You can't apply for divorce online. Both men and women who divorce by agreement must apply for divorce registration in person at the marriage registration office; Divorce proceedings shall be brought to the people's court.
Legal objectivity:
Article 1076 of the Civil Code of People's Republic of China (PRC) * * * If both husband and wife divorce voluntarily, they shall sign a written divorce agreement and apply for divorce registration in the marriage registration office in person. The divorce agreement shall specify the expression of willingness of both parties to divorce and the consensus on matters such as child support, property and debt disposal. Article 1078 of the Civil Code of People's Republic of China (PRC) * * * If the marriage registration authority finds out that the two parties are really divorced voluntarily and reach an agreement on matters such as child support, property and debt handling, it shall register and issue a divorce certificate.