diff --git a/Assets/game/Scenes/level10.unity b/Assets/game/Scenes/level10.unity
index a50aa2d..95b934e 100644
--- a/Assets/game/Scenes/level10.unity
+++ b/Assets/game/Scenes/level10.unity
@@ -9227,10 +9227,6 @@ PrefabInstance:
       propertyPath: m_Name
       value: Niko
       objectReference: {fileID: 0}
-    - target: {fileID: 8839028357585900681, guid: 1ebf5405780ee1c4d86fd110b90f6ac5, type: 3}
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   m_SourcePrefab: {fileID: 100100000, guid: 1ebf5405780ee1c4d86fd110b90f6ac5, type: 3}
 --- !u!4 &1201979656 stripped
diff --git a/Assets/game/Scenes/level11.unity b/Assets/game/Scenes/level11.unity
index 939abe8..2c4b016 100644
--- a/Assets/game/Scenes/level11.unity
+++ b/Assets/game/Scenes/level11.unity
@@ -8580,10 +8580,6 @@ PrefabInstance:
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       value: Niko
       objectReference: {fileID: 0}
-    - target: {fileID: 8839028357585900681, guid: 1ebf5405780ee1c4d86fd110b90f6ac5, type: 3}
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     m_RemovedComponents: []
   m_SourcePrefab: {fileID: 100100000, guid: 1ebf5405780ee1c4d86fd110b90f6ac5, type: 3}
 --- !u!4 &1201979656 stripped
diff --git a/Assets/game/Scenes/level17.unity b/Assets/game/Scenes/level17.unity
index 5b0c79c..9c37363 100644
--- a/Assets/game/Scenes/level17.unity
+++ b/Assets/game/Scenes/level17.unity
@@ -1955,10 +1955,6 @@ PrefabInstance:
       propertyPath: m_Name
       value: Niko
       objectReference: {fileID: 0}
-    - target: {fileID: 8839028357585900681, guid: 1ebf5405780ee1c4d86fd110b90f6ac5, type: 3}
-      propertyPath: target
-      value: 
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     m_RemovedComponents: []
   m_SourcePrefab: {fileID: 100100000, guid: 1ebf5405780ee1c4d86fd110b90f6ac5, type: 3}
 --- !u!4 &246643321 stripped
diff --git a/Assets/game/Scenes/level4.unity b/Assets/game/Scenes/level4.unity
index 6e207d5..db33ab2 100644
--- a/Assets/game/Scenes/level4.unity
+++ b/Assets/game/Scenes/level4.unity
@@ -3534,10 +3534,6 @@ PrefabInstance:
       propertyPath: m_Name
       value: Niko
       objectReference: {fileID: 0}
-    - target: {fileID: 8839028357585900681, guid: 1ebf5405780ee1c4d86fd110b90f6ac5, type: 3}
-      propertyPath: target
-      value: 
-      objectReference: {fileID: 820667352}
     m_RemovedComponents: []
   m_SourcePrefab: {fileID: 100100000, guid: 1ebf5405780ee1c4d86fd110b90f6ac5, type: 3}
 --- !u!4 &633755791 stripped
diff --git a/Assets/game/Scenes/level6.unity b/Assets/game/Scenes/level6.unity
index cbf599c..d6aea1a 100644
--- a/Assets/game/Scenes/level6.unity
+++ b/Assets/game/Scenes/level6.unity
@@ -27662,22 +27662,6 @@ PrefabInstance:
       propertyPath: m_Name
       value: Niko
       objectReference: {fileID: 0}
-    - target: {fileID: 733867154372970514, guid: 1ebf5405780ee1c4d86fd110b90f6ac5, type: 3}
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-      propertyPath: m_SortingLayerID
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-    - target: {fileID: 733867154372970519, guid: 1ebf5405780ee1c4d86fd110b90f6ac5, type: 3}
-      propertyPath: m_Name
-      value: GFX
-      objectReference: {fileID: 0}
-    - target: {fileID: 8839028357585900681, guid: 1ebf5405780ee1c4d86fd110b90f6ac5, type: 3}
-      propertyPath: target
-      value: 
-      objectReference: {fileID: 820667352}
     m_RemovedComponents: []
   m_SourcePrefab: {fileID: 100100000, guid: 1ebf5405780ee1c4d86fd110b90f6ac5, type: 3}
 --- !u!4 &2093410733 stripped
diff --git a/Assets/game/Scenes/level9.unity b/Assets/game/Scenes/level9.unity
index bd2a283..21f3572 100644
--- a/Assets/game/Scenes/level9.unity
+++ b/Assets/game/Scenes/level9.unity
@@ -8226,10 +8226,6 @@ PrefabInstance:
       propertyPath: m_Name
       value: Niko
       objectReference: {fileID: 0}
-    - target: {fileID: 8839028357585900681, guid: 1ebf5405780ee1c4d86fd110b90f6ac5, type: 3}
-      propertyPath: target
-      value: 
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     m_RemovedComponents: []
   m_SourcePrefab: {fileID: 100100000, guid: 1ebf5405780ee1c4d86fd110b90f6ac5, type: 3}
 --- !u!4 &1201979656 stripped
diff --git a/Assets/game/enemy/Niko/Niko.prefab b/Assets/game/enemy/Niko/Niko.prefab
index 4d456bc..e1c83e9 100644
--- a/Assets/game/enemy/Niko/Niko.prefab
+++ b/Assets/game/enemy/Niko/Niko.prefab
@@ -40,7 +40,6 @@ GameObject:
   serializedVersion: 6
   m_Component:
   - component: {fileID: 733867154069418468}
-  - component: {fileID: 2833982516894209453}
   - component: {fileID: 5919695935100980830}
   - component: {fileID: 848612645191291936}
   - component: {fileID: 8839028357585900681}
@@ -69,32 +68,6 @@ Transform:
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   m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
---- !u!61 &2833982516894209453
-BoxCollider2D:
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-  m_CorrespondingSourceObject: {fileID: 0}
-  m_PrefabInstance: {fileID: 0}
-  m_PrefabAsset: {fileID: 0}
-  m_GameObject: {fileID: 733867154069418475}
-  m_Enabled: 0
-  m_Density: 1
-  m_Material: {fileID: 0}
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-  m_UsedByEffector: 0
-  m_UsedByComposite: 0
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-  m_SpriteTilingProperty:
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-    pivot: {x: 0, y: 0}
-    oldSize: {x: 0, y: 0}
-    newSize: {x: 0, y: 0}
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-    drawMode: 0
-    adaptiveTiling: 0
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-  serializedVersion: 2
-  m_Size: {x: 0.722301, y: 1.9299684}
-  m_EdgeRadius: 0
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 MonoBehaviour:
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@@ -140,18 +113,15 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 47359120e526c684ea05ee10672c3166, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  target: {fileID: 0}
-  firePoint: {fileID: 7831235675031236576}
-  speed: 3
   SlowSpeed: 0.5
   NormalSpeed: 3
   range: 15
-  enemyGFX: {fileID: 733867154372970512}
+  firePoint: {fileID: 7831235675031236576}
   EnemyWeapon: {fileID: 1539632861300792, guid: d14d64f2981f4af4aa6719a74c9c3532, type: 3}
-  animator: {fileID: 733867154372970513}
   health: 100
   deathEffect: {fileID: 1755349173569476, guid: 3c45864be6a059a4a82a25e285298338, type: 3}
   groundCheckCollider: {fileID: 5700709396181095953}
+  enemyGFX: {fileID: 733867154372970512}
 --- !u!70 &4422721478144064129
 CapsuleCollider2D:
   m_ObjectHideFlags: 0
@@ -196,7 +166,7 @@ GameObject:
   - component: {fileID: 733867154372970514}
   - component: {fileID: 733867154372970513}
   m_Layer: 0
-  m_Name: BirdGFX
+  m_Name: GFX
   m_TagString: Untagged
   m_Icon: {fileID: 0}
   m_NavMeshLayer: 0
@@ -272,7 +242,7 @@ SpriteRenderer:
   m_SpriteSortPoint: 0
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 Animator:
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+  serializedVersion: 5
   m_ObjectHideFlags: 0
   m_CorrespondingSourceObject: {fileID: 0}
   m_PrefabInstance: {fileID: 0}
@@ -289,4 +259,5 @@ Animator:
   m_WarningMessage: 
   m_HasTransformHierarchy: 1
   m_AllowConstantClipSamplingOptimization: 1
-  m_KeepAnimatorControllerStateOnDisable: 0
+  m_KeepAnimatorStateOnDisable: 0
+  m_WriteDefaultValuesOnDisable: 0