日期	单位净值
2021-05-20	1.2905
2021-05-14	1.2916
2021-05-07	1.2908
2021-04-30	1.2930
2021-04-23	1.2971
2021-04-20	1.3022
2021-04-16	1.2994
2021-04-09	1.3035
2021-04-02	1.3076
2021-03-26	1.2960
2021-03-19	1.2936
2021-03-12	1.2977
2021-03-05	1.2949
2021-02-26	1.2862
2021-02-19	1.3022
2021-02-10	1.2788