diff --git a/example/ios/example/AppDelegate.mm b/example/ios/example/AppDelegate.mm
index a777d17..5c19260 100644
--- a/example/ios/example/AppDelegate.mm
+++ b/example/ios/example/AppDelegate.mm
@@ -122,6 +122,13 @@ - (void)networkDidReceiveMessage:(NSNotification *)notification {
   NSDictionary * userInfo = [notification userInfo];
   [[NSNotificationCenter defaultCenter] postNotificationName:J_CUSTOM_NOTIFICATION_EVENT object:userInfo];
 }
+// 如果是 AppDelegate.swift 使用如下代码
+// @objc
+// func networkDidReceiveMessage(_ notification: Notification) -> Void {
+//   print("networkDidReceiveMessage \(notification)")
+//   let userInfo = notification.userInfo
+//   NotificationCenter.default.post(name: .init("J_CUSTOM_NOTIFICATION_EVENT"), object: userInfo)
+// }
 
 //************************************************JPush end************************************************