日期	单位净值
2021-05-21	1.2842
2021-05-20	1.2833
2021-05-14	1.2854
2021-05-07	1.2846
2021-04-30	1.2858
2021-04-23	1.2899
2021-04-20	1.2949
2021-04-16	1.2930
2021-04-09	1.2971
2021-04-02	1.3003
2021-03-26	1.2896
2021-03-19	1.2891
2021-03-12	1.2932
2021-03-05	1.2894
2021-02-26	1.2807
2021-02-19	1.2967