SpringMVC4.0.3 @ResponseBody JSON 中文乱码问题

@RequestMapping(value="listUserJson.html",produces="text/html;charset=UTF-8")
    @ResponseBody
    public String listUserJson(int page,int rows){
        TreeMap<String, Object> map = new TreeMap<>();
        map.put("rows", service.listXPUser(page, rows));
        map.put("total", service.listXPUserTotal());
        return JSON.toJSONString(map);
    }

$.ajax({
                type: "post",
                    url: "/pay/yilian/queryPayResult.do",
                   dataType: "json", 
                   contentType: "application/x-www-form-urlencoded; charset=utf-8", 
                data:{
                    rechargeCode:$("#rechargeCode").val()
                    },
                async: false,
                success: function(data){
                    if(data.status == 1){
                        //console.dir("拿到结果了，成功跳转");
                    }
                }
            }); //ajax end!