code: public static void forceOverride(String confFile) {
          File file = new File(confFile);
          try(InputStream in = new FileInputStream(file)){
              LOGGER.info("使用配置文件 "+file.getAbsolutePath()+" 强制覆盖默认配置");
              loadConf(in);
          } catch (Exception ex) {
              LOGGER.error("强制覆盖默认配置失败：", ex);
          }
          int i=1;
          for(String key : conf.keySet()){
              LOGGER.info((i++)+"、"+key+"="+conf.get(key));
          }
      }
docs: 强制覆盖默认配置
  @param confFile 配置文件路径