diff --git a/src/ActionGameCore/Assets/CharacterControls/Scripts/Runtime/Inputs/CharacterMoveInput.cs b/src/ActionGameCore/Assets/CharacterControls/Scripts/Runtime/Inputs/CharacterMoveInput.cs
index d397a72..fc1e2ca 100644
--- a/src/ActionGameCore/Assets/CharacterControls/Scripts/Runtime/Inputs/CharacterMoveInput.cs
+++ b/src/ActionGameCore/Assets/CharacterControls/Scripts/Runtime/Inputs/CharacterMoveInput.cs
@@ -45,12 +45,18 @@ private class InputActionKeyMap
         private void Start()
         {
             CollectReceivers();
-            PlayerInput.onActionTriggered += OnActionTriggerd;
+            if (PlayerInput != null)
+            {
+                PlayerInput.onActionTriggered += OnActionTriggerd;
+            }
         }
 
         private void OnDestroy()
         {
-            PlayerInput.onActionTriggered -= OnActionTriggerd;
+            if (PlayerInput != null)
+            {
+                PlayerInput.onActionTriggered -= OnActionTriggerd;
+            }
         }
 
         public void CollectReceivers()
diff --git a/src/ActionGameCore/ProjectSettings/ShaderGraphSettings.asset b/src/ActionGameCore/ProjectSettings/ShaderGraphSettings.asset
index 9b28428..486aaba 100644
--- a/src/ActionGameCore/ProjectSettings/ShaderGraphSettings.asset
+++ b/src/ActionGameCore/ProjectSettings/ShaderGraphSettings.asset
@@ -12,5 +12,6 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: de02f9e1d18f588468e474319d09a723, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
+  shaderVariantLimit: 2048
   customInterpolatorErrorThreshold: 32
   customInterpolatorWarningThreshold: 16