diff --git a/designer-chart/src/main/java/com/fr/design/module/ChartEmptyDataStylePane.java b/designer-chart/src/main/java/com/fr/design/module/ChartEmptyDataStylePane.java
index b4d1100d9f..e73bae010e 100644
--- a/designer-chart/src/main/java/com/fr/design/module/ChartEmptyDataStylePane.java
+++ b/designer-chart/src/main/java/com/fr/design/module/ChartEmptyDataStylePane.java
@@ -21,8 +21,18 @@ import com.fr.stable.Constants;
 import com.fr.stable.CoreGraphHelper;
 import com.fr.stable.StringUtils;
 
-import javax.swing.*;
-import java.awt.*;
+import javax.swing.BorderFactory;
+import javax.swing.ButtonGroup;
+import javax.swing.JFileChooser;
+import javax.swing.JPanel;
+import javax.swing.JScrollPane;
+import javax.swing.SwingWorker;
+import java.awt.BorderLayout;
+import java.awt.Component;
+import java.awt.Dimension;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+import java.awt.Image;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.awt.image.BufferedImage;