diff --git a/designer-chart/src/main/java/com/fr/design/module/ChartPreFillStylePane.java b/designer-chart/src/main/java/com/fr/design/module/ChartPreFillStylePane.java
index d174340ca..9b821c8b0 100644
--- a/designer-chart/src/main/java/com/fr/design/module/ChartPreFillStylePane.java
+++ b/designer-chart/src/main/java/com/fr/design/module/ChartPreFillStylePane.java
@@ -131,7 +131,7 @@ public class ChartPreFillStylePane extends BasicBeanPane<ChartColorMatching> {
             gradientButton.setSelected(false);
             cardLayout.show(changeColorSetPane, "acc");
 
-            if (colorList.size() > 0) {
+            if (!colorList.isEmpty()) {
                 colorAdjustPane.updateColor(colorList.toArray(new Color[colorList.size()]));
             } else {
                 List<Color> resultList = new ArrayList<>();