@RequestMapping({"/nextStep"})
	public String nextStep(HttpServletRequest request, HttpServletResponse response, ModelAndView modelAndView, 
			@RequestParam(required=false, defaultValue="001001010") String stage, 
			@RequestParam(required=false, defaultValue="1") String step) throws Exception  {
	    
		ModelMap modelMap = modelAndView.getModelMap();
	    
	    HashMap<String, String> param = new HashMap();
	    
	    param.put("stage", stage);
	    param.put("step", step);
	    
	    List<WordsVO> list = this.wordService.getWords(param);
	    

	    WebUtils.setSessionAttribute(request, "WORDS_LIST", list);
	    WebUtils.setSessionAttribute(request, "EXAMPLE_LIST", list);
	    
	    modelMap.addAttribute("stage", stage);
	    modelMap.addAttribute("step", step);
	    
	    modelAndView.setViewName("forward:/word/next");
	    
	    return "forward:/word/next.do";
	}