这几个接口如果是数据没有准备好的情况下也会正常返回，但返回都是0： {"base_resp":{"err_msg":"ok","ret":0},"summary":{"click_count":0,"click_rate":0,"ecpm":0,"exposure_count":0,"exposure_rate":0,"income":0,"req_succ_count":0},"total_num":0}

如果未准备好的情况下，能够跟数据助手一样返回友好提示？如： {"base_resp":{"err_msg":"data is not reday","ret":-1}}