流量统计-统计页面 修改服务接口异常时提示的错误信息

src/main/java/com/nis/web/controller/dashboard/ConfigStatisticsController.java

@@ -133,6 +133,7 @@ public class ConfigStatisticsController extends BaseController {
 		} catch (Exception e) {
 			e.printStackTrace();
 			logger.error("带宽详情数据获取错误"+e);
+			map.put("error","request_service_failed");
 			LogUtils.saveLog(request, null, e, null);
 		}
 		return map;