日期	单位净值
2021-05-28	1.2963
2021-05-21	1.2867
2021-05-20	1.2857
2021-05-14	1.2869
2021-05-07	1.2861
2021-04-30	1.2882
2021-04-23	1.2923
2021-04-20	1.2974
2021-04-16	1.2946
2021-04-09	1.2987
2021-04-02	1.3028
2021-03-26	1.2912
2021-03-19	1.2892
2021-03-12	1.2933
2021-03-05	1.2905
2021-02-26	1.2818