diff --git a/Assets/ResourcesData/Background/School Classroom/Glb/School Classroom.Materials/_15.mat b/Assets/ResourcesData/Background/School Classroom/Glb/School Classroom.Materials/_15.mat
index a7b56c8c..4cbb549a 100644
--- a/Assets/ResourcesData/Background/School Classroom/Glb/School Classroom.Materials/_15.mat	
+++ b/Assets/ResourcesData/Background/School Classroom/Glb/School Classroom.Materials/_15.mat	
@@ -70,6 +70,10 @@ Material:
         m_Texture: {fileID: 0}
         m_Scale: {x: 1, y: 1}
         m_Offset: {x: 0, y: 0}
+    - _MetallicMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
     - _OcclusionMap:
         m_Texture: {fileID: 0}
         m_Scale: {x: 1, y: 1}
@@ -99,6 +103,7 @@ Material:
     - _AddPrecomputedVelocity: 0
     - _AlphaClip: 0
     - _AlphaToMask: 0
+    - _BLUR_REFLECTIONS: 0
     - _Blend: 0
     - _BlendModePreserveSpecular: 1
     - _BumpScale: 1
@@ -112,13 +117,16 @@ Material:
     - _DstBlendAlpha: 0
     - _EnvironmentReflections: 1
     - _GlossMapScale: 0
-    - _Glossiness: 0
+    - _Glossiness: 1
     - _GlossyReflections: 0
     - _Metallic: 0
     - _OcclusionStrength: 1
     - _Parallax: 0.005
+    - _QueueControl: 0
     - _QueueOffset: 0
     - _ReceiveShadows: 1
+    - _ReflectionBump: 0.05
+    - _SmoothToReflection: 1
     - _Smoothness: 1
     - _SmoothnessTextureChannel: 0
     - _SpecularHighlights: 1
@@ -131,6 +139,8 @@ Material:
     - _BaseColor: {r: 1, g: 1, b: 1, a: 1}
     - _Color: {r: 1, g: 1, b: 1, a: 1}
     - _EmissionColor: {r: 0, g: 0, b: 0, a: 1}
+    - _ReflectionTint: {r: 1, g: 1, b: 1, a: 0}
     - _SpecColor: {r: 0.19999996, g: 0.19999996, b: 0.19999996, a: 1}
+    - _UVTiling: {r: 1, g: 1, b: 0, a: 0}
   m_BuildTextureStacks: []
   m_AllowLocking: 1
diff --git a/Assets/ResourcesData/Background/School Classroom/Scene/School Classroom.unity b/Assets/ResourcesData/Background/School Classroom/Scene/School Classroom.unity
index 64117e0a..0e078e87 100644
--- a/Assets/ResourcesData/Background/School Classroom/Scene/School Classroom.unity	
+++ b/Assets/ResourcesData/Background/School Classroom/Scene/School Classroom.unity	
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:342b754a9a7a12d6b51baec14361d813e04174dd4e9c67d3d1b14ec3dabfaf32
-size 140613
+oid sha256:897d77c8fe75adcbf3551eb940f5d0af7f3ef94dedd4b8746e83db28f1fb44d3
+size 141461