@Override
    protected void onFailure(TaskException exception) {
      super.onFailure(exception);

      // 如果界面没有被销毁,就加载
      if (getActivity() != null) {
        BaseActivity baseActivity = (BaseActivity) getActivity();
        if (!baseActivity.mIsDestoryed()) {
          new FriendshipTask().execute();
        }
      }
    }
    @Override
    protected void onFailure(TaskException exception) {
      super.onFailure(exception);

      showMessage(R.string.profile_edit_group_faild);
    }