diff --git a/Assets/YooAsset/Samples~/Extension Sample/Editor/ShaderVariantCollector/ShaderVariantCollector.cs b/Assets/YooAsset/Samples~/Extension Sample/Editor/ShaderVariantCollector/ShaderVariantCollector.cs
index 37f128d4..81cb98b6 100644
--- a/Assets/YooAsset/Samples~/Extension Sample/Editor/ShaderVariantCollector/ShaderVariantCollector.cs	
+++ b/Assets/YooAsset/Samples~/Extension Sample/Editor/ShaderVariantCollector/ShaderVariantCollector.cs	
@@ -106,6 +106,9 @@ public static class ShaderVariantCollector
 
         if (_steps == ESteps.CollectSleeping)
         {
+            if (ShaderUtil.anythingCompiling)
+                return;
+
             if (_elapsedTime.ElapsedMilliseconds > SleepMilliseconds)
             {
                 DestroyAllSpheres();