返回： {“ref_date”:“20191124”,“visit_uv_new”:{“province”:[],“city”:[],“genders”:[],“platforms”:[],“devices”:[],“ages”:[]},“visit_uv”:{“province”:[],“city”:[],“genders”:[],“platforms”:[],“devices”:[],“ages”:[]}}

{“ref_date”:“20191118-20191124”,“visit_uv_new”:{“province”:[],“city”:[],“genders”:[],“platforms”:[],“devices”:[],“ages”:[]},“visit_uv”:{“province”:[],“city”:[],“genders”:[],“platforms”:[],“devices”:[],“ages”:[]}}