Ruiyuan Fund can't access the account because the information provided by the user during real-name authentication is incorrect or the user fails to re-record and upload the corresponding documents in time. According to relevant public information, Ruiyuan Fund is a diversified investment fund managed by China Investment Ruiyuan, the largest Internet wealth management company in China. If Ruiyuan Fund is not allowed to access the account, it should check the problem in time or contact customer service to solve it.