日期	单位净值
2021-05-21	0.9820
2021-05-20	0.9838
2021-05-14	0.9627
2021-05-07	0.9401
2021-04-30	0.9575
2021-04-23	0.9583
2021-04-20	0.9556
2021-04-16	0.9365
2021-04-09	0.9415
2021-04-02	0.9439
2021-03-26	0.9429
2021-03-19	0.9283
2021-03-12	0.9322
2021-03-05	0.9520
2021-02-26	0.9508
2021-02-19	0.9990