日期	单位净值
2021-05-28	0.9873
2021-05-21	0.9748
2021-05-14	0.9749
2021-05-07	0.9735
2021-04-30	0.9781
2021-04-23	0.9763
2021-04-16	0.9729
2021-04-09	0.9741
2021-04-02	0.9768
2021-03-26	0.9683
2021-03-19	0.9774
2021-03-12	0.9867
2021-03-05	0.9818
2021-02-26	1.0080
2021-02-19	1.0398
2021-02-10	1.0430