diff --git a/src/Snap.Hutao/Snap.Hutao/Core/Threading/SpinWaitPolyfill.cs b/src/Snap.Hutao/Snap.Hutao/Core/Threading/SpinWaitPolyfill.cs
index 175da40f..8f1c1036 100644
--- a/src/Snap.Hutao/Snap.Hutao/Core/Threading/SpinWaitPolyfill.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Core/Threading/SpinWaitPolyfill.cs
@@ -7,22 +7,22 @@ namespace Snap.Hutao.Core.Threading;
 
 internal static class SpinWaitPolyfill
 {
-    public static unsafe void SpinUntil<T>(ref T state, delegate*<ref readonly T, bool> condition)
+    public static unsafe void SpinUntil<T>(ref readonly T state, delegate*<ref readonly T, bool> condition)
     {
         SpinWait spinner = default;
-        while (!condition(ref state))
+        while (!condition(in state))
         {
             spinner.SpinOnce();
         }
     }
 
     [SuppressMessage("", "SH002")]
-    public static unsafe bool SpinUntil<T>(ref T state, delegate*<ref readonly T, bool> condition, TimeSpan timeout)
+    public static unsafe bool SpinUntil<T>(ref readonly T state, delegate*<ref readonly T, bool> condition, TimeSpan timeout)
     {
         long startTime = Stopwatch.GetTimestamp();
 
         SpinWait spinner = default;
-        while (!condition(ref state))
+        while (!condition(in state))
         {
             spinner.SpinOnce();
 
diff --git a/src/Snap.Hutao/Snap.Hutao/Core/TypeNameHelper.cs b/src/Snap.Hutao/Snap.Hutao/Core/TypeNameHelper.cs
index b01f5ebe..a68916d5 100644
--- a/src/Snap.Hutao/Snap.Hutao/Core/TypeNameHelper.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Core/TypeNameHelper.cs
@@ -103,7 +103,7 @@ internal static class TypeNameHelper
 
             if (builder is null)
             {
-                if (options.NestedTypeDelimiter != DefaultNestedTypeDelimiter)
+                if (options.NestedTypeDelimiter is not DefaultNestedTypeDelimiter)
                 {
                     return name.Replace(DefaultNestedTypeDelimiter, options.NestedTypeDelimiter);
                 }
@@ -112,7 +112,7 @@ internal static class TypeNameHelper
             }
 
             builder.Append(name);
-            if (options.NestedTypeDelimiter != DefaultNestedTypeDelimiter)
+            if (options.NestedTypeDelimiter is not DefaultNestedTypeDelimiter)
             {
                 builder.Replace(DefaultNestedTypeDelimiter, options.NestedTypeDelimiter, builder.Length - name.Length, name.Length);
             }