日期	单位净值
2021-05-20	1.1504
2021-05-14	1.1535
2021-05-07	1.1702
2021-04-30	1.1443
2021-04-23	1.1209
2021-04-16	1.1235
2021-04-09	1.1322
2021-04-02	1.1116
2021-03-26	1.0571
2021-03-19	1.0714
2021-03-12	1.0586
2021-03-05	1.0294
2021-02-26	1.0429
2021-02-19	1.0575
2021-02-10	0.9992
2021-02-05	0.9879