diff --git a/PCL.Core/Utils/OS/NtInterop.cs b/PCL.Core/Utils/OS/NtInterop.cs
index aebd1315e..7ce4c7d95 100644
--- a/PCL.Core/Utils/OS/NtInterop.cs
+++ b/PCL.Core/Utils/OS/NtInterop.cs
@@ -15,9 +15,9 @@ private static partial void RtlGetNtVersionNumbers(
     [LibraryImport("ntdll.dll")]
     private static partial uint RtlAdjustPrivilege(
         SePrivilege privilege,
-        [MarshalAs(UnmanagedType.Bool)] bool enable,
-        [MarshalAs(UnmanagedType.Bool)] bool currentThread,
-        [MarshalAs(UnmanagedType.Bool)] out bool enabled);
+        [MarshalAs(UnmanagedType.U1)] bool enable,
+        [MarshalAs(UnmanagedType.U1)] bool currentThread,
+        [MarshalAs(UnmanagedType.U1)] out bool enabled);
     
     [LibraryImport("ntdll.dll")]
     private static partial ulong RtlNtStatusToDosError(uint status);
@@ -64,7 +64,7 @@ public static Version GetCurrentOsVersion()
     /// <returns>返回原来相应特权的状态。</returns>
     public static bool SetPrivilege(SePrivilege privilege, bool state, bool currentThread = true)
     {
-        var result = RtlAdjustPrivilege(privilege, false, currentThread, out var enabled);
+        var result = RtlAdjustPrivilege(privilege, state, currentThread, out var enabled);
         if (result != 0) _ThrowLastWin32Error((int)RtlNtStatusToDosError(result));
         return enabled;
     }
@@ -74,4 +74,4 @@ public static void SetSystemInformation(SystemInformationClass infoClass, IntPtr
         var result = NtSetSystemInformation(infoClass, info, infoLength);
         if (result != 0) _ThrowLastWin32Error((int)RtlNtStatusToDosError(result));
     }
-}
\ No newline at end of file
+}
diff --git a/Plain Craft Launcher 2/Pages/PageTools/PageToolsTest.xaml.vb b/Plain Craft Launcher 2/Pages/PageTools/PageToolsTest.xaml.vb
index d367d6e9e..6ba6c401a 100644
--- a/Plain Craft Launcher 2/Pages/PageTools/PageToolsTest.xaml.vb	
+++ b/Plain Craft Launcher 2/Pages/PageTools/PageToolsTest.xaml.vb	
@@ -324,8 +324,8 @@ Public Class PageToolsTest
 
         '提权部分
         Try
-            NtInterop.SetPrivilege(NtInterop.SePrivilege.SeProfileSingleProcessPrivilege, True)
-            NtInterop.SetPrivilege(NtInterop.SePrivilege.SeIncreaseQuotaPrivilege, True)
+            NtInterop.SetPrivilege(NtInterop.SePrivilege.SeProfileSingleProcessPrivilege, True, False)
+            NtInterop.SetPrivilege(NtInterop.SePrivilege.SeIncreaseQuotaPrivilege, True, False)
         Catch ex As System.ComponentModel.Win32Exception
             Throw New Exception(String.Format("获取内存优化权限失败（错误代码：{0}）", ex.NativeErrorCode))
         End Try
@@ -338,7 +338,6 @@ Public Class PageToolsTest
         Dim NowType = "None"
         Try
             Dim info As Integer
-            Dim scfi As SYSTEM_FILECACHE_INFORMATION
             Dim combineInfoEx As MEMORY_COMBINE_INFORMATION_EX
             Dim _gcHandle As GCHandle
 
@@ -348,13 +347,13 @@ Public Class PageToolsTest
             NtInterop.SetSystemInformation(NtInterop.SystemInformationClass.SystemMemoryListInformation,
                                            _gcHandle.AddrOfPinnedObject(), Marshal.SizeOf(info))
             _gcHandle.Free()
-            NowType = "SystemFileCacheInformation"
-            scfi.MaximumWorkingSet = UInteger.MaxValue
-            scfi.MinimumWorkingSet = UInteger.MaxValue
-            _gcHandle = GCHandle.Alloc(scfi, GCHandleType.Pinned)
-            NtInterop.SetSystemInformation(NtInterop.SystemInformationClass.SystemFileCacheInformationEx,
-                                           _gcHandle.AddrOfPinnedObject(), Marshal.SizeOf(scfi))
-            _gcHandle.Free()
+            'NowType = "SystemFileCacheInformation"
+            'scfi.MaximumWorkingSet = UInteger.MaxValue
+            'scfi.MinimumWorkingSet = UInteger.MaxValue
+            '_gcHandle = GCHandle.Alloc(scfi, GCHandleType.Pinned)
+            'NtInterop.SetSystemInformation(NtInterop.SystemInformationClass.SystemFileCacheInformationEx,
+            '                               _gcHandle.AddrOfPinnedObject(), Marshal.SizeOf(scfi))
+            '_gcHandle.Free()
             NowType = "MemoryFlushModifiedList"
             info = 3
             _gcHandle = GCHandle.Alloc(info, GCHandleType.Pinned)