修正配置controller的消息重定向后无法传至前台的问题，使用model的模式改为redirectAttributes模式

src/main/java/com/nis/web/controller/configuration/manipulation/DdosCfgController.java

@@ -53,14 +53,14 @@ public class DdosCfgController extends BaseController {
 	@RequestMapping(value = {"/saveOrUpdate"})
 	@RequiresPermissions(value={"ddos:ip:config"})
 	public String saveOrUpdate(Model model,HttpServletRequest request,HttpServletResponse response,
-			@ModelAttribute("cfg")DdosIpCfg cfg){
+			@ModelAttribute("cfg")DdosIpCfg cfg, RedirectAttributes redirectAttributes){
 		try{
 			ddosCfgService.saveOrUpdate(cfg);
-			addMessage(model,"save_success");
+			addMessage(redirectAttributes,"save_success");
 		}catch(Exception e){
 			logger.error("信息保存失败",e);
 			e.printStackTrace();
-			addMessage(model,"save_failed");
+			addMessage(redirectAttributes,"save_failed");
 		}
 		
 		return "redirect:" + adminPath +"/manipulation/ddos/list?functionId="+cfg.getFunctionId();