fix.继续修ci，ci怎么天天炸

.github/workflows/build.yml

@@ -32,6 +32,7 @@ jobs:
         uses: actions/setup-dotnet@v4
         with:
           dotnet-version: ${{ env.DOTNET_VERSION }}
+          dotnet-quality: 'preview'
 
       - name: Restore
         run: dotnet restore ${{ env.Solution_Name }}
@@ -66,12 +67,15 @@ jobs:
             libx11-6 libxrandr2 libxinerama1 \
             libxi6 libxcursor1 libxext6 \
             libxrender1 libxkbcommon-x11-0 \
-            clang zlib1g-dev
+            clang zlib1g-dev \
+            libportaudio2 libasound2 \
+            libwebkit2gtk-4.1-dev
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
           dotnet-version: ${{ env.DOTNET_VERSION }}
+          dotnet-quality: 'preview'
 
       - name: Restore
         run: dotnet restore ${{ env.Solution_Name }}
@@ -98,10 +102,14 @@ jobs:
           fetch-depth: 0
           submodules: recursive
 
+      - name: Install dependencies
+        run: brew install portaudio
+
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
           dotnet-version: ${{ env.DOTNET_VERSION }}
+          dotnet-quality: 'preview'
 
       - name: Restore
         run: dotnet restore ${{ env.Solution_Name }}
@@ -132,6 +140,7 @@ jobs:
         uses: actions/setup-dotnet@v4
         with:
           dotnet-version: ${{ env.DOTNET_VERSION }}
+          dotnet-quality: 'preview'
 
       - name: Pack SDK and template packages
         shell: pwsh

.github/workflows/code-quality.yml

@@ -31,6 +31,7 @@ jobs:
         uses: actions/setup-dotnet@v4
         with:
           dotnet-version: ${{ env.DOTNET_VERSION }}
+          dotnet-quality: 'preview'
 
       - name: Restore
         run: dotnet restore ${{ env.Solution_Name }}

.github/workflows/release.yml

@@ -88,6 +88,7 @@ jobs:
         uses: actions/setup-dotnet@v4
         with:
           dotnet-version: ${{ env.DOTNET_VERSION }}
+          dotnet-quality: 'preview'
 
       - name: Restore
         run: dotnet restore ${{ env.Solution_Name }}
@@ -515,12 +516,15 @@ jobs:
             libx11-6 libxrandr2 libxinerama1 \
             libxi6 libxcursor1 libxext6 \
             libxrender1 libxkbcommon-x11-0 \
-            clang zlib1g-dev
+            clang zlib1g-dev \
+            libportaudio2 libasound2 \
+            libwebkit2gtk-4.1-dev
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
           dotnet-version: ${{ env.DOTNET_VERSION }}
+          dotnet-quality: 'preview'
 
       - name: Restore
         run: dotnet restore ${{ env.Solution_Name }}
@@ -707,10 +711,14 @@ jobs:
           submodules: recursive
           ref: ${{ needs.prepare.outputs.checkout_ref }}
 
+      - name: Install dependencies
+        run: brew install portaudio
+
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
           dotnet-version: ${{ env.DOTNET_VERSION }}
+          dotnet-quality: 'preview'
 
       - name: Restore
         run: dotnet restore ${{ env.Solution_Name }}

LanMountainDesktop.Launcher/AppJsonContext.cs

@@ -0,0 +1,23 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using LanMountainDesktop.Launcher.Models;
+using LanMountainDesktop.Launcher.Services;
+using LanMountainDesktop.Shared.Contracts.Launcher;
+
+namespace LanMountainDesktop.Launcher;
+
+[JsonSourceGenerationOptions(WriteIndented = true, PropertyNamingPolicy = JsonKnownNamingPolicy.CamelCase)]
+[JsonSerializable(typeof(SignedFileMap))]
+[JsonSerializable(typeof(UpdateFileEntry))]
+[JsonSerializable(typeof(SnapshotMetadata))]
+[JsonSerializable(typeof(AppVersionInfo))]
+[JsonSerializable(typeof(StartupProgressMessage))]
+[JsonSerializable(typeof(LauncherResult))]
+[JsonSerializable(typeof(HostDiscoveryConfig))]
+[JsonSerializable(typeof(PluginManifest))]
+[JsonSerializable(typeof(PendingUpgrade))]
+[JsonSerializable(typeof(List<PendingUpgrade>))]
+[JsonSerializable(typeof(GitHubRelease))]
+[JsonSerializable(typeof(GitHubAsset))]
+[JsonSerializable(typeof(List<GitHubRelease>))]
+internal sealed partial class AppJsonContext : JsonSerializerContext;

LanMountainDesktop.Launcher/LanMountainDesktop.Launcher.AOT.props

@@ -56,7 +56,11 @@
     <!-- 允许 IL 警告 -->
     <TrimmerSingleWarn>false</TrimmerSingleWarn>
     
-    <!-- FluentAvaloniaUI 需要：启用反射序列化（AOT 兼容模式） -->
-    <JsonSerializerIsReflectionEnabledByDefault>true</JsonSerializerIsReflectionEnabledByDefault>
+    <!-- AOT 模式下禁用反射式 JSON 序列化，强制使用 Source Generator -->
+    <!-- 之前设置为 true 与 AOT 矛盾，导致 IL2026/IL3050 警告和运行时失败 -->
+    <JsonSerializerIsReflectionEnabledByDefault>false</JsonSerializerIsReflectionEnabledByDefault>
+    
+    <!-- 启用 ISerializable 支持（部分库需要） -->
+    <IsAotCompatible>true</IsAotCompatible>
   </PropertyGroup>
 </Project>

LanMountainDesktop.Launcher/Services/Commands.cs

@@ -149,10 +149,7 @@ internal static class Commands
             Directory.CreateDirectory(dir);
         }
 
-        var json = JsonSerializer.Serialize(result, new JsonSerializerOptions
-        {
-            WriteIndented = true
-        });
+        var json = JsonSerializer.Serialize(result, AppJsonContext.Default.LauncherResult);
         await File.WriteAllTextAsync(fullPath, json, Encoding.UTF8).ConfigureAwait(false);
     }
 

LanMountainDesktop.Launcher/Services/DeploymentLocator.cs

@@ -322,7 +322,7 @@ internal sealed class DeploymentLocator
                         try
                         {
                             var json = File.ReadAllText(snapshotFile);
-                            var snapshot = System.Text.Json.JsonSerializer.Deserialize<SnapshotMetadata>(json);
+                            var snapshot = System.Text.Json.JsonSerializer.Deserialize(json, AppJsonContext.Default.SnapshotMetadata);
                             if (snapshot != null && !string.IsNullOrEmpty(snapshot.SourceDirectory))
                             {
                                 if (Directory.Exists(snapshot.SourceDirectory))
@@ -445,7 +445,7 @@ internal sealed class DeploymentLocator
                 try
                 {
                     var json = File.ReadAllText(versionFile);
-                    var info = JsonSerializer.Deserialize<AppVersionInfo>(json);
+                    var info = JsonSerializer.Deserialize(json, AppJsonContext.Default.AppVersionInfo);
                     if (info is not null)
                     {
                         return info;

LanMountainDesktop.Launcher/Services/FlexibleHostLocator.cs

@@ -159,7 +159,7 @@ namespace LanMountainDesktop.Launcher.Services;
         try
         {
             var json = File.ReadAllText(configPath);
-            var config = JsonSerializer.Deserialize<HostDiscoveryConfig>(json);
+            var config = JsonSerializer.Deserialize(json, AppJsonContext.Default.HostDiscoveryConfig);
             if (config?.HostPath != null && File.Exists(config.HostPath))
             {
                 return config.HostPath;
@@ -617,13 +617,13 @@ namespace LanMountainDesktop.Launcher.Services;
         public required string AppRoot { get; set; }
         public required HostDiscoveryOptions Options { get; set; }
     }
-
-    /// <summary>
-    /// 发现配置文件
-    /// </summary>
-    private class HostDiscoveryConfig
-    {
-        public string? HostPath { get; set; }
-        public List<string>? AdditionalPaths { get; set; }
-    }
+}
+
+/// <summary>
+/// 发现配置文件
+/// </summary>
+internal class HostDiscoveryConfig
+{
+    public string? HostPath { get; set; }
+    public List<string>? AdditionalPaths { get; set; }
 }

LanMountainDesktop.Launcher/Services/Ipc/LauncherIpcServer.cs

@@ -143,7 +143,7 @@ public class LauncherIpcServer : IDisposable
 
                     // 3. 反序列化并回调
                     var json = System.Text.Encoding.UTF8.GetString(payloadBuffer, 0, payloadLength);
-                    var message = JsonSerializer.Deserialize<StartupProgressMessage>(json);
+                    var message = JsonSerializer.Deserialize(json, AppJsonContext.Default.StartupProgressMessage);
                     if (message is not null)
                     {
                         _onProgress(message);

LanMountainDesktop.Launcher/Services/LauncherFlowCoordinator.cs

@@ -9,6 +9,15 @@ namespace LanMountainDesktop.Launcher.Services;
 
 internal sealed class LauncherFlowCoordinator
 {
+    private static readonly string[] LauncherOnlyOptions =
+    [
+        "debug", "show-loading-details", "plugins-dir", "source", "result",
+        LauncherIpcConstants.LauncherPidEnvVar,
+        LauncherIpcConstants.PackageRootEnvVar,
+        LauncherIpcConstants.VersionEnvVar,
+        LauncherIpcConstants.CodenameEnvVar
+    ];
+
     private readonly CommandContext _context;
     private readonly DeploymentLocator _deploymentLocator;
     private readonly OobeStateService _oobeStateService;
@@ -167,11 +176,11 @@ internal sealed class LauncherFlowCoordinator
                     var processExitTask = hostProcess.WaitForExitAsync();
                     
                     // 等待主程序就绪或进程退出（取先发生者）
-                    // 延长超时到 120 秒，给主程序足够的加载时间
+                    // 30 秒超时，宿主端有 10 秒兜底机制确保 Ready 信号发送
                     var readyOrTimeoutOrExit = Task.WhenAny(
                         hostReadyTcs.Task,
                         processExitTask,
-                        Task.Delay(TimeSpan.FromSeconds(120)));
+                        Task.Delay(TimeSpan.FromSeconds(30)));
                     
                     var completedTask = await readyOrTimeoutOrExit;
                     
@@ -315,32 +324,55 @@ internal sealed class LauncherFlowCoordinator
             EnsureExecutable(hostPath);
         }
 
+        var hostWorkingDir = Path.GetDirectoryName(hostPath) ?? _deploymentLocator.GetAppRoot();
+        var versionInfo = _deploymentLocator.GetVersionInfo();
+
+        // 构建命令行参数：转发用户参数 + IPC 环境信息通过命令行传递
+        // UseShellExecute = true 确保 Shell 启动子进程，使其正确关联到交互式桌面窗口站(WinSta0)，
+        // 避免子进程窗口创建成功但不可见的问题。
+        var arguments = new System.Text.StringBuilder();
+
+        // 转发命令行参数给主程序（排除 Launcher 自己的命令和选项）
+        // 只过滤 Launcher 专属的选项，保留宿主程序需要的参数（如 --restart-parent-pid）
+        foreach (var arg in _context.RawArgs)
+        {
+            if (arg == _context.Command || arg == _context.SubCommand)
+                continue;
+            
+            if (arg.StartsWith("--"))
+            {
+                var key = arg[2..];
+                var equalsIndex = key.IndexOf('=');
+                if (equalsIndex >= 0) key = key[..equalsIndex];
+                
+                if (LauncherOnlyOptions.Contains(key, StringComparer.OrdinalIgnoreCase))
+                    continue;
+            }
+            
+            if (arguments.Length > 0) arguments.Append(' ');
+            arguments.Append(QuoteArgument(arg));
+        }
+
+        // 通过命令行参数传递 IPC 连接信息（UseShellExecute=true 时不支持 EnvironmentVariables）
+        if (arguments.Length > 0) arguments.Append(' ');
+        arguments.Append($"--{LauncherIpcConstants.LauncherPidEnvVar}={Environment.ProcessId}");
+        arguments.Append($" --{LauncherIpcConstants.PackageRootEnvVar}={QuoteArgument(_deploymentLocator.GetAppRoot())}");
+        arguments.Append($" --{LauncherIpcConstants.VersionEnvVar}={versionInfo.Version}");
+        arguments.Append($" --{LauncherIpcConstants.CodenameEnvVar}={versionInfo.Codename}");
+
         var processStartInfo = new ProcessStartInfo
         {
             FileName = hostPath,
-            UseShellExecute = false,
-            WorkingDirectory = Path.GetDirectoryName(hostPath) ?? _deploymentLocator.GetAppRoot()
+            UseShellExecute = true,
+            WorkingDirectory = hostWorkingDir,
+            Arguments = arguments.ToString()
         };
 
-        // 转发命令行参数给主程序（排除 Launcher 自己的命令和选项）
-        foreach (var arg in _context.RawArgs)
-        {
-            // 跳过 Launcher 自己的命令和选项，只传递用户原始参数
-            if (arg == _context.Command || arg == _context.SubCommand || arg.StartsWith("--"))
-            {
-                continue;
-            }
-            processStartInfo.ArgumentList.Add(arg);
-        }
-
-        // 传递环境变量供 IPC 使用
+        // 同时设置环境变量作为备选（当 UseShellExecute=true 时 EnvironmentVariables 仍会被子进程继承）
         processStartInfo.EnvironmentVariables[LauncherIpcConstants.LauncherPidEnvVar] = 
             Environment.ProcessId.ToString();
         processStartInfo.EnvironmentVariables[LauncherIpcConstants.PackageRootEnvVar] = 
             _deploymentLocator.GetAppRoot();
-        
-        // 传递版本信息
-        var versionInfo = _deploymentLocator.GetVersionInfo();
         processStartInfo.EnvironmentVariables[LauncherIpcConstants.VersionEnvVar] = versionInfo.Version;
         processStartInfo.EnvironmentVariables[LauncherIpcConstants.CodenameEnvVar] = versionInfo.Codename;
 
@@ -483,6 +515,36 @@ internal sealed class LauncherFlowCoordinator
         return result;
     }
 
+    private static string QuoteArgument(string value)
+    {
+        if (string.IsNullOrEmpty(value))
+        {
+            return "\"\"";
+        }
+
+        if (!value.Contains('"') && !value.Contains(' ') && !value.Contains('\t'))
+        {
+            return value;
+        }
+
+        var builder = new System.Text.StringBuilder();
+        builder.Append('"');
+        foreach (var ch in value)
+        {
+            if (ch == '"')
+            {
+                builder.Append("\\\"");
+            }
+            else
+            {
+                builder.Append(ch);
+            }
+        }
+
+        builder.Append('"');
+        return builder.ToString();
+    }
+
     private static void EnsureExecutable(string path)
     {
         if (OperatingSystem.IsWindows())

LanMountainDesktop.Launcher/Services/PluginInstallerService.cs

@@ -73,7 +73,7 @@ internal sealed class PluginInstallerService
         using var stream = entries[0].Open();
         using var reader = new StreamReader(stream);
         var json = reader.ReadToEnd();
-        var manifest = JsonSerializer.Deserialize<PluginManifest>(json);
+        var manifest = JsonSerializer.Deserialize(json, AppJsonContext.Default.PluginManifest);
         if (manifest == null)
         {
             throw new InvalidOperationException($"Failed to deserialize manifest from '{packagePath}'.");

LanMountainDesktop.Launcher/Services/PluginUpgradeQueueService.cs

@@ -29,7 +29,7 @@ internal sealed class PluginUpgradeQueueService
         }
 
         var text = File.ReadAllText(pendingPath);
-        var pending = JsonSerializer.Deserialize<List<PendingUpgrade>>(text) ?? [];
+        var pending = JsonSerializer.Deserialize(text, AppJsonContext.Default.ListPendingUpgrade) ?? [];
         var failures = new List<string>();
         var succeeded = new List<PendingUpgrade>();
 
@@ -63,10 +63,7 @@ internal sealed class PluginUpgradeQueueService
         }
         else
         {
-            File.WriteAllText(pendingPath, JsonSerializer.Serialize(remaining, new JsonSerializerOptions
-            {
-                WriteIndented = true
-            }));
+            File.WriteAllText(pendingPath, JsonSerializer.Serialize(remaining, AppJsonContext.Default.ListPendingUpgrade));
         }
 
         return new LauncherResult
@@ -79,19 +76,19 @@ internal sealed class PluginUpgradeQueueService
                 : $"Applied {succeeded.Count} upgrades, failed: {string.Join(", ", failures)}."
         };
     }
+}
 
-    private sealed record PendingUpgrade(
-        string PluginId,
-        string SourcePackagePath,
-        string TargetVersion,
-        DateTimeOffset CreatedAt)
+internal sealed record PendingUpgrade(
+    string PluginId,
+    string SourcePackagePath,
+    string TargetVersion,
+    DateTimeOffset CreatedAt)
+{
+    public bool IsValid()
     {
-        public bool IsValid()
-        {
-            return !string.IsNullOrWhiteSpace(PluginId) &&
-                   !string.IsNullOrWhiteSpace(SourcePackagePath) &&
-                   !string.IsNullOrWhiteSpace(TargetVersion) &&
-                   File.Exists(SourcePackagePath);
-        }
+        return !string.IsNullOrWhiteSpace(PluginId) &&
+               !string.IsNullOrWhiteSpace(SourcePackagePath) &&
+               !string.IsNullOrWhiteSpace(TargetVersion) &&
+               File.Exists(SourcePackagePath);
     }
 }

LanMountainDesktop.Launcher/Services/UpdateCheckService.cs

@@ -15,7 +15,6 @@ internal sealed class UpdateCheckService
     private readonly string _repoOwner;
     private readonly string _repoName;
     private readonly HttpClient _httpClient;
-    private readonly JsonSerializerOptions _jsonOptions;
 
     public UpdateCheckService(string repoOwner, string repoName)
     {
@@ -24,12 +23,6 @@ internal sealed class UpdateCheckService
         _httpClient = new HttpClient();
         _httpClient.DefaultRequestHeaders.Add("User-Agent", "LanMountainDesktop-Launcher");
         _httpClient.DefaultRequestHeaders.Add("Accept", "application/vnd.github+json");
-
-        _jsonOptions = new JsonSerializerOptions
-        {
-            PropertyNameCaseInsensitive = true,
-            PropertyNamingPolicy = JsonNamingPolicy.SnakeCaseLower
-        };
     }
 
     /// <summary>
@@ -97,7 +90,7 @@ internal sealed class UpdateCheckService
         response.EnsureSuccessStatusCode();
 
         var json = await response.Content.ReadAsStringAsync(cancellationToken);
-        var releases = JsonSerializer.Deserialize<List<GitHubRelease>>(json, _jsonOptions);
+        var releases = JsonSerializer.Deserialize(json, AppJsonContext.Default.ListGitHubRelease);
 
         return releases?.Select(r => new ReleaseInfo
         {
@@ -131,38 +124,38 @@ internal sealed class UpdateCheckService
         var cleaned = ParseVersionString(versionString);
         return Version.TryParse(cleaned, out var version) ? version : new Version(0, 0, 0);
     }
-
-    // GitHub API 响应模型
-    private sealed class GitHubRelease
-    {
-        [JsonPropertyName("tag_name")]
-        public string? TagName { get; set; }
-
-        [JsonPropertyName("name")]
-        public string? Name { get; set; }
-
-        [JsonPropertyName("prerelease")]
-        public bool Prerelease { get; set; }
-
-        [JsonPropertyName("published_at")]
-        public DateTime PublishedAt { get; set; }
-
-        [JsonPropertyName("body")]
-        public string? Body { get; set; }
-
-        [JsonPropertyName("assets")]
-        public List<GitHubAsset>? Assets { get; set; }
-    }
-
-    private sealed class GitHubAsset
-    {
-        [JsonPropertyName("name")]
-        public string? Name { get; set; }
-
-        [JsonPropertyName("browser_download_url")]
-        public string? BrowserDownloadUrl { get; set; }
-
-        [JsonPropertyName("size")]
-        public long Size { get; set; }
-    }
+}
+
+// GitHub API 响应模型
+internal sealed class GitHubRelease
+{
+    [JsonPropertyName("tag_name")]
+    public string? TagName { get; set; }
+
+    [JsonPropertyName("name")]
+    public string? Name { get; set; }
+
+    [JsonPropertyName("prerelease")]
+    public bool Prerelease { get; set; }
+
+    [JsonPropertyName("published_at")]
+    public DateTime PublishedAt { get; set; }
+
+    [JsonPropertyName("body")]
+    public string? Body { get; set; }
+
+    [JsonPropertyName("assets")]
+    public List<GitHubAsset>? Assets { get; set; }
+}
+
+internal sealed class GitHubAsset
+{
+    [JsonPropertyName("name")]
+    public string? Name { get; set; }
+
+    [JsonPropertyName("browser_download_url")]
+    public string? BrowserDownloadUrl { get; set; }
+
+    [JsonPropertyName("size")]
+    public long Size { get; set; }
 }

LanMountainDesktop.Launcher/Services/UpdateEngineService.cs

@@ -48,7 +48,7 @@ internal sealed class UpdateEngineService
         }
 
         var fileMapText = File.ReadAllText(fileMapPath);
-        var fileMap = JsonSerializer.Deserialize<SignedFileMap>(fileMapText);
+        var fileMap = JsonSerializer.Deserialize(fileMapText, AppJsonContext.Default.SignedFileMap);
         if (fileMap is null)
         {
             return Failed("update.check", "invalid_manifest", "files.json is invalid.");
@@ -137,7 +137,7 @@ internal sealed class UpdateEngineService
         }
 
         var fileMapText = await File.ReadAllTextAsync(fileMapPath);
-        var fileMap = JsonSerializer.Deserialize<SignedFileMap>(fileMapText);
+        var fileMap = JsonSerializer.Deserialize(fileMapText, AppJsonContext.Default.SignedFileMap);
         if (fileMap is null || fileMap.Files.Count == 0)
         {
             return Failed("update.apply", "invalid_manifest", "No update file entries were found.");
@@ -438,7 +438,7 @@ internal sealed class UpdateEngineService
             return Failed("update.rollback", "no_snapshot", "No snapshot found.");
         }
 
-        var snapshot = JsonSerializer.Deserialize<SnapshotMetadata>(File.ReadAllText(snapshotPath));
+        var snapshot = JsonSerializer.Deserialize(File.ReadAllText(snapshotPath), AppJsonContext.Default.SnapshotMetadata);
         if (snapshot is null || string.IsNullOrWhiteSpace(snapshot.SourceDirectory))
         {
             return Failed("update.rollback", "invalid_snapshot", "Invalid snapshot metadata.");
@@ -656,10 +656,7 @@ internal sealed class UpdateEngineService
 
     private static void SaveSnapshot(string path, SnapshotMetadata snapshot)
     {
-        File.WriteAllText(path, JsonSerializer.Serialize(snapshot, new JsonSerializerOptions
-        {
-            WriteIndented = true
-        }));
+        File.WriteAllText(path, JsonSerializer.Serialize(snapshot, AppJsonContext.Default.SnapshotMetadata));
     }
 
     private static LauncherResult Failed(string stage, string code, string message)

LanMountainDesktop/App.axaml.cs

@@ -142,7 +142,7 @@ public partial class App : Application
         EnsureNotificationService();
     }
 
-    public override async void OnFrameworkInitializationCompleted()
+    public override void OnFrameworkInitializationCompleted()
     {
         if (Design.IsDesignMode)
         {
@@ -152,12 +152,8 @@ public partial class App : Application
 
         AppLogger.Info("App", "Framework initialization completed.");
         
-        // 初始化 Launcher IPC 客户端（如果从 Launcher 启动）
-        await InitializeLauncherIpcAsync();
-        
         RegisterUiUnhandledExceptionGuard();
         LinuxDesktopEntryInstaller.EnsureInstalled();
-        ReportStartupProgress(StartupStage.LoadingSettings, 20, "正在加载设置...");
         DesktopBootstrap.InitializeApplication(this, InitializeDesktopShell);
 
         if (!Design.IsDesignMode && OperatingSystem.IsWindows())
@@ -166,6 +162,10 @@ public partial class App : Application
         }
 
         base.OnFrameworkInitializationCompleted();
+        
+        // IPC 初始化移到窗口创建之后，避免 async void 中的 await 导致窗口创建延迟
+        // 使用 fire-and-forget 模式，不阻塞主流程
+        _ = InitializeLauncherIpcAsync();
     }
     
     private async Task InitializeLauncherIpcAsync()
@@ -189,9 +189,10 @@ public partial class App : Application
                 
                 // 注册系统初始化加载项
                 _loadingStateManager.RegisterItem("system.init", LoadingItemType.System, "系统初始化", "初始化系统核心组件");
-                _loadingStateManager.StartItem("system.init", "正在连接启动器...");
+                _loadingStateManager.StartItem("system.init", "已连接启动器");
                 
                 ReportStartupProgress(StartupStage.Initializing, 10, "正在初始化...");
+                ReportStartupProgress(StartupStage.LoadingSettings, 20, "正在加载设置...");
             }
         }
         catch (Exception ex)
@@ -227,7 +228,7 @@ public partial class App : Application
     }
 
     /// <summary>
-    /// 同步向 Launcher 报告启动进度，确保关键消息可靠送达
+    /// 向 Launcher 报告关键启动进度，使用后台线程避免阻塞 UI
     /// 用于 Ready 等关键状态报告
     /// </summary>
     private void ReportStartupProgressSync(StartupStage stage, int percent, string message)
@@ -237,27 +238,27 @@ public partial class App : Application
 
         try
         {
-            // 使用同步等待确保消息发送完成
-            var task = _launcherIpcClient.ReportProgressAsync(new StartupProgressMessage
+            _ = Task.Run(async () =>
             {
-                Stage = stage,
-                ProgressPercent = percent,
-                Message = message
+                try
+                {
+                    await _launcherIpcClient.ReportProgressAsync(new StartupProgressMessage
+                    {
+                        Stage = stage,
+                        ProgressPercent = percent,
+                        Message = message
+                    });
+                    AppLogger.Info("LauncherIpc", $"Successfully reported stage: {stage}");
+                }
+                catch (Exception ex)
+                {
+                    AppLogger.Warn("LauncherIpc", $"Failed to report progress: {ex.Message}");
+                }
             });
-            
-            // 等待最多 5 秒，确保消息发送成功
-            if (!task.Wait(TimeSpan.FromSeconds(5)))
-            {
-                AppLogger.Warn("LauncherIpc", "Report progress timeout after 5 seconds");
-            }
-            else
-            {
-                AppLogger.Info("LauncherIpc", $"Successfully reported stage: {stage}");
-            }
         }
         catch (Exception ex)
         {
-            AppLogger.Warn("LauncherIpc", $"Failed to report progress synchronously: {ex.Message}");
+            AppLogger.Warn("LauncherIpc", $"Failed to launch progress report task: {ex.Message}");
         }
     }
 
@@ -980,6 +981,27 @@ public partial class App : Application
         // 使用 Opened 事件确保所有资源已加载完毕
         mainWindow.Opened += OnMainWindowOpened;
         
+        // 兜底机制：如果 Opened 事件 10 秒内未触发，强制发送 Ready 信号
+        // 防止因渲染问题导致 Opened 不触发，启动器 Splash 窗口一直显示
+        _ = Task.Run(async () =>
+        {
+            await Task.Delay(TimeSpan.FromSeconds(10));
+            if (_launcherIpcClient is not null && _launcherIpcClient.IsConnected)
+            {
+                try
+                {
+                    await _launcherIpcClient.ReportProgressAsync(new StartupProgressMessage
+                    {
+                        Stage = StartupStage.Ready,
+                        ProgressPercent = 100,
+                        Message = "就绪"
+                    });
+                    AppLogger.Warn("App", "Ready signal sent via fallback (Opened event did not fire within 10s)");
+                }
+                catch { }
+            }
+        });
+        
         return mainWindow;
     }
 

LanMountainDesktop/Services/AppRestartService.cs

@@ -100,12 +100,15 @@ public static class AppRestartService
         var startInfo = new ProcessStartInfo
         {
             FileName = executablePath,
-            UseShellExecute = false,
+            UseShellExecute = true,
             WorkingDirectory = ResolveWorkingDirectory(executablePath, entryAssemblyPath)
         };
 
-        AppendArguments(startInfo, commandLineArgs);
-        AppendRestartParentProcessArgument(startInfo);
+        // UseShellExecute=true 时使用 Arguments 字符串而非 ArgumentList
+        var args = new System.Text.StringBuilder();
+        AppendArgumentsToString(args, commandLineArgs);
+        AppendRestartParentProcessArgumentToString(args);
+        startInfo.Arguments = args.ToString();
         return startInfo;
     }
 
@@ -122,13 +125,16 @@ public static class AppRestartService
         var startInfo = new ProcessStartInfo
         {
             FileName = dotnetHostPath,
-            UseShellExecute = false,
+            UseShellExecute = true,
             WorkingDirectory = ResolveWorkingDirectory(dotnetHostPath, entryAssemblyPath)
         };
 
-        startInfo.ArgumentList.Add(entryAssemblyPath);
-        AppendArguments(startInfo, commandLineArgs);
-        AppendRestartParentProcessArgument(startInfo);
+        // UseShellExecute=true 时使用 Arguments 字符串
+        var args = new System.Text.StringBuilder();
+        args.Append(QuoteArgument(entryAssemblyPath));
+        AppendArgumentsToString(args, commandLineArgs);
+        AppendRestartParentProcessArgumentToString(args);
+        startInfo.Arguments = args.ToString();
         return startInfo;
     }
 
@@ -145,11 +151,61 @@ public static class AppRestartService
         }
     }
 
+    private static void AppendArgumentsToString(System.Text.StringBuilder builder, IReadOnlyList<string> commandLineArgs)
+    {
+        for (var i = 1; i < commandLineArgs.Count; i++)
+        {
+            if (TryParseRestartParentProcessId(commandLineArgs[i], out _))
+            {
+                continue;
+            }
+
+            if (builder.Length > 0) builder.Append(' ');
+            builder.Append(QuoteArgument(commandLineArgs[i]));
+        }
+    }
+
     private static void AppendRestartParentProcessArgument(ProcessStartInfo startInfo)
     {
         startInfo.ArgumentList.Add($"{RestartParentPidArgumentPrefix}{Environment.ProcessId}");
     }
 
+    private static void AppendRestartParentProcessArgumentToString(System.Text.StringBuilder builder)
+    {
+        if (builder.Length > 0) builder.Append(' ');
+        builder.Append($"{RestartParentPidArgumentPrefix}{Environment.ProcessId}");
+    }
+
+    private static string QuoteArgument(string value)
+    {
+        if (string.IsNullOrEmpty(value))
+        {
+            return "\"\"";
+        }
+
+        if (!value.Contains('"') && !value.Contains(' ') && !value.Contains('\t'))
+        {
+            return value;
+        }
+
+        var builder = new System.Text.StringBuilder();
+        builder.Append('"');
+        foreach (var ch in value)
+        {
+            if (ch == '"')
+            {
+                builder.Append("\\\"");
+            }
+            else
+            {
+                builder.Append(ch);
+            }
+        }
+
+        builder.Append('"');
+        return builder.ToString();
+    }
+
     private static bool TryParseRestartParentProcessId(string? argument, out int processId)
     {
         processId = 0;

LanMountainDesktop/Services/Launcher/LauncherIpcClient.cs

@@ -17,6 +17,11 @@ public class LauncherIpcClient : IDisposable
     private bool _isConnected;
     private readonly object _writeLock = new();
 
+    /// <summary>
+    /// 是否已连接到 Launcher
+    /// </summary>
+    public bool IsConnected => _isConnected && _pipeClient?.IsConnected == true;
+
     /// <summary>
     /// 协议：每条消息以 4 字节小端 int32 长度前缀开头，后跟 UTF-8 JSON 正文。
     /// </summary>
@@ -92,11 +97,28 @@ public class LauncherIpcClient : IDisposable
 
     /// <summary>
     /// 检查是否从 Launcher 启动
+    /// 优先检查环境变量，回退到命令行参数（UseShellExecute=true 时环境变量仍可继承，
+    /// 命令行参数作为备选确保兼容性）
     /// </summary>
     public static bool IsLaunchedByLauncher()
     {
-        return !string.IsNullOrEmpty(
-            Environment.GetEnvironmentVariable(LauncherIpcConstants.LauncherPidEnvVar));
+        // 优先检查环境变量
+        if (!string.IsNullOrEmpty(
+            Environment.GetEnvironmentVariable(LauncherIpcConstants.LauncherPidEnvVar)))
+        {
+            return true;
+        }
+
+        // 回退到命令行参数检查（格式: --LMD_LAUNCHER_PID=<value>）
+        foreach (var arg in Environment.GetCommandLineArgs())
+        {
+            if (arg.StartsWith($"--{LauncherIpcConstants.LauncherPidEnvVar}=", StringComparison.OrdinalIgnoreCase))
+            {
+                return true;
+            }
+        }
+
+        return false;
     }
 
     public void Dispose()

LanMountainDesktop/Services/Loading/LoadingTimeoutHandler.cs

@@ -1,4 +1,5 @@
 using System.Timers;
+using LanMountainDesktop.Shared.Contracts.Launcher;
 
 namespace LanMountainDesktop.Services.Loading;
 

LanMountainDesktop/app.manifest

@@ -5,13 +5,18 @@
        For more details visit https://learn.microsoft.com/en-us/windows/win32/sbscs/application-manifests -->
   <assemblyIdentity version="1.0.0.0" name="LanMountainDesktop.Desktop"/>
 
+  <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2">
+    <security>
+      <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3">
+        <!-- 明确指定不需要管理员权限，以调用者权限运行 -->
+        <requestedExecutionLevel level="asInvoker" uiAccess="false" />
+      </requestedPrivileges>
+    </security>
+  </trustInfo>
+
   <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
     <application>
-      <!-- A list of the Windows versions that this application has been tested on
-           and is designed to work with. Uncomment the appropriate elements
-           and Windows will automatically select the most compatible environment. -->
-
-      <!-- Windows 10 -->
+      <!-- Windows 10/11 -->
       <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}" />
     </application>
   </compatibility>