日期	单位净值
2021-05-20	1.2751
2021-05-14	1.2772
2021-05-07	1.2764
2021-04-30	1.2785
2021-04-23	1.2826
2021-04-20	1.2876
2021-04-16	1.2847
2021-04-09	1.2888
2021-04-02	1.2919
2021-03-26	1.2814
2021-03-19	1.2801
2021-03-12	1.2842
2021-03-05	1.2805
2021-02-26	1.2729
2021-02-19	1.2887
2021-02-10	1.2655