日期	单位净值
2021-05-21	1.3815
2021-05-14	1.3835
2021-05-07	1.3708
2021-04-30	1.3738
2021-04-23	1.3787
2021-04-16	1.3792
2021-04-09	1.3841
2021-04-02	1.3832
2021-03-26	1.3735
2021-03-19	1.3706
2021-03-12	1.3707
2021-03-05	1.3688
2021-02-26	1.3552
2021-02-19	1.3737
2021-02-10	1.3408
2021-02-05	1.3331