试试

LanMountainDesktop.Launcher/Views/SplashWindow.axaml.cs

@@ -1,12 +1,48 @@
 using Avalonia.Controls;
 using Avalonia.Markup.Xaml;
+using LanMountainDesktop.Launcher.Services;
 
 namespace LanMountainDesktop.Launcher.Views;
 
-internal partial class SplashWindow : Window
+internal partial class SplashWindow : Window, ISplashStageReporter
 {
+    private static readonly (string Stage, string Label, double Progress)[] StageMap =
+    [
+        ("bootstrap", "正在初始化...", 10),
+        ("silentUpdate", "正在应用更新...", 35),
+        ("pluginTasks", "正在处理插件...", 65),
+        ("launchHost", "正在启动...", 90),
+    ];
+
     public SplashWindow()
     {
         AvaloniaXamlLoader.Load(this);
     }
+
+    public void Report(string stage, string message)
+    {
+        var (label, progress) = ResolveStageInfo(stage);
+
+        var stageText = this.GetControl<TextBlock>("StageText");
+        var detailText = this.GetControl<TextBlock>("DetailText");
+        var progressIndicator = this.GetControl<ProgressBar>("ProgressIndicator");
+
+        stageText.Text = label;
+        detailText.Text = message;
+        progressIndicator.IsIndeterminate = false;
+        progressIndicator.Value = progress;
+    }
+
+    private static (string Label, double Progress) ResolveStageInfo(string stage)
+    {
+        foreach (var (s, label, progress) in StageMap)
+        {
+            if (string.Equals(s, stage, StringComparison.OrdinalIgnoreCase))
+            {
+                return (label, progress);
+            }
+        }
+
+        return (stage, 0);
+    }
 }