日期	单位净值
2021-05-28	1.2922
2021-05-21	1.2825
2021-05-20	1.2816
2021-05-14	1.2827
2021-05-07	1.2819
2021-04-30	1.2841
2021-04-23	1.2882
2021-04-20	1.2933
2021-04-16	1.2904
2021-04-09	1.2945
2021-04-02	1.2977
2021-03-26	1.2871
2021-03-19	1.2856
2021-03-12	1.2897
2021-03-05	1.2870
2021-02-26	1.2783