diff --git a/Editor/Internal.meta b/Editor/Internal.meta
deleted file mode 100644
index e729356..0000000
--- a/Editor/Internal.meta
+++ /dev/null
@@ -1,8 +0,0 @@
-fileFormatVersion: 2
-guid: 3e440931f761e4e888510a4e6045287a
-folderAsset: yes
-DefaultImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/README.md b/README.md
index d40fa9d..5bb3300 100644
--- a/README.md
+++ b/README.md
@@ -125,7 +125,8 @@ _This package requires **Unity 2018.3 or later**._
 
 - The default value of `UIParticle.scale` has been changed from `10` to `1`.
 - `UIParticle` no longer inherits from `MaskableGraphic`.
-- 
+- Add project settings for UIParticle
+  - enableLinearToGamma: Enables LinearToGamma during mesh baking
 
 <br><br>
 
diff --git a/Runtime/UIParticle.cs b/Runtime/UIParticle.cs
index ce59d7c..dadea31 100644
--- a/Runtime/UIParticle.cs
+++ b/Runtime/UIParticle.cs
@@ -522,6 +522,7 @@ namespace Coffee.UIExtensions
                 var go = transform.GetChild(i).gameObject;
                 if (go.TryGetComponent<Camera>(out var cam) && cam == _bakeCamera) continue;
                 if (go.TryGetComponent<UIParticleRenderer>(out var _)) continue;
+
                 go.SetActive(false);
                 if (destroyOldParticles)
                 {
diff --git a/Runtime/UIParticleRenderer.cs b/Runtime/UIParticleRenderer.cs
index f28f6d0..e289bee 100644
--- a/Runtime/UIParticleRenderer.cs
+++ b/Runtime/UIParticleRenderer.cs
@@ -25,7 +25,6 @@ namespace Coffee.UIExtensions
         private static readonly CombineInstance[] s_CombineInstances = { new CombineInstance() };
         private static readonly List<Material> s_Materials = new List<Material>(2);
         private static MaterialPropertyBlock s_Mpb;
-        private static readonly List<UIParticleRenderer> s_Renderers = new List<UIParticleRenderer>(8);
         private static readonly Vector3[] s_Corners = new Vector3[4];
         private bool _delay;
         private int _index;
@@ -445,22 +444,25 @@ namespace Coffee.UIExtensions
 
             // Get grouped renderers.
             Profiler.BeginSample("[UIParticleRenderer] Set Mesh");
-            s_Renderers.Clear();
+            var renderers = ListPool<UIParticleRenderer>.Rent();
             if (_parent.useMeshSharing)
             {
-                UIParticleUpdater.GetGroupedRenderers(_parent.groupId, _index, s_Renderers);
+                UIParticleUpdater.GetGroupedRenderers(_parent.groupId, _index, renderers);
             }
 
-            for (var i = 0; i < s_Renderers.Count; i++)
+            for (var i = 0; i < renderers.Count; i++)
             {
-                if (s_Renderers[i] == this) continue;
+                var r = renderers[i];
+                if (r == this) continue;
 
-                s_Renderers[i].canvasRenderer.SetMesh(workerMesh);
-                s_Renderers[i]._lastBounds = _lastBounds;
-                s_Renderers[i].canvasRenderer.materialCount = 1;
-                s_Renderers[i].canvasRenderer.SetMaterial(materialForRendering, 0);
+                r.canvasRenderer.SetMesh(workerMesh);
+                r._lastBounds = _lastBounds;
+                r.canvasRenderer.materialCount = 1;
+                r.canvasRenderer.SetMaterial(materialForRendering, 0);
             }
 
+            ListPool<UIParticleRenderer>.Return(ref renderers);
+
             if (_parent.canRender)
             {
                 canvasRenderer.SetMesh(workerMesh);
@@ -471,8 +473,6 @@ namespace Coffee.UIExtensions
             }
 
             Profiler.EndSample();
-
-            s_Renderers.Clear();
         }
 
         public override void SetMaterialDirty()