日期	单位净值
2021-08-20	0.4785
2021-08-13	0.4790
2021-08-06	0.4795
2021-07-30	0.4800
2021-07-23	0.4805
2021-07-16	0.4811
2021-07-09	0.4816
2021-07-02	0.4821
2021-06-25	0.4826
2021-06-18	0.4831
2021-06-11	0.4836
2021-06-04	0.4842
2021-05-28	0.4847
2021-05-21	0.4852
2021-05-14	0.4857
2021-05-07	0.4862