diff --git a/src/main/java/org/example/ImageDotMarker.java b/src/main/java/org/example/ImageDotMarker.java
index 690fb51..ae403d3 100644
--- a/src/main/java/org/example/ImageDotMarker.java
+++ b/src/main/java/org/example/ImageDotMarker.java
@@ -32,6 +32,8 @@ public class ImageDotMarker extends JFrame {
         setSize(1200, 800);
         setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
         setLayout(new BorderLayout());
+        // 设置窗口在屏幕中心显示
+        setLocationRelativeTo(null);
 
         // 创建菜单栏
         createMenuBar();