diff --git a/designer-chart/src/main/java/com/fr/van/chart/map/designer/type/GisLayerPane.java b/designer-chart/src/main/java/com/fr/van/chart/map/designer/type/GisLayerPane.java
index d7bc40e33..868a41fd4 100644
--- a/designer-chart/src/main/java/com/fr/van/chart/map/designer/type/GisLayerPane.java
+++ b/designer-chart/src/main/java/com/fr/van/chart/map/designer/type/GisLayerPane.java
@@ -65,7 +65,7 @@ public class GisLayerPane extends JPanel implements UIObserver {
     /**
      * fvs的具体类型
      */
-    private String FVS_TEMPLATE_CLASS = "class com.fr.plugin.wysiwyg.report.JDuchamp";
+    private static final String FVS_TEMPLATE_CLASS = "class com.fr.plugin.wysiwyg.report.JDuchamp";
 
     public GisLayerPane() {
         initComps();