日期	单位净值
2021-05-28	1.2909
2021-05-21	1.2803
2021-05-20	1.2803
2021-05-14	1.2814
2021-05-07	1.2806
2021-04-30	1.2828
2021-04-23	1.2869
2021-04-20	1.2919
2021-04-16	1.2891
2021-04-09	1.2932
2021-04-02	1.2963
2021-03-26	1.2858
2021-03-19	1.2846
2021-03-12	1.2888
2021-03-05	1.2850
2021-02-26	1.2774