The reason is that the signature in the request in the file you edited is inconsistent with your electronic number. After editing all the files, save them. After all files are saved, synchronize the File List in the request, and then save the request. The first thing to confirm is that no matter the unit or individual in your application documents, you must accurately correspond to the unit or individual in the electronic registration code, and you can't make a mistake before signing. Check the format when signing.

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.