
+
+    }
+    #endif
     {
         auto& tuple = a8::FastAppend(bullets_);
         std::get<0>(tuple) = sender;
diff --git a/server/gameserver/player.cc b/server/gameserver/player.cc
index 843083d8..87e1dcbc 100644
--- a/server/gameserver/player.cc
+++ b/server/gameserver/player.cc
@@ -1087,14 +1087,12 @@ void Player::_CMRevive(f8::MsgHdr& hdr, const cs::CMRevive& msg)
                      hum->GetPos().y
                     });
 #endif
-        #if 0
         {
-            MetaData::Buff* buff_meta = MetaMgr::Instance()->GetBuff(kREVIVE_BUFF_ID);
-            if (buff_meta) {
-                AddBuff(this, buff_meta, 1);
+            int buff_uniid = TryAddBuff(this, kInvincibleBuffId);
+            if (buff_uniid) {
+                Buff* buff = GetBuffByUniId(buff_uniid);
             }
         }
-        #endif
     }
 }