日期	单位净值
2021-05-20	1.2829
2021-05-14	1.2850
2021-05-07	1.2842
2021-04-30	1.2854
2021-04-23	1.2896
2021-04-20	1.2946
2021-04-16	1.2917
2021-04-09	1.2958
2021-04-02	1.2999
2021-03-26	1.2884
2021-03-19	1.2866
2021-03-12	1.2907
2021-03-05	1.2879
2021-02-26	1.2793
2021-02-19	1.2952
2021-02-10	1.2718