No need. The project contract is jointly signed by the contractor and the subcontractor, and only the shareholders need to confirm and agree, without the signature of the shareholders' spouses. A construction contract is a construction and installation project contract (hereinafter referred to as the project contract). The main purpose of signing the contract is to clarify the responsibilities, divide the work and cooperate, and complete the design tasks of the construction project. The signing of a construction contract must be based on the implementation of relevant legal examination and approval procedures.