Don't give up if your dog doesn't get it right away. Just keep practicing and be patient.
A spray deterrent can be an effective way to discourage your dog from jumping up on furniture.
You can also train your dog to stay off furniture using positive reinforcement.
You can discourage your dog from jumping up by ignoring them when they do it, or by giving them a firm "no".
It is important to be consistent with your training methods.
It takes time and patience to train your dog to stay off furniture.
Training your dog should be a fun experience for both of you.