diff --git a/Samples~/Demo/UIParticleSystem_Demo.cs b/Samples~/Demo/UIParticleSystem_Demo.cs
index fd9ebc1..4314bd5 100644
--- a/Samples~/Demo/UIParticleSystem_Demo.cs
+++ b/Samples~/Demo/UIParticleSystem_Demo.cs
@@ -7,7 +7,7 @@ using UnityEngine.UI;
 namespace Coffee.UIExtensions.Demos
 {
 #if UNITY_5_3_OR_NEWER
-    [ExecuteInEditMode]
+    [ExecuteAlways]
     [RequireComponent(typeof(CanvasRenderer), typeof(ParticleSystem))]
     public class UIParticleSystem_Demo : MaskableGraphic
     {
diff --git a/Scripts/UIParticle.cs b/Scripts/UIParticle.cs
index 94e0dd3..7e1dbd5 100755
--- a/Scripts/UIParticle.cs
+++ b/Scripts/UIParticle.cs
@@ -17,7 +17,7 @@ namespace Coffee.UIExtensions
     /// <summary>
     /// Render maskable and sortable particle effect ,without Camera, RenderTexture or Canvas.
     /// </summary>
-    [ExecuteInEditMode]
+    [ExecuteAlways]
     [RequireComponent(typeof(RectTransform))]
     [RequireComponent(typeof(CanvasRenderer))]
     public class UIParticle : MaskableGraphic