日期	单位净值
2021-05-21	1.2839
2021-05-20	1.2830
2021-05-14	1.2841
2021-05-07	1.2833
2021-04-30	1.2855
2021-04-23	1.2896
2021-04-20	1.2947
2021-04-16	1.2919
2021-04-09	1.2960
2021-04-02	1.3001
2021-03-26	1.2885
2021-03-19	1.2879
2021-03-12	1.2920
2021-03-05	1.2892
2021-02-26	1.2805
2021-02-19	1.2965