更新

AntdWpfDemo/ViewModels/ShellViewModel.cs

@@ -0,0 +1,17 @@
+using Caliburn.Micro;
+
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+
+namespace AntdWpfDemo.ViewModels
+{
+    [Export(typeof(IShell))]
+    internal class ShellViewModel : Conductor<IScreen>.Collection.OneActive
+    {
+        [ImportingConstructor]
+        protected ShellViewModel([ImportMany] IEnumerable<IScreen> screens)
+        {
+            Items.AddRange(screens);
+        }
+    }
+}