private int readFromLocal(String accPath) {
    // isAlreadyReadLocal = true;
    String path = accPath + LOCAL_CONFIG_FILENAME;
    if (!FileOperation.fileExists(path)) {

      readConfig();
      return -1;
    }
    byte[] buf = FileOperation.readFromFileV2(path, 0, -1);
    if (Util.isNullOrNil(buf)) {

      readConfig();
      return -2;
    }
    String info = new String(buf);
    if (Util.isNullOrNil(info)) {

      readConfig();
      return -3;
    }
    Log.d(TAG, "readFromLocal info " + info);
    cfgStg.set(ConstantsStorage.USERINFO_SERVER_CONFIG_INFO, info);
    isAlreadyReadLocal = true;

    super.doNotify(info);
    return 0;
  }
  public int saveConfigInfo(String info) {
    Log.d(TAG, "dkconf info:[%s] ", info);
    if (isAlreadyReadLocal) {
      return 0;
    }
    cfgStg.set(ConstantsStorage.USERINFO_SERVER_CONFIG_INFO, info);
    infoCache = null;

    super.doNotify(info);
    return 0;
  }