diff --git a/designer-chart/src/main/java/com/fr/van/chart/map/designer/style/series/VanChartMapAnchorMarkerPane.java b/designer-chart/src/main/java/com/fr/van/chart/map/designer/style/series/VanChartMapAnchorMarkerPane.java
index 458de4a18..d4c1f477b 100644
--- a/designer-chart/src/main/java/com/fr/van/chart/map/designer/style/series/VanChartMapAnchorMarkerPane.java
+++ b/designer-chart/src/main/java/com/fr/van/chart/map/designer/style/series/VanChartMapAnchorMarkerPane.java
@@ -19,7 +19,7 @@ public class VanChartMapAnchorMarkerPane extends BasicBeanPane<VanChartAttrMarke
     private UISpinner anchorSize;
 
     public VanChartMapAnchorMarkerPane() {
-        anchorSize = new UISpinner(0, Double.MAX_VALUE, 0.1, 12);
+        anchorSize = new UISpinner(0, Double.MAX_VALUE, 0.5, 28);
 
         Component[][] components = new Component[][]{
                 new Component[]{new UILabel(Toolkit.i18nText("Fine-Design_Chart_Size")), anchorSize}