1. 
2. 
3. 
4. @Override

public void getContentByCategoryId(int categoryId) {
    for (ICategoryPagerCallback callback : mCallbacks) {
        if (callback.getCategoryId() == categoryId) {
            callback.onLoading();
        }
    }
    Integer targetPage = pagesInfo.get(categoryId);
    if (targetPage == null) {
        targetPage = DEFAULT_PAGE;
        pagesInfo.put(categoryId, targetPage);
    }
    Call<HomePagerContent> task = createTask(categoryId, targetPage);
    task.enqueue(new Callback<HomePagerContent>() {
        @Override
        public void onResponse(Call<HomePagerContent> call, Response<HomePagerContent> response) {
            int code = response.code();
            LogUtils.e(CategoryPagePresenterImpl.this, "CODE -->" + code);
            if (code == HttpURLConnection.HTTP_OK) {
                HomePagerContent pagerContent = response.body();
                //这里把请求的数据打印出来
                LogUtils.e(CategoryPagePresenterImpl.this, "pagerContent -->" + pagerContent);
                LogUtils.e(CategoryPagePresenterImpl.this, "getPictUrl -->" + pagerContent.getData().get(0).getPictUrl());
                LogUtils.e(CategoryPagePresenterImpl.this, "getTitle -->" + pagerContent.getData().get(0).getTitle());
                //////////////////
               handleHomePagerContentResult(pagerContent, categoryId);
            } else {
                handleNetworkError(categoryId);
            }
        }

        @Override
        public void onFailure(Call<HomePagerContent> call, Throwable t) {
            LogUtils.e(CategoryPagePresenterImpl.this, "onFailure");
            handleNetworkError(categoryId);
        }
    });
}

下面是请求的数据日志

这是我请求有问题还是后台的数据本来就是空的？