日期	单位净值
2021-05-28	1.0565
2021-05-21	1.0486
2021-05-20	1.0486
2021-05-14	1.0495
2021-05-07	1.0489
2021-04-30	1.0506
2021-04-23	1.0541
2021-04-20	1.0577
2021-04-16	1.0555
2021-04-09	1.0588
2021-04-02	1.0613
2021-03-26	1.0528
2021-03-19	1.0521
2021-03-12	1.0554
2021-03-05	1.0532
2021-02-26	1.0463