Update Callback2.java

src/main/java/com/rebuild/core/support/Callback2.java

@@ -18,6 +18,5 @@ public interface Callback2 {
      *
      * @param res 可能是任何值，请按需处理
      */
-    default void onComplete(Object res) {
-    }
+    void onComplete(Object res);
 }

src/main/resources/web/assets/css/rb-page.css

@@ -5899,7 +5899,7 @@ div.formula-code {
   background-color: rgba(255, 255, 255, 0.15);
 }
 
-/* v4.2 N */
+/* v4.2 Notification */
 
 .notification-list .list-nodata {
   padding-top: 70px;