日期	单位净值
2021-05-28	1.2900
2021-05-21	1.2794
2021-05-20	1.2784
2021-05-14	1.2805
2021-05-07	1.2797
2021-04-30	1.2819
2021-04-23	1.2860
2021-04-20	1.2901
2021-04-16	1.2883
2021-04-09	1.2924
2021-04-02	1.2955
2021-03-26	1.2850
2021-03-19	1.2822
2021-03-12	1.2863
2021-03-05	1.2825
2021-02-26	1.2739