diff --git a/src/Snap.Hutao/Snap.Hutao/Service/Game/RegistryInterop.cs b/src/Snap.Hutao/Snap.Hutao/Service/Game/RegistryInterop.cs
index fa7c7095..97bbd4d5 100644
--- a/src/Snap.Hutao/Snap.Hutao/Service/Game/RegistryInterop.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Service/Game/RegistryInterop.cs
@@ -6,6 +6,7 @@ using Snap.Hutao.Core.ExceptionService;
 using Snap.Hutao.Model.Entity;
 using System.Diagnostics;
 using System.IO;
+using System.Runtime.InteropServices;
 using System.Text;
 
 namespace Snap.Hutao.Service.Game;
@@ -31,8 +32,14 @@ internal static class RegistryInterop
     {
         if (account is not null)
         {
-            string base64 = Convert.ToBase64String(Encoding.UTF8.GetBytes(account.MihoyoSDK));
-            string path = $"HKCU:{GenshinKey[@"HKEY_CURRENT_USER\".Length..]}";
+            // 存回注册表的字节需要 '\0' 结尾
+            Encoding.UTF8.GetByteCount(account.MihoyoSDK);
+            byte[] tempBytes = Encoding.UTF8.GetBytes(account.MihoyoSDK);
+            byte[] target = new byte[tempBytes.Length + 1];
+            tempBytes.CopyTo(target, 0);
+
+            string base64 = Convert.ToBase64String(target);
+            string path = $"HKCU:{GenshinPath}";
             string command = $"""
                 $value = [Convert]::FromBase64String('{base64}');
                 Set-ItemProperty -Path '{path}' -Name '{SdkChineseKey}' -Value $value -Force;
@@ -68,13 +75,18 @@ internal static class RegistryInterop
     /// 在注册表中获取账号信息
     /// </summary>
     /// <returns>当前注册表中的信息</returns>
-    public static string? Get()
+    public static unsafe string? Get()
     {
         object? sdk = Registry.GetValue(GenshinKey, SdkChineseKey, Array.Empty<byte>());
 
         if (sdk is byte[] bytes)
         {
-            return Encoding.UTF8.GetString(bytes);
+            fixed (byte* pByte = bytes)
+            {
+                // 从注册表获取的字节数组带有 '\0' 结尾，需要舍去
+                ReadOnlySpan<byte> span = MemoryMarshal.CreateReadOnlySpanFromNullTerminated(pByte);
+                return Encoding.UTF8.GetString(span);
+            }
         }
 
         return null;