日期	单位净值
2021-05-20	1.0493
2021-05-14	1.0510
2021-05-07	1.0503
2021-04-30	1.0521
2021-04-23	1.0532
2021-04-20	1.0572
2021-04-16	1.0557
2021-04-09	1.0590
2021-04-02	1.0614
2021-03-26	1.0530
2021-03-19	1.0523
2021-03-12	1.0555
2021-03-05	1.0534
2021-02-26	1.0465
2021-02-19	1.0591
2021-02-10	1.0406