diff --git a/Packages/com.unity.render-pipelines.universal@14.0.11/Runtime/OcclusionCulling/HizObjectsManager.cs b/Packages/com.unity.render-pipelines.universal@14.0.11/Runtime/OcclusionCulling/HizObjectsManager.cs
index f685636..01ea148 100644
--- a/Packages/com.unity.render-pipelines.universal@14.0.11/Runtime/OcclusionCulling/HizObjectsManager.cs
+++ b/Packages/com.unity.render-pipelines.universal@14.0.11/Runtime/OcclusionCulling/HizObjectsManager.cs
@@ -165,7 +165,7 @@ namespace X.Rendering.Feature
                     var rdr = renderers[i];
                     if (rdr && cullResult.ResultArray.IsCreated)
                     {
-                        bool needCull = cullResult.ResultArray[i] > 0;
+                        bool needCull = cullResult.ResultArray[i] > 0.5f;
 #if UNITY_EDITOR
                         if (ShowDebug && rdr.GetComponent<CullDebug>() is CullDebug cullDebug && cullDebug)
                         {
diff --git a/Packages/com.unity.render-pipelines.universal@14.0.11/Runtime/OcclusionCulling/Shaders/HizCull.shader b/Packages/com.unity.render-pipelines.universal@14.0.11/Runtime/OcclusionCulling/Shaders/HizCull.shader
index 24f611b..3755144 100644
--- a/Packages/com.unity.render-pipelines.universal@14.0.11/Runtime/OcclusionCulling/Shaders/HizCull.shader
+++ b/Packages/com.unity.render-pipelines.universal@14.0.11/Runtime/OcclusionCulling/Shaders/HizCull.shader
@@ -107,13 +107,13 @@
                     #endif
                 }
                 
+                if(maxXY.x < 0 || maxXY.y < 0 || minXY.x > 1 || minXY.y > 1)
+                {
+                    return 1;    
+                }
+
                 float4 boxUVs = float4(minXY, maxXY);
                 
-                // if( boxUVs.x < 0 || boxUVs.y < 0 || boxUVs.x > 1 || boxUVs.y > 1 || boxUVs.z >1 || boxUVs.z<0)
-                // {
-                //     return 1;
-                // }
-                
                 float2 size = (boxUVs.zw - boxUVs.xy) * _Mip0Size.xy;
                 float mip = (log2(max(size.x, size.y)));