diff --git a/doc/source/handycontrol/extend_controls/magnifier/index.md b/doc/source/handycontrol/extend_controls/magnifier/index.md
index e9cd70d1..ffa0aa23 100644
--- a/doc/source/handycontrol/extend_controls/magnifier/index.md
+++ b/doc/source/handycontrol/extend_controls/magnifier/index.md
@@ -1,3 +1,34 @@
 ---
-title: Magnifier
+title: Magnifier 放大镜
 ---
+
+借助 `Magnifier` 可对任意控件局部放大.
+
+```cs
+[TemplatePart(Name = ElementVisualBrush, Type = typeof(VisualBrush))]
+public class Magnifier : AdornerElement
+```
+
+# 属性
+
+|属性|描述|默认值|备注|
+|-|-|-|-|
+|HorizontalOffset|相对鼠标的水平偏移|0||
+|VerticalOffset|相对鼠标的垂直偏移|0||
+|Scale|缩放因子|5.0|||
+
+# 案例
+
+```xml
+<Image Margin="16" hc:Magnifier.Instance="{x:Static hc:Magnifier.Default}" Source="/HandyControlDemo;component/Resources/Img/b1.jpg" Stretch="None"/>
+```
+
+```xml
+<Image Margin="16" Source="/HandyControlDemo;component/Resources/Img/b1.jpg" Stretch="None">
+    <hc:Magnifier.Instance>
+        <hc:Magnifier Scale="6" HorizontalOffset="-16" VerticalOffset="-16"/>
+    </hc:Magnifier.Instance>
+</Image>
+```
+
+![Magnifier](https://raw.githubusercontent.com/HandyOrg/HandyOrgResource/master/HandyControl/Resources/Magnifier.png)
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