You can only shake the number, and you can't leave without shaking it. If Hong Kong and Macao pass the deadline, they can renew it. I must hold my ID card and valid travel permit to and from Hong Kong and Macao, or I can do it on my behalf. The agent needs to carry an ID card. (Different cities may have special regulations on signing, please consult the entry-exit administration office where your household registration is located. )