diff --git a/server/gameserver/gungrasp.cc b/server/gameserver/gungrasp.cc
index 243eeccf..86446b39 100644
--- a/server/gameserver/gungrasp.cc
+++ b/server/gameserver/gungrasp.cc
@@ -17,7 +17,7 @@ struct GraspBuff
     std::function<void()> on_remove;
     a8::Attacher xtimer_attacher;
 
-    void ProcSignet(GunGrasp* gun_grasp, int count)
+    void ProcSignet(GunGrasp* gun_grasp, int count, Creature* enemy)
     {
         const mt::GraspBuff* buff1_meta = std::get<0>(buffs);
         const mt::GraspBuff* buff2_meta = std::get<1>(buffs);
@@ -36,15 +36,16 @@ struct GraspBuff
                          &xtimer_attacher);
                 }
             }
-        } else {
         }
     }
 
-    void Active(GunGrasp* gun_grasp)
+    void Active(GunGrasp* gun_grasp, Creature* enemy)
     {
         std::array<const mt::GraspBuff*, 2> grasp_triggers_ = {std::get<0>(buffs), std::get<1>(buffs)};
         for (auto& buff : grasp_triggers_) {
             if (buff) {
+                int buff_time = buff->GetBuffTime(gun_grasp->GetHeroLv());
+                int attr_num = buff->GetAttrNum(gun_grasp->GetHeroLv());
                 if (buff->attr_id()) {
                     switch (buff->attr_add_pattern()) {
                     case 1:
@@ -162,8 +163,9 @@ void GunGrasp::ProcHit(GraspBuff* buff)
           kBulletHitEvent,
           [this, buff] (const a8::Args& args)
           {
-              buff->ProcSignet(this, 1);
-              buff->Active(this);
+              Creature* target = args.Get<Creature*>(0);
+              buff->ProcSignet(this, 1, target);
+              buff->Active(this, target);
           })
          );
 }
@@ -177,16 +179,17 @@ void GunGrasp::ProcKill(GraspBuff* buff)
           kKillEvent,
           [this, buff] (const a8::Args& args)
           {
-              buff->ProcSignet(this, 1);
-              buff->Active(this);
+              Creature* target = args.Get<Creature*>(1);
+              buff->ProcSignet(this, 1, target);
+              buff->Active(this, target);
           })
          );
 }
 
 void GunGrasp::ProcTakeOn(GraspBuff* buff)
 {
-    buff->ProcSignet(this, 1);
-    buff->Active(this);
+    buff->ProcSignet(this, 1, nullptr);
+    buff->Active(this, nullptr);
 }
 
 void GunGrasp::ProcCond(GraspBuff* buff)
@@ -203,8 +206,9 @@ void GunGrasp::ProcHitAndEnd(GraspBuff* buff)
           kBulletHitEvent,
           [this, buff] (const a8::Args& args)
           {
-              buff->ProcSignet(this, 1);
-              buff->Active(this);
+              Creature* target = args.Get<Creature*>(1);
+              buff->ProcSignet(this, 1, target);
+              buff->Active(this, target);
           })
          );
 }