日期	单位净值
2021-05-21	0.6408
2021-05-14	0.6629
2021-05-07	0.6646
2021-04-30	0.6648
2021-04-23	0.6676
2021-04-16	0.5739
2021-04-09	0.5751
2021-04-02	0.5774
2021-03-26	0.5753
2021-03-19	0.5732
2021-03-12	0.4499
2021-03-05	0.4505
2021-02-26	0.4495
2021-02-19	0.4492
2021-02-10	0.4320
2021-02-05	0.4342