diff --git a/Assets/Scripts/UI/UIDraw.cs b/Assets/Scripts/UI/UIDraw.cs
index 519f389c..36cdad98 100644
--- a/Assets/Scripts/UI/UIDraw.cs
+++ b/Assets/Scripts/UI/UIDraw.cs
@@ -146,6 +146,7 @@ namespace QFramework.Example
             var color = Icon.color;
             color.a = AlphaSlider.value / 100f;
             Icon.color = color;
+            ScreenShotPainter.instance.SetPaintColor(Icon.color);
             AlphaValue.text = AlphaSlider.value.ToString();
         }