diff --git a/src/Snap.Hutao/Snap.Hutao/App.xaml.cs b/src/Snap.Hutao/Snap.Hutao/App.xaml.cs
index bb79f0d1..6f874831 100644
--- a/src/Snap.Hutao/Snap.Hutao/App.xaml.cs
+++ b/src/Snap.Hutao/Snap.Hutao/App.xaml.cs
@@ -20,7 +20,24 @@ namespace Snap.Hutao;
 [SuppressMessage("", "SH001")]
 public sealed partial class App : Application
 {
+    private const string ConsoleBanner = """
+        ----------------------------------------------------------------
+          _____                         _    _         _                
+         / ____|                       | |  | |       | |               
+        | (___   _ __    __ _  _ __    | |__| | _   _ | |_  __ _   ___  
+         \___ \ | '_ \  / _` || '_ \   |  __  || | | || __|/ _` | / _ \ 
+         ____) || | | || (_| || |_) |_ | |  | || |_| || |_| (_| || (_) |
+        |_____/ |_| |_| \__,_|| .__/(_)|_|  |_| \__,_| \__|\__,_| \___/ 
+                              | |                                       
+                              |_| 
+                              
+        Snap.Hutao is a open source software developed by DGP Studio.
+        Copyright (C) 2022 - 2024 DGP Studio, All Rights Reserved.
+        ----------------------------------------------------------------
+        """;
+
     private const string AppInstanceKey = "main";
+
     private readonly IServiceProvider serviceProvider;
     private readonly IActivation activation;
     private readonly ILogger<App> logger;
@@ -51,6 +68,8 @@ public sealed partial class App : Application
 
             if (firstInstance.IsCurrent)
             {
+                logger.LogInformation(ConsoleBanner);
+
                 // manually invoke
                 activation.NonRedirectToActivate(firstInstance, activatedEventArgs);
                 activation.InitializeWith(firstInstance);
diff --git a/src/Snap.Hutao/Snap.Hutao/Service/Game/Account/RegistryInterop.cs b/src/Snap.Hutao/Snap.Hutao/Service/Game/Account/RegistryInterop.cs
index 636aa7b2..bc145fe9 100644
--- a/src/Snap.Hutao/Snap.Hutao/Service/Game/Account/RegistryInterop.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Service/Game/Account/RegistryInterop.cs
@@ -40,7 +40,9 @@ internal static class RegistryInterop
 
             string base64 = Convert.ToBase64String(target);
             string path = $"HKCU:{GenshinPath}";
-            string command = $"-Command \"$value = [Convert]::FromBase64String('{base64}'); Set-ItemProperty -Path '{path}' -Name '{SdkChineseKey}' -Value $value -Force;\"";
+            string command = $"""
+                -Command "$value = [Convert]::FromBase64String('{base64}'); Set-ItemProperty -Path '{path}' -Name '{SdkChineseKey}' -Value $value -Force;"
+                """;
 
             ProcessStartInfo startInfo = new()
             {
diff --git a/src/Snap.Hutao/Snap.Hutao/Web/Response/KnownReturnCode.cs b/src/Snap.Hutao/Snap.Hutao/Web/Response/KnownReturnCode.cs
index e4f40b43..5c747c8e 100644
--- a/src/Snap.Hutao/Snap.Hutao/Web/Response/KnownReturnCode.cs
+++ b/src/Snap.Hutao/Snap.Hutao/Web/Response/KnownReturnCode.cs
@@ -9,6 +9,11 @@ namespace Snap.Hutao.Web.Response;
 [HighQuality]
 internal enum KnownReturnCode
 {
+    /// <summary>
+    /// 用户不存在
+    /// </summary>
+    UserNotExist = -20001,
+
     /// <summary>
     /// 无效请求
     /// 因战绩功能服务优化升级，V2.10及以下版本将无法正常使用战绩功能，请更新米游社至最新版本再进行使用。