日期	单位净值
2021-05-21	1.0559
2021-05-20	1.0551
2021-05-14	1.0568
2021-05-07	1.0562
2021-04-30	1.0571
2021-04-23	1.0604
2021-04-20	1.0644
2021-04-16	1.0630
2021-04-09	1.0663
2021-04-02	1.0688
2021-03-26	1.0603
2021-03-19	1.0592
2021-03-12	1.0625
2021-03-05	1.0602
2021-02-26	1.0533
2021-02-19	1.0661