diff --git a/DeedyDesigner/Deedy.Wpf/DrawerViewer.cs b/DeedyDesigner/Deedy.Wpf/DrawerViewer.cs
index eaa9b28..3e0d3f6 100644
--- a/DeedyDesigner/Deedy.Wpf/DrawerViewer.cs
+++ b/DeedyDesigner/Deedy.Wpf/DrawerViewer.cs
@@ -60,6 +60,17 @@ namespace Deedy
             }
         }
         /// <summary>
+        /// 注册附属视图；注册前请确保布局属性被正确设置
+        /// </summary>
+        /// <param name="attachedView">要注册的附属视图；注册前请确保布局属性被正确设置</param>
+        /// <param name="dock">在注册的方向</param>
+        /// <returns>当前装饰器对象，方便连续操作；不会创建新的装饰器</returns>
+        public DrawerViewer RegisterAttachedView(UIElement attachedView, Dock? dock)
+        {
+            dock ??= (Dock)(((int)(this._direction ?? Dock.Left) + 2) % 4);
+            return this;
+        }
+        /// <summary>
         /// 在特定「UIElement」上创建「WindowDrawer」蒙层
         /// </summary>
         /// <param name="adornedElement">目标「UIElement」元素</param>