diff --git a/CHANGELOG.md b/CHANGELOG.md
index a25628d..aff1416 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,15 @@
+# [3.0.0-preview.30](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v3.0.0-preview.29...v3.0.0-preview.30) (2020-09-02)
+
+
+### Bug Fixes
+
+* ignore missing object on initialize ([8bd9b62](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/8bd9b621b9efcd242c410405d066494a1d53f9a3))
+
+
+### Features
+
+* add API to bind ParticleSystem object ([a77bbd3](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a77bbd3a9a65d5fd1198bd8e580982ca8e07fca8))
+
 # [3.0.0-preview.29](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v3.0.0-preview.28...v3.0.0-preview.29) (2020-09-01)
 
 
diff --git a/Scripts/UIParticle.cs b/Scripts/UIParticle.cs
index 9874ac1..7cc701c 100755
--- a/Scripts/UIParticle.cs
+++ b/Scripts/UIParticle.cs
@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Linq;
 using System.Runtime.CompilerServices;
 using UnityEngine;
 using UnityEngine.Rendering;
@@ -123,6 +124,43 @@ namespace Coffee.UIExtensions
             particles.Exec(p => p.Stop());
         }
 
+        public void SetParticleSystemInstance(GameObject instance)
+        {
+            SetParticleSystemInstance(instance, true);
+        }
+
+        public void SetParticleSystemInstance(GameObject instance, bool destroy)
+        {
+            if (!instance) return;
+
+            foreach (Transform child in transform)
+            {
+                var go = child.gameObject;
+                go.SetActive(false);
+                if (!destroy) continue;
+
+#if UNITY_EDITOR
+                if (!Application.isPlaying)
+                    DestroyImmediate(go);
+                else
+#endif
+                    Destroy(go);
+            }
+
+            var tr = instance.transform;
+            tr.SetParent(transform, false);
+            tr.localPosition = Vector3.zero;
+
+            RefreshParticles();
+        }
+
+        public void SetParticleSystemPrefab(GameObject prefab)
+        {
+            if (!prefab) return;
+
+            SetParticleSystemInstance(Instantiate(prefab.gameObject), true);
+        }
+
         public void RefreshParticles()
         {
             GetComponentsInChildren(particles);
@@ -321,7 +359,7 @@ namespace Coffee.UIExtensions
                 return;
             }
 
-            if (!this || 0 < particles.Count) return;
+            if (!this || particles.Any(x => x)) return;
 
             m_IgnoreCanvasScaler = true;
 
diff --git a/Scripts/UIParticleUpdater.cs b/Scripts/UIParticleUpdater.cs
index 29141eb..db3280d 100755
--- a/Scripts/UIParticleUpdater.cs
+++ b/Scripts/UIParticleUpdater.cs
@@ -40,6 +40,7 @@ namespace Coffee.UIExtensions
 
         private static void Refresh()
         {
+            Profiler.BeginSample("[UIParticle] Refresh");
             for (var i = 0; i < s_ActiveParticles.Count; i++)
             {
                 try
@@ -51,6 +52,7 @@ namespace Coffee.UIExtensions
                     Debug.LogException(e);
                 }
             }
+            Profiler.EndSample();
         }
 
         private static void Refresh(UIParticle particle)
diff --git a/package.json b/package.json
index 84f61d3..2fb75f0 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.29",
+  "version": "3.0.0-preview.30",
   "unity": "2018.2",
   "license": "MIT",
   "repository": {