diff --git a/Packages/src/Runtime/UIEffectContext.cs b/Packages/src/Runtime/UIEffectContext.cs
index dc8e46c..82ac251 100644
--- a/Packages/src/Runtime/UIEffectContext.cs
+++ b/Packages/src/Runtime/UIEffectContext.cs
@@ -433,6 +433,8 @@ public void ModifyMesh(Graphic graphic, RectTransform transitionRoot, VertexHelp
 
         private void ApplyGradation(List<UIVertex> verts, Rect rect, Matrix4x4 m, bool canModifyShape)
         {
+            if (gradationMode == GradationMode.None) return;
+
             var a = gradationColor1;
             var b = gradationColor2;
             var offset = gradationOffset;
diff --git a/Packages/src/Runtime/Utilities/GradientUtil.cs b/Packages/src/Runtime/Utilities/GradientUtil.cs
index 9fd5038..d068f84 100644
--- a/Packages/src/Runtime/Utilities/GradientUtil.cs
+++ b/Packages/src/Runtime/Utilities/GradientUtil.cs
@@ -283,9 +283,9 @@ static void AddSplitTime(List<float> results, float time, float offset, float sc
                     time -= scale;
                 }
 
-                while (time < 1f)
+                while (time <= 1f)
                 {
-                    if (0 < time && !Contains(results, time))
+                    if (0 <= time && !Contains(results, time))
                     {
                         results.Add(time);
                     }