diff --git a/Assets/Prefabs/Covers/Cover_1.prefab b/Assets/Prefabs/Covers/Cover_1.prefab
index a00dbbe..a59e670 100644
--- a/Assets/Prefabs/Covers/Cover_1.prefab
+++ b/Assets/Prefabs/Covers/Cover_1.prefab
@@ -278,6 +278,16 @@ PrefabInstance:
       propertyPath: m_Name
       value: Stone_cover_1
       objectReference: {fileID: 0}
+    - target: {fileID: 2573726282031660673, guid: 18578cef76f60fb49b68208d148d791a,
+        type: 3}
+      propertyPath: m_NavMeshLayer
+      value: 1
+      objectReference: {fileID: 0}
+    - target: {fileID: 2573726282031660673, guid: 18578cef76f60fb49b68208d148d791a,
+        type: 3}
+      propertyPath: m_StaticEditorFlags
+      value: 40
+      objectReference: {fileID: 0}
     m_RemovedComponents: []
   m_SourcePrefab: {fileID: 100100000, guid: 18578cef76f60fb49b68208d148d791a, type: 3}
 --- !u!4 &7021381072122636938 stripped
diff --git a/Assets/Prefabs/Covers/Cover_2.prefab b/Assets/Prefabs/Covers/Cover_2.prefab
index 10dc478..293bf26 100644
--- a/Assets/Prefabs/Covers/Cover_2.prefab
+++ b/Assets/Prefabs/Covers/Cover_2.prefab
@@ -291,6 +291,16 @@ PrefabInstance:
       propertyPath: m_Name
       value: Stone_cover_2
       objectReference: {fileID: 0}
+    - target: {fileID: 2573726282031660673, guid: a3d3065ebc9ee0542a961230b1c71bd9,
+        type: 3}
+      propertyPath: m_NavMeshLayer
+      value: 1
+      objectReference: {fileID: 0}
+    - target: {fileID: 2573726282031660673, guid: a3d3065ebc9ee0542a961230b1c71bd9,
+        type: 3}
+      propertyPath: m_StaticEditorFlags
+      value: 40
+      objectReference: {fileID: 0}
     m_RemovedComponents: []
   m_SourcePrefab: {fileID: 100100000, guid: a3d3065ebc9ee0542a961230b1c71bd9, type: 3}
 --- !u!1 &7582293948319536009 stripped
diff --git a/Assets/Prefabs/Covers/Cover_3.prefab b/Assets/Prefabs/Covers/Cover_3.prefab
index a22687c..cf8f55c 100644
--- a/Assets/Prefabs/Covers/Cover_3.prefab
+++ b/Assets/Prefabs/Covers/Cover_3.prefab
@@ -203,6 +203,16 @@ PrefabInstance:
       propertyPath: m_Name
       value: Stone_cover_3
       objectReference: {fileID: 0}
+    - target: {fileID: 2573726282031660673, guid: 20ed742f8acbab246a7a22d18d451eab,
+        type: 3}
+      propertyPath: m_NavMeshLayer
+      value: 1
+      objectReference: {fileID: 0}
+    - target: {fileID: 2573726282031660673, guid: 20ed742f8acbab246a7a22d18d451eab,
+        type: 3}
+      propertyPath: m_StaticEditorFlags
+      value: 40
+      objectReference: {fileID: 0}
     m_RemovedComponents: []
   m_SourcePrefab: {fileID: 100100000, guid: 20ed742f8acbab246a7a22d18d451eab, type: 3}
 --- !u!4 &3684049517777975704 stripped
diff --git a/Assets/Scenes/Primitive scene/Fantastic.meta b/Assets/Scenes/Primitive scene/Fantastic.meta
new file mode 100644
index 0000000..0a8413d
--- /dev/null
+++ b/Assets/Scenes/Primitive scene/Fantastic.meta	
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 735b02b5f6c76034a9b74e215e33b47e
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Scenes/Primitive scene/Fantastic.unity b/Assets/Scenes/Primitive scene/Fantastic.unity
index 189ada7..b3fbf54 100644
--- a/Assets/Scenes/Primitive scene/Fantastic.unity	
+++ b/Assets/Scenes/Primitive scene/Fantastic.unity	
@@ -120,7 +120,7 @@ NavMeshSettings:
     accuratePlacement: 0
     debug:
       m_Flags: 0
-  m_NavMeshData: {fileID: 0}
+  m_NavMeshData: {fileID: 23800000, guid: 9d91a388376ddfd429c6858a3e1a2113, type: 2}
 --- !u!1001 &9612402
 PrefabInstance:
   m_ObjectHideFlags: 0
@@ -6563,6 +6563,16 @@ PrefabInstance:
   m_Modification:
     m_TransformParent: {fileID: 2059424040}
     m_Modifications:
+    - target: {fileID: 4993924595664647136, guid: e083991d0350e6a45b42ebd91e99c08a,
+        type: 3}
+      propertyPath: m_NavMeshLayer
+      value: 1
+      objectReference: {fileID: 0}
+    - target: {fileID: 4993924595664647136, guid: e083991d0350e6a45b42ebd91e99c08a,
+        type: 3}
+      propertyPath: m_StaticEditorFlags
+      value: 40
+      objectReference: {fileID: 0}
     - target: {fileID: 7420328682374374467, guid: e083991d0350e6a45b42ebd91e99c08a,
         type: 3}
       propertyPath: m_RootOrder
diff --git a/Assets/Scenes/Primitive scene/Fantastic/NavMesh.asset b/Assets/Scenes/Primitive scene/Fantastic/NavMesh.asset
new file mode 100644
index 0000000..ed5b052
Binary files /dev/null and b/Assets/Scenes/Primitive scene/Fantastic/NavMesh.asset differ
diff --git a/Assets/Scenes/Primitive scene/Fantastic/NavMesh.asset.meta b/Assets/Scenes/Primitive scene/Fantastic/NavMesh.asset.meta
new file mode 100644
index 0000000..8489dfb
--- /dev/null
+++ b/Assets/Scenes/Primitive scene/Fantastic/NavMesh.asset.meta	
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 9d91a388376ddfd429c6858a3e1a2113
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 23800000
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: