无 JIRA 任务，补充注释

designer-base/src/main/java/com/fr/design/components/notification/NotificationDialog.java

@@ -61,8 +61,13 @@ public class NotificationDialog extends JDialog {
     private static final Dimension CONTENT_SIZE = new Dimension(CONTENT_WIDTH, CONTENT_HEIGHT);
     private static final Dimension BUTTON_DIMENSION = new Dimension(68, 20);
     
+    /**
+     * 标记 LABEL， 没有作用
+     */
     private static final UILabel SIGN_LABEL = new UILabel("#");
-    
+    /**
+     * 确认一个 LABEL 的宽高
+     */
     private static final Dimension SIGN_LABEL_DIMENSION = SIGN_LABEL.getPreferredSize();
     
     private NotificationDialogProperties properties;
@@ -187,7 +192,6 @@ public class NotificationDialog extends JDialog {
     
         messageComponents = messageComponents.stream()
                 .peek((component) -> {
-                    int size = component.getFont().getSize();
                     Dimension preferredSize = component.getPreferredSize();
                     double componentWidth = preferredSize.getWidth();
                     double componentHeight = preferredSize.getHeight();