The failure of the other party to sign does not affect the validity of the judgment. As long as the other party does not appeal within 15 days after the judgment is issued, the judgment will take effect. According to the provisions of Article 86 of the Civil Procedure Law, if the addressee or his adult family members who live together refuse to receive the litigation documents, the addressee may invite representatives of relevant grass-roots organizations or units to be present to explain the situation, record the reasons and date of refusal on the service receipt, and leave the litigation documents at the addressee's residence, which shall be signed or sealed by the addressee and witnesses; You can also leave the litigation documents at the addressee's residence and record the delivery process by taking photos, videos, etc. , that is, as delivery. Article 86 of the Civil Procedure Law: If the addressee or his adult family members who live together refuse to accept the litigation documents, the addressee may invite the representatives of relevant grass-roots organizations or units to be present to explain the situation, record the reasons and date of refusal on the service receipt, and leave the litigation documents at the addressee's residence, which shall be signed or sealed by the addressee and witnesses; You can also leave the litigation documents at the addressee's residence and record the delivery process by taking photos, videos, etc. , that is, as delivery.