日期	单位净值
2021-05-20	1.2853
2021-05-14	1.2875
2021-05-07	1.2867
2021-04-30	1.2878
2021-04-23	1.2920
2021-04-20	1.2971
2021-04-16	1.2952
2021-04-09	1.2993
2021-04-02	1.3025
2021-03-26	1.2919
2021-03-19	1.2882
2021-03-12	1.2933
2021-03-05	1.2896
2021-02-26	1.2809
2021-02-19	1.2969
2021-02-10	1.2735