springmvc返回字符串乱码

@ResponseBody
    @RequestMapping(value="webserviceDemo1", produces = "text/html; charset=utf-8")
    public String webserviceDemo1(){
        WeatherServiceService factory=new WeatherServiceService();
        WeatherService service=factory.getWeatherServicePort();
        String result=service.getWeatherByCityname("厦门");
        return result;
    }