日期	单位净值
2021-05-28	1.2937
2021-05-21	1.2831
2021-05-20	1.2821
2021-05-14	1.2843
2021-05-07	1.2835
2021-04-30	1.2846
2021-04-23	1.2887
2021-04-20	1.2937
2021-04-16	1.2919
2021-04-09	1.2960
2021-04-02	1.2991
2021-03-26	1.2885
2021-03-19	1.2875
2021-03-12	1.2916
2021-03-05	1.2879
2021-02-26	1.2802