SpringBoot POST请求接收多个参数值为null问题

      $.ajax({
                            url: "login4",
                            param: JSON.stringify({
                                "name": "name",
                                "age": 10
                            }),
                            type: "post",
                            dataType: "json",
                            success: function (data) {
                            },
                            error: function (data) {
                            }
                        });

    @PostMapping("login4")
    public void login4(String name, Integer age){
        System.out.println("login3");
        System.out.println(name + " -- " + age);
    }

    @RequestMapping("/saveGrAuditLog")
    public void auditUploads(@RequestBody AuditRequestEntity auditRequestEntity, HttpServletRequest request){
        WriteLogParam writeLogParam = new WriteLogParam();
        writeLogParam.setNote(auditRequestEntity.getNote());
        writeLogParam.setOpterationType(auditRequestEntity.getOpterationType());
        writeLogParam.setOptName(auditRequestEntity.getOptName());
        writeLogParam.setResourceId(auditRequestEntity.getResourceId());
        writeLogParam.setResourceName(auditRequestEntity.getResourceName());
        log.info("******params >> "+ JSONUtil.toJsonStr(writeLogParam));
        AuditLogRequestTwo.addAuditNew(request,auditRequestEntity.getParams(),auditRequestEntity.getOptUrl(),auditRequestEntity.getResult(),writeLogParam);
    }