日期	单位净值
2021-05-28	1.2947
2021-05-21	1.2851
2021-05-20	1.2841
2021-05-14	1.2853
2021-05-07	1.2845
2021-04-30	1.2866
2021-04-23	1.2908
2021-04-20	1.2958
2021-04-16	1.2929
2021-04-09	1.2970
2021-04-02	1.3012
2021-03-26	1.2896
2021-03-19	1.2892
2021-03-12	1.2933
2021-03-05	1.2905
2021-02-26	1.2819