Legal analysis: Just put "Dai" in brackets after signing. Power of attorney is a kind of legal document that the client needs to issue when entrusting others to exercise certain rights and interests on his behalf. The power of attorney shall specify the agent's name, agency matters, authority and time limit, and shall be signed or sealed by the principal.

Legal basis: Article 165 of the Civil Code of People's Republic of China (PRC) * * * If the power of attorney is in written form, the power of attorney shall specify the agent's name, agency matters, authority and time limit, and shall be signed or sealed by the client.