diff --git a/designer-base/src/main/java/com/fr/design/mainframe/loghandler/LogMessageBar.java b/designer-base/src/main/java/com/fr/design/mainframe/loghandler/LogMessageBar.java
index 3b05937087..54bb4addc3 100644
--- a/designer-base/src/main/java/com/fr/design/mainframe/loghandler/LogMessageBar.java
+++ b/designer-base/src/main/java/com/fr/design/mainframe/loghandler/LogMessageBar.java
@@ -14,7 +14,7 @@ import java.awt.event.MouseEvent;
 public class LogMessageBar extends JPanel {
 	private UILabel messageLabel;
     private int width = 600;
-	public static volatile LogMessageBar THIS;
+	private static volatile LogMessageBar THIS;
 	private JFrame dlg = new LogDetailPane().showDialog();
 
 	public static LogMessageBar getInstance() {