diff --git a/server/gameserver/android.ai.cc b/server/gameserver/android.ai.cc
index be84496..eb1643b 100644
--- a/server/gameserver/android.ai.cc
+++ b/server/gameserver/android.ai.cc
@@ -164,7 +164,8 @@ void AndroidAI::DoAttack()
                 shot_dir.Normalize();
                 shot_dir.Rotate((rand() % 10) / 180.0f);
                 sender->attack_dir = shot_dir;
-                sender->Shot(shot_dir);
+                bool shot_ok = false;
+                sender->Shot(shot_dir, shot_ok);
             }
         }
         last_target_ = enemy;
@@ -198,7 +199,8 @@ void AndroidAI::UpdateNewBieNpc()
             shot_dir.Normalize();
             shot_dir.Rotate((rand() % 10) / 180.0f);
             sender->attack_dir = shot_dir;
-            sender->Shot(shot_dir);
+            bool shot_ok = false;
+            sender->Shot(shot_dir, shot_ok);
         }
     } else {
         a8::UnSetBitFlag(hum->status, HS_NewBieGuideAndroid);
@@ -239,7 +241,8 @@ void AndroidAI::UpdateLastNpc()
             shot_dir.Normalize();
             shot_dir.Rotate((rand() % 10) / 180.0f);
             sender->attack_dir = shot_dir;
-            sender->Shot(shot_dir);
+            bool shot_ok = false;
+            sender->Shot(shot_dir, shot_ok);
         }
     } else {
         a8::UnSetBitFlag(hum->status, HS_LastAndroid);
@@ -351,7 +354,8 @@ void AndroidAI::UpdateNewBieRoomLogic()
                 shot_dir.Normalize();
                 shot_dir.Rotate((rand() % 10) / 180.0f);
                 sender->attack_dir = shot_dir;
-                sender->Shot(shot_dir);
+                bool shot_ok = false;
+                sender->Shot(shot_dir, shot_ok);
             }
         }
         if (old_last_target && last_target_ && old_last_target == last_target_) {
diff --git a/server/gameserver/android_new.ai.cc b/server/gameserver/android_new.ai.cc
index c3a2b4a..215a085 100644
--- a/server/gameserver/android_new.ai.cc
+++ b/server/gameserver/android_new.ai.cc
@@ -190,7 +190,8 @@ void AndroidNewAI::DoAttackOldAI()
                 shot_dir.Normalize();
                 shot_dir.Rotate((rand() % 10) / 180.0f);
                 sender->attack_dir = shot_dir;
-                sender->Shot(shot_dir);
+                bool shot_ok = false;
+                sender->Shot(shot_dir, shot_ok);
             }
         }
         old_ai_data_.last_target = enemy;
@@ -224,7 +225,8 @@ void AndroidNewAI::UpdateNewBieNpc()
             shot_dir.Normalize();
             shot_dir.Rotate((rand() % 10) / 180.0f);
             sender->attack_dir = shot_dir;
-            sender->Shot(shot_dir);
+            bool shot_ok = false;
+            sender->Shot(shot_dir, shot_ok);
         }
     } else {
         a8::UnSetBitFlag(hum->status, HS_NewBieGuideAndroid);
@@ -264,7 +266,8 @@ void AndroidNewAI::UpdateLastNpc()
             shot_dir.Normalize();
             shot_dir.Rotate((rand() % 10) / 180.0f);
             sender->attack_dir = shot_dir;
-            sender->Shot(shot_dir);
+            bool shot_ok = false;
+            sender->Shot(shot_dir, shot_ok);
         }
     } else {
         a8::UnSetBitFlag(hum->status, HS_LastAndroid);
@@ -376,7 +379,8 @@ void AndroidNewAI::UpdateNewBieRoomLogic()
                 shot_dir.Normalize();
                 shot_dir.Rotate((rand() % 10) / 180.0f);
                 sender->attack_dir = shot_dir;
-                sender->Shot(shot_dir);
+                bool shot_ok = false;
+                sender->Shot(shot_dir, shot_ok);
             }
         }
         if (old_last_target && old_ai_data_.last_target && old_last_target == old_ai_data_.last_target) {
diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index 1f66e7e..94719b6 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -312,8 +312,9 @@ void Human::FillMFTeamData(cs::MFTeamData* team_data, bool is_game_over)
     }
 }
 
-void Human::Shot(a8::Vec2& target_dir)
+void Human::Shot(a8::Vec2& target_dir, bool& shot_ok)
 {
+    shot_ok = false;
     if (!curr_weapon->meta) {
         return;
     }
@@ -410,6 +411,7 @@ void Human::Shot(a8::Vec2& target_dir)
     if (!need_sync_active_player) {
         room->frame_event.AddBulletNumChg(this);
     }
+    shot_ok = true;
 }
 
 void Human::TankShot(a8::Vec2& target_dir)
diff --git a/server/gameserver/human.h b/server/gameserver/human.h
index 9f44643..64a465b 100644
--- a/server/gameserver/human.h
+++ b/server/gameserver/human.h
@@ -167,7 +167,7 @@ class Human : public MoveableEntity
     virtual long long GetDeadFrameNo(Room* room) override;
     long long GetRealDeadFrameNo(Room* room);
     void FillMFTeamData(cs::MFTeamData* team_data, bool is_game_over);
-    void Shot(a8::Vec2& target_dir);
+    void Shot(a8::Vec2& target_dir, bool& shot_ok);
     void TankShot(a8::Vec2& target_dir);
     void RecalcSelfCollider();
     bool IsCollisionInMapService();