diff --git a/PCL.Core/PCL.Core.csproj b/PCL.Core/PCL.Core.csproj
index efebd8f57..bfe111316 100644
--- a/PCL.Core/PCL.Core.csproj
+++ b/PCL.Core/PCL.Core.csproj
@@ -54,6 +54,7 @@
         <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
         <PackageReference Include="System.Management" Version="10.0.3" />
         <PackageReference Include="System.Security.Cryptography.ProtectedData" Version="10.0.3" />
+        <PackageReference Include="PlainToolkit.CngProtectedData" Version="1.0.0" />
         <!-- 归档文件 -->
         <PackageReference Include="SharpZipLib" Version="1.4.2" />
         <!-- 配置文件和数据库 -->
@@ -100,4 +101,4 @@
         <AdditionalFiles Include="App\IoC\LifecycleState.cs" />
         <ProjectReference Include="..\PCL.Core.SourceGenerators\PCL.Core.SourceGenerators.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false" />
     </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/PCL.Core/Utils/Exts/StringExtension.cs b/PCL.Core/Utils/Exts/StringExtension.cs
index 8082f0746..15de5e0c6 100644
--- a/PCL.Core/Utils/Exts/StringExtension.cs
+++ b/PCL.Core/Utils/Exts/StringExtension.cs
@@ -7,6 +7,7 @@
 using System.Numerics;
 using System.Reflection;
 using System.Runtime.CompilerServices;
+using System.Text;
 using System.Text.RegularExpressions;
 
 namespace PCL.Core.Utils.Exts;
@@ -282,6 +283,20 @@ public int LastIndexOfF(string subStr, bool ignoreCase = false)
 
         public int LastIndexOfF(string subStr, int startIndex, bool ignoreCase = false)
             => str.LastIndexOf(subStr, startIndex, ignoreCase ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal);
+        
+        public byte[] GetBytes(Encoding? encode = null)
+        {
+            encode ??= Encoding.UTF8;
+            return encode.GetBytes(str);
+        }
+    }
+    extension(ReadOnlySpan<char> str){
+    
+        public int GetBytes(Span<byte> destination, Encoding? encode = null)
+        {
+            encode ??= Encoding.UTF8;
+            return encode.GetBytes(str, destination);
+        }
     }
 
     extension(string hex)
diff --git a/PCL.Core/Utils/Secret/EncryptHelper.cs b/PCL.Core/Utils/Secret/EncryptHelper.cs
index bf1a3a390..403dc5e17 100644
--- a/PCL.Core/Utils/Secret/EncryptHelper.cs
+++ b/PCL.Core/Utils/Secret/EncryptHelper.cs
@@ -6,11 +6,16 @@
 using PCL.Core.App;
 using PCL.Core.Utils.Encryption;
 using PCL.Core.Utils.Exts;
+using PlainToolkit.CngProtectedData;
+using DataProtectionScope = System.Security.Cryptography.DataProtectionScope;
+using CngDataProtectionScope = PlainToolkit.CngProtectedData.DataProtectionScope;
+
 
 namespace PCL.Core.Utils.Secret;
 
 public static class EncryptHelper
 {
+    private static readonly byte[] Key = "PCL CE Encryption Key".GetBytes();
     public static (IEncryptionProvider Provider, uint Version) DefaultProvider => _DefaultProvider.Value;
     private static readonly Lazy<(IEncryptionProvider Provider, uint Version)> _DefaultProvider = new(_SelectBestEncryption);
 
@@ -137,8 +142,7 @@ public static bool IsValid(ReadOnlySpan<byte> data)
     #endregion
 
     #region "密钥存储和获取"
-
-    private static readonly byte[] _IdentifyEntropy = Encoding.UTF8.GetBytes("PCL CE Encryption Key");
+    
     internal static byte[] EncryptionKey { get => _EncryptionKey.Value; }
     private static readonly Lazy<byte[]> _EncryptionKey = new(_GetKey);
 
@@ -151,32 +155,31 @@ private static byte[] _GetKey()
             var data = EncryptionData.FromBytes(buf);
             return data.Version switch
             {
-                1 => ProtectedData.Unprotect(data.Data, _IdentifyEntropy, DataProtectionScope.CurrentUser),
+                1 => ProtectedData.Unprotect(data.Data, Key, DataProtectionScope.CurrentUser),
+                2 => CngProtectedData.Unprotect(data.Data, Key, CngDataProtectionScope.CurrentUser),
                 _ => throw new NotSupportedException("Unsupported key version")
             };
         }
-        else
+
+        var randomKey = new byte[32];
+        RandomNumberGenerator.Fill(randomKey);
+        var storeData = EncryptionData.ToBytes(new EncryptionData
         {
-            var randomKey = new byte[32];
-            RandomNumberGenerator.Fill(randomKey);
-            var storeData = EncryptionData.ToBytes(new EncryptionData
-            {
-                Version = 1,
-                Data = ProtectedData.Protect(randomKey, _IdentifyEntropy, DataProtectionScope.CurrentUser)
-            });
+            Version = 2,
+            Data = CngProtectedData.Protect(randomKey, Key, CngDataProtectionScope.CurrentUser)
+        });
 
-            var tmpFile = $"{keyFile}.tmp{RandomUtils.NextInt(10000, 99999)}";
-            using (var fs = new FileStream(tmpFile, FileMode.Create, FileAccess.ReadWrite, FileShare.None))
-            {
-                fs.Write(storeData);
-                fs.Flush(true);
-            }
+        var tmpFile = $"{keyFile}.tmp{RandomUtils.NextInt(10000, 99999)}";
+        using (var fs = new FileStream(tmpFile, FileMode.Create, FileAccess.ReadWrite, FileShare.None))
+        {
+            fs.Write(storeData);
+            fs.Flush(true);
+        }
 
-            File.Move(tmpFile, keyFile, true);
+        File.Move(tmpFile, keyFile, true);
 
-            return randomKey;
-        }
+        return randomKey;
     }
 
     #endregion
-}
\ No newline at end of file
+}