diff --git a/CHANGELOG.md b/CHANGELOG.md
index ccf38c4..df113c5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+# [3.0.0-preview.27](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v3.0.0-preview.26...v3.0.0-preview.27) (2020-09-01)
+
+
+### Bug Fixes
+
+* not masked ([4ef5947](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/4ef5947baa325002aecd1ccbdc75056a6567f14b))
+
 # [3.0.0-preview.26](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v3.0.0-preview.25...v3.0.0-preview.26) (2020-09-01)
 
 
diff --git a/Scripts/UIParticle.cs b/Scripts/UIParticle.cs
index 916dabe..f0b51ff 100755
--- a/Scripts/UIParticle.cs
+++ b/Scripts/UIParticle.cs
@@ -296,13 +296,6 @@ namespace Coffee.UIExtensions
         {
         }
 
-        /// <summary>
-        /// This function is called when the parent property of the transform of the GameObject has changed.
-        /// </summary>
-        protected override void OnTransformParentChanged()
-        {
-        }
-
         /// <summary>
         /// Callback for when properties have been changed by animation.
         /// </summary>
diff --git a/package.json b/package.json
index 483a1ac..7f7b2ad 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "com.coffee.ui-particle",
   "displayName": "UI Particle",
   "description": "This plugin provide a component to render particle effect for uGUI.\nThe particle rendering is maskable and sortable, without Camera, RenderTexture or Canvas.",
-  "version": "3.0.0-preview.26",
+  "version": "3.0.0-preview.27",
   "unity": "2018.2",
   "license": "MIT",
   "repository": {