通知操作涉及一个BroadcastReceiver来接收用户的操作，如果BroadcastReceiver注册不正确，则会出现错误。下面是修改错误的步骤：

1. 确保在Android Manifest文件中注册了BroadcastReceiver，并以正确的方式注册；

2. 在代码中实例化BroadcastReceiver，并注册它；

   MyBroadcastReceiver receiver = new MyBroadcastReceiver();
   IntentFilter filter = new IntentFilter(MyBroadcastReceiver.ACTION);
   registerReceiver(receiver, filter);
   

3. 在BroadcastReceiver类中实现onReceive方法，并处理用户的操作；

   public class MyBroadcastReceiver extends BroadcastReceiver {
       public static final String ACTION = "com.example.myapplication.ACTION";
     
       @Override
       public void onReceive(Context context, Intent intent) {
           String action = intent.getAction();
           if (ACTION.equals(action)) {
               // 处理用户操作
           }
       }
   }
   

4. 在NotificationCompat.Builder中添加操作，并设置PendingIntent；

   NotificationCompat.Builder builder = new NotificationCompat.Builder(this)
           .setContentTitle("My Notification")
           .setContentText("This is a notification.")
           .setSmallIcon(R.drawable.ic_notification)
           .addAction(R.drawable.ic_action, "Action", getPendingIntent())
           .setAutoCancel(true);
   

5. 实现getPendingIntent方法，它将创建一个用于BroadcastReceiver的PendingIntent；

   private PendingIntent getPendingIntent() {
       Intent intent = new Intent(MyBroadcastReceiver.ACTION);
       return PendingIntent.getBroadcast(this, 0, intent, 0);
   }
   

注意，该示例假定BroadcastReceiver名称为MyBroadcastReceiver，而操作名称为ACTION。确保将这些值替换为您的实际值。

如果按照上述步骤操作，应该就可以成功实现通知操作。