Hello, the enterprise nail administrator can directly search for "e-sign treasure" in the nail mobile phone work application market, open the micro-application, set the visible range of the micro-application, complete the real-name authentication of the enterprise, and then sign an electronic contract with the electronic official seal. As for why to complete the real-name certification of enterprises? Mainly because of the legal effect of electronic contract, an effective electronic contract needs to meet four requirements: true identity, true will, unchanged original text and unchanged signature, so completing real-name authentication is a key step.