diff --git a/src/Snap.Hutao/Snap.Hutao/Win32/Kernel32.cs b/src/Snap.Hutao/Snap.Hutao/Win32/Kernel32.cs
index 5bd46763..df03267d 100644
--- a/src/Snap.Hutao/Snap.Hutao/Win32/Kernel32.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Win32/Kernel32.cs
@@ -42,7 +42,7 @@ internal static class Kernel32
     [DllImport("KERNEL32.dll", CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
     public static extern BOOL FreeConsole();
 
-    [DllImport("KERNEL32.dll", CallingConvention = CallingConvention.Winapi, ExactSpelling = true, SetLastError = true)]
+    [DllImport("KERNEL32.dll", CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
     [SupportedOSPlatform("windows5.1.2600")]
     public static extern BOOL FreeLibrary(HMODULE hLibModule);
 
diff --git a/src/Snap.Hutao/Snap.Hutao/Win32/System/LibraryLoader/Class1.cs b/src/Snap.Hutao/Snap.Hutao/Win32/System/LibraryLoader/Class1.cs
deleted file mode 100644
index eaf02667..00000000
--- a/src/Snap.Hutao/Snap.Hutao/Win32/System/LibraryLoader/Class1.cs
+++ /dev/null
@@ -1,23 +0,0 @@
-// Copyright (c) DGP Studio. All rights reserved.
-// Licensed under the MIT license.
-
-namespace Snap.Hutao.Win32.System.LibraryLoader;
-
-[Flags]
-internal enum LOAD_LIBRARY_FLAGS : uint
-{
-    DONT_RESOLVE_DLL_REFERENCES = 1u,
-    LOAD_LIBRARY_AS_DATAFILE = 2u,
-    LOAD_WITH_ALTERED_SEARCH_PATH = 8u,
-    LOAD_IGNORE_CODE_AUTHZ_LEVEL = 0x10u,
-    LOAD_LIBRARY_AS_IMAGE_RESOURCE = 0x20u,
-    LOAD_LIBRARY_AS_DATAFILE_EXCLUSIVE = 0x40u,
-    LOAD_LIBRARY_REQUIRE_SIGNED_TARGET = 0x80u,
-    LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR = 0x100u,
-    LOAD_LIBRARY_SEARCH_APPLICATION_DIR = 0x200u,
-    LOAD_LIBRARY_SEARCH_USER_DIRS = 0x400u,
-    LOAD_LIBRARY_SEARCH_SYSTEM32 = 0x800u,
-    LOAD_LIBRARY_SEARCH_DEFAULT_DIRS = 0x1000u,
-    LOAD_LIBRARY_SAFE_CURRENT_DIRS = 0x2000u,
-    LOAD_LIBRARY_SEARCH_SYSTEM32_NO_FORWARDER = 0x4000u
-}
diff --git a/src/Snap.Hutao/Snap.Hutao/Win32/System/LibraryLoader/LOAD_LIBRARY_FLAGS.cs b/src/Snap.Hutao/Snap.Hutao/Win32/System/LibraryLoader/LOAD_LIBRARY_FLAGS.cs
new file mode 100644
index 00000000..303dbb45
--- /dev/null
+++ b/src/Snap.Hutao/Snap.Hutao/Win32/System/LibraryLoader/LOAD_LIBRARY_FLAGS.cs
@@ -0,0 +1,23 @@
+// Copyright (c) DGP Studio. All rights reserved.
+// Licensed under the MIT license.
+
+namespace Snap.Hutao.Win32.System.LibraryLoader;
+
+[Flags]
+internal enum LOAD_LIBRARY_FLAGS : uint
+{
+    DONT_RESOLVE_DLL_REFERENCES = 1U,
+    LOAD_LIBRARY_AS_DATAFILE = 2U,
+    LOAD_WITH_ALTERED_SEARCH_PATH = 8U,
+    LOAD_IGNORE_CODE_AUTHZ_LEVEL = 0x10U,
+    LOAD_LIBRARY_AS_IMAGE_RESOURCE = 0x20U,
+    LOAD_LIBRARY_AS_DATAFILE_EXCLUSIVE = 0x40U,
+    LOAD_LIBRARY_REQUIRE_SIGNED_TARGET = 0x80U,
+    LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR = 0x100U,
+    LOAD_LIBRARY_SEARCH_APPLICATION_DIR = 0x200U,
+    LOAD_LIBRARY_SEARCH_USER_DIRS = 0x400U,
+    LOAD_LIBRARY_SEARCH_SYSTEM32 = 0x800U,
+    LOAD_LIBRARY_SEARCH_DEFAULT_DIRS = 0x1000U,
+    LOAD_LIBRARY_SAFE_CURRENT_DIRS = 0x2000U,
+    LOAD_LIBRARY_SEARCH_SYSTEM32_NO_FORWARDER = 0x4000U,
+}