The business license should be signed, but it shows that it is not signed. Do you want to contact the customer service of the platform or ask the issuing authority? It is possible that there are other problems with the system or data, so it cannot be submitted and the signature is not displayed. Now the registered company is electronic all the time. After the information is filled in, all personnel sign the company name and scope, and the industry and commerce will review it again. The signature can be downloaded with the application of Citizen Cloud app or signed directly on the website. After all signatures are signed, the backstage will automatically review and approve. If it is returned for modification, it shall be submitted as prompted, and all personnel shall cooperate to sign it.