diff --git a/src/components/BootstrapBlazor.UniverSheet/Components/UniverSheet.razor.cs b/src/components/BootstrapBlazor.UniverSheet/Components/UniverSheet.razor.cs
index 1a7239bc..fdfac82c 100644
--- a/src/components/BootstrapBlazor.UniverSheet/Components/UniverSheet.razor.cs
+++ b/src/components/BootstrapBlazor.UniverSheet/Components/UniverSheet.razor.cs
@@ -141,15 +141,12 @@ protected override async Task OnAfterRenderAsync(bool firstRender)
         UniverSheetStyleUrl
     });
 
+#if NET9_0_OR_GREATER
     private string UniverBundleStyleUrl
     {
         get
         {
-#if NET9_0_OR_GREATER
             return Assets[UniverBundleStylePath];
-#else
-            return UniverBundleStylePath;
-#endif
         }
     }
 
@@ -157,13 +154,26 @@ private string UniverSheetStyleUrl
     {
         get
         {
-#if NET9_0_OR_GREATER
             return Assets[UniverSheetStylePath];
+        }
+    }
 #else
+    private static string UniverBundleStyleUrl
+    {
+        get
+        {
+            return UniverBundleStylePath;
+        }
+    }
+
+    private static string UniverSheetStyleUrl
+    {
+        get
+        {
             return UniverSheetStylePath;
-#endif
         }
     }
+#endif
 
     /// <summary>
     /// <para lang="zh">推送数据方法</para>