diff --git a/server/gameserver/bullet.cc b/server/gameserver/bullet.cc
index 102223c5..ae6faf64 100644
--- a/server/gameserver/bullet.cc
+++ b/server/gameserver/bullet.cc
@@ -31,6 +31,7 @@
 
 struct BulletCheckResult
 {
+    float flyed_distance = 0.0f;
     int c_hit_num = 0;
     int t_hit_num = 0;
     int o_hit_num = 0;
@@ -477,69 +478,19 @@ float Bullet::GetExplosionRange()
 void Bullet::Check(float distance)
 {
     BulletCheckResult result;
+    result.flyed_distance = distance;
     GetHitThings(result);
     if (result.o_hit_num <= 0) {
         GetHitCreatures(result);
     }
-    float bullet_range = gun_meta->range();
-    if (!result.objects.empty() || (!IsBomb() && distance > bullet_range) || result.eat ||
+    if (!result.objects.empty() || (!IsBomb() && distance > gun_meta->range()) || result.eat ||
         (gun_meta->id() == 30918 && distance >= fly_distance) ||
         (IsBomb() && meta->_inventory_slot() != IS_RPG && distance >= fly_distance)
         ) {
         if (IsBomb()) {
             ProcBomb();
         } else {
-            bool hited = false;
-            if (!result.eat && !result.objects.empty()) {
-                hited = true;
-                OnHit(result.objects);
-            }
-            bool need_remove = true;
-            if (distance < bullet_range) {
-                if (!gun_meta->is_penetrate_thing() && !gun_meta->ispenetrate()) {
-                } else {
-                    if ((!gun_meta->is_penetrate_thing() && (result.t_hit_num > 0)) ||
-                        (!gun_meta->ispenetrate() && (result.c_hit_num > 0))) {
-                    } else {
-                        need_remove = false;
-                    }
-                }
-            }
-            if (need_remove) {
-                if (IsFlyHook()) {
-                    if (!hited) {
-                        sender.Get()->IncDisableMoveTimes();
-                        sender.Get()->IncDisableAttackDirTimes();
-                        auto sender_p = sender;
-                        sender.Get()->room->xtimer.SetTimeoutEx
-                            (
-                             std::ceil((distance / gun_meta->bullet_speed() / 2) * SERVER_FRAME_RATE),
-                             [sender_p] (int event, const a8::Args* args) mutable
-                             {
-                                 if (a8::TIMER_EXEC_EVENT == event) {
-                                     sender_p.Get()->RemoveBuffById(kKeepShotAnimiBuffId);
-                                 }
-                             },
-                             &sender.Get()->xtimer_attacher
-                             );
-                        sender.Get()->room->xtimer.SetTimeoutEx
-                            (
-                             (0.75 +  distance / gun_meta->bullet_speed() / 2) * SERVER_FRAME_RATE,
-                             [sender_p] (int event, const a8::Args* args) mutable
-                             {
-                                 if (a8::TIMER_EXEC_EVENT == event) {
-                                     sender_p.Get()->DecDisableMoveTimes();
-                                     sender_p.Get()->DecDisableAttackDirTimes();
-                                     sender_p.Get()->GetTrigger()->FlyHookDestory();
-                                 }
-                             },
-                             &sender.Get()->xtimer_attacher
-                             );
-                        sender.Get()->TryAddBuff(sender.Get(), gun_meta->_int_param2);
-                    }
-                }
-                ForceRemove();
-            }
+            ProcNormalBullet(result);
         }
     }
 }
@@ -948,3 +899,59 @@ void Bullet::GetHitCreatures(BulletCheckResult& result)
              }
          });
 }
+
+
+void Bullet::ProcNormalBullet(BulletCheckResult& result)
+{
+    bool hited = false;
+    if (!result.eat && !result.objects.empty()) {
+        hited = true;
+        OnHit(result.objects);
+    }
+    bool need_remove = true;
+    if (result.flyed_distance < gun_meta->range()) {
+        if (!gun_meta->is_penetrate_thing() && !gun_meta->ispenetrate()) {
+        } else {
+            if ((!gun_meta->is_penetrate_thing() && (result.t_hit_num > 0)) ||
+                (!gun_meta->ispenetrate() && (result.c_hit_num > 0))) {
+            } else {
+                need_remove = false;
+            }
+        }
+    }
+    if (need_remove) {
+        if (IsFlyHook()) {
+            if (!hited) {
+                sender.Get()->IncDisableMoveTimes();
+                sender.Get()->IncDisableAttackDirTimes();
+                auto sender_p = sender;
+                sender.Get()->room->xtimer.SetTimeoutEx
+                    (
+                     std::ceil((result.flyed_distance / gun_meta->bullet_speed() / 2) * SERVER_FRAME_RATE),
+                     [sender_p] (int event, const a8::Args* args) mutable
+                     {
+                         if (a8::TIMER_EXEC_EVENT == event) {
+                             sender_p.Get()->RemoveBuffById(kKeepShotAnimiBuffId);
+                         }
+                     },
+                     &sender.Get()->xtimer_attacher
+                     );
+                sender.Get()->room->xtimer.SetTimeoutEx
+                    (
+                     (0.75 +  result.flyed_distance / gun_meta->bullet_speed() / 2) * SERVER_FRAME_RATE,
+                     [sender_p] (int event, const a8::Args* args) mutable
+                     {
+                         if (a8::TIMER_EXEC_EVENT == event) {
+                             sender_p.Get()->DecDisableMoveTimes();
+                             sender_p.Get()->DecDisableAttackDirTimes();
+                             sender_p.Get()->GetTrigger()->FlyHookDestory();
+                         }
+                     },
+                     &sender.Get()->xtimer_attacher
+                     );
+                sender.Get()->TryAddBuff(sender.Get(), gun_meta->_int_param2);
+            }
+        }
+        ForceRemove();
+    }
+}
diff --git a/server/gameserver/bullet.h b/server/gameserver/bullet.h
index 06411b2c..70dff0c1 100644
--- a/server/gameserver/bullet.h
+++ b/server/gameserver/bullet.h
@@ -61,6 +61,7 @@ protected:
  private:
 
     void ProcBomb();
+    void ProcNormalBullet(BulletCheckResult& result);
     void ProcSmokeBomb();
     void ProcFragBomb(int delay_time);
     void ProcPosionGasBomb(int delay_time);