docs: public Object process(Object... params) throws APPErrorException {
          String command = (String) params[0];
          Object[] param = Arrays.copyOfRange(params, 1, params.length);
          Command comm = mCommands.get(command);
          if (null == comm) {
              throw new APPErrorException(mType + " 无法识别的命令；" + command);
          }
          return comm.excute(param);
  
      }