diff --git a/designer-chart/src/main/java/com/fr/van/chart/map/VanChartMapSeriesPane.java b/designer-chart/src/main/java/com/fr/van/chart/map/VanChartMapSeriesPane.java
index db257de3d..29111b4b5 100644
--- a/designer-chart/src/main/java/com/fr/van/chart/map/VanChartMapSeriesPane.java
+++ b/designer-chart/src/main/java/com/fr/van/chart/map/VanChartMapSeriesPane.java
@@ -178,6 +178,10 @@ public class VanChartMapSeriesPane extends VanChartColorValueSeriesPane {
             GUICoreUtils.setEnabled(pointEffectPane, !largeModel);
         }
 
+        if (markerTypeCom == null) {
+            return;
+        }
+
         VanChartMapPlot mapPlot = (VanChartMapPlot) plot;
         refreshMarkerComboboxModel(mapPlot);
         if (largeModel) {