在将Principal手动添加到SecurityContext时，不会将用户添加到SessionRegistry.您需要手动将用户会话添加到SessionRegistry.

As you are manually adding Principal to SecurityContext, it will not add user to SessionRegistry. You need to add user session to SessionRegistry manually.

SecurityContextHolder.getContext().setAuthentication(auth);
sessionRegistry.registerNewSession(request.getSession().getId(), auth.getPrincipal());

希望有帮助！