diff --git a/designer-base/src/main/java/com/fine/theme/icon/svg/SvgIcon.java b/designer-base/src/main/java/com/fine/theme/icon/svg/SvgIcon.java
index 37c399e5d4..7e4cb9684f 100644
--- a/designer-base/src/main/java/com/fine/theme/icon/svg/SvgIcon.java
+++ b/designer-base/src/main/java/com/fine/theme/icon/svg/SvgIcon.java
@@ -92,7 +92,7 @@ public class SvgIcon implements DisabledIcon, WhiteIcon, Icon {
         FlatUIUtils.resetRenderingHints(g, oldRenderingHints);
     }
 
-    public Graphics2D grayGraphics(Graphics g) {
+    private Graphics2D grayGraphics(Graphics g) {
         Object grayFilterObj = UIManager.get("Component.grayFilter");
         RGBImageFilter grayFilter = (grayFilterObj instanceof RGBImageFilter)
                 ? (RGBImageFilter) grayFilterObj