日期	单位净值
2021-05-28	1.2961
2021-05-21	1.2864
2021-05-20	1.2855
2021-05-14	1.2866
2021-05-07	1.2858
2021-04-30	1.2880
2021-04-23	1.2921
2021-04-20	1.2974
2021-04-16	1.2948
2021-04-09	1.2987
2021-04-02	1.3026
2021-03-26	1.2916
2021-03-19	1.2900
2021-03-12	1.2941
2021-03-05	1.2914
2021-02-26	1.2827