diff --git a/designer-form/src/main/java/com/fr/design/mainframe/FormDesignerUI.java b/designer-form/src/main/java/com/fr/design/mainframe/FormDesignerUI.java
index 5d9a166a1..5cc2ead91 100644
--- a/designer-form/src/main/java/com/fr/design/mainframe/FormDesignerUI.java
+++ b/designer-form/src/main/java/com/fr/design/mainframe/FormDesignerUI.java
@@ -44,7 +44,6 @@ public class FormDesignerUI extends ComponentUI {
     private FormDesigner designer;
     private SelectionModel selectionModel;
     private Rectangle2D.Double back_or_selection_rect = new Rectangle2D.Double(0, 0, 0, 0);
-    private WatermarkPainter watermarkPainter;
     private float time;
 
     public FormDesignerUI() {
diff --git a/designer-realize/src/main/java/com/fr/grid/GridUI.java b/designer-realize/src/main/java/com/fr/grid/GridUI.java
index 6c5da1630..45d8143c8 100644
--- a/designer-realize/src/main/java/com/fr/grid/GridUI.java
+++ b/designer-realize/src/main/java/com/fr/grid/GridUI.java
@@ -109,7 +109,6 @@ public class GridUI extends ComponentUI {
     protected int resolution;
 
     private boolean isAuthority = false;
-    private WatermarkPainter watermarkPainter;
 
     public GridUI(int resolution) {
         super();
diff --git a/designer-realize/src/main/java/com/fr/poly/PolyDesignUI.java b/designer-realize/src/main/java/com/fr/poly/PolyDesignUI.java
index 33058faf8..ba6f79e71 100644
--- a/designer-realize/src/main/java/com/fr/poly/PolyDesignUI.java
+++ b/designer-realize/src/main/java/com/fr/poly/PolyDesignUI.java
@@ -55,7 +55,6 @@ public class PolyDesignUI extends ComponentUI {
     private PolyDesigner designer;
     private int resolution;
 	private float time;
-    private WatermarkPainter watermarkPainter;
 
     public PolyDesignUI(int resolution) {
         if (resolution == 0){