Legal analysis: It depends. I. If the proxy signature is valid for me upon my authorization, I shall bear the consequences of the legal relationship confirmed by the signature; Two, without my authorization, the signature is invalid to me, and the legal responsibility of the signature shall be borne by the person who has no right to sign. If the supervisor thinks that the project construction does not meet the engineering design requirements, construction technical standards and contract stipulations, he has the right to ask the construction enterprise to correct it.

Legal basis: Article 162 of the General Principles of the Civil Law of People's Republic of China (PRC) * * * The civil legal acts carried out by the agent in the name of the principal within the scope of agency authority shall be effective for the principal.